diff --git a/arch/arm/boot/dts/am335x-bone-common.dtsi b/arch/arm/boot/dts/am335x-bone-common.dtsi
index 73b514dddf65..c59360804f56 100644
--- a/arch/arm/boot/dts/am335x-bone-common.dtsi
+++ b/arch/arm/boot/dts/am335x-bone-common.dtsi
@@ -148,6 +148,8 @@
 			/* MDIO */
 			AM33XX_IOPAD(0x948, PIN_INPUT_PULLUP | SLEWCTRL_FAST | MUX_MODE0)	/* mdio_data.mdio_data */
 			AM33XX_IOPAD(0x94c, PIN_OUTPUT_PULLUP | MUX_MODE0)			/* mdio_clk.mdio_clk */
+			/* Added to support GPIO controlled PHY reset */
+			AM33XX_IOPAD(0x968, PIN_OUTPUT_PULLUP | MUX_MODE7)
 		>;
 	};
 
@@ -156,6 +158,8 @@
 			/* MDIO reset value */
 			AM33XX_IOPAD(0x948, PIN_INPUT_PULLDOWN | MUX_MODE7)
 			AM33XX_IOPAD(0x94c, PIN_INPUT_PULLDOWN | MUX_MODE7)
+			/* Added to support GPIO controlled PHY reset */
+			AM33XX_IOPAD(0x968, PIN_INPUT_PULLDOWN | MUX_MODE7)
 		>;
 	};
 
@@ -379,7 +383,7 @@
 };
 
 &cpsw_emac0 {
-	phy_id = <&davinci_mdio>, <0>;
+	phy-handle = <&ethphy0>;
 	phy-mode = "mii";
 };
 
@@ -396,6 +400,14 @@
 	pinctrl-0 = <&davinci_mdio_default>;
 	pinctrl-1 = <&davinci_mdio_sleep>;
 	status = "okay";
+
+	ethphy0: ethernet-phy@0 {
+		reg = <0>;
+		/* Support GPIO reset on revision C3 boards */
+		reset-gpios = <&gpio1 8 GPIO_ACTIVE_LOW>;
+		reset-assert-us = <300>;
+		reset-deassert-us = <50000>;
+	};
 };
 
 &mmc1 {
diff --git a/arch/arm/boot/dts/at91sam9263ek.dts b/arch/arm/boot/dts/at91sam9263ek.dts
index 727096f24f7c..5df4d5f5d569 100644
--- a/arch/arm/boot/dts/at91sam9263ek.dts
+++ b/arch/arm/boot/dts/at91sam9263ek.dts
@@ -148,7 +148,7 @@
 				nand@3 {
 					reg = <0x3 0x0 0x800000>;
 					rb-gpios = <&pioA 22 GPIO_ACTIVE_HIGH>;
-					cs-gpios = <&pioA 15 GPIO_ACTIVE_HIGH>;
+					cs-gpios = <&pioD 15 GPIO_ACTIVE_HIGH>;
 					nand-bus-width = <8>;
 					nand-ecc-mode = "soft";
 					nand-on-flash-bbt;
diff --git a/arch/arm/boot/dts/qcom-apq8064.dtsi b/arch/arm/boot/dts/qcom-apq8064.dtsi
index 38c4a0c80063..42af5f37b3fe 100644
--- a/arch/arm/boot/dts/qcom-apq8064.dtsi
+++ b/arch/arm/boot/dts/qcom-apq8064.dtsi
@@ -205,12 +205,6 @@
 		};
 	};
 
-	sfpb_mutex: hwmutex {
-		compatible = "qcom,sfpb-mutex";
-		syscon = <&sfpb_wrapper_mutex 0x604 0x4>;
-		#hwlock-cells = <1>;
-	};
-
 	smem {
 		compatible = "qcom,smem";
 		memory-region = <&smem_region>;
@@ -353,9 +347,10 @@
 			pinctrl-0 = <&ps_hold>;
 		};
 
-		sfpb_wrapper_mutex: syscon@1200000 {
-			compatible = "syscon";
-			reg = <0x01200000 0x8000>;
+		sfpb_mutex: hwmutex@1200600 {
+			compatible = "qcom,sfpb-mutex";
+			reg = <0x01200600 0x100>;
+			#hwlock-cells = <1>;
 		};
 
 		intc: interrupt-controller@2000000 {
diff --git a/arch/arm/boot/dts/tegra114.dtsi b/arch/arm/boot/dts/tegra114.dtsi
index 0d7a6327e404..fe1ebc3c5aa8 100644
--- a/arch/arm/boot/dts/tegra114.dtsi
+++ b/arch/arm/boot/dts/tegra114.dtsi
@@ -123,7 +123,7 @@
 			reg = <0x54400000 0x00040000>;
 			clocks = <&tegra_car TEGRA114_CLK_DSIB>,
 				 <&tegra_car TEGRA114_CLK_DSIBLP>,
-				 <&tegra_car TEGRA114_CLK_PLL_D2_OUT0>;
+				 <&tegra_car TEGRA114_CLK_PLL_D_OUT0>;
 			clock-names = "dsi", "lp", "parent";
 			resets = <&tegra_car 82>;
 			reset-names = "dsi";
diff --git a/arch/arm/boot/dts/tny_a9263.dts b/arch/arm/boot/dts/tny_a9263.dts
index 7b403db4cd34..42508159a145 100644
--- a/arch/arm/boot/dts/tny_a9263.dts
+++ b/arch/arm/boot/dts/tny_a9263.dts
@@ -65,7 +65,7 @@
 				nand@3 {
 					reg = <0x3 0x0 0x800000>;
 					rb-gpios = <&pioA 22 GPIO_ACTIVE_HIGH>;
-					cs-gpios = <&pioA 15 GPIO_ACTIVE_HIGH>;
+					cs-gpios = <&pioD 15 GPIO_ACTIVE_HIGH>;
 					nand-bus-width = <8>;
 					nand-ecc-mode = "soft";
 					nand-on-flash-bbt;
diff --git a/arch/arm/boot/dts/usb_a9263.dts b/arch/arm/boot/dts/usb_a9263.dts
index 0a753b4c74e7..08903c8db182 100644
--- a/arch/arm/boot/dts/usb_a9263.dts
+++ b/arch/arm/boot/dts/usb_a9263.dts
@@ -59,7 +59,7 @@
 			};
 
 			spi0: spi@fffa4000 {
-				cs-gpios = <&pioB 15 GPIO_ACTIVE_HIGH>;
+				cs-gpios = <&pioA 5 GPIO_ACTIVE_LOW>;
 				status = "okay";
 				mtd_dataflash@0 {
 					compatible = "atmel,at45", "atmel,dataflash";
@@ -85,7 +85,7 @@
 				nand@3 {
 					reg = <0x3 0x0 0x800000>;
 					rb-gpios = <&pioA 22 GPIO_ACTIVE_HIGH>;
-					cs-gpios = <&pioA 15 GPIO_ACTIVE_HIGH>;
+					cs-gpios = <&pioD 15 GPIO_ACTIVE_HIGH>;
 					nand-bus-width = <8>;
 					nand-ecc-mode = "soft";
 					nand-on-flash-bbt;
diff --git a/arch/arm/mach-omap2/clockdomain.h b/arch/arm/mach-omap2/clockdomain.h
index c7d0953e4aa2..e847a2081c4e 100644
--- a/arch/arm/mach-omap2/clockdomain.h
+++ b/arch/arm/mach-omap2/clockdomain.h
@@ -51,6 +51,7 @@
 #define CLKDM_NO_AUTODEPS			(1 << 4)
 #define CLKDM_ACTIVE_WITH_MPU			(1 << 5)
 #define CLKDM_MISSING_IDLE_REPORTING		(1 << 6)
+#define CLKDM_STANDBY_FORCE_WAKEUP		BIT(7)
 
 #define CLKDM_CAN_HWSUP		(CLKDM_CAN_ENABLE_AUTO | CLKDM_CAN_DISABLE_AUTO)
 #define CLKDM_CAN_SWSUP		(CLKDM_CAN_FORCE_SLEEP | CLKDM_CAN_FORCE_WAKEUP)
diff --git a/arch/arm/mach-omap2/clockdomains33xx_data.c b/arch/arm/mach-omap2/clockdomains33xx_data.c
index 32c90fd9eba2..3303c41dcefe 100644
--- a/arch/arm/mach-omap2/clockdomains33xx_data.c
+++ b/arch/arm/mach-omap2/clockdomains33xx_data.c
@@ -27,7 +27,7 @@ static struct clockdomain l4ls_am33xx_clkdm = {
 	.pwrdm		= { .name = "per_pwrdm" },
 	.cm_inst	= AM33XX_CM_PER_MOD,
 	.clkdm_offs	= AM33XX_CM_PER_L4LS_CLKSTCTRL_OFFSET,
-	.flags		= CLKDM_CAN_SWSUP,
+	.flags		= CLKDM_CAN_SWSUP | CLKDM_STANDBY_FORCE_WAKEUP,
 };
 
 static struct clockdomain l3s_am33xx_clkdm = {
diff --git a/arch/arm/mach-omap2/cm33xx.c b/arch/arm/mach-omap2/cm33xx.c
index 084d454f6074..430a9de563a4 100644
--- a/arch/arm/mach-omap2/cm33xx.c
+++ b/arch/arm/mach-omap2/cm33xx.c
@@ -28,6 +28,9 @@
 #include "cm-regbits-34xx.h"
 #include "cm-regbits-33xx.h"
 #include "prm33xx.h"
+#if IS_ENABLED(CONFIG_SUSPEND)
+#include <linux/suspend.h>
+#endif
 
 /*
  * CLKCTRL_IDLEST_*: possible values for the CM_*_CLKCTRL.IDLEST bitfield:
@@ -336,8 +339,17 @@ static int am33xx_clkdm_clk_disable(struct clockdomain *clkdm)
 {
 	bool hwsup = false;
 
+#if IS_ENABLED(CONFIG_SUSPEND)
+	/*
+	 * In case of standby, Don't put the l4ls clk domain to sleep.
+	 * Since CM3 PM FW doesn't wake-up/enable the l4ls clk domain
+	 * upon wake-up, CM3 PM FW fails to wake-up th MPU.
+	 */
+	if (pm_suspend_target_state == PM_SUSPEND_STANDBY &&
+	    (clkdm->flags & CLKDM_STANDBY_FORCE_WAKEUP))
+		return 0;
+#endif
 	hwsup = am33xx_cm_is_clkdm_in_hwsup(clkdm->cm_inst, clkdm->clkdm_offs);
-
 	if (!hwsup && (clkdm->flags & CLKDM_CAN_FORCE_SLEEP))
 		am33xx_clkdm_sleep(clkdm);
 
diff --git a/arch/arm64/boot/dts/rockchip/rk3399-puma-haikou.dts b/arch/arm64/boot/dts/rockchip/rk3399-puma-haikou.dts
index ea990543d929..57a3881ca09c 100644
--- a/arch/arm64/boot/dts/rockchip/rk3399-puma-haikou.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3399-puma-haikou.dts
@@ -246,14 +246,6 @@
 	status = "okay";
 };
 
-&usb_host0_ehci {
-	status = "okay";
-};
-
-&usb_host0_ohci {
-	status = "okay";
-};
-
 &vopb {
 	status = "okay";
 };
diff --git a/arch/arm64/kernel/ptrace.c b/arch/arm64/kernel/ptrace.c
index 9579968e7222..906e405df3ec 100644
--- a/arch/arm64/kernel/ptrace.c
+++ b/arch/arm64/kernel/ptrace.c
@@ -150,7 +150,7 @@ unsigned long regs_get_kernel_stack_nth(struct pt_regs *regs, unsigned int n)
 
 	addr += n;
 	if (regs_within_kernel_stack(regs, (unsigned long)addr))
-		return *addr;
+		return READ_ONCE_NOCHECK(*addr);
 	else
 		return 0;
 }
diff --git a/arch/m68k/fpsp040/skeleton.S b/arch/m68k/fpsp040/skeleton.S
index 31a9c634c81e..081922c72daa 100644
--- a/arch/m68k/fpsp040/skeleton.S
+++ b/arch/m68k/fpsp040/skeleton.S
@@ -502,7 +502,8 @@ in_ea:
 	.section .fixup,"ax"
 	.even
 1:
-	jbra	fpsp040_die
+	jbsr	fpsp040_die
+	jbra	.Lnotkern
 
 	.section __ex_table,"a"
 	.align	4
diff --git a/arch/m68k/kernel/traps.c b/arch/m68k/kernel/traps.c
index 35f706d836c5..c6f18dc5884b 100644
--- a/arch/m68k/kernel/traps.c
+++ b/arch/m68k/kernel/traps.c
@@ -1155,7 +1155,7 @@ asmlinkage void set_esp0(unsigned long ssp)
  */
 asmlinkage void fpsp040_die(void)
 {
-	do_exit(SIGSEGV);
+	force_sigsegv(SIGSEGV, current);
 }
 
 #ifdef CONFIG_M68KFPU_EMU
diff --git a/arch/m68k/mac/config.c b/arch/m68k/mac/config.c
index a4f91bea6c88..c56a024d4b47 100644
--- a/arch/m68k/mac/config.c
+++ b/arch/m68k/mac/config.c
@@ -807,7 +807,7 @@ static void __init mac_identify(void)
 	}
 
 	macintosh_config = mac_data_table;
-	for (m = macintosh_config; m->ident != -1; m++) {
+	for (m = &mac_data_table[1]; m->ident != -1; m++) {
 		if (m->ident == model) {
 			macintosh_config = m;
 			break;
diff --git a/arch/mips/Makefile b/arch/mips/Makefile
index 8dc704958e01..4e32571b3f5e 100644
--- a/arch/mips/Makefile
+++ b/arch/mips/Makefile
@@ -106,7 +106,7 @@ endif
 # (specifically newer than 2.24.51.20140728) we then also need to explicitly
 # set ".set hardfloat" in all files which manipulate floating point registers.
 #
-ifneq ($(call as-option,-Wa$(comma)-msoft-float,),)
+ifneq ($(call cc-option,$(cflags-y) -Wa$(comma)-msoft-float,),)
 	cflags-y		+= -DGAS_HAS_SET_HARDFLOAT -Wa,-msoft-float
 endif
 
diff --git a/arch/mips/include/asm/ftrace.h b/arch/mips/include/asm/ftrace.h
index b463f2aa5a61..7acbe701afd6 100644
--- a/arch/mips/include/asm/ftrace.h
+++ b/arch/mips/include/asm/ftrace.h
@@ -87,4 +87,20 @@ struct dyn_arch_ftrace {
 #endif /*  CONFIG_DYNAMIC_FTRACE */
 #endif /* __ASSEMBLY__ */
 #endif /* CONFIG_FUNCTION_TRACER */
+
+#ifdef CONFIG_FTRACE_SYSCALLS
+#ifndef __ASSEMBLY__
+/*
+ * Some syscall entry functions on mips start with "__sys_" (fork and clone,
+ * for instance). We should also match the sys_ variant with those.
+ */
+#define ARCH_HAS_SYSCALL_MATCH_SYM_NAME
+static inline bool arch_syscall_match_sym_name(const char *sym,
+					       const char *name)
+{
+	return !strcmp(sym, name) ||
+		(!strncmp(sym, "__sys_", 6) && !strcmp(sym + 6, name + 4));
+}
+#endif /* __ASSEMBLY__ */
+#endif /* CONFIG_FTRACE_SYSCALLS */
 #endif /* _ASM_MIPS_FTRACE_H */
diff --git a/arch/mips/include/asm/ptrace.h b/arch/mips/include/asm/ptrace.h
index e45c082e1231..5241240ae0ab 100644
--- a/arch/mips/include/asm/ptrace.h
+++ b/arch/mips/include/asm/ptrace.h
@@ -70,7 +70,8 @@ static inline void instruction_pointer_set(struct pt_regs *regs,
 
 /* Query offset/name of register from its name/offset */
 extern int regs_query_register_offset(const char *name);
-#define MAX_REG_OFFSET (offsetof(struct pt_regs, __last))
+#define MAX_REG_OFFSET \
+	(offsetof(struct pt_regs, __last) - sizeof(unsigned long))
 
 /**
  * regs_get_register() - get register value from its offset
diff --git a/arch/mips/kernel/pm-cps.c b/arch/mips/kernel/pm-cps.c
index 55c3fbeb2df6..31ee073e62fd 100644
--- a/arch/mips/kernel/pm-cps.c
+++ b/arch/mips/kernel/pm-cps.c
@@ -60,10 +60,7 @@ static DEFINE_PER_CPU_ALIGNED(u32*, ready_count);
 /* Indicates online CPUs coupled with the current CPU */
 static DEFINE_PER_CPU_ALIGNED(cpumask_t, online_coupled);
 
-/*
- * Used to synchronize entry to deep idle states. Actually per-core rather
- * than per-CPU.
- */
+/* Used to synchronize entry to deep idle states */
 static DEFINE_PER_CPU_ALIGNED(atomic_t, pm_barrier);
 
 /* Saved CPU state across the CPS_PM_POWER_GATED state */
@@ -122,9 +119,10 @@ int cps_pm_enter_state(enum cps_pm_state state)
 	cps_nc_entry_fn entry;
 	struct core_boot_config *core_cfg;
 	struct vpe_boot_config *vpe_cfg;
+	atomic_t *barrier;
 
 	/* Check that there is an entry function for this state */
-	entry = per_cpu(nc_asm_enter, core)[state];
+	entry = per_cpu(nc_asm_enter, cpu)[state];
 	if (!entry)
 		return -EINVAL;
 
@@ -160,7 +158,7 @@ int cps_pm_enter_state(enum cps_pm_state state)
 	smp_mb__after_atomic();
 
 	/* Create a non-coherent mapping of the core ready_count */
-	core_ready_count = per_cpu(ready_count, core);
+	core_ready_count = per_cpu(ready_count, cpu);
 	nc_addr = kmap_noncoherent(virt_to_page(core_ready_count),
 				   (unsigned long)core_ready_count);
 	nc_addr += ((unsigned long)core_ready_count & ~PAGE_MASK);
@@ -168,7 +166,8 @@ int cps_pm_enter_state(enum cps_pm_state state)
 
 	/* Ensure ready_count is zero-initialised before the assembly runs */
 	WRITE_ONCE(*nc_core_ready_count, 0);
-	coupled_barrier(&per_cpu(pm_barrier, core), online);
+	barrier = &per_cpu(pm_barrier, cpumask_first(&cpu_sibling_map[cpu]));
+	coupled_barrier(barrier, online);
 
 	/* Run the generated entry code */
 	left = entry(online, nc_core_ready_count);
@@ -639,12 +638,14 @@ out_err:
 
 static int cps_pm_online_cpu(unsigned int cpu)
 {
-	enum cps_pm_state state;
-	unsigned core = cpu_core(&cpu_data[cpu]);
+	unsigned int sibling, core;
 	void *entry_fn, *core_rc;
+	enum cps_pm_state state;
+
+	core = cpu_core(&cpu_data[cpu]);
 
 	for (state = CPS_PM_NC_WAIT; state < CPS_PM_STATE_COUNT; state++) {
-		if (per_cpu(nc_asm_enter, core)[state])
+		if (per_cpu(nc_asm_enter, cpu)[state])
 			continue;
 		if (!test_bit(state, state_support))
 			continue;
@@ -656,16 +657,19 @@ static int cps_pm_online_cpu(unsigned int cpu)
 			clear_bit(state, state_support);
 		}
 
-		per_cpu(nc_asm_enter, core)[state] = entry_fn;
+		for_each_cpu(sibling, &cpu_sibling_map[cpu])
+			per_cpu(nc_asm_enter, sibling)[state] = entry_fn;
 	}
 
-	if (!per_cpu(ready_count, core)) {
+	if (!per_cpu(ready_count, cpu)) {
 		core_rc = kmalloc(sizeof(u32), GFP_KERNEL);
 		if (!core_rc) {
 			pr_err("Failed allocate core %u ready_count\n", core);
 			return -ENOMEM;
 		}
-		per_cpu(ready_count, core) = core_rc;
+
+		for_each_cpu(sibling, &cpu_sibling_map[cpu])
+			per_cpu(ready_count, sibling) = core_rc;
 	}
 
 	return 0;
diff --git a/arch/nios2/include/asm/pgtable.h b/arch/nios2/include/asm/pgtable.h
index db4f7d179220..6ecbcbd5c277 100644
--- a/arch/nios2/include/asm/pgtable.h
+++ b/arch/nios2/include/asm/pgtable.h
@@ -300,4 +300,20 @@ extern void __init mmu_init(void);
 extern void update_mmu_cache(struct vm_area_struct *vma,
 			     unsigned long address, pte_t *pte);
 
+static inline int pte_same(pte_t pte_a, pte_t pte_b);
+
+#define __HAVE_ARCH_PTEP_SET_ACCESS_FLAGS
+static inline int ptep_set_access_flags(struct vm_area_struct *vma,
+					unsigned long address, pte_t *ptep,
+					pte_t entry, int dirty)
+{
+	if (!pte_same(*ptep, entry))
+		set_ptes(vma->vm_mm, address, ptep, entry, 1);
+	/*
+	 * update_mmu_cache will unconditionally execute, handling both
+	 * the case that the PTE changed and the spurious fault case.
+	 */
+	return true;
+}
+
 #endif /* _ASM_NIOS2_PGTABLE_H */
diff --git a/arch/parisc/boot/compressed/Makefile b/arch/parisc/boot/compressed/Makefile
index 7d7e594bda36..d28ff7e835fa 100644
--- a/arch/parisc/boot/compressed/Makefile
+++ b/arch/parisc/boot/compressed/Makefile
@@ -19,6 +19,7 @@ KBUILD_CFLAGS += -fno-PIE -mno-space-regs -mdisable-fpregs -Os
 ifndef CONFIG_64BIT
 KBUILD_CFLAGS += -mfast-indirect-calls
 endif
+KBUILD_CFLAGS += -std=gnu11
 
 OBJECTS += $(obj)/head.o $(obj)/real2.o $(obj)/firmware.o $(obj)/misc.o $(obj)/piggy.o
 
diff --git a/arch/powerpc/kernel/eeh.c b/arch/powerpc/kernel/eeh.c
index 44bb522fb4a2..34685afdd9fb 100644
--- a/arch/powerpc/kernel/eeh.c
+++ b/arch/powerpc/kernel/eeh.c
@@ -1720,6 +1720,8 @@ int eeh_pe_configure(struct eeh_pe *pe)
 	/* Invalid PE ? */
 	if (!pe)
 		return -ENODEV;
+	else
+		ret = eeh_ops->configure_bridge(pe);
 
 	return ret;
 }
diff --git a/arch/powerpc/kernel/prom_init.c b/arch/powerpc/kernel/prom_init.c
index 7a92794309e3..4b505fb943a8 100644
--- a/arch/powerpc/kernel/prom_init.c
+++ b/arch/powerpc/kernel/prom_init.c
@@ -2792,11 +2792,11 @@ static void __init fixup_device_tree_pmac(void)
 	char type[8];
 	phandle node;
 
-	// Some pmacs are missing #size-cells on escc nodes
+	// Some pmacs are missing #size-cells on escc or i2s nodes
 	for (node = 0; prom_next_node(&node); ) {
 		type[0] = '\0';
 		prom_getprop(node, "device_type", type, sizeof(type));
-		if (prom_strcmp(type, "escc"))
+		if (prom_strcmp(type, "escc") && prom_strcmp(type, "i2s"))
 			continue;
 
 		if (prom_getproplen(node, "#size-cells") != PROM_ERROR)
diff --git a/arch/um/Makefile b/arch/um/Makefile
index 439edee0b287..be71c5368c90 100644
--- a/arch/um/Makefile
+++ b/arch/um/Makefile
@@ -146,6 +146,7 @@ CLEAN_FILES += linux x.i gmon.out
 archclean:
 	@find . \( -name '*.bb' -o -name '*.bbg' -o -name '*.da' \
 		-o -name '*.gcov' \) -type f -print | xargs rm -f
+	$(Q)$(MAKE) -f $(srctree)/Makefile ARCH=$(HEADER_ARCH) clean
 
 # Generated files
 
diff --git a/arch/um/kernel/mem.c b/arch/um/kernel/mem.c
index 3c0e470ea646..c730962907a8 100644
--- a/arch/um/kernel/mem.c
+++ b/arch/um/kernel/mem.c
@@ -48,6 +48,7 @@ void __init mem_init(void)
 	map_memory(brk_end, __pa(brk_end), uml_reserved - brk_end, 1, 1, 0);
 	free_bootmem(__pa(brk_end), uml_reserved - brk_end);
 	uml_reserved = brk_end;
+	min_low_pfn = PFN_UP(__pa(uml_reserved));
 
 	/* this will put all low memory onto the freelists */
 	free_all_bootmem();
diff --git a/arch/x86/boot/compressed/Makefile b/arch/x86/boot/compressed/Makefile
index 23b6e2da72bf..1b4c29c6136c 100644
--- a/arch/x86/boot/compressed/Makefile
+++ b/arch/x86/boot/compressed/Makefile
@@ -39,7 +39,7 @@ KBUILD_CFLAGS += $(call cc-disable-warning, address-of-packed-member)
 KBUILD_CFLAGS += $(call cc-disable-warning, gnu)
 KBUILD_CFLAGS += -Wno-pointer-sign
 # Disable relocation relaxation in case the link is not PIE.
-KBUILD_CFLAGS += $(call as-option,-Wa$(comma)-mrelax-relocations=no)
+KBUILD_CFLAGS += $(call cc-option,-Wa$(comma)-mrelax-relocations=no)
 
 KBUILD_AFLAGS  := $(KBUILD_CFLAGS) -D__ASSEMBLY__
 GCOV_PROFILE := n
diff --git a/arch/x86/include/asm/nmi.h b/arch/x86/include/asm/nmi.h
index 9d5d949e662e..dfb483c8c98b 100644
--- a/arch/x86/include/asm/nmi.h
+++ b/arch/x86/include/asm/nmi.h
@@ -59,6 +59,8 @@ int __register_nmi_handler(unsigned int, struct nmiaction *);
 
 void unregister_nmi_handler(unsigned int, const char *);
 
+void set_emergency_nmi_handler(unsigned int type, nmi_handler_t handler);
+
 void stop_nmi(void);
 void restart_nmi(void);
 void local_touch_nmi(void);
diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c
index 86c88ecbb092..84c5c736e572 100644
--- a/arch/x86/kernel/cpu/common.c
+++ b/arch/x86/kernel/cpu/common.c
@@ -870,17 +870,18 @@ void get_cpu_cap(struct cpuinfo_x86 *c)
 		c->x86_capability[CPUID_D_1_EAX] = eax;
 	}
 
-	/* AMD-defined flags: level 0x80000001 */
+	/*
+	 * Check if extended CPUID leaves are implemented: Max extended
+	 * CPUID leaf must be in the 0x80000001-0x8000ffff range.
+	 */
 	eax = cpuid_eax(0x80000000);
-	c->extended_cpuid_level = eax;
+	c->extended_cpuid_level = ((eax & 0xffff0000) == 0x80000000) ? eax : 0;
 
-	if ((eax & 0xffff0000) == 0x80000000) {
-		if (eax >= 0x80000001) {
-			cpuid(0x80000001, &eax, &ebx, &ecx, &edx);
+	if (c->extended_cpuid_level >= 0x80000001) {
+		cpuid(0x80000001, &eax, &ebx, &ecx, &edx);
 
-			c->x86_capability[CPUID_8000_0001_ECX] = ecx;
-			c->x86_capability[CPUID_8000_0001_EDX] = edx;
-		}
+		c->x86_capability[CPUID_8000_0001_ECX] = ecx;
+		c->x86_capability[CPUID_8000_0001_EDX] = edx;
 	}
 
 	if (c->extended_cpuid_level >= 0x80000007) {
diff --git a/arch/x86/kernel/cpu/mtrr/generic.c b/arch/x86/kernel/cpu/mtrr/generic.c
index 9436f3452049..de68be0bc2af 100644
--- a/arch/x86/kernel/cpu/mtrr/generic.c
+++ b/arch/x86/kernel/cpu/mtrr/generic.c
@@ -349,7 +349,7 @@ static void get_fixed_ranges(mtrr_type *frs)
 
 void mtrr_save_fixed_ranges(void *info)
 {
-	if (boot_cpu_has(X86_FEATURE_MTRR))
+	if (mtrr_state.have_fixed)
 		get_fixed_ranges(mtrr_state.fixed_ranges);
 }
 
diff --git a/arch/x86/kernel/nmi.c b/arch/x86/kernel/nmi.c
index 996eb53f8eb7..563188568b97 100644
--- a/arch/x86/kernel/nmi.c
+++ b/arch/x86/kernel/nmi.c
@@ -39,8 +39,12 @@
 #define CREATE_TRACE_POINTS
 #include <trace/events/nmi.h>
 
+/*
+ * An emergency handler can be set in any context including NMI
+ */
 struct nmi_desc {
 	raw_spinlock_t lock;
+	nmi_handler_t emerg_handler;
 	struct list_head head;
 };
 
@@ -122,9 +126,22 @@ static void nmi_check_duration(struct nmiaction *action, u64 duration)
 static int nmi_handle(unsigned int type, struct pt_regs *regs)
 {
 	struct nmi_desc *desc = nmi_to_desc(type);
+	nmi_handler_t ehandler;
 	struct nmiaction *a;
 	int handled=0;
 
+	/*
+	 * Call the emergency handler, if set
+	 *
+	 * In the case of crash_nmi_callback() emergency handler, it will
+	 * return in the case of the crashing CPU to enable it to complete
+	 * other necessary crashing actions ASAP. Other handlers in the
+	 * linked list won't need to be run.
+	 */
+	ehandler = desc->emerg_handler;
+	if (ehandler)
+		return ehandler(type, regs);
+
 	rcu_read_lock();
 
 	/*
@@ -210,6 +227,31 @@ void unregister_nmi_handler(unsigned int type, const char *name)
 }
 EXPORT_SYMBOL_GPL(unregister_nmi_handler);
 
+/**
+ * set_emergency_nmi_handler - Set emergency handler
+ * @type:    NMI type
+ * @handler: the emergency handler to be stored
+ *
+ * Set an emergency NMI handler which, if set, will preempt all the other
+ * handlers in the linked list. If a NULL handler is passed in, it will clear
+ * it. It is expected that concurrent calls to this function will not happen
+ * or the system is screwed beyond repair.
+ */
+void set_emergency_nmi_handler(unsigned int type, nmi_handler_t handler)
+{
+	struct nmi_desc *desc = nmi_to_desc(type);
+
+	if (WARN_ON_ONCE(desc->emerg_handler == handler))
+		return;
+	desc->emerg_handler = handler;
+
+	/*
+	 * Ensure the emergency handler is visible to other CPUs before
+	 * function return
+	 */
+	smp_wmb();
+}
+
 static void
 pci_serr_error(unsigned char reason, struct pt_regs *regs)
 {
diff --git a/arch/x86/kernel/reboot.c b/arch/x86/kernel/reboot.c
index 444b8a691c14..13ef3470b072 100644
--- a/arch/x86/kernel/reboot.c
+++ b/arch/x86/kernel/reboot.c
@@ -888,15 +888,11 @@ void nmi_shootdown_cpus(nmi_shootdown_cb callback)
 	shootdown_callback = callback;
 
 	atomic_set(&waiting_for_crash_ipi, num_online_cpus() - 1);
-	/* Would it be better to replace the trap vector here? */
-	if (register_nmi_handler(NMI_LOCAL, crash_nmi_callback,
-				 NMI_FLAG_FIRST, "crash"))
-		return;		/* Return what? */
+
 	/*
-	 * Ensure the new callback function is set before sending
-	 * out the NMI
+	 * Set emergency handler to preempt other handlers.
 	 */
-	wmb();
+	set_emergency_nmi_handler(NMI_LOCAL, crash_nmi_callback);
 
 	smp_send_nmi_allbutself();
 
diff --git a/arch/x86/um/os-Linux/mcontext.c b/arch/x86/um/os-Linux/mcontext.c
index 49c3744cac37..81b9d1f9f4e6 100644
--- a/arch/x86/um/os-Linux/mcontext.c
+++ b/arch/x86/um/os-Linux/mcontext.c
@@ -26,7 +26,6 @@ void get_regs_from_mc(struct uml_pt_regs *regs, mcontext_t *mc)
 	COPY(RIP);
 	COPY2(EFLAGS, EFL);
 	COPY2(CS, CSGSFS);
-	regs->gp[CS / sizeof(unsigned long)] &= 0xffff;
-	regs->gp[CS / sizeof(unsigned long)] |= 3;
+	regs->gp[SS / sizeof(unsigned long)] = mc->gregs[REG_CSGSFS] >> 48;
 #endif
 }
diff --git a/crypto/algif_hash.c b/crypto/algif_hash.c
index 42521d0d7bfe..67477e3c1c09 100644
--- a/crypto/algif_hash.c
+++ b/crypto/algif_hash.c
@@ -267,10 +267,6 @@ static int hash_accept(struct socket *sock, struct socket *newsock, int flags,
 		return err;
 
 	err = crypto_ahash_import(&ctx2->req, state);
-	if (err) {
-		sock_orphan(sk2);
-		sock_put(sk2);
-	}
 
 	return err;
 }
diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig
index dd1eea90f67f..2f4bc9b8bb83 100644
--- a/drivers/acpi/Kconfig
+++ b/drivers/acpi/Kconfig
@@ -427,7 +427,7 @@ config ACPI_SBS
 	  the modules will be called sbs and sbshc.
 
 config ACPI_HED
-	tristate "Hardware Error Device"
+	bool "Hardware Error Device"
 	help
 	  This driver supports the Hardware Error Device (PNP0C33),
 	  which is used to report some hardware errors notified via
diff --git a/drivers/acpi/acpica/dsutils.c b/drivers/acpi/acpica/dsutils.c
index 8d1b75400515..515a16989dd3 100644
--- a/drivers/acpi/acpica/dsutils.c
+++ b/drivers/acpi/acpica/dsutils.c
@@ -670,6 +670,8 @@ acpi_ds_create_operands(struct acpi_walk_state *walk_state,
 	union acpi_parse_object *arguments[ACPI_OBJ_NUM_OPERANDS];
 	u32 arg_count = 0;
 	u32 index = walk_state->num_operands;
+	u32 prev_num_operands = walk_state->num_operands;
+	u32 new_num_operands;
 	u32 i;
 
 	ACPI_FUNCTION_TRACE_PTR(ds_create_operands, first_arg);
@@ -698,6 +700,7 @@ acpi_ds_create_operands(struct acpi_walk_state *walk_state,
 
 	/* Create the interpreter arguments, in reverse order */
 
+	new_num_operands = index;
 	index--;
 	for (i = 0; i < arg_count; i++) {
 		arg = arguments[index];
@@ -722,7 +725,11 @@ cleanup:
 	 * pop everything off of the operand stack and delete those
 	 * objects
 	 */
-	acpi_ds_obj_stack_pop_and_delete(arg_count, walk_state);
+	walk_state->num_operands = i;
+	acpi_ds_obj_stack_pop_and_delete(new_num_operands, walk_state);
+
+	/* Restore operand count */
+	walk_state->num_operands = prev_num_operands;
 
 	ACPI_EXCEPTION((AE_INFO, status, "While creating Arg %u", index));
 	return_ACPI_STATUS(status);
diff --git a/drivers/acpi/acpica/psobject.c b/drivers/acpi/acpica/psobject.c
index 3138e7a00da8..e60caed51def 100644
--- a/drivers/acpi/acpica/psobject.c
+++ b/drivers/acpi/acpica/psobject.c
@@ -640,7 +640,8 @@ acpi_status
 acpi_ps_complete_final_op(struct acpi_walk_state *walk_state,
 			  union acpi_parse_object *op, acpi_status status)
 {
-	acpi_status status2;
+	acpi_status return_status = status;
+	u8 ascending = TRUE;
 
 	ACPI_FUNCTION_TRACE_PTR(ps_complete_final_op, walk_state);
 
@@ -654,7 +655,7 @@ acpi_ps_complete_final_op(struct acpi_walk_state *walk_state,
 			  op));
 	do {
 		if (op) {
-			if (walk_state->ascending_callback != NULL) {
+			if (ascending && walk_state->ascending_callback != NULL) {
 				walk_state->op = op;
 				walk_state->op_info =
 				    acpi_ps_get_opcode_info(op->common.
@@ -676,49 +677,26 @@ acpi_ps_complete_final_op(struct acpi_walk_state *walk_state,
 				}
 
 				if (status == AE_CTRL_TERMINATE) {
-					status = AE_OK;
-
-					/* Clean up */
-					do {
-						if (op) {
-							status2 =
-							    acpi_ps_complete_this_op
-							    (walk_state, op);
-							if (ACPI_FAILURE
-							    (status2)) {
-								return_ACPI_STATUS
-								    (status2);
-							}
-						}
-
-						acpi_ps_pop_scope(&
-								  (walk_state->
-								   parser_state),
-								  &op,
-								  &walk_state->
-								  arg_types,
-								  &walk_state->
-								  arg_count);
-
-					} while (op);
-
-					return_ACPI_STATUS(status);
+					ascending = FALSE;
+					return_status = AE_CTRL_TERMINATE;
 				}
 
 				else if (ACPI_FAILURE(status)) {
 
 					/* First error is most important */
 
-					(void)
-					    acpi_ps_complete_this_op(walk_state,
-								     op);
-					return_ACPI_STATUS(status);
+					ascending = FALSE;
+					return_status = status;
 				}
 			}
 
-			status2 = acpi_ps_complete_this_op(walk_state, op);
-			if (ACPI_FAILURE(status2)) {
-				return_ACPI_STATUS(status2);
+			status = acpi_ps_complete_this_op(walk_state, op);
+			if (ACPI_FAILURE(status)) {
+				ascending = FALSE;
+				if (ACPI_SUCCESS(return_status) ||
+				    return_status == AE_CTRL_TERMINATE) {
+					return_status = status;
+				}
 			}
 		}
 
@@ -728,5 +706,5 @@ acpi_ps_complete_final_op(struct acpi_walk_state *walk_state,
 
 	} while (op);
 
-	return_ACPI_STATUS(status);
+	return_ACPI_STATUS(return_status);
 }
diff --git a/drivers/acpi/battery.c b/drivers/acpi/battery.c
index 46aa0e5e6f8b..0c4ee51c7bb1 100644
--- a/drivers/acpi/battery.c
+++ b/drivers/acpi/battery.c
@@ -279,10 +279,23 @@ static int acpi_battery_get_property(struct power_supply *psy,
 		break;
 	case POWER_SUPPLY_PROP_CURRENT_NOW:
 	case POWER_SUPPLY_PROP_POWER_NOW:
-		if (battery->rate_now == ACPI_BATTERY_VALUE_UNKNOWN)
+		if (battery->rate_now == ACPI_BATTERY_VALUE_UNKNOWN) {
 			ret = -ENODEV;
-		else
-			val->intval = battery->rate_now * 1000;
+			break;
+		}
+
+		val->intval = battery->rate_now * 1000;
+		/*
+		 * When discharging, the current should be reported as a
+		 * negative number as per the power supply class interface
+		 * definition.
+		 */
+		if (psp == POWER_SUPPLY_PROP_CURRENT_NOW &&
+		    (battery->state & ACPI_BATTERY_STATE_DISCHARGING) &&
+		    acpi_battery_handle_discharging(battery)
+				== POWER_SUPPLY_STATUS_DISCHARGING)
+			val->intval = -val->intval;
+
 		break;
 	case POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN:
 	case POWER_SUPPLY_PROP_ENERGY_FULL_DESIGN:
diff --git a/drivers/acpi/hed.c b/drivers/acpi/hed.c
index 5c67a6d8f803..74571f52dd74 100644
--- a/drivers/acpi/hed.c
+++ b/drivers/acpi/hed.c
@@ -80,7 +80,12 @@ static struct acpi_driver acpi_hed_driver = {
 		.notify = acpi_hed_notify,
 	},
 };
-module_acpi_driver(acpi_hed_driver);
+
+static int __init acpi_hed_driver_init(void)
+{
+	return acpi_bus_register_driver(&acpi_hed_driver);
+}
+subsys_initcall(acpi_hed_driver_init);
 
 ACPI_MODULE_NAME("hed");
 MODULE_AUTHOR("Huang Ying");
diff --git a/drivers/acpi/osi.c b/drivers/acpi/osi.c
index b2a16ed7e81a..b58fb0a51967 100644
--- a/drivers/acpi/osi.c
+++ b/drivers/acpi/osi.c
@@ -55,7 +55,6 @@ static struct acpi_osi_entry
 osi_setup_entries[OSI_STRING_ENTRIES_MAX] __initdata = {
 	{"Module Device", true},
 	{"Processor Device", true},
-	{"3.0 _SCP Extensions", true},
 	{"Processor Aggregator Device", true},
 	/*
 	 * Linux-Dell-Video is used by BIOS to disable RTD3 for NVidia graphics
diff --git a/drivers/acpi/pptt.c b/drivers/acpi/pptt.c
index 39f354b50886..f061d3a5a1c4 100644
--- a/drivers/acpi/pptt.c
+++ b/drivers/acpi/pptt.c
@@ -215,16 +215,18 @@ static int acpi_pptt_leaf_node(struct acpi_table_header *table_hdr,
 			     sizeof(struct acpi_table_pptt));
 	proc_sz = sizeof(struct acpi_pptt_processor);
 
-	while ((unsigned long)entry + proc_sz < table_end) {
+	/* ignore subtable types that are smaller than a processor node */
+	while ((unsigned long)entry + proc_sz <= table_end) {
 		cpu_node = (struct acpi_pptt_processor *)entry;
+
 		if (entry->type == ACPI_PPTT_TYPE_PROCESSOR &&
 		    cpu_node->parent == node_entry)
 			return 0;
 		if (entry->length == 0)
 			return 0;
+
 		entry = ACPI_ADD_PTR(struct acpi_subtable_header, entry,
 				     entry->length);
-
 	}
 	return 1;
 }
@@ -257,15 +259,18 @@ static struct acpi_pptt_processor *acpi_find_processor_node(struct acpi_table_he
 	proc_sz = sizeof(struct acpi_pptt_processor);
 
 	/* find the processor structure associated with this cpuid */
-	while ((unsigned long)entry + proc_sz < table_end) {
+	while ((unsigned long)entry + proc_sz <= table_end) {
 		cpu_node = (struct acpi_pptt_processor *)entry;
 
 		if (entry->length == 0) {
 			pr_warn("Invalid zero length subtable\n");
 			break;
 		}
+		/* entry->length may not equal proc_sz, revalidate the processor structure length */
 		if (entry->type == ACPI_PPTT_TYPE_PROCESSOR &&
 		    acpi_cpu_id == cpu_node->acpi_processor_id &&
+		    (unsigned long)entry + entry->length <= table_end &&
+		    entry->length == proc_sz + cpu_node->number_of_priv_resources * sizeof(u32) &&
 		     acpi_pptt_leaf_node(table_hdr, cpu_node)) {
 			return (struct acpi_pptt_processor *)entry;
 		}
diff --git a/drivers/ata/pata_via.c b/drivers/ata/pata_via.c
index fd19f1ce83aa..561c19aa149a 100644
--- a/drivers/ata/pata_via.c
+++ b/drivers/ata/pata_via.c
@@ -367,7 +367,8 @@ static unsigned long via_mode_filter(struct ata_device *dev, unsigned long mask)
 	}
 
 	if (dev->class == ATA_DEV_ATAPI &&
-	    dmi_check_system(no_atapi_dma_dmi_table)) {
+	    (dmi_check_system(no_atapi_dma_dmi_table) ||
+	     config->id == PCI_DEVICE_ID_VIA_6415)) {
 		ata_dev_warn(dev, "controller locks up on ATAPI DMA, forcing PIO\n");
 		mask &= ATA_MASK_PIO;
 	}
diff --git a/drivers/atm/atmtcp.c b/drivers/atm/atmtcp.c
index 723bad1201cc..b87a81735673 100644
--- a/drivers/atm/atmtcp.c
+++ b/drivers/atm/atmtcp.c
@@ -287,7 +287,9 @@ static int atmtcp_c_send(struct atm_vcc *vcc,struct sk_buff *skb)
 	struct sk_buff *new_skb;
 	int result = 0;
 
-	if (!skb->len) return 0;
+	if (skb->len < sizeof(struct atmtcp_hdr))
+		goto done;
+
 	dev = vcc->dev_data;
 	hdr = (struct atmtcp_hdr *) skb->data;
 	if (hdr->length == ATMTCP_HDR_MAGIC) {
diff --git a/drivers/bus/fsl-mc/fsl-mc-bus.c b/drivers/bus/fsl-mc/fsl-mc-bus.c
index 5d8266c6571f..ef6a25cdf60f 100644
--- a/drivers/bus/fsl-mc/fsl-mc-bus.c
+++ b/drivers/bus/fsl-mc/fsl-mc-bus.c
@@ -655,8 +655,10 @@ int fsl_mc_device_add(struct fsl_mc_obj_desc *obj_desc,
 
 error_cleanup_dev:
 	kfree(mc_dev->regions);
-	kfree(mc_bus);
-	kfree(mc_dev);
+	if (mc_bus)
+		kfree(mc_bus);
+	else
+		kfree(mc_dev);
 
 	return error;
 }
diff --git a/drivers/bus/fsl-mc/mc-sys.c b/drivers/bus/fsl-mc/mc-sys.c
index 3221a7fbaf0a..24307ed59d77 100644
--- a/drivers/bus/fsl-mc/mc-sys.c
+++ b/drivers/bus/fsl-mc/mc-sys.c
@@ -19,7 +19,7 @@
 /**
  * Timeout in milliseconds to wait for the completion of an MC command
  */
-#define MC_CMD_COMPLETION_TIMEOUT_MS	500
+#define MC_CMD_COMPLETION_TIMEOUT_MS	15000
 
 /*
  * usleep_range() min and max values used to throttle down polling
diff --git a/drivers/clk/rockchip/clk-rk3036.c b/drivers/clk/rockchip/clk-rk3036.c
index c3001980dbdc..7c3307e1fa4f 100644
--- a/drivers/clk/rockchip/clk-rk3036.c
+++ b/drivers/clk/rockchip/clk-rk3036.c
@@ -437,6 +437,7 @@ static const char *const rk3036_critical_clocks[] __initconst = {
 	"hclk_peri",
 	"pclk_peri",
 	"pclk_ddrupctl",
+	"ddrphy",
 };
 
 static void __init rk3036_clk_init(struct device_node *np)
diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c
index e35c397b1259..7f7e504d8246 100644
--- a/drivers/cpufreq/cpufreq.c
+++ b/drivers/cpufreq/cpufreq.c
@@ -2379,8 +2379,10 @@ int cpufreq_boost_trigger_state(int state)
 	unsigned long flags;
 	int ret = 0;
 
-	if (cpufreq_driver->boost_enabled == state)
-		return 0;
+	/*
+	 * Don't compare 'cpufreq_driver->boost_enabled' with 'state' here to
+	 * make sure all policies are in sync with global boost flag.
+	 */
 
 	write_lock_irqsave(&cpufreq_driver_lock, flags);
 	cpufreq_driver->boost_enabled = state;
diff --git a/drivers/cpuidle/governors/menu.c b/drivers/cpuidle/governors/menu.c
index 6d7f6b9bb373..b98947201375 100644
--- a/drivers/cpuidle/governors/menu.c
+++ b/drivers/cpuidle/governors/menu.c
@@ -267,8 +267,19 @@ again:
 	 * This can deal with workloads that have long pauses interspersed
 	 * with sporadic activity with a bunch of short pauses.
 	 */
-	if ((divisor * 4) <= INTERVALS * 3)
+	if (divisor * 4 <= INTERVALS * 3) {
+		/*
+		 * If there are sufficiently many data points still under
+		 * consideration after the outliers have been eliminated,
+		 * returning without a prediction would be a mistake because it
+		 * is likely that the next interval will not exceed the current
+		 * maximum, so return the latter in that case.
+		 */
+		if (divisor >= INTERVALS / 2)
+			return max;
+
 		return UINT_MAX;
+	}
 
 	thresh = max - 1;
 	goto again;
diff --git a/drivers/crypto/marvell/cipher.c b/drivers/crypto/marvell/cipher.c
index c9b905efc448..97ebe4778dac 100644
--- a/drivers/crypto/marvell/cipher.c
+++ b/drivers/crypto/marvell/cipher.c
@@ -462,6 +462,9 @@ static int mv_cesa_skcipher_queue_req(struct skcipher_request *req,
 	struct mv_cesa_skcipher_req *creq = skcipher_request_ctx(req);
 	struct mv_cesa_engine *engine;
 
+	if (!req->cryptlen)
+		return 0;
+
 	ret = mv_cesa_skcipher_req_init(req, tmpl);
 	if (ret)
 		return ret;
diff --git a/drivers/crypto/marvell/hash.c b/drivers/crypto/marvell/hash.c
index 99ff54cc8a15..04547ece7a8e 100644
--- a/drivers/crypto/marvell/hash.c
+++ b/drivers/crypto/marvell/hash.c
@@ -634,7 +634,7 @@ static int mv_cesa_ahash_dma_req_init(struct ahash_request *req)
 	if (ret)
 		goto err_free_tdma;
 
-	if (iter.src.sg) {
+	if (iter.base.len > iter.src.op_offset) {
 		/*
 		 * Add all the new data, inserting an operation block and
 		 * launch command between each full SRAM block-worth of
diff --git a/drivers/edac/altera_edac.c b/drivers/edac/altera_edac.c
index 3145d009d541..04e3d377fd07 100644
--- a/drivers/edac/altera_edac.c
+++ b/drivers/edac/altera_edac.c
@@ -113,7 +113,7 @@ static irqreturn_t altr_sdram_mc_err_handler(int irq, void *dev_id)
 	if (status & priv->ecc_stat_ce_mask) {
 		regmap_read(drvdata->mc_vbase, priv->ecc_saddr_offset,
 			    &err_addr);
-		if (priv->ecc_uecnt_offset)
+		if (priv->ecc_cecnt_offset)
 			regmap_read(drvdata->mc_vbase,  priv->ecc_cecnt_offset,
 				    &err_count);
 		edac_mc_handle_error(HW_EVENT_ERR_CORRECTED, mci, err_count,
@@ -1309,9 +1309,6 @@ altr_init_a10_ecc_block(struct device_node *np, u32 irq_mask,
 		}
 	}
 
-	/* Interrupt mode set to every SBERR */
-	regmap_write(ecc_mgr_map, ALTR_A10_ECC_INTMODE_OFST,
-		     ALTR_A10_ECC_INTMODE);
 	/* Enable ECC */
 	ecc_set_bits(ecc_ctrl_en_mask, (ecc_block_base +
 					ALTR_A10_ECC_CTRL_OFST));
@@ -2169,6 +2166,10 @@ static int altr_edac_a10_probe(struct platform_device *pdev)
 		return PTR_ERR(edac->ecc_mgr_map);
 	}
 
+	/* Set irq mask for DDR SBE to avoid any pending irq before registration */
+	regmap_write(edac->ecc_mgr_map, A10_SYSMGR_ECC_INTMASK_SET_OFST,
+		     (A10_SYSMGR_ECC_INTMASK_SDMMCB | A10_SYSMGR_ECC_INTMASK_DDR0));
+
 	edac->irq_chip.name = pdev->dev.of_node->name;
 	edac->irq_chip.irq_mask = a10_eccmgr_irq_mask;
 	edac->irq_chip.irq_unmask = a10_eccmgr_irq_unmask;
diff --git a/drivers/edac/altera_edac.h b/drivers/edac/altera_edac.h
index 81f0554e09de..7a229c5ae552 100644
--- a/drivers/edac/altera_edac.h
+++ b/drivers/edac/altera_edac.h
@@ -277,6 +277,8 @@ struct altr_sdram_mc_data {
 #define A10_SYSMGR_ECC_INTMASK_SET_OFST   0x94
 #define A10_SYSMGR_ECC_INTMASK_CLR_OFST   0x98
 #define A10_SYSMGR_ECC_INTMASK_OCRAM      BIT(1)
+#define A10_SYSMGR_ECC_INTMASK_SDMMCB     BIT(16)
+#define A10_SYSMGR_ECC_INTMASK_DDR0       BIT(17)
 
 #define A10_SYSMGR_ECC_INTSTAT_SERR_OFST  0x9C
 #define A10_SYSMGR_ECC_INTSTAT_DERR_OFST  0xA0
diff --git a/drivers/edac/ie31200_edac.c b/drivers/edac/ie31200_edac.c
index 6f2307914a8b..31fe49e8105c 100644
--- a/drivers/edac/ie31200_edac.c
+++ b/drivers/edac/ie31200_edac.c
@@ -377,10 +377,9 @@ static int ie31200_probe1(struct pci_dev *pdev, int dev_idx)
 	int i, j, ret;
 	struct mem_ctl_info *mci = NULL;
 	struct edac_mc_layer layers[2];
-	struct dimm_data dimm_info[IE31200_CHANNELS][IE31200_DIMMS_PER_CHANNEL];
 	void __iomem *window;
 	struct ie31200_priv *priv;
-	u32 addr_decode, mad_offset;
+	u32 addr_decode[IE31200_CHANNELS], mad_offset;
 
 	/*
 	 * Kaby Lake seems to work like Skylake. Please re-visit this logic
@@ -438,19 +437,10 @@ static int ie31200_probe1(struct pci_dev *pdev, int dev_idx)
 		mad_offset = IE31200_MAD_DIMM_0_OFFSET;
 	}
 
-	/* populate DIMM info */
 	for (i = 0; i < IE31200_CHANNELS; i++) {
-		addr_decode = readl(window + mad_offset +
+		addr_decode[i] = readl(window + mad_offset +
 					(i * 4));
-		edac_dbg(0, "addr_decode: 0x%x\n", addr_decode);
-		for (j = 0; j < IE31200_DIMMS_PER_CHANNEL; j++) {
-			populate_dimm_info(&dimm_info[i][j], addr_decode, j,
-					   skl);
-			edac_dbg(0, "size: 0x%x, rank: %d, width: %d\n",
-				 dimm_info[i][j].size,
-				 dimm_info[i][j].dual_rank,
-				 dimm_info[i][j].x16_width);
-		}
+		edac_dbg(0, "addr_decode: 0x%x\n", addr_decode[i]);
 	}
 
 	/*
@@ -461,14 +451,22 @@ static int ie31200_probe1(struct pci_dev *pdev, int dev_idx)
 	 */
 	for (i = 0; i < IE31200_DIMMS_PER_CHANNEL; i++) {
 		for (j = 0; j < IE31200_CHANNELS; j++) {
+			struct dimm_data dimm_info;
 			struct dimm_info *dimm;
 			unsigned long nr_pages;
 
-			nr_pages = IE31200_PAGES(dimm_info[j][i].size, skl);
+			populate_dimm_info(&dimm_info, addr_decode[j], i,
+					   skl);
+			edac_dbg(0, "size: 0x%x, rank: %d, width: %d\n",
+				 dimm_info.size,
+				 dimm_info.dual_rank,
+				 dimm_info.x16_width);
+
+			nr_pages = IE31200_PAGES(dimm_info.size, skl);
 			if (nr_pages == 0)
 				continue;
 
-			if (dimm_info[j][i].dual_rank) {
+			if (dimm_info.dual_rank) {
 				nr_pages = nr_pages / 2;
 				dimm = EDAC_DIMM_PTR(mci->layers, mci->dimms,
 						     mci->n_layers, (i * 2) + 1,
diff --git a/drivers/firmware/dell_rbu.c b/drivers/firmware/dell_rbu.c
index ccefa84f7305..47179499b36a 100644
--- a/drivers/firmware/dell_rbu.c
+++ b/drivers/firmware/dell_rbu.c
@@ -354,7 +354,7 @@ static void packet_empty_list(void)
 		 * zero out the RBU packet memory before freeing
 		 * to make sure there are no stale RBU packets left in memory
 		 */
-		memset(newpacket->data, 0, rbu_data.packetsize);
+		memset(newpacket->data, 0, newpacket->length);
 		set_memory_wb((unsigned long)newpacket->data,
 			1 << newpacket->ordernum);
 		free_pages((unsigned long) newpacket->data,
diff --git a/drivers/firmware/psci.c b/drivers/firmware/psci.c
index d855c20de663..64a88d5f1704 100644
--- a/drivers/firmware/psci.c
+++ b/drivers/firmware/psci.c
@@ -692,8 +692,10 @@ int __init psci_dt_init(void)
 
 	np = of_find_matching_node_and_match(NULL, psci_of_match, &matched_np);
 
-	if (!np || !of_device_is_available(np))
+	if (!np || !of_device_is_available(np)) {
+		of_node_put(np);
 		return -ENODEV;
+	}
 
 	init_fn = (psci_initcall_t)matched_np->data;
 	return init_fn(np);
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v6_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v6_0.c
index de184a886057..5627bde7c665 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v6_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v6_0.c
@@ -2920,8 +2920,6 @@ static void gfx_v6_0_get_csb_buffer(struct amdgpu_device *adev,
 				buffer[count++] = cpu_to_le32(ext->reg_index - 0xa000);
 				for (i = 0; i < ext->reg_count; i++)
 					buffer[count++] = cpu_to_le32(ext->extent[i]);
-			} else {
-				return;
 			}
 		}
 	}
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c
index 95452c5a9df6..c001e4972b63 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c
@@ -4069,8 +4069,6 @@ static void gfx_v7_0_get_csb_buffer(struct amdgpu_device *adev,
 				buffer[count++] = cpu_to_le32(ext->reg_index - PACKET3_SET_CONTEXT_REG_START);
 				for (i = 0; i < ext->reg_count; i++)
 					buffer[count++] = cpu_to_le32(ext->extent[i]);
-			} else {
-				return;
 			}
 		}
 	}
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
index e1cb7fa89e4d..7fc740064dff 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
@@ -1282,8 +1282,6 @@ static void gfx_v8_0_get_csb_buffer(struct amdgpu_device *adev,
 						PACKET3_SET_CONTEXT_REG_START);
 				for (i = 0; i < ext->reg_count; i++)
 					buffer[count++] = cpu_to_le32(ext->extent[i]);
-			} else {
-				return;
 			}
 		}
 	}
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
index d36bea68a67e..e00d5674043f 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
@@ -793,8 +793,6 @@ static void gfx_v9_0_get_csb_buffer(struct amdgpu_device *adev,
 						PACKET3_SET_CONTEXT_REG_START);
 				for (i = 0; i < ext->reg_count; i++)
 					buffer[count++] = cpu_to_le32(ext->extent[i]);
-			} else {
-				return;
 			}
 		}
 	}
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v9.c b/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v9.c
index 985bebde5a34..82d23bd16705 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v9.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v9.c
@@ -369,6 +369,10 @@ static int update_mqd_sdma(struct mqd_manager *mm, void *mqd,
 	m->sdma_engine_id = q->sdma_engine_id;
 	m->sdma_queue_id = q->sdma_queue_id;
 	m->sdmax_rlcx_dummy_reg = SDMA_RLC_DUMMY_DEFAULT;
+	/* Allow context switch so we don't cross-process starve with a massive
+	 * command buffer of long-running SDMA commands
+	 */
+	m->sdmax_rlcx_ib_cntl |= SDMA0_GFX_IB_CNTL__SWITCH_INSIDE_IB_MASK;
 
 	q->is_active = (q->queue_size > 0 &&
 			q->queue_address != 0 &&
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
index e4139723c473..ffea4846bb94 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -4738,16 +4738,20 @@ static int dm_force_atomic_commit(struct drm_connector *connector)
 	 */
 	conn_state = drm_atomic_get_connector_state(state, connector);
 
-	ret = PTR_ERR_OR_ZERO(conn_state);
-	if (ret)
+	/* Check for error in getting connector state */
+	if (IS_ERR(conn_state)) {
+		ret = PTR_ERR(conn_state);
 		goto out;
+	}
 
 	/* Attach crtc to drm_atomic_state*/
 	crtc_state = drm_atomic_get_crtc_state(state, &disconnected_acrtc->base);
 
-	ret = PTR_ERR_OR_ZERO(crtc_state);
-	if (ret)
+	/* Check for error in getting crtc state */
+	if (IS_ERR(crtc_state)) {
+		ret = PTR_ERR(crtc_state);
 		goto out;
+	}
 
 	/* force a restore */
 	crtc_state->mode_changed = true;
@@ -4755,9 +4759,11 @@ static int dm_force_atomic_commit(struct drm_connector *connector)
 	/* Attach plane to drm_atomic_state */
 	plane_state = drm_atomic_get_plane_state(state, plane);
 
-	ret = PTR_ERR_OR_ZERO(plane_state);
-	if (ret)
+	/* Check for error in getting plane state */
+	if (IS_ERR(plane_state)) {
+		ret = PTR_ERR(plane_state);
 		goto out;
+	}
 
 	/* Call commit internally with the state we just constructed */
 	ret = drm_atomic_commit(state);
diff --git a/drivers/gpu/drm/drm_atomic_helper.c b/drivers/gpu/drm/drm_atomic_helper.c
index 04376608a947..342a53762a4b 100644
--- a/drivers/gpu/drm/drm_atomic_helper.c
+++ b/drivers/gpu/drm/drm_atomic_helper.c
@@ -536,6 +536,30 @@ mode_valid(struct drm_atomic_state *state)
 	return 0;
 }
 
+static int drm_atomic_check_valid_clones(struct drm_atomic_state *state,
+					 struct drm_crtc *crtc)
+{
+	struct drm_encoder *drm_enc;
+	struct drm_crtc_state *crtc_state = drm_atomic_get_new_crtc_state(state,
+									  crtc);
+
+	drm_for_each_encoder_mask(drm_enc, crtc->dev, crtc_state->encoder_mask) {
+		if (!drm_enc->possible_clones) {
+			DRM_DEBUG("enc%d possible_clones is 0\n", drm_enc->base.id);
+			continue;
+		}
+
+		if ((crtc_state->encoder_mask & drm_enc->possible_clones) !=
+		    crtc_state->encoder_mask) {
+			DRM_DEBUG("crtc%d failed valid clone check for mask 0x%x\n",
+				  crtc->base.id, crtc_state->encoder_mask);
+			return -EINVAL;
+		}
+	}
+
+	return 0;
+}
+
 /**
  * drm_atomic_helper_check_modeset - validate state object for modeset changes
  * @dev: DRM device
@@ -689,6 +713,10 @@ drm_atomic_helper_check_modeset(struct drm_device *dev,
 		ret = drm_atomic_add_affected_planes(state, crtc);
 		if (ret != 0)
 			return ret;
+
+		ret = drm_atomic_check_valid_clones(state, crtc);
+		if (ret != 0)
+			return ret;
 	}
 
 	/*
diff --git a/drivers/gpu/drm/i915/gvt/opregion.c b/drivers/gpu/drm/i915/gvt/opregion.c
index b0d3a43ccd03..6c931d44a3f0 100644
--- a/drivers/gpu/drm/i915/gvt/opregion.c
+++ b/drivers/gpu/drm/i915/gvt/opregion.c
@@ -224,7 +224,6 @@ int intel_vgpu_init_opregion(struct intel_vgpu *vgpu)
 	u8 *buf;
 	struct opregion_header *header;
 	struct vbt v;
-	const char opregion_signature[16] = OPREGION_SIGNATURE;
 
 	gvt_dbg_core("init vgpu%d opregion\n", vgpu->id);
 	vgpu_opregion(vgpu)->va = (void *)__get_free_pages(GFP_KERNEL |
@@ -238,8 +237,9 @@ int intel_vgpu_init_opregion(struct intel_vgpu *vgpu)
 	/* emulated opregion with VBT mailbox only */
 	buf = (u8 *)vgpu_opregion(vgpu)->va;
 	header = (struct opregion_header *)buf;
-	memcpy(header->signature, opregion_signature,
-	       sizeof(opregion_signature));
+
+	memcpy(header->signature, OPREGION_SIGNATURE, sizeof(header->signature));
+
 	header->size = 0x8;
 	header->opregion_ver = 0x02000000;
 	header->mboxes = MBOX_VBT;
diff --git a/drivers/gpu/drm/nouveau/nouveau_backlight.c b/drivers/gpu/drm/nouveau/nouveau_backlight.c
index 6dd72bc32897..cbb81b34345d 100644
--- a/drivers/gpu/drm/nouveau/nouveau_backlight.c
+++ b/drivers/gpu/drm/nouveau/nouveau_backlight.c
@@ -39,7 +39,7 @@
 #include "nouveau_encoder.h"
 
 static struct ida bl_ida;
-#define BL_NAME_SIZE 15 // 12 for name + 2 for digits + 1 for '\0'
+#define BL_NAME_SIZE 24 // 12 for name + 11 for digits + 1 for '\0'
 
 struct backlight_connector {
 	struct list_head head;
diff --git a/drivers/gpu/drm/rcar-du/rcar_du_kms.c b/drivers/gpu/drm/rcar-du/rcar_du_kms.c
index 5cf0331defd4..605ec46d4906 100644
--- a/drivers/gpu/drm/rcar-du/rcar_du_kms.c
+++ b/drivers/gpu/drm/rcar-du/rcar_du_kms.c
@@ -489,7 +489,7 @@ static int rcar_du_vsps_init(struct rcar_du_device *rcdu)
 		ret = of_parse_phandle_with_fixed_args(np, "vsps", cells, i,
 						       &args);
 		if (ret < 0)
-			goto error;
+			goto done;
 
 		/*
 		 * Add the VSP to the list or update the corresponding existing
@@ -523,13 +523,11 @@ static int rcar_du_vsps_init(struct rcar_du_device *rcdu)
 		vsp->dev = rcdu;
 
 		ret = rcar_du_vsp_init(vsp, vsps[i].np, vsps[i].crtcs_mask);
-		if (ret < 0)
-			goto error;
+		if (ret)
+			goto done;
 	}
 
-	return 0;
-
-error:
+done:
 	for (i = 0; i < ARRAY_SIZE(vsps); ++i)
 		of_node_put(vsps[i].np);
 
diff --git a/drivers/gpu/drm/tegra/rgb.c b/drivers/gpu/drm/tegra/rgb.c
index 28a78d3120bc..0301b92c519c 100644
--- a/drivers/gpu/drm/tegra/rgb.c
+++ b/drivers/gpu/drm/tegra/rgb.c
@@ -214,6 +214,11 @@ static const struct drm_encoder_helper_funcs tegra_rgb_encoder_helper_funcs = {
 	.atomic_check = tegra_rgb_encoder_atomic_check,
 };
 
+static void tegra_dc_of_node_put(void *data)
+{
+	of_node_put(data);
+}
+
 int tegra_dc_rgb_probe(struct tegra_dc *dc)
 {
 	struct device_node *np;
@@ -221,7 +226,14 @@ int tegra_dc_rgb_probe(struct tegra_dc *dc)
 	int err;
 
 	np = of_get_child_by_name(dc->dev->of_node, "rgb");
-	if (!np || !of_device_is_available(np))
+	if (!np)
+		return -ENODEV;
+
+	err = devm_add_action_or_reset(dc->dev, tegra_dc_of_node_put, np);
+	if (err < 0)
+		return err;
+
+	if (!of_device_is_available(np))
 		return -ENODEV;
 
 	rgb = devm_kzalloc(dc->dev, sizeof(*rgb), GFP_KERNEL);
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c b/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c
index 2480afa466f2..6ea5c67ba86d 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c
@@ -4082,6 +4082,23 @@ out_err:
 	return ret;
 }
 
+/*
+ * DMA fence callback to remove a seqno_waiter
+ */
+struct seqno_waiter_rm_context {
+	struct dma_fence_cb base;
+	struct vmw_private *dev_priv;
+};
+
+static void seqno_waiter_rm_cb(struct dma_fence *f, struct dma_fence_cb *cb)
+{
+	struct seqno_waiter_rm_context *ctx =
+		container_of(cb, struct seqno_waiter_rm_context, base);
+
+	vmw_seqno_waiter_remove(ctx->dev_priv);
+	kfree(ctx);
+}
+
 int vmw_execbuf_process(struct drm_file *file_priv,
 			struct vmw_private *dev_priv,
 			void __user *user_commands,
@@ -4294,6 +4311,15 @@ int vmw_execbuf_process(struct drm_file *file_priv,
 		} else {
 			/* Link the fence with the FD created earlier */
 			fd_install(out_fence_fd, sync_file->file);
+			struct seqno_waiter_rm_context *ctx =
+				kmalloc(sizeof(*ctx), GFP_KERNEL);
+			ctx->dev_priv = dev_priv;
+			vmw_seqno_waiter_add(dev_priv);
+			if (dma_fence_add_callback(&fence->base, &ctx->base,
+						   seqno_waiter_rm_cb) < 0) {
+				vmw_seqno_waiter_remove(dev_priv);
+				kfree(ctx);
+			}
 		}
 	}
 
diff --git a/drivers/hid/hid-hyperv.c b/drivers/hid/hid-hyperv.c
index 8f2bf70218bf..31ea10086284 100644
--- a/drivers/hid/hid-hyperv.c
+++ b/drivers/hid/hid-hyperv.c
@@ -205,7 +205,8 @@ static void mousevsc_on_receive_device_info(struct mousevsc_dev *input_device,
 	if (!input_device->hid_desc)
 		goto cleanup;
 
-	input_device->report_desc_size = desc->desc[0].wDescriptorLength;
+	input_device->report_desc_size = le16_to_cpu(
+					desc->rpt_desc.wDescriptorLength);
 	if (input_device->report_desc_size == 0) {
 		input_device->dev_info_status = -EINVAL;
 		goto cleanup;
@@ -221,7 +222,7 @@ static void mousevsc_on_receive_device_info(struct mousevsc_dev *input_device,
 
 	memcpy(input_device->report_desc,
 	       ((unsigned char *)desc) + desc->bLength,
-	       desc->desc[0].wDescriptorLength);
+	       le16_to_cpu(desc->rpt_desc.wDescriptorLength));
 
 	/* Send the ack */
 	memset(&ack, 0, sizeof(struct mousevsc_prt_msg));
diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
index 03a46d7d9660..3434d6bfeec8 100644
--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -43,6 +43,10 @@
 #define USB_VENDOR_ID_ACTIONSTAR	0x2101
 #define USB_DEVICE_ID_ACTIONSTAR_1011	0x1011
 
+#define USB_VENDOR_ID_ADATA_XPG 0x125f
+#define USB_VENDOR_ID_ADATA_XPG_WL_GAMING_MOUSE 0x7505
+#define USB_VENDOR_ID_ADATA_XPG_WL_GAMING_MOUSE_DONGLE 0x7506
+
 #define USB_VENDOR_ID_ADS_TECH		0x06e1
 #define USB_DEVICE_ID_ADS_TECH_RADIO_SI470X	0xa155
 
diff --git a/drivers/hid/hid-quirks.c b/drivers/hid/hid-quirks.c
index a88d2705a833..ad2334702e6b 100644
--- a/drivers/hid/hid-quirks.c
+++ b/drivers/hid/hid-quirks.c
@@ -29,6 +29,8 @@
 static const struct hid_device_id hid_quirks[] = {
 	{ HID_USB_DEVICE(USB_VENDOR_ID_AASHIMA, USB_DEVICE_ID_AASHIMA_GAMEPAD), HID_QUIRK_BADPAD },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_AASHIMA, USB_DEVICE_ID_AASHIMA_PREDATOR), HID_QUIRK_BADPAD },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_ADATA_XPG, USB_VENDOR_ID_ADATA_XPG_WL_GAMING_MOUSE), HID_QUIRK_ALWAYS_POLL },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_ADATA_XPG, USB_VENDOR_ID_ADATA_XPG_WL_GAMING_MOUSE_DONGLE), HID_QUIRK_ALWAYS_POLL },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_AFATECH, USB_DEVICE_ID_AFATECH_AF9016), HID_QUIRK_FULLSPEED_INTERVAL },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_AIREN, USB_DEVICE_ID_AIREN_SLIMPLUS), HID_QUIRK_NOGET },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_AKAI_09E8, USB_DEVICE_ID_AKAI_09E8_MIDIMIX), HID_QUIRK_NO_INIT_REPORTS },
diff --git a/drivers/hid/usbhid/hid-core.c b/drivers/hid/usbhid/hid-core.c
index e28227040c64..f4f951a74573 100644
--- a/drivers/hid/usbhid/hid-core.c
+++ b/drivers/hid/usbhid/hid-core.c
@@ -987,12 +987,11 @@ static int usbhid_parse(struct hid_device *hid)
 	struct usb_host_interface *interface = intf->cur_altsetting;
 	struct usb_device *dev = interface_to_usbdev (intf);
 	struct hid_descriptor *hdesc;
+	struct hid_class_descriptor *hcdesc;
 	u32 quirks = 0;
 	unsigned int rsize = 0;
 	char *rdesc;
-	int ret, n;
-	int num_descriptors;
-	size_t offset = offsetof(struct hid_descriptor, desc);
+	int ret;
 
 	quirks = hid_lookup_quirk(hid);
 
@@ -1014,20 +1013,19 @@ static int usbhid_parse(struct hid_device *hid)
 		return -ENODEV;
 	}
 
-	if (hdesc->bLength < sizeof(struct hid_descriptor)) {
-		dbg_hid("hid descriptor is too short\n");
+	if (!hdesc->bNumDescriptors ||
+	    hdesc->bLength != sizeof(*hdesc) +
+			      (hdesc->bNumDescriptors - 1) * sizeof(*hcdesc)) {
+		dbg_hid("hid descriptor invalid, bLen=%hhu bNum=%hhu\n",
+			hdesc->bLength, hdesc->bNumDescriptors);
 		return -EINVAL;
 	}
 
 	hid->version = le16_to_cpu(hdesc->bcdHID);
 	hid->country = hdesc->bCountryCode;
 
-	num_descriptors = min_t(int, hdesc->bNumDescriptors,
-	       (hdesc->bLength - offset) / sizeof(struct hid_class_descriptor));
-
-	for (n = 0; n < num_descriptors; n++)
-		if (hdesc->desc[n].bDescriptorType == HID_DT_REPORT)
-			rsize = le16_to_cpu(hdesc->desc[n].wDescriptorLength);
+	if (hdesc->rpt_desc.bDescriptorType == HID_DT_REPORT)
+		rsize = le16_to_cpu(hdesc->rpt_desc.wDescriptorLength);
 
 	if (!rsize || rsize > HID_MAX_DESCRIPTOR_SIZE) {
 		dbg_hid("weird size of report descriptor (%u)\n", rsize);
@@ -1055,6 +1053,11 @@ static int usbhid_parse(struct hid_device *hid)
 		goto err;
 	}
 
+	if (hdesc->bNumDescriptors > 1)
+		hid_warn(intf,
+			"%u unsupported optional hid class descriptors\n",
+			(int)(hdesc->bNumDescriptors - 1));
+
 	hid->quirks |= quirks;
 
 	return 0;
diff --git a/drivers/hid/usbhid/usbkbd.c b/drivers/hid/usbhid/usbkbd.c
index ed01dc425d29..f8eb44b3d122 100644
--- a/drivers/hid/usbhid/usbkbd.c
+++ b/drivers/hid/usbhid/usbkbd.c
@@ -172,7 +172,7 @@ static int usb_kbd_event(struct input_dev *dev, unsigned int type,
 		return -1;
 
 	spin_lock_irqsave(&kbd->leds_lock, flags);
-	kbd->newleds = (!!test_bit(LED_KANA,    dev->led) << 3) | (!!test_bit(LED_COMPOSE, dev->led) << 3) |
+	kbd->newleds = (!!test_bit(LED_KANA,    dev->led) << 4) | (!!test_bit(LED_COMPOSE, dev->led) << 3) |
 		       (!!test_bit(LED_SCROLLL, dev->led) << 2) | (!!test_bit(LED_CAPSL,   dev->led) << 1) |
 		       (!!test_bit(LED_NUML,    dev->led));
 
diff --git a/drivers/hwmon/gpio-fan.c b/drivers/hwmon/gpio-fan.c
index 534a175a6e4c..16b06ad8db6a 100644
--- a/drivers/hwmon/gpio-fan.c
+++ b/drivers/hwmon/gpio-fan.c
@@ -407,7 +407,12 @@ static int gpio_fan_set_cur_state(struct thermal_cooling_device *cdev,
 	if (state >= fan_data->num_speed)
 		return -EINVAL;
 
+	mutex_lock(&fan_data->lock);
+
 	set_fan_speed(fan_data, state);
+
+	mutex_unlock(&fan_data->lock);
+
 	return 0;
 }
 
@@ -563,8 +568,11 @@ static int gpio_fan_remove(struct platform_device *pdev)
 	if (!IS_ERR(fan_data->cdev))
 		thermal_cooling_device_unregister(fan_data->cdev);
 
-	if (fan_data->gpios)
+	if (fan_data->gpios) {
+		mutex_lock(&fan_data->lock);
 		set_fan_speed(fan_data, 0);
+		mutex_unlock(&fan_data->lock);
+	}
 
 	return 0;
 }
@@ -581,7 +589,9 @@ static int gpio_fan_suspend(struct device *dev)
 
 	if (fan_data->gpios) {
 		fan_data->resume_speed = fan_data->speed_index;
+		mutex_lock(&fan_data->lock);
 		set_fan_speed(fan_data, 0);
+		mutex_unlock(&fan_data->lock);
 	}
 
 	return 0;
@@ -591,8 +601,11 @@ static int gpio_fan_resume(struct device *dev)
 {
 	struct gpio_fan_data *fan_data = dev_get_drvdata(dev);
 
-	if (fan_data->gpios)
+	if (fan_data->gpios) {
+		mutex_lock(&fan_data->lock);
 		set_fan_speed(fan_data, fan_data->resume_speed);
+		mutex_unlock(&fan_data->lock);
+	}
 
 	return 0;
 }
diff --git a/drivers/hwmon/xgene-hwmon.c b/drivers/hwmon/xgene-hwmon.c
index 6d6a26b52177..a5f71cba7777 100644
--- a/drivers/hwmon/xgene-hwmon.c
+++ b/drivers/hwmon/xgene-hwmon.c
@@ -122,7 +122,7 @@ struct xgene_hwmon_dev {
 
 	phys_addr_t		comm_base_addr;
 	void			*pcc_comm_addr;
-	u64			usecs_lat;
+	unsigned int		usecs_lat;
 };
 
 /*
diff --git a/drivers/i2c/busses/i2c-designware-slave.c b/drivers/i2c/busses/i2c-designware-slave.c
index f5f001738df5..57e67962a602 100644
--- a/drivers/i2c/busses/i2c-designware-slave.c
+++ b/drivers/i2c/busses/i2c-designware-slave.c
@@ -96,7 +96,7 @@ static int i2c_dw_unreg_slave(struct i2c_client *slave)
 	dev->disable(dev);
 	synchronize_irq(dev->irq);
 	dev->slave = NULL;
-	pm_runtime_put(dev->dev);
+	pm_runtime_put_sync_suspend(dev->dev);
 
 	return 0;
 }
diff --git a/drivers/i2c/busses/i2c-imx-lpi2c.c b/drivers/i2c/busses/i2c-imx-lpi2c.c
index a4f90796032b..af5957b7f854 100644
--- a/drivers/i2c/busses/i2c-imx-lpi2c.c
+++ b/drivers/i2c/busses/i2c-imx-lpi2c.c
@@ -626,9 +626,9 @@ static int lpi2c_imx_probe(struct platform_device *pdev)
 	return 0;
 
 rpm_disable:
-	pm_runtime_put(&pdev->dev);
-	pm_runtime_disable(&pdev->dev);
 	pm_runtime_dont_use_autosuspend(&pdev->dev);
+	pm_runtime_put_sync(&pdev->dev);
+	pm_runtime_disable(&pdev->dev);
 
 	return ret;
 }
diff --git a/drivers/i2c/busses/i2c-pxa.c b/drivers/i2c/busses/i2c-pxa.c
index c10ae4778d35..37f936833b1d 100644
--- a/drivers/i2c/busses/i2c-pxa.c
+++ b/drivers/i2c/busses/i2c-pxa.c
@@ -1287,7 +1287,10 @@ static int i2c_pxa_probe(struct platform_device *dev)
 				i2c->adap.name);
 	}
 
-	clk_prepare_enable(i2c->clk);
+	ret = clk_prepare_enable(i2c->clk);
+	if (ret)
+		return dev_err_probe(&dev->dev, ret,
+				     "failed to enable clock\n");
 
 	if (i2c->use_pio) {
 		i2c->adap.algo = &i2c_pxa_pio_algorithm;
diff --git a/drivers/iio/accel/adis16201.c b/drivers/iio/accel/adis16201.c
index 94a80f8fdd10..1ed2c2b63f5b 100644
--- a/drivers/iio/accel/adis16201.c
+++ b/drivers/iio/accel/adis16201.c
@@ -215,9 +215,9 @@ static const struct iio_chan_spec adis16201_channels[] = {
 			BIT(IIO_CHAN_INFO_CALIBBIAS), 0, 14),
 	ADIS_AUX_ADC_CHAN(ADIS16201_AUX_ADC_REG, ADIS16201_SCAN_AUX_ADC, 0, 12),
 	ADIS_INCLI_CHAN(X, ADIS16201_XINCL_OUT_REG, ADIS16201_SCAN_INCLI_X,
-			BIT(IIO_CHAN_INFO_CALIBBIAS), 0, 14),
+			BIT(IIO_CHAN_INFO_CALIBBIAS), 0, 12),
 	ADIS_INCLI_CHAN(Y, ADIS16201_YINCL_OUT_REG, ADIS16201_SCAN_INCLI_Y,
-			BIT(IIO_CHAN_INFO_CALIBBIAS), 0, 14),
+			BIT(IIO_CHAN_INFO_CALIBBIAS), 0, 12),
 	IIO_CHAN_SOFT_TIMESTAMP(7)
 };
 
diff --git a/drivers/iio/adc/dln2-adc.c b/drivers/iio/adc/dln2-adc.c
index d8cfeec3945b..f059ea35a4d1 100644
--- a/drivers/iio/adc/dln2-adc.c
+++ b/drivers/iio/adc/dln2-adc.c
@@ -486,7 +486,7 @@ static irqreturn_t dln2_adc_trigger_h(int irq, void *p)
 	struct iio_dev *indio_dev = pf->indio_dev;
 	struct {
 		__le16 values[DLN2_ADC_MAX_CHANNELS];
-		int64_t timestamp_space;
+		aligned_s64 timestamp_space;
 	} data;
 	struct dln2_adc_get_all_vals dev_data;
 	struct dln2_adc *dln2 = iio_priv(indio_dev);
diff --git a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_buffer.c b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_buffer.c
index 4d89de0be58b..55cebad14c4a 100644
--- a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_buffer.c
+++ b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_buffer.c
@@ -306,6 +306,9 @@ static int st_lsm6dsx_read_fifo(struct st_lsm6dsx_hw *hw)
 	if (fifo_status & cpu_to_le16(ST_LSM6DSX_FIFO_EMPTY_MASK))
 		return 0;
 
+	if (!pattern_len)
+		pattern_len = ST_LSM6DSX_SAMPLE_SIZE;
+
 	fifo_len = (le16_to_cpu(fifo_status) & fifo_diff_mask) *
 		   ST_LSM6DSX_CHAN_SIZE;
 	fifo_len = (fifo_len / pattern_len) * pattern_len;
diff --git a/drivers/infiniband/sw/rxe/rxe_cq.c b/drivers/infiniband/sw/rxe/rxe_cq.c
index a57276f2cb84..34d69d84db6d 100644
--- a/drivers/infiniband/sw/rxe/rxe_cq.c
+++ b/drivers/infiniband/sw/rxe/rxe_cq.c
@@ -96,11 +96,8 @@ int rxe_cq_from_init(struct rxe_dev *rxe, struct rxe_cq *cq, int cqe,
 
 	err = do_mmap_info(rxe, uresp ? &uresp->mi : NULL, context,
 			   cq->queue->buf, cq->queue->buf_size, &cq->queue->ip);
-	if (err) {
-		vfree(cq->queue->buf);
-		kfree(cq->queue);
+	if (err)
 		return err;
-	}
 
 	if (uresp)
 		cq->is_user = 1;
diff --git a/drivers/input/misc/ims-pcu.c b/drivers/input/misc/ims-pcu.c
index ceb42b17bb94..c91c09d1327b 100644
--- a/drivers/input/misc/ims-pcu.c
+++ b/drivers/input/misc/ims-pcu.c
@@ -850,6 +850,12 @@ static int ims_pcu_flash_firmware(struct ims_pcu *pcu,
 		addr = be32_to_cpu(rec->addr) / 2;
 		len = be16_to_cpu(rec->len);
 
+		if (len > sizeof(pcu->cmd_buf) - 1 - sizeof(*fragment)) {
+			dev_err(pcu->dev,
+				"Invalid record length in firmware: %d\n", len);
+			return -EINVAL;
+		}
+
 		fragment = (void *)&pcu->cmd_buf[1];
 		put_unaligned_le32(addr, &fragment->addr);
 		fragment->len = len;
diff --git a/drivers/input/misc/sparcspkr.c b/drivers/input/misc/sparcspkr.c
index f6e1f38267d9..5ea967fd2064 100644
--- a/drivers/input/misc/sparcspkr.c
+++ b/drivers/input/misc/sparcspkr.c
@@ -73,9 +73,14 @@ static int bbc_spkr_event(struct input_dev *dev, unsigned int type, unsigned int
 		return -1;
 
 	switch (code) {
-		case SND_BELL: if (value) value = 1000;
-		case SND_TONE: break;
-		default: return -1;
+	case SND_BELL:
+		if (value)
+			value = 1000;
+		break;
+	case SND_TONE:
+		break;
+	default:
+		return -1;
 	}
 
 	if (value > 20 && value < 32767)
@@ -111,9 +116,14 @@ static int grover_spkr_event(struct input_dev *dev, unsigned int type, unsigned
 		return -1;
 
 	switch (code) {
-		case SND_BELL: if (value) value = 1000;
-		case SND_TONE: break;
-		default: return -1;
+	case SND_BELL:
+		if (value)
+			value = 1000;
+		break;
+	case SND_TONE:
+		break;
+	default:
+		return -1;
 	}
 
 	if (value > 20 && value < 32767)
diff --git a/drivers/input/mouse/synaptics.c b/drivers/input/mouse/synaptics.c
index 833c54af42c3..f1fc4096a33d 100644
--- a/drivers/input/mouse/synaptics.c
+++ b/drivers/input/mouse/synaptics.c
@@ -166,6 +166,7 @@ static const char * const topbuttonpad_pnp_ids[] = {
 
 static const char * const smbus_pnp_ids[] = {
 	/* all of the topbuttonpad_pnp_ids are valid, we just add some extras */
+	"DLL060d", /* Dell Precision M3800 */
 	"LEN0048", /* X1 Carbon 3 */
 	"LEN0046", /* X250 */
 	"LEN0049", /* Yoga 11e */
@@ -188,10 +189,14 @@ static const char * const smbus_pnp_ids[] = {
 	"LEN2044", /* L470  */
 	"LEN2054", /* E480 */
 	"LEN2055", /* E580 */
+	"SYN1221", /* TUXEDO InfinityBook Pro 14 v5 */
+	"SYN3003", /* HP EliteBook 850 G1 */
 	"SYN3052", /* HP EliteBook 840 G4 */
 	"SYN3221", /* HP 15-ay000 */
 	"SYN323d", /* HP Spectre X360 13-w013dx */
 	"SYN3257", /* HP Envy 13-ad105ng */
+	"TOS01f6", /* Dynabook Portege X30L-G */
+	"TOS0213", /* Dynabook Portege X30-D */
 	NULL
 };
 
diff --git a/drivers/input/rmi4/rmi_f34.c b/drivers/input/rmi4/rmi_f34.c
index 87a7d4ba382d..11cf4140c9e5 100644
--- a/drivers/input/rmi4/rmi_f34.c
+++ b/drivers/input/rmi4/rmi_f34.c
@@ -7,6 +7,7 @@
  * the Free Software Foundation.
  */
 
+#include "linux/device.h"
 #include <linux/kernel.h>
 #include <linux/rmi.h>
 #include <linux/firmware.h>
@@ -301,39 +302,30 @@ out:
 	return ret;
 }
 
-static int rmi_f34_status(struct rmi_function *fn)
-{
-	struct f34_data *f34 = dev_get_drvdata(&fn->dev);
-
-	/*
-	 * The status is the percentage complete, or once complete,
-	 * zero for success or a negative return code.
-	 */
-	return f34->update_status;
-}
-
 static ssize_t rmi_driver_bootloader_id_show(struct device *dev,
 					     struct device_attribute *dattr,
 					     char *buf)
 {
 	struct rmi_driver_data *data = dev_get_drvdata(dev);
-	struct rmi_function *fn = data->f34_container;
+	struct rmi_function *fn;
 	struct f34_data *f34;
 
-	if (fn) {
-		f34 = dev_get_drvdata(&fn->dev);
+	fn = data->f34_container;
+	if (!fn)
+		return -ENODEV;
 
-		if (f34->bl_version == 5)
-			return scnprintf(buf, PAGE_SIZE, "%c%c\n",
-					 f34->bootloader_id[0],
-					 f34->bootloader_id[1]);
-		else
-			return scnprintf(buf, PAGE_SIZE, "V%d.%d\n",
-					 f34->bootloader_id[1],
-					 f34->bootloader_id[0]);
-	}
+	f34 = dev_get_drvdata(&fn->dev);
+	if (!f34)
+		return -ENODEV;
 
-	return 0;
+	if (f34->bl_version == 5)
+		return sysfs_emit(buf, "%c%c\n",
+				  f34->bootloader_id[0],
+				  f34->bootloader_id[1]);
+	else
+		return sysfs_emit(buf, "V%d.%d\n",
+				  f34->bootloader_id[1],
+				  f34->bootloader_id[0]);
 }
 
 static DEVICE_ATTR(bootloader_id, 0444, rmi_driver_bootloader_id_show, NULL);
@@ -346,13 +338,16 @@ static ssize_t rmi_driver_configuration_id_show(struct device *dev,
 	struct rmi_function *fn = data->f34_container;
 	struct f34_data *f34;
 
-	if (fn) {
-		f34 = dev_get_drvdata(&fn->dev);
+	fn = data->f34_container;
+	if (!fn)
+		return -ENODEV;
 
-		return scnprintf(buf, PAGE_SIZE, "%s\n", f34->configuration_id);
-	}
+	f34 = dev_get_drvdata(&fn->dev);
+	if (!f34)
+		return -ENODEV;
 
-	return 0;
+
+	return sysfs_emit(buf, "%s\n", f34->configuration_id);
 }
 
 static DEVICE_ATTR(configuration_id, 0444,
@@ -368,10 +363,14 @@ static int rmi_firmware_update(struct rmi_driver_data *data,
 
 	if (!data->f34_container) {
 		dev_warn(dev, "%s: No F34 present!\n", __func__);
-		return -EINVAL;
+		return -ENODEV;
 	}
 
 	f34 = dev_get_drvdata(&data->f34_container->dev);
+	if (!f34) {
+		dev_warn(dev, "%s: No valid F34 present!\n", __func__);
+		return -ENODEV;
+	}
 
 	if (f34->bl_version == 7) {
 		if (data->pdt_props & HAS_BSR) {
@@ -497,12 +496,20 @@ static ssize_t rmi_driver_update_fw_status_show(struct device *dev,
 						char *buf)
 {
 	struct rmi_driver_data *data = dev_get_drvdata(dev);
-	int update_status = 0;
+	struct f34_data *f34;
+	int update_status = -ENODEV;
 
-	if (data->f34_container)
-		update_status = rmi_f34_status(data->f34_container);
+	/*
+	 * The status is the percentage complete, or once complete,
+	 * zero for success or a negative return code.
+	 */
+	if (data->f34_container) {
+		f34 = dev_get_drvdata(&data->f34_container->dev);
+		if (f34)
+			update_status = f34->update_status;
+	}
 
-	return scnprintf(buf, PAGE_SIZE, "%d\n", update_status);
+	return sysfs_emit(buf, "%d\n", update_status);
 }
 
 static DEVICE_ATTR(update_fw_status, 0444,
@@ -520,33 +527,21 @@ static const struct attribute_group rmi_firmware_attr_group = {
 	.attrs = rmi_firmware_attrs,
 };
 
-static int rmi_f34_probe(struct rmi_function *fn)
+static int rmi_f34v5_probe(struct f34_data *f34)
 {
-	struct f34_data *f34;
-	unsigned char f34_queries[9];
+	struct rmi_function *fn = f34->fn;
+	u8 f34_queries[9];
 	bool has_config_id;
-	u8 version = fn->fd.function_version;
-	int ret;
-
-	f34 = devm_kzalloc(&fn->dev, sizeof(struct f34_data), GFP_KERNEL);
-	if (!f34)
-		return -ENOMEM;
-
-	f34->fn = fn;
-	dev_set_drvdata(&fn->dev, f34);
-
-	/* v5 code only supported version 0, try V7 probe */
-	if (version > 0)
-		return rmi_f34v7_probe(f34);
+	int error;
 
 	f34->bl_version = 5;
 
-	ret = rmi_read_block(fn->rmi_dev, fn->fd.query_base_addr,
-			     f34_queries, sizeof(f34_queries));
-	if (ret) {
+	error = rmi_read_block(fn->rmi_dev, fn->fd.query_base_addr,
+			       f34_queries, sizeof(f34_queries));
+	if (error) {
 		dev_err(&fn->dev, "%s: Failed to query properties\n",
 			__func__);
-		return ret;
+		return error;
 	}
 
 	snprintf(f34->bootloader_id, sizeof(f34->bootloader_id),
@@ -572,11 +567,11 @@ static int rmi_f34_probe(struct rmi_function *fn)
 		f34->v5.config_blocks);
 
 	if (has_config_id) {
-		ret = rmi_read_block(fn->rmi_dev, fn->fd.control_base_addr,
-				     f34_queries, sizeof(f34_queries));
-		if (ret) {
+		error = rmi_read_block(fn->rmi_dev, fn->fd.control_base_addr,
+				       f34_queries, sizeof(f34_queries));
+		if (error) {
 			dev_err(&fn->dev, "Failed to read F34 config ID\n");
-			return ret;
+			return error;
 		}
 
 		snprintf(f34->configuration_id, sizeof(f34->configuration_id),
@@ -585,12 +580,34 @@ static int rmi_f34_probe(struct rmi_function *fn)
 			 f34_queries[2], f34_queries[3]);
 
 		rmi_dbg(RMI_DEBUG_FN, &fn->dev, "Configuration ID: %s\n",
-			 f34->configuration_id);
+			f34->configuration_id);
 	}
 
 	return 0;
 }
 
+static int rmi_f34_probe(struct rmi_function *fn)
+{
+	struct f34_data *f34;
+	u8 version = fn->fd.function_version;
+	int error;
+
+	f34 = devm_kzalloc(&fn->dev, sizeof(struct f34_data), GFP_KERNEL);
+	if (!f34)
+		return -ENOMEM;
+
+	f34->fn = fn;
+
+	/* v5 code only supported version 0 */
+	error = version == 0 ? rmi_f34v5_probe(f34) : rmi_f34v7_probe(f34);
+	if (error)
+		return error;
+
+	dev_set_drvdata(&fn->dev, f34);
+
+	return 0;
+}
+
 int rmi_f34_create_sysfs(struct rmi_device *rmi_dev)
 {
 	return sysfs_create_group(&rmi_dev->dev.kobj, &rmi_firmware_attr_group);
diff --git a/drivers/iommu/amd_iommu_init.c b/drivers/iommu/amd_iommu_init.c
index 565308e5ced7..ec0ff985789f 100644
--- a/drivers/iommu/amd_iommu_init.c
+++ b/drivers/iommu/amd_iommu_init.c
@@ -2965,6 +2965,14 @@ static int __init parse_ivrs_acpihid(char *str)
 	while (*uid == '0' && *(uid + 1))
 		uid++;
 
+	if (strlen(hid) >= ACPIHID_HID_LEN) {
+		pr_err("Invalid command line: hid is too long\n");
+		return 1;
+	} else if (strlen(uid) >= ACPIHID_UID_LEN) {
+		pr_err("Invalid command line: uid is too long\n");
+		return 1;
+	}
+
 	i = early_acpihid_map_size++;
 	memcpy(early_acpihid_map[i].hid, hid, strlen(hid));
 	memcpy(early_acpihid_map[i].uid, uid, strlen(uid));
diff --git a/drivers/irqchip/irq-gic-v2m.c b/drivers/irqchip/irq-gic-v2m.c
index f5fe0100f9ff..da0bd7553ba2 100644
--- a/drivers/irqchip/irq-gic-v2m.c
+++ b/drivers/irqchip/irq-gic-v2m.c
@@ -381,7 +381,7 @@ err_free_v2m:
 	return ret;
 }
 
-static struct of_device_id gicv2m_device_id[] = {
+static const struct of_device_id gicv2m_device_id[] = {
 	{	.compatible	= "arm,gic-v2m-frame",	},
 	{},
 };
diff --git a/drivers/mailbox/mailbox.c b/drivers/mailbox/mailbox.c
index aa28fdcb81b9..26064267590c 100644
--- a/drivers/mailbox/mailbox.c
+++ b/drivers/mailbox/mailbox.c
@@ -324,11 +324,12 @@ struct mbox_chan *mbox_request_channel(struct mbox_client *cl, int index)
 
 	mutex_lock(&con_mutex);
 
-	if (of_parse_phandle_with_args(dev->of_node, "mboxes",
-				       "#mbox-cells", index, &spec)) {
+	ret = of_parse_phandle_with_args(dev->of_node, "mboxes", "#mbox-cells",
+					 index, &spec);
+	if (ret) {
 		dev_dbg(dev, "%s: can't parse \"mboxes\" property\n", __func__);
 		mutex_unlock(&con_mutex);
-		return ERR_PTR(-ENODEV);
+		return ERR_PTR(ret);
 	}
 
 	chan = ERR_PTR(-EPROBE_DEFER);
diff --git a/drivers/md/dm-cache-target.c b/drivers/md/dm-cache-target.c
index 016212f9991d..0573b9f78815 100644
--- a/drivers/md/dm-cache-target.c
+++ b/drivers/md/dm-cache-target.c
@@ -2988,6 +2988,27 @@ static dm_cblock_t get_cache_dev_size(struct cache *cache)
 	return to_cblock(size);
 }
 
+static bool can_resume(struct cache *cache)
+{
+	/*
+	 * Disallow retrying the resume operation for devices that failed the
+	 * first resume attempt, as the failure leaves the policy object partially
+	 * initialized. Retrying could trigger BUG_ON when loading cache mappings
+	 * into the incomplete policy object.
+	 */
+	if (cache->sized && !cache->loaded_mappings) {
+		if (get_cache_mode(cache) != CM_WRITE)
+			DMERR("%s: unable to resume a failed-loaded cache, please check metadata.",
+			      cache_device_name(cache));
+		else
+			DMERR("%s: unable to resume cache due to missing proper cache table reload",
+			      cache_device_name(cache));
+		return false;
+	}
+
+	return true;
+}
+
 static bool can_resize(struct cache *cache, dm_cblock_t new_size)
 {
 	if (from_cblock(new_size) > from_cblock(cache->cache_size)) {
@@ -3036,6 +3057,9 @@ static int cache_preresume(struct dm_target *ti)
 	struct cache *cache = ti->private;
 	dm_cblock_t csize = get_cache_dev_size(cache);
 
+	if (!can_resume(cache))
+		return -EINVAL;
+
 	/*
 	 * Check to see if the cache has resized.
 	 */
diff --git a/drivers/md/dm-raid1.c b/drivers/md/dm-raid1.c
index 5a51151f680d..048663122863 100644
--- a/drivers/md/dm-raid1.c
+++ b/drivers/md/dm-raid1.c
@@ -128,10 +128,9 @@ static void queue_bio(struct mirror_set *ms, struct bio *bio, int rw)
 	spin_lock_irqsave(&ms->lock, flags);
 	should_wake = !(bl->head);
 	bio_list_add(bl, bio);
-	spin_unlock_irqrestore(&ms->lock, flags);
-
 	if (should_wake)
 		wakeup_mirrord(ms);
+	spin_unlock_irqrestore(&ms->lock, flags);
 }
 
 static void dispatch_bios(void *context, struct bio_list *bio_list)
@@ -638,9 +637,9 @@ static void write_callback(unsigned long error, void *context)
 	if (!ms->failures.head)
 		should_wake = 1;
 	bio_list_add(&ms->failures, bio);
-	spin_unlock_irqrestore(&ms->lock, flags);
 	if (should_wake)
 		wakeup_mirrord(ms);
+	spin_unlock_irqrestore(&ms->lock, flags);
 }
 
 static void do_write(struct mirror_set *ms, struct bio *bio)
diff --git a/drivers/md/dm-table.c b/drivers/md/dm-table.c
index 4822f66b08d9..832090ab4626 100644
--- a/drivers/md/dm-table.c
+++ b/drivers/md/dm-table.c
@@ -576,8 +576,9 @@ static char **realloc_argv(unsigned *size, char **old_argv)
 		gfp = GFP_NOIO;
 	}
 	argv = kmalloc_array(new_size, sizeof(*argv), gfp);
-	if (argv && old_argv) {
-		memcpy(argv, old_argv, *size * sizeof(*argv));
+	if (argv) {
+		if (old_argv)
+			memcpy(argv, old_argv, *size * sizeof(*argv));
 		*size = new_size;
 	}
 
@@ -744,6 +745,10 @@ int dm_table_add_target(struct dm_table *t, const char *type,
 		DMERR("%s: zero-length target", dm_device_name(t->md));
 		return -EINVAL;
 	}
+	if (start + len < start || start + len > LLONG_MAX >> SECTOR_SHIFT) {
+		DMERR("%s: too large device", dm_device_name(t->md));
+		return -EINVAL;
+	}
 
 	tgt->type = dm_get_target_type(type);
 	if (!tgt->type) {
diff --git a/drivers/media/i2c/tc358743.c b/drivers/media/i2c/tc358743.c
index ade84eadb61b..92f03efc82e7 100644
--- a/drivers/media/i2c/tc358743.c
+++ b/drivers/media/i2c/tc358743.c
@@ -309,6 +309,10 @@ static int tc358743_get_detected_timings(struct v4l2_subdev *sd,
 
 	memset(timings, 0, sizeof(struct v4l2_dv_timings));
 
+	/* if HPD is low, ignore any video */
+	if (!(i2c_rd8(sd, HPD_CTL) & MASK_HPD_OUT0))
+		return -ENOLINK;
+
 	if (no_signal(sd)) {
 		v4l2_dbg(1, debug, sd, "%s: no valid signal\n", __func__);
 		return -ENOLINK;
diff --git a/drivers/media/platform/exynos4-is/fimc-is-regs.c b/drivers/media/platform/exynos4-is/fimc-is-regs.c
index e0e291066037..931eca0f50f2 100644
--- a/drivers/media/platform/exynos4-is/fimc-is-regs.c
+++ b/drivers/media/platform/exynos4-is/fimc-is-regs.c
@@ -167,6 +167,7 @@ int fimc_is_hw_change_mode(struct fimc_is *is)
 	if (WARN_ON(is->config_index >= ARRAY_SIZE(cmd)))
 		return -EINVAL;
 
+	fimc_is_hw_wait_intmsr0_intmsd0(is);
 	mcuctl_write(cmd[is->config_index], is, MCUCTL_REG_ISSR(0));
 	mcuctl_write(is->sensor_index, is, MCUCTL_REG_ISSR(1));
 	mcuctl_write(is->setfile.sub_index, is, MCUCTL_REG_ISSR(2));
diff --git a/drivers/media/platform/sti/c8sectpfe/c8sectpfe-core.c b/drivers/media/platform/sti/c8sectpfe/c8sectpfe-core.c
index 98c14565bbfd..a93ed68a815d 100644
--- a/drivers/media/platform/sti/c8sectpfe/c8sectpfe-core.c
+++ b/drivers/media/platform/sti/c8sectpfe/c8sectpfe-core.c
@@ -817,13 +817,12 @@ static int c8sectpfe_probe(struct platform_device *pdev)
 		}
 		tsin->i2c_adapter =
 			of_find_i2c_adapter_by_node(i2c_bus);
+		of_node_put(i2c_bus);
 		if (!tsin->i2c_adapter) {
 			dev_err(&pdev->dev, "No i2c adapter found\n");
-			of_node_put(i2c_bus);
 			ret = -ENODEV;
 			goto err_clk_disable;
 		}
-		of_node_put(i2c_bus);
 
 		tsin->rst_gpio = of_get_named_gpio(child, "reset-gpios", 0);
 
diff --git a/drivers/media/usb/cx231xx/cx231xx-417.c b/drivers/media/usb/cx231xx/cx231xx-417.c
index 2f3b0564d676..d16bd46e677e 100644
--- a/drivers/media/usb/cx231xx/cx231xx-417.c
+++ b/drivers/media/usb/cx231xx/cx231xx-417.c
@@ -1956,6 +1956,8 @@ static void cx231xx_video_dev_init(
 	vfd->lock = &dev->lock;
 	vfd->release = video_device_release_empty;
 	vfd->ctrl_handler = &dev->mpeg_ctrl_handler.hdl;
+	vfd->device_caps = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING |
+			   V4L2_CAP_VIDEO_CAPTURE;
 	video_set_drvdata(vfd, dev);
 	if (dev->tuner_type == TUNER_ABSENT) {
 		v4l2_disable_ioctl(vfd, VIDIOC_G_FREQUENCY);
diff --git a/drivers/media/usb/gspca/stv06xx/stv06xx_hdcs.c b/drivers/media/usb/gspca/stv06xx/stv06xx_hdcs.c
index d8db2c89718f..394a5cdec1a8 100644
--- a/drivers/media/usb/gspca/stv06xx/stv06xx_hdcs.c
+++ b/drivers/media/usb/gspca/stv06xx/stv06xx_hdcs.c
@@ -529,12 +529,13 @@ static int hdcs_init(struct sd *sd)
 static int hdcs_dump(struct sd *sd)
 {
 	u16 reg, val;
+	int err = 0;
 
 	pr_info("Dumping sensor registers:\n");
 
-	for (reg = HDCS_IDENT; reg <= HDCS_ROWEXPH; reg++) {
-		stv06xx_read_sensor(sd, reg, &val);
+	for (reg = HDCS_IDENT; reg <= HDCS_ROWEXPH && !err; reg++) {
+		err = stv06xx_read_sensor(sd, reg, &val);
 		pr_info("reg 0x%02x = 0x%02x\n", reg, val);
 	}
-	return 0;
+	return (err < 0) ? err : 0;
 }
diff --git a/drivers/media/v4l2-core/v4l2-dev.c b/drivers/media/v4l2-core/v4l2-dev.c
index d9c9b5b3e879..9e9264bcffbf 100644
--- a/drivers/media/v4l2-core/v4l2-dev.c
+++ b/drivers/media/v4l2-core/v4l2-dev.c
@@ -979,25 +979,25 @@ int __video_register_device(struct video_device *vdev,
 	vdev->dev.class = &video_class;
 	vdev->dev.devt = MKDEV(VIDEO_MAJOR, vdev->minor);
 	vdev->dev.parent = vdev->dev_parent;
+	vdev->dev.release = v4l2_device_release;
 	dev_set_name(&vdev->dev, "%s%d", name_base, vdev->num);
+
+	/* Increase v4l2_device refcount */
+	v4l2_device_get(vdev->v4l2_dev);
+
 	mutex_lock(&videodev_lock);
 	ret = device_register(&vdev->dev);
 	if (ret < 0) {
 		mutex_unlock(&videodev_lock);
 		pr_err("%s: device_register failed\n", __func__);
-		goto cleanup;
+		put_device(&vdev->dev);
+		return ret;
 	}
-	/* Register the release callback that will be called when the last
-	   reference to the device goes away. */
-	vdev->dev.release = v4l2_device_release;
 
 	if (nr != -1 && nr != vdev->num && warn_if_nr_in_use)
 		pr_warn("%s: requested %s%d, got %s\n", __func__,
 			name_base, nr, video_device_node_name(vdev));
 
-	/* Increase v4l2_device refcount */
-	v4l2_device_get(vdev->v4l2_dev);
-
 	/* Part 5: Register the entity. */
 	ret = video_register_media_controller(vdev);
 
diff --git a/drivers/mfd/exynos-lpass.c b/drivers/mfd/exynos-lpass.c
index ca829f85672f..a03f4b149979 100644
--- a/drivers/mfd/exynos-lpass.c
+++ b/drivers/mfd/exynos-lpass.c
@@ -145,7 +145,6 @@ static int exynos_lpass_remove(struct platform_device *pdev)
 {
 	struct exynos_lpass *lpass = platform_get_drvdata(pdev);
 
-	exynos_lpass_disable(lpass);
 	pm_runtime_disable(&pdev->dev);
 	if (!pm_runtime_status_suspended(&pdev->dev))
 		exynos_lpass_disable(lpass);
diff --git a/drivers/mfd/stmpe-spi.c b/drivers/mfd/stmpe-spi.c
index f8b14ab8b9d7..4c75d8fb1e21 100644
--- a/drivers/mfd/stmpe-spi.c
+++ b/drivers/mfd/stmpe-spi.c
@@ -129,7 +129,7 @@ static const struct spi_device_id stmpe_spi_id[] = {
 	{ "stmpe2403", STMPE2403 },
 	{ }
 };
-MODULE_DEVICE_TABLE(spi, stmpe_id);
+MODULE_DEVICE_TABLE(spi, stmpe_spi_id);
 
 static struct spi_driver stmpe_spi_driver = {
 	.driver = {
diff --git a/drivers/misc/aspeed-lpc-snoop.c b/drivers/misc/aspeed-lpc-snoop.c
index e2cb0b9607d1..1932c4dea155 100644
--- a/drivers/misc/aspeed-lpc-snoop.c
+++ b/drivers/misc/aspeed-lpc-snoop.c
@@ -172,7 +172,7 @@ static int aspeed_lpc_snoop_config_irq(struct aspeed_lpc_snoop *lpc_snoop,
 	int rc;
 
 	lpc_snoop->irq = platform_get_irq(pdev, 0);
-	if (!lpc_snoop->irq)
+	if (lpc_snoop->irq < 0)
 		return -ENODEV;
 
 	rc = devm_request_irq(dev, lpc_snoop->irq,
@@ -206,11 +206,15 @@ static int aspeed_lpc_enable_snoop(struct aspeed_lpc_snoop *lpc_snoop,
 	lpc_snoop->chan[channel].miscdev.minor = MISC_DYNAMIC_MINOR;
 	lpc_snoop->chan[channel].miscdev.name =
 		devm_kasprintf(dev, GFP_KERNEL, "%s%d", DEVICE_NAME, channel);
+	if (!lpc_snoop->chan[channel].miscdev.name) {
+		rc = -ENOMEM;
+		goto err_free_fifo;
+	}
 	lpc_snoop->chan[channel].miscdev.fops = &snoop_fops;
 	lpc_snoop->chan[channel].miscdev.parent = dev;
 	rc = misc_register(&lpc_snoop->chan[channel].miscdev);
 	if (rc)
-		return rc;
+		goto err_free_fifo;
 
 	/* Enable LPC snoop channel at requested port */
 	switch (channel) {
@@ -227,7 +231,8 @@ static int aspeed_lpc_enable_snoop(struct aspeed_lpc_snoop *lpc_snoop,
 		hicrb_en = HICRB_ENSNP1D;
 		break;
 	default:
-		return -EINVAL;
+		rc = -EINVAL;
+		goto err_misc_deregister;
 	}
 
 	regmap_update_bits(lpc_snoop->regmap, HICR5, hicr5_en, hicr5_en);
@@ -237,6 +242,12 @@ static int aspeed_lpc_enable_snoop(struct aspeed_lpc_snoop *lpc_snoop,
 		regmap_update_bits(lpc_snoop->regmap, HICRB,
 				hicrb_en, hicrb_en);
 
+	return 0;
+
+err_misc_deregister:
+	misc_deregister(&lpc_snoop->chan[channel].miscdev);
+err_free_fifo:
+	kfifo_free(&lpc_snoop->chan[channel].fifo);
 	return rc;
 }
 
diff --git a/drivers/mmc/host/sdhci-pci-core.c b/drivers/mmc/host/sdhci-pci-core.c
index 26db5688816d..e09875e4b7ce 100644
--- a/drivers/mmc/host/sdhci-pci-core.c
+++ b/drivers/mmc/host/sdhci-pci-core.c
@@ -612,8 +612,12 @@ static void sdhci_intel_set_power(struct sdhci_host *host, unsigned char mode,
 
 	sdhci_set_power(host, mode, vdd);
 
-	if (mode == MMC_POWER_OFF)
+	if (mode == MMC_POWER_OFF) {
+		if (slot->chip->pdev->device == PCI_DEVICE_ID_INTEL_APL_SD ||
+		    slot->chip->pdev->device == PCI_DEVICE_ID_INTEL_BYT_SD)
+			usleep_range(15000, 17500);
 		return;
+	}
 
 	/*
 	 * Bus power might not enable after D3 -> D0 transition due to the
diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
index b7afbeeca08a..b42f0c53239f 100644
--- a/drivers/mmc/host/sdhci.c
+++ b/drivers/mmc/host/sdhci.c
@@ -1533,10 +1533,15 @@ void sdhci_set_clock(struct sdhci_host *host, unsigned int clock)
 
 	host->mmc->actual_clock = 0;
 
-	sdhci_writew(host, 0, SDHCI_CLOCK_CONTROL);
+	clk = sdhci_readw(host, SDHCI_CLOCK_CONTROL);
+	if (clk & SDHCI_CLOCK_CARD_EN)
+		sdhci_writew(host, clk & ~SDHCI_CLOCK_CARD_EN,
+			SDHCI_CLOCK_CONTROL);
 
-	if (clock == 0)
+	if (clock == 0) {
+		sdhci_writew(host, 0, SDHCI_CLOCK_CONTROL);
 		return;
+	}
 
 	clk = sdhci_calc_clk(host, clock, &host->mmc->actual_clock);
 	sdhci_enable_clk(host, clk);
@@ -1968,11 +1973,8 @@ static int sdhci_get_cd(struct mmc_host *mmc)
 
 static int sdhci_check_ro(struct sdhci_host *host)
 {
-	unsigned long flags;
 	int is_readonly;
 
-	spin_lock_irqsave(&host->lock, flags);
-
 	if (host->flags & SDHCI_DEVICE_DEAD)
 		is_readonly = 0;
 	else if (host->ops->get_ro)
@@ -1981,8 +1983,6 @@ static int sdhci_check_ro(struct sdhci_host *host)
 		is_readonly = !(sdhci_readl(host, SDHCI_PRESENT_STATE)
 				& SDHCI_WRITE_PROTECT);
 
-	spin_unlock_irqrestore(&host->lock, flags);
-
 	/* This quirk needs to be replaced by a callback-function later */
 	return host->quirks & SDHCI_QUIRK_INVERTED_WRITE_PROTECT ?
 		!is_readonly : is_readonly;
diff --git a/drivers/mtd/nand/raw/sunxi_nand.c b/drivers/mtd/nand/raw/sunxi_nand.c
index fe7bfcdf7c69..9918d30fa353 100644
--- a/drivers/mtd/nand/raw/sunxi_nand.c
+++ b/drivers/mtd/nand/raw/sunxi_nand.c
@@ -922,6 +922,7 @@ static int sunxi_nfc_hw_ecc_read_chunk(struct mtd_info *mtd,
 	if (ret)
 		return ret;
 
+	sunxi_nfc_randomizer_config(mtd, page, false);
 	sunxi_nfc_randomizer_enable(mtd);
 	writel(NFC_DATA_TRANS | NFC_DATA_SWAP_METHOD | NFC_ECC_OP,
 	       nfc->regs + NFC_REG_CMD);
@@ -1150,6 +1151,7 @@ static int sunxi_nfc_hw_ecc_write_chunk(struct mtd_info *mtd,
 	if (ret)
 		return ret;
 
+	sunxi_nfc_randomizer_config(mtd, page, false);
 	sunxi_nfc_randomizer_enable(mtd);
 	sunxi_nfc_hw_ecc_set_prot_oob_bytes(mtd, oob, 0, bbm, page);
 
diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index f0c0da85ba4f..61bd33624882 100644
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -1935,7 +1935,7 @@ static int __bond_release_one(struct net_device *bond_dev,
 
 	RCU_INIT_POINTER(bond->current_arp_slave, NULL);
 
-	if (!all && (!bond->params.fail_over_mac ||
+	if (!all && (bond->params.fail_over_mac != BOND_FOM_ACTIVE ||
 		     BOND_MODE(bond) != BOND_MODE_ACTIVEBACKUP)) {
 		if (ether_addr_equal_64bits(bond_dev->dev_addr, slave->perm_hwaddr) &&
 		    bond_has_slaves(bond))
diff --git a/drivers/net/dsa/b53/b53_common.c b/drivers/net/dsa/b53/b53_common.c
index 182647869c41..055f8baa310e 100644
--- a/drivers/net/dsa/b53/b53_common.c
+++ b/drivers/net/dsa/b53/b53_common.c
@@ -373,7 +373,7 @@ static void b53_enable_vlan(struct b53_device *dev, bool enable,
 			vc4 |= VC4_ING_VID_VIO_DROP << VC4_ING_VID_CHECK_S;
 			vc5 |= VC5_DROP_VTABLE_MISS;
 		} else {
-			vc4 |= VC4_ING_VID_VIO_FWD << VC4_ING_VID_CHECK_S;
+			vc4 |= VC4_NO_ING_VID_CHK << VC4_ING_VID_CHECK_S;
 			vc5 &= ~VC5_DROP_VTABLE_MISS;
 		}
 
diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-desc.c b/drivers/net/ethernet/amd/xgbe/xgbe-desc.c
index 533094233659..33721273e460 100644
--- a/drivers/net/ethernet/amd/xgbe/xgbe-desc.c
+++ b/drivers/net/ethernet/amd/xgbe/xgbe-desc.c
@@ -373,8 +373,13 @@ static int xgbe_map_rx_buffer(struct xgbe_prv_data *pdata,
 	}
 
 	/* Set up the header page info */
-	xgbe_set_buffer_data(&rdata->rx.hdr, &ring->rx_hdr_pa,
-			     XGBE_SKB_ALLOC_SIZE);
+	if (pdata->netdev->features & NETIF_F_RXCSUM) {
+		xgbe_set_buffer_data(&rdata->rx.hdr, &ring->rx_hdr_pa,
+				     XGBE_SKB_ALLOC_SIZE);
+	} else {
+		xgbe_set_buffer_data(&rdata->rx.hdr, &ring->rx_hdr_pa,
+				     pdata->rx_buf_size);
+	}
 
 	/* Set up the buffer page info */
 	xgbe_set_buffer_data(&rdata->rx.buf, &ring->rx_buf_pa,
diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-dev.c b/drivers/net/ethernet/amd/xgbe/xgbe-dev.c
index 9d6fe5a892d9..df7b042a719e 100644
--- a/drivers/net/ethernet/amd/xgbe/xgbe-dev.c
+++ b/drivers/net/ethernet/amd/xgbe/xgbe-dev.c
@@ -320,6 +320,18 @@ static void xgbe_config_sph_mode(struct xgbe_prv_data *pdata)
 	XGMAC_IOWRITE_BITS(pdata, MAC_RCR, HDSMS, XGBE_SPH_HDSMS_SIZE);
 }
 
+static void xgbe_disable_sph_mode(struct xgbe_prv_data *pdata)
+{
+	unsigned int i;
+
+	for (i = 0; i < pdata->channel_count; i++) {
+		if (!pdata->channel[i]->rx_ring)
+			break;
+
+		XGMAC_DMA_IOWRITE_BITS(pdata->channel[i], DMA_CH_CR, SPH, 0);
+	}
+}
+
 static int xgbe_write_rss_reg(struct xgbe_prv_data *pdata, unsigned int type,
 			      unsigned int index, unsigned int val)
 {
@@ -3495,8 +3507,12 @@ static int xgbe_init(struct xgbe_prv_data *pdata)
 	xgbe_config_tx_coalesce(pdata);
 	xgbe_config_rx_buffer_size(pdata);
 	xgbe_config_tso_mode(pdata);
-	xgbe_config_sph_mode(pdata);
-	xgbe_config_rss(pdata);
+
+	if (pdata->netdev->features & NETIF_F_RXCSUM) {
+		xgbe_config_sph_mode(pdata);
+		xgbe_config_rss(pdata);
+	}
+
 	desc_if->wrapper_tx_desc_init(pdata);
 	desc_if->wrapper_rx_desc_init(pdata);
 	xgbe_enable_dma_interrupts(pdata);
@@ -3650,5 +3666,9 @@ void xgbe_init_function_ptrs_dev(struct xgbe_hw_if *hw_if)
 	hw_if->disable_vxlan = xgbe_disable_vxlan;
 	hw_if->set_vxlan_id = xgbe_set_vxlan_id;
 
+	/* For Split Header*/
+	hw_if->enable_sph = xgbe_config_sph_mode;
+	hw_if->disable_sph = xgbe_disable_sph_mode;
+
 	DBGPR("<--xgbe_init_function_ptrs\n");
 }
diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-drv.c b/drivers/net/ethernet/amd/xgbe/xgbe-drv.c
index ec089b3a8aa2..3b5405cf3822 100644
--- a/drivers/net/ethernet/amd/xgbe/xgbe-drv.c
+++ b/drivers/net/ethernet/amd/xgbe/xgbe-drv.c
@@ -2373,10 +2373,17 @@ static int xgbe_set_features(struct net_device *netdev,
 	if (ret)
 		return ret;
 
-	if ((features & NETIF_F_RXCSUM) && !rxcsum)
+	if ((features & NETIF_F_RXCSUM) && !rxcsum) {
+		hw_if->enable_sph(pdata);
+		hw_if->enable_vxlan(pdata);
 		hw_if->enable_rx_csum(pdata);
-	else if (!(features & NETIF_F_RXCSUM) && rxcsum)
+		schedule_work(&pdata->restart_work);
+	} else if (!(features & NETIF_F_RXCSUM) && rxcsum) {
+		hw_if->disable_sph(pdata);
+		hw_if->disable_vxlan(pdata);
 		hw_if->disable_rx_csum(pdata);
+		schedule_work(&pdata->restart_work);
+	}
 
 	if ((features & NETIF_F_HW_VLAN_CTAG_RX) && !rxvlan)
 		hw_if->enable_rx_vlan_stripping(pdata);
diff --git a/drivers/net/ethernet/amd/xgbe/xgbe.h b/drivers/net/ethernet/amd/xgbe/xgbe.h
index 729307a96c50..a27979ef7b1c 100644
--- a/drivers/net/ethernet/amd/xgbe/xgbe.h
+++ b/drivers/net/ethernet/amd/xgbe/xgbe.h
@@ -834,6 +834,10 @@ struct xgbe_hw_if {
 	void (*enable_vxlan)(struct xgbe_prv_data *);
 	void (*disable_vxlan)(struct xgbe_prv_data *);
 	void (*set_vxlan_id)(struct xgbe_prv_data *);
+
+	/* For Split Header */
+	void (*enable_sph)(struct xgbe_prv_data *pdata);
+	void (*disable_sph)(struct xgbe_prv_data *pdata);
 };
 
 /* This structure represents implementation specific routines for an
diff --git a/drivers/net/ethernet/apm/xgene-v2/main.c b/drivers/net/ethernet/apm/xgene-v2/main.c
index 7f37e7cb687e..24414ab58ad8 100644
--- a/drivers/net/ethernet/apm/xgene-v2/main.c
+++ b/drivers/net/ethernet/apm/xgene-v2/main.c
@@ -21,8 +21,6 @@
 
 #include "main.h"
 
-static const struct acpi_device_id xge_acpi_match[];
-
 static int xge_get_resources(struct xge_pdata *pdata)
 {
 	struct platform_device *pdev;
@@ -747,7 +745,7 @@ MODULE_DEVICE_TABLE(acpi, xge_acpi_match);
 static struct platform_driver xge_driver = {
 	.driver = {
 		   .name = "xgene-enet-v2",
-		   .acpi_match_table = ACPI_PTR(xge_acpi_match),
+		   .acpi_match_table = xge_acpi_match,
 	},
 	.probe = xge_probe,
 	.remove = xge_remove,
diff --git a/drivers/net/ethernet/cadence/macb_main.c b/drivers/net/ethernet/cadence/macb_main.c
index 3b2262f05902..f9d335d00d89 100644
--- a/drivers/net/ethernet/cadence/macb_main.c
+++ b/drivers/net/ethernet/cadence/macb_main.c
@@ -4109,7 +4109,11 @@ static int macb_probe(struct platform_device *pdev)
 
 #ifdef CONFIG_ARCH_DMA_ADDR_T_64BIT
 	if (GEM_BFEXT(DAW64, gem_readl(bp, DCFG6))) {
-		dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(44));
+		err = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(44));
+		if (err) {
+			dev_err(&pdev->dev, "failed to set DMA mask\n");
+			goto err_out_free_netdev;
+		}
 		bp->hw_dma_cap |= HW_DMA_CAP_64B;
 	}
 #endif
diff --git a/drivers/net/ethernet/dlink/dl2k.c b/drivers/net/ethernet/dlink/dl2k.c
index f0536b16b3c3..4d05eefdc442 100644
--- a/drivers/net/ethernet/dlink/dl2k.c
+++ b/drivers/net/ethernet/dlink/dl2k.c
@@ -158,6 +158,8 @@ rio_probe1 (struct pci_dev *pdev, const struct pci_device_id *ent)
 	np->ioaddr = ioaddr;
 	np->chip_id = chip_idx;
 	np->pdev = pdev;
+
+	spin_lock_init(&np->stats_lock);
 	spin_lock_init (&np->tx_lock);
 	spin_lock_init (&np->rx_lock);
 
@@ -361,7 +363,7 @@ parse_eeprom (struct net_device *dev)
 		dev->dev_addr[i] = psrom->mac_addr[i];
 
 	if (np->chip_id == CHIP_IP1000A) {
-		np->led_mode = psrom->led_mode;
+		np->led_mode = le16_to_cpu(psrom->led_mode);
 		return 0;
 	}
 
@@ -878,7 +880,6 @@ tx_error (struct net_device *dev, int tx_status)
 	frame_id = (tx_status & 0xffff0000);
 	printk (KERN_ERR "%s: Transmit error, TxStatus %4.4x, FrameId %d.\n",
 		dev->name, tx_status, frame_id);
-	dev->stats.tx_errors++;
 	/* Ttransmit Underrun */
 	if (tx_status & 0x10) {
 		dev->stats.tx_fifo_errors++;
@@ -915,9 +916,15 @@ tx_error (struct net_device *dev, int tx_status)
 		rio_set_led_mode(dev);
 		/* Let TxStartThresh stay default value */
 	}
+
+	spin_lock(&np->stats_lock);
 	/* Maximum Collisions */
 	if (tx_status & 0x08)
 		dev->stats.collisions++;
+
+	dev->stats.tx_errors++;
+	spin_unlock(&np->stats_lock);
+
 	/* Restart the Tx */
 	dw32(MACCtrl, dr16(MACCtrl) | TxEnable);
 }
@@ -1087,7 +1094,9 @@ get_stats (struct net_device *dev)
 	int i;
 #endif
 	unsigned int stat_reg;
+	unsigned long flags;
 
+	spin_lock_irqsave(&np->stats_lock, flags);
 	/* All statistics registers need to be acknowledged,
 	   else statistic overflow could cause problems */
 
@@ -1137,6 +1146,9 @@ get_stats (struct net_device *dev)
 	dr16(TCPCheckSumErrors);
 	dr16(UDPCheckSumErrors);
 	dr16(IPCheckSumErrors);
+
+	spin_unlock_irqrestore(&np->stats_lock, flags);
+
 	return &dev->stats;
 }
 
diff --git a/drivers/net/ethernet/dlink/dl2k.h b/drivers/net/ethernet/dlink/dl2k.h
index 10e98ba33ebf..e8c7ab319604 100644
--- a/drivers/net/ethernet/dlink/dl2k.h
+++ b/drivers/net/ethernet/dlink/dl2k.h
@@ -338,7 +338,7 @@ typedef struct t_SROM {
 	u16 sub_system_id;	/* 0x06 */
 	u16 pci_base_1;		/* 0x08 (IP1000A only) */
 	u16 pci_base_2;		/* 0x0a (IP1000A only) */
-	u16 led_mode;		/* 0x0c (IP1000A only) */
+	__le16 led_mode;	/* 0x0c (IP1000A only) */
 	u16 reserved1[9];	/* 0x0e-0x1f */
 	u8 mac_addr[6];		/* 0x20-0x25 */
 	u8 reserved2[10];	/* 0x26-0x2f */
@@ -375,6 +375,8 @@ struct netdev_private {
 	struct pci_dev *pdev;
 	void __iomem *ioaddr;
 	void __iomem *eeprom_addr;
+	// To ensure synchronization when stats are updated.
+	spinlock_t stats_lock;
 	spinlock_t tx_lock;
 	spinlock_t rx_lock;
 	unsigned int rx_buf_sz;		/* Based on MTU+slack. */
diff --git a/drivers/net/ethernet/emulex/benet/be_cmds.c b/drivers/net/ethernet/emulex/benet/be_cmds.c
index 8bf3ababd50b..7d0d0ca75429 100644
--- a/drivers/net/ethernet/emulex/benet/be_cmds.c
+++ b/drivers/net/ethernet/emulex/benet/be_cmds.c
@@ -1612,7 +1612,7 @@ int be_cmd_get_stats(struct be_adapter *adapter, struct be_dma_mem *nonemb_cmd)
 	/* version 1 of the cmd is not supported only by BE2 */
 	if (BE2_chip(adapter))
 		hdr->version = 0;
-	if (BE3_chip(adapter) || lancer_chip(adapter))
+	else if (BE3_chip(adapter) || lancer_chip(adapter))
 		hdr->version = 1;
 	else
 		hdr->version = 2;
diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c
index ad2af60abb2a..11373a9d0bdb 100644
--- a/drivers/net/ethernet/freescale/fec_main.c
+++ b/drivers/net/ethernet/freescale/fec_main.c
@@ -602,7 +602,12 @@ static int fec_enet_txq_submit_skb(struct fec_enet_priv_tx_q *txq,
 	txq->bd.cur = bdp;
 
 	/* Trigger transmission start */
-	writel(0, txq->bd.reg_desc_active);
+	if (!(fep->quirks & FEC_QUIRK_ERR007885) ||
+	    !readl(txq->bd.reg_desc_active) ||
+	    !readl(txq->bd.reg_desc_active) ||
+	    !readl(txq->bd.reg_desc_active) ||
+	    !readl(txq->bd.reg_desc_active))
+		writel(0, txq->bd.reg_desc_active);
 
 	return 0;
 }
diff --git a/drivers/net/ethernet/intel/i40e/i40e_common.c b/drivers/net/ethernet/intel/i40e/i40e_common.c
index 95cd3c35b003..a325bf2fee1a 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_common.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_common.c
@@ -1313,10 +1313,11 @@ i40e_status i40e_pf_reset(struct i40e_hw *hw)
 void i40e_clear_hw(struct i40e_hw *hw)
 {
 	u32 num_queues, base_queue;
-	u32 num_pf_int;
-	u32 num_vf_int;
+	s32 num_pf_int;
+	s32 num_vf_int;
 	u32 num_vfs;
-	u32 i, j;
+	s32 i;
+	u32 j;
 	u32 val;
 	u32 eol = 0x7ff;
 
diff --git a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c
index 9c0d01eba36c..6b5e2b53e798 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c
@@ -1239,8 +1239,8 @@ static void i40e_cleanup_reset_vf(struct i40e_vf *vf)
  * @vf: pointer to the VF structure
  * @flr: VFLR was issued or not
  *
- * Returns true if the VF is in reset, resets successfully, or resets
- * are disabled and false otherwise.
+ * Return: True if reset was performed successfully or if resets are disabled.
+ * False if reset is already in progress.
  **/
 bool i40e_reset_vf(struct i40e_vf *vf, bool flr)
 {
@@ -1259,7 +1259,7 @@ bool i40e_reset_vf(struct i40e_vf *vf, bool flr)
 
 	/* If VF is being reset already we don't need to continue. */
 	if (test_and_set_bit(I40E_VF_STATE_RESETTING, &vf->vf_states))
-		return true;
+		return false;
 
 	i40e_trigger_vf_reset(vf, flr);
 
@@ -3949,7 +3949,10 @@ int i40e_vc_process_vflr_event(struct i40e_pf *pf)
 		reg = rd32(hw, I40E_GLGEN_VFLRSTAT(reg_idx));
 		if (reg & BIT(bit_idx))
 			/* i40e_reset_vf will clear the bit in GLGEN_VFLRSTAT */
-			i40e_reset_vf(vf, true);
+			if (!i40e_reset_vf(vf, true)) {
+				/* At least one VF did not finish resetting, retry next time */
+				set_bit(__I40E_VFLR_EVENT_PENDING, pf->state);
+			}
 	}
 
 	return 0;
diff --git a/drivers/net/ethernet/mellanox/mlx4/alloc.c b/drivers/net/ethernet/mellanox/mlx4/alloc.c
index 21788d4f9881..7c32e90bfc3c 100644
--- a/drivers/net/ethernet/mellanox/mlx4/alloc.c
+++ b/drivers/net/ethernet/mellanox/mlx4/alloc.c
@@ -683,9 +683,9 @@ static struct mlx4_db_pgdir *mlx4_alloc_db_pgdir(struct device *dma_device)
 }
 
 static int mlx4_alloc_db_from_pgdir(struct mlx4_db_pgdir *pgdir,
-				    struct mlx4_db *db, int order)
+				    struct mlx4_db *db, unsigned int order)
 {
-	int o;
+	unsigned int o;
 	int i;
 
 	for (o = order; o <= 1; ++o) {
@@ -713,7 +713,7 @@ found:
 	return 0;
 }
 
-int mlx4_db_alloc(struct mlx4_dev *dev, struct mlx4_db *db, int order)
+int mlx4_db_alloc(struct mlx4_dev *dev, struct mlx4_db *db, unsigned int order)
 {
 	struct mlx4_priv *priv = mlx4_priv(dev);
 	struct mlx4_db_pgdir *pgdir;
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_clock.c b/drivers/net/ethernet/mellanox/mlx4/en_clock.c
index 024788549c25..060698b0c65c 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_clock.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_clock.c
@@ -251,7 +251,7 @@ static const struct ptp_clock_info mlx4_en_ptp_clock_info = {
 static u32 freq_to_shift(u16 freq)
 {
 	u32 freq_khz = freq * 1000;
-	u64 max_val_cycles = freq_khz * 1000 * MLX4_EN_WRAP_AROUND_SEC;
+	u64 max_val_cycles = freq_khz * 1000ULL * MLX4_EN_WRAP_AROUND_SEC;
 	u64 max_val_cycles_rounded = 1ULL << fls64(max_val_cycles - 1);
 	/* calculate max possible multiplier in order to fit in 64bit */
 	u64 max_mul = div64_u64(ULLONG_MAX, max_val_cycles_rounded);
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c b/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c
index 1d33fae529b6..8585ae777250 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c
@@ -1889,6 +1889,7 @@ static int mlx4_en_get_ts_info(struct net_device *dev,
 	if (mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_TS) {
 		info->so_timestamping |=
 			SOF_TIMESTAMPING_TX_HARDWARE |
+			SOF_TIMESTAMPING_TX_SOFTWARE |
 			SOF_TIMESTAMPING_RX_HARDWARE |
 			SOF_TIMESTAMPING_RAW_HARDWARE;
 
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_selftest.c b/drivers/net/ethernet/mellanox/mlx5/core/en_selftest.c
index 5fb088b54e66..00e54cbab6cf 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_selftest.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_selftest.c
@@ -189,6 +189,9 @@ mlx5e_test_loopback_validate(struct sk_buff *skb,
 	struct udphdr *udph;
 	struct iphdr *iph;
 
+	if (skb_linearize(skb))
+		goto out;
+
 	/* We are only going to peek, no need to clone the SKB */
 	if (MLX5E_TEST_PKT_SIZE - ETH_HLEN > skb_headlen(skb))
 		goto out;
diff --git a/drivers/net/ethernet/microchip/lan743x_main.c b/drivers/net/ethernet/microchip/lan743x_main.c
index 112d374e7166..73ccc29c5da4 100644
--- a/drivers/net/ethernet/microchip/lan743x_main.c
+++ b/drivers/net/ethernet/microchip/lan743x_main.c
@@ -912,7 +912,7 @@ static int lan743x_mac_set_mtu(struct lan743x_adapter *adapter, int new_mtu)
 }
 
 /* PHY */
-static int lan743x_phy_reset(struct lan743x_adapter *adapter)
+static int lan743x_hw_reset_phy(struct lan743x_adapter *adapter)
 {
 	u32 data;
 
@@ -947,7 +947,7 @@ static void lan743x_phy_update_flowcontrol(struct lan743x_adapter *adapter,
 
 static int lan743x_phy_init(struct lan743x_adapter *adapter)
 {
-	return lan743x_phy_reset(adapter);
+	return lan743x_hw_reset_phy(adapter);
 }
 
 static void lan743x_phy_link_status_change(struct net_device *netdev)
@@ -2004,14 +2004,13 @@ static int lan743x_rx_process_packet(struct lan743x_rx *rx)
 {
 	struct skb_shared_hwtstamps *hwtstamps = NULL;
 	int result = RX_PROCESS_RESULT_NOTHING_TO_DO;
+	int current_head_index = *rx->head_cpu_ptr;
 	struct lan743x_rx_buffer_info *buffer_info;
 	struct lan743x_rx_descriptor *descriptor;
-	int current_head_index = -1;
 	int extension_index = -1;
 	int first_index = -1;
 	int last_index = -1;
 
-	current_head_index = *rx->head_cpu_ptr;
 	if (current_head_index < 0 || current_head_index >= rx->ring_size)
 		goto done;
 
diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_common.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_common.c
index dc5a556b5b23..6d4224a09b5e 100644
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_common.c
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_common.c
@@ -1490,8 +1490,11 @@ static int qlcnic_sriov_channel_cfg_cmd(struct qlcnic_adapter *adapter, u8 cmd_o
 	}
 
 	cmd_op = (cmd.rsp.arg[0] & 0xff);
-	if (cmd.rsp.arg[0] >> 25 == 2)
-		return 2;
+	if (cmd.rsp.arg[0] >> 25 == 2) {
+		ret = 2;
+		goto out;
+	}
+
 	if (cmd_op == QLCNIC_BC_CMD_CHANNEL_INIT)
 		set_bit(QLC_BC_VF_STATE, &vf->state);
 	else
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-sun8i.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-sun8i.c
index 5e66e7399827..4d022b450864 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-sun8i.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-sun8i.c
@@ -908,7 +908,7 @@ static int sun8i_dwmac_set_syscon(struct stmmac_priv *priv)
 		/* of_mdio_parse_addr returns a valid (0 ~ 31) PHY
 		 * address. No need to mask it again.
 		 */
-		reg |= 1 << H3_EPHY_ADDR_SHIFT;
+		reg |= ret << H3_EPHY_ADDR_SHIFT;
 	} else {
 		/* For SoCs without internal PHY the PHY selection bit should be
 		 * set to 0 (external PHY).
diff --git a/drivers/net/ieee802154/ca8210.c b/drivers/net/ieee802154/ca8210.c
index 1737fe58b77e..0d9f0b29113e 100644
--- a/drivers/net/ieee802154/ca8210.c
+++ b/drivers/net/ieee802154/ca8210.c
@@ -1486,8 +1486,7 @@ static u8 mcps_data_request(
 	command.pdata.data_req.src_addr_mode = src_addr_mode;
 	command.pdata.data_req.dst.mode = dst_address_mode;
 	if (dst_address_mode != MAC_MODE_NO_ADDR) {
-		command.pdata.data_req.dst.pan_id[0] = LS_BYTE(dst_pan_id);
-		command.pdata.data_req.dst.pan_id[1] = MS_BYTE(dst_pan_id);
+		put_unaligned_le16(dst_pan_id, command.pdata.data_req.dst.pan_id);
 		if (dst_address_mode == MAC_MODE_SHORT_ADDR) {
 			command.pdata.data_req.dst.address[0] = LS_BYTE(
 				dst_addr->short_address
@@ -1836,12 +1835,12 @@ static int ca8210_skb_rx(
 	}
 	hdr.source.mode = data_ind[0];
 	dev_dbg(&priv->spi->dev, "srcAddrMode: %#03x\n", hdr.source.mode);
-	hdr.source.pan_id = *(u16 *)&data_ind[1];
+	hdr.source.pan_id = cpu_to_le16(get_unaligned_le16(&data_ind[1]));
 	dev_dbg(&priv->spi->dev, "srcPanId: %#06x\n", hdr.source.pan_id);
 	memcpy(&hdr.source.extended_addr, &data_ind[3], 8);
 	hdr.dest.mode = data_ind[11];
 	dev_dbg(&priv->spi->dev, "dstAddrMode: %#03x\n", hdr.dest.mode);
-	hdr.dest.pan_id = *(u16 *)&data_ind[12];
+	hdr.dest.pan_id = cpu_to_le16(get_unaligned_le16(&data_ind[12]));
 	dev_dbg(&priv->spi->dev, "dstPanId: %#06x\n", hdr.dest.pan_id);
 	memcpy(&hdr.dest.extended_addr, &data_ind[14], 8);
 
@@ -1968,7 +1967,7 @@ static int ca8210_skb_tx(
 	status =  mcps_data_request(
 		header.source.mode,
 		header.dest.mode,
-		header.dest.pan_id,
+		le16_to_cpu(header.dest.pan_id),
 		(union macaddr *)&header.dest.extended_addr,
 		skb->len - mac_len,
 		&skb->data[mac_len],
diff --git a/drivers/net/phy/mdio_bus.c b/drivers/net/phy/mdio_bus.c
index 550806351049..bf05d0d5d9ae 100644
--- a/drivers/net/phy/mdio_bus.c
+++ b/drivers/net/phy/mdio_bus.c
@@ -558,7 +558,13 @@ int __mdiobus_read(struct mii_bus *bus, int addr, u32 regnum)
 
 	WARN_ON_ONCE(!mutex_is_locked(&bus->mdio_lock));
 
-	retval = bus->read(bus, addr, regnum);
+	if (addr >= PHY_MAX_ADDR)
+		return -ENXIO;
+
+	if (bus->read)
+		retval = bus->read(bus, addr, regnum);
+	else
+		retval = -EOPNOTSUPP;
 
 	trace_mdio_access(bus, 1, addr, regnum, retval, retval);
 
@@ -583,7 +589,13 @@ int __mdiobus_write(struct mii_bus *bus, int addr, u32 regnum, u16 val)
 
 	WARN_ON_ONCE(!mutex_is_locked(&bus->mdio_lock));
 
-	err = bus->write(bus, addr, regnum, val);
+	if (addr >= PHY_MAX_ADDR)
+		return -ENXIO;
+
+	if (bus->write)
+		err = bus->write(bus, addr, regnum, val);
+	else
+		err = -EOPNOTSUPP;
 
 	trace_mdio_access(bus, 0, addr, regnum, val, err);
 
diff --git a/drivers/net/usb/ch9200.c b/drivers/net/usb/ch9200.c
index 6ed8da85b081..a7f7f46b2604 100644
--- a/drivers/net/usb/ch9200.c
+++ b/drivers/net/usb/ch9200.c
@@ -180,6 +180,7 @@ static int ch9200_mdio_read(struct net_device *netdev, int phy_id, int loc)
 {
 	struct usbnet *dev = netdev_priv(netdev);
 	unsigned char buff[2];
+	int ret;
 
 	netdev_dbg(netdev, "ch9200_mdio_read phy_id:%02x loc:%02x\n",
 		   phy_id, loc);
@@ -187,8 +188,10 @@ static int ch9200_mdio_read(struct net_device *netdev, int phy_id, int loc)
 	if (phy_id != 0)
 		return -ENODEV;
 
-	control_read(dev, REQUEST_READ, 0, loc * 2, buff, 0x02,
-		     CONTROL_TIMEOUT_MS);
+	ret = control_read(dev, REQUEST_READ, 0, loc * 2, buff, 0x02,
+			   CONTROL_TIMEOUT_MS);
+	if (ret < 0)
+		return ret;
 
 	return (buff[0] | buff[1] << 8);
 }
diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c
index 82f104ec7338..64d17af71569 100644
--- a/drivers/net/vxlan.c
+++ b/drivers/net/vxlan.c
@@ -325,9 +325,9 @@ static int vxlan_fdb_info(struct sk_buff *skb, struct vxlan_dev *vxlan,
 	    nla_put_u32(skb, NDA_IFINDEX, rdst->remote_ifindex))
 		goto nla_put_failure;
 
-	ci.ndm_used	 = jiffies_to_clock_t(now - fdb->used);
+	ci.ndm_used	 = jiffies_to_clock_t(now - READ_ONCE(fdb->used));
 	ci.ndm_confirmed = 0;
-	ci.ndm_updated	 = jiffies_to_clock_t(now - fdb->updated);
+	ci.ndm_updated	 = jiffies_to_clock_t(now - READ_ONCE(fdb->updated));
 	ci.ndm_refcnt	 = 0;
 
 	if (nla_put(skb, NDA_CACHEINFO, sizeof(ci), &ci))
@@ -465,7 +465,7 @@ static struct vxlan_fdb *vxlan_find_mac(struct vxlan_dev *vxlan,
 
 	f = __vxlan_find_mac(vxlan, mac, vni);
 	if (f)
-		f->used = jiffies;
+		WRITE_ONCE(f->used, jiffies);
 
 	return f;
 }
@@ -526,10 +526,10 @@ static int vxlan_fdb_append(struct vxlan_fdb *f,
 	if (rd == NULL)
 		return -ENOMEM;
 
-	if (dst_cache_init(&rd->dst_cache, GFP_ATOMIC)) {
-		kfree(rd);
-		return -ENOMEM;
-	}
+	/* The driver can work correctly without a dst cache, so do not treat
+	 * dst cache initialization errors as fatal.
+	 */
+	dst_cache_init(&rd->dst_cache, GFP_ATOMIC | __GFP_NOWARN);
 
 	rd->remote_ip = *ip;
 	rd->remote_port = port;
@@ -1068,7 +1068,7 @@ static bool vxlan_snoop(struct net_device *dev,
 				    src_mac, &rdst->remote_ip.sa, &src_ip->sa);
 
 		rdst->remote_ip = *src_ip;
-		f->updated = jiffies;
+		WRITE_ONCE(f->updated, jiffies);
 		vxlan_fdb_notify(vxlan, f, rdst, RTM_NEWNEIGH);
 	} else {
 		/* learned new entry */
@@ -2418,7 +2418,7 @@ static void vxlan_cleanup(struct timer_list *t)
 			if (f->flags & NTF_EXT_LEARNED)
 				continue;
 
-			timeout = f->used + vxlan->cfg.age_interval * HZ;
+			timeout = READ_ONCE(f->used) + vxlan->cfg.age_interval * HZ;
 			if (time_before_eq(timeout, jiffies)) {
 				netdev_dbg(vxlan->dev,
 					   "garbage collect %pM\n",
diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_beacon.c b/drivers/net/wireless/ath/ath9k/htc_drv_beacon.c
index f20c839aeda2..6db484ee7ee0 100644
--- a/drivers/net/wireless/ath/ath9k/htc_drv_beacon.c
+++ b/drivers/net/wireless/ath/ath9k/htc_drv_beacon.c
@@ -290,6 +290,9 @@ void ath9k_htc_swba(struct ath9k_htc_priv *priv,
 	struct ath_common *common = ath9k_hw_common(priv->ah);
 	int slot;
 
+	if (!priv->cur_beacon_conf.enable_beacon)
+		return;
+
 	if (swba->beacon_pending != 0) {
 		priv->beacon.bmisscnt++;
 		if (priv->beacon.bmisscnt > BSTUCK_THRESHOLD) {
diff --git a/drivers/net/wireless/ath/carl9170/usb.c b/drivers/net/wireless/ath/carl9170/usb.c
index 738f43b17e95..5206a9b78fb8 100644
--- a/drivers/net/wireless/ath/carl9170/usb.c
+++ b/drivers/net/wireless/ath/carl9170/usb.c
@@ -438,14 +438,21 @@ static void carl9170_usb_rx_complete(struct urb *urb)
 
 		if (atomic_read(&ar->rx_anch_urbs) == 0) {
 			/*
-			 * The system is too slow to cope with
-			 * the enormous workload. We have simply
-			 * run out of active rx urbs and this
-			 * unfortunately leads to an unpredictable
-			 * device.
+			 * At this point, either the system is too slow to
+			 * cope with the enormous workload (so we have simply
+			 * run out of active rx urbs and this unfortunately
+			 * leads to an unpredictable device), or the device
+			 * is not fully functional after an unsuccessful
+			 * firmware loading attempts (so it doesn't pass
+			 * ieee80211_register_hw() and there is no internal
+			 * workqueue at all).
 			 */
 
-			ieee80211_queue_work(ar->hw, &ar->ping_work);
+			if (ar->registered)
+				ieee80211_queue_work(ar->hw, &ar->ping_work);
+			else
+				pr_warn_once("device %s is not registered\n",
+					     dev_name(&ar->udev->dev));
 		}
 	} else {
 		/*
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/usb.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/usb.c
index 41254f04ab15..64f61d939c83 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/usb.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/usb.c
@@ -884,14 +884,16 @@ brcmf_usb_dl_writeimage(struct brcmf_usbdev_info *devinfo, u8 *fw, int fwlen)
 	}
 
 	/* 1) Prepare USB boot loader for runtime image */
-	brcmf_usb_dl_cmd(devinfo, DL_START, &state, sizeof(state));
+	err = brcmf_usb_dl_cmd(devinfo, DL_START, &state, sizeof(state));
+	if (err)
+		goto fail;
 
 	rdlstate = le32_to_cpu(state.state);
 	rdlbytes = le32_to_cpu(state.bytes);
 
 	/* 2) Check we are in the Waiting state */
 	if (rdlstate != DL_WAITING) {
-		brcmf_err("Failed to DL_START\n");
+		brcmf_err("Invalid DL state: %u\n", rdlstate);
 		err = -EINVAL;
 		goto fail;
 	}
diff --git a/drivers/net/wireless/intersil/p54/fwio.c b/drivers/net/wireless/intersil/p54/fwio.c
index 52c095c7765f..2303a1b094c8 100644
--- a/drivers/net/wireless/intersil/p54/fwio.c
+++ b/drivers/net/wireless/intersil/p54/fwio.c
@@ -236,6 +236,7 @@ int p54_download_eeprom(struct p54_common *priv, void *buf,
 
 	mutex_lock(&priv->eeprom_mutex);
 	priv->eeprom = buf;
+	priv->eeprom_slice_size = len;
 	eeprom_hdr = skb_put(skb, eeprom_hdr_size + len);
 
 	if (priv->fw_var < 0x509) {
@@ -258,6 +259,7 @@ int p54_download_eeprom(struct p54_common *priv, void *buf,
 		ret = -EBUSY;
 	}
 	priv->eeprom = NULL;
+	priv->eeprom_slice_size = 0;
 	mutex_unlock(&priv->eeprom_mutex);
 	return ret;
 }
diff --git a/drivers/net/wireless/intersil/p54/p54.h b/drivers/net/wireless/intersil/p54/p54.h
index 529939e611cd..99bc0ba472b4 100644
--- a/drivers/net/wireless/intersil/p54/p54.h
+++ b/drivers/net/wireless/intersil/p54/p54.h
@@ -261,6 +261,7 @@ struct p54_common {
 
 	/* eeprom handling */
 	void *eeprom;
+	size_t eeprom_slice_size;
 	struct completion eeprom_comp;
 	struct mutex eeprom_mutex;
 };
diff --git a/drivers/net/wireless/intersil/p54/txrx.c b/drivers/net/wireless/intersil/p54/txrx.c
index 3a4214d362ff..3a780734a7d2 100644
--- a/drivers/net/wireless/intersil/p54/txrx.c
+++ b/drivers/net/wireless/intersil/p54/txrx.c
@@ -494,14 +494,19 @@ static void p54_rx_eeprom_readback(struct p54_common *priv,
 		return ;
 
 	if (priv->fw_var >= 0x509) {
-		memcpy(priv->eeprom, eeprom->v2.data,
-		       le16_to_cpu(eeprom->v2.len));
+		if (le16_to_cpu(eeprom->v2.len) != priv->eeprom_slice_size)
+			return;
+
+		memcpy(priv->eeprom, eeprom->v2.data, priv->eeprom_slice_size);
 	} else {
-		memcpy(priv->eeprom, eeprom->v1.data,
-		       le16_to_cpu(eeprom->v1.len));
+		if (le16_to_cpu(eeprom->v1.len) != priv->eeprom_slice_size)
+			return;
+
+		memcpy(priv->eeprom, eeprom->v1.data, priv->eeprom_slice_size);
 	}
 
 	priv->eeprom = NULL;
+	priv->eeprom_slice_size = 0;
 	tmp = p54_find_and_unlink_skb(priv, hdr->req_id);
 	dev_kfree_skb_any(tmp);
 	complete(&priv->eeprom_comp);
diff --git a/drivers/net/wireless/realtek/rtlwifi/pci.c b/drivers/net/wireless/realtek/rtlwifi/pci.c
index 1df2561f2cd3..4cf46bb8ff8d 100644
--- a/drivers/net/wireless/realtek/rtlwifi/pci.c
+++ b/drivers/net/wireless/realtek/rtlwifi/pci.c
@@ -177,6 +177,16 @@ static void _rtl_pci_update_default_setting(struct ieee80211_hw *hw)
 	if (rtlpriv->rtlhal.hw_type == HARDWARE_TYPE_RTL8192SE &&
 	    init_aspm == 0x43)
 		ppsc->support_aspm = false;
+
+	/* RTL8723BE found on some ASUSTek laptops, such as F441U and
+	 * X555UQ with subsystem ID 11ad:1723 are known to output large
+	 * amounts of PCIe AER errors during and after boot up, causing
+	 * heavy lags, poor network throughput, and occasional lock-ups.
+	 */
+	if (rtlpriv->rtlhal.hw_type == HARDWARE_TYPE_RTL8723BE &&
+	    (rtlpci->pdev->subsystem_vendor == 0x11ad &&
+	     rtlpci->pdev->subsystem_device == 0x1723))
+		ppsc->support_aspm = false;
 }
 
 static bool _rtl_pci_platform_switch_device_pci_aspm(
diff --git a/drivers/of/device.c b/drivers/of/device.c
index 566d8af05157..65235ff63c5d 100644
--- a/drivers/of/device.c
+++ b/drivers/of/device.c
@@ -225,14 +225,15 @@ static ssize_t of_device_get_modalias(struct device *dev, char *str, ssize_t len
 	csize = snprintf(str, len, "of:N%pOFn%c%s", dev->of_node, 'T',
 			 dev->of_node->type);
 	tsize = csize;
+	if (csize >= len)
+		csize = len > 0 ? len - 1 : 0;
 	len -= csize;
-	if (str)
-		str += csize;
+	str += csize;
 
 	of_property_for_each_string(dev->of_node, "compatible", p, compat) {
 		csize = strlen(compat) + 1;
 		tsize += csize;
-		if (csize > len)
+		if (csize >= len)
 			continue;
 
 		csize = snprintf(str, len, "C%s", compat);
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index e22040c8a0ae..433c8d2d795e 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -5053,7 +5053,8 @@ static void pci_slot_unlock(struct pci_slot *slot)
 			continue;
 		if (dev->subordinate)
 			pci_bus_unlock(dev->subordinate);
-		pci_dev_unlock(dev);
+		else
+			pci_dev_unlock(dev);
 	}
 }
 
diff --git a/drivers/pci/setup-bus.c b/drivers/pci/setup-bus.c
index 7f866c3f036f..c04cebc21b75 100644
--- a/drivers/pci/setup-bus.c
+++ b/drivers/pci/setup-bus.c
@@ -789,11 +789,9 @@ static resource_size_t calculate_iosize(resource_size_t size,
 	size = (size & 0xff) + ((size & ~0xffUL) << 2);
 #endif
 	size = size + size1;
-	if (size < old_size)
-		size = old_size;
 
-	size = ALIGN(max(size, add_size) + children_add_size, align);
-	return size;
+	size = max(size, add_size) + children_add_size;
+	return ALIGN(max(size, old_size), align);
 }
 
 static resource_size_t calculate_memsize(resource_size_t size,
diff --git a/drivers/phy/tegra/xusb.c b/drivers/phy/tegra/xusb.c
index 17211b31e1ed..bd6a4ec7b649 100644
--- a/drivers/phy/tegra/xusb.c
+++ b/drivers/phy/tegra/xusb.c
@@ -524,16 +524,16 @@ static int tegra_xusb_port_init(struct tegra_xusb_port *port,
 
 	err = dev_set_name(&port->dev, "%s-%u", name, index);
 	if (err < 0)
-		goto unregister;
+		goto put_device;
 
 	err = device_add(&port->dev);
 	if (err < 0)
-		goto unregister;
+		goto put_device;
 
 	return 0;
 
-unregister:
-	device_unregister(&port->dev);
+put_device:
+	put_device(&port->dev);
 	return err;
 }
 
diff --git a/drivers/pinctrl/bcm/pinctrl-bcm281xx.c b/drivers/pinctrl/bcm/pinctrl-bcm281xx.c
index 3452005342ad..69e8d7856fff 100644
--- a/drivers/pinctrl/bcm/pinctrl-bcm281xx.c
+++ b/drivers/pinctrl/bcm/pinctrl-bcm281xx.c
@@ -79,7 +79,7 @@ static enum bcm281xx_pin_type hdmi_pin = BCM281XX_PIN_TYPE_HDMI;
 struct bcm281xx_pin_function {
 	const char *name;
 	const char * const *groups;
-	const unsigned ngroups;
+	const unsigned int ngroups;
 };
 
 /**
@@ -91,10 +91,10 @@ struct bcm281xx_pinctrl_data {
 
 	/* List of all pins */
 	const struct pinctrl_pin_desc *pins;
-	const unsigned npins;
+	const unsigned int npins;
 
 	const struct bcm281xx_pin_function *functions;
-	const unsigned nfunctions;
+	const unsigned int nfunctions;
 
 	struct regmap *regmap;
 };
@@ -948,7 +948,7 @@ static struct bcm281xx_pinctrl_data bcm281xx_pinctrl = {
 };
 
 static inline enum bcm281xx_pin_type pin_type_get(struct pinctrl_dev *pctldev,
-						  unsigned pin)
+						  unsigned int pin)
 {
 	struct bcm281xx_pinctrl_data *pdata = pinctrl_dev_get_drvdata(pctldev);
 
@@ -992,7 +992,7 @@ static int bcm281xx_pinctrl_get_groups_count(struct pinctrl_dev *pctldev)
 }
 
 static const char *bcm281xx_pinctrl_get_group_name(struct pinctrl_dev *pctldev,
-						   unsigned group)
+						   unsigned int group)
 {
 	struct bcm281xx_pinctrl_data *pdata = pinctrl_dev_get_drvdata(pctldev);
 
@@ -1000,9 +1000,9 @@ static const char *bcm281xx_pinctrl_get_group_name(struct pinctrl_dev *pctldev,
 }
 
 static int bcm281xx_pinctrl_get_group_pins(struct pinctrl_dev *pctldev,
-					   unsigned group,
+					   unsigned int group,
 					   const unsigned **pins,
-					   unsigned *num_pins)
+					   unsigned int *num_pins)
 {
 	struct bcm281xx_pinctrl_data *pdata = pinctrl_dev_get_drvdata(pctldev);
 
@@ -1014,7 +1014,7 @@ static int bcm281xx_pinctrl_get_group_pins(struct pinctrl_dev *pctldev,
 
 static void bcm281xx_pinctrl_pin_dbg_show(struct pinctrl_dev *pctldev,
 					  struct seq_file *s,
-					  unsigned offset)
+					  unsigned int offset)
 {
 	seq_printf(s, " %s", dev_name(pctldev->dev));
 }
@@ -1036,7 +1036,7 @@ static int bcm281xx_pinctrl_get_fcns_count(struct pinctrl_dev *pctldev)
 }
 
 static const char *bcm281xx_pinctrl_get_fcn_name(struct pinctrl_dev *pctldev,
-						 unsigned function)
+						 unsigned int function)
 {
 	struct bcm281xx_pinctrl_data *pdata = pinctrl_dev_get_drvdata(pctldev);
 
@@ -1044,9 +1044,9 @@ static const char *bcm281xx_pinctrl_get_fcn_name(struct pinctrl_dev *pctldev,
 }
 
 static int bcm281xx_pinctrl_get_fcn_groups(struct pinctrl_dev *pctldev,
-					   unsigned function,
+					   unsigned int function,
 					   const char * const **groups,
-					   unsigned * const num_groups)
+					   unsigned int * const num_groups)
 {
 	struct bcm281xx_pinctrl_data *pdata = pinctrl_dev_get_drvdata(pctldev);
 
@@ -1057,8 +1057,8 @@ static int bcm281xx_pinctrl_get_fcn_groups(struct pinctrl_dev *pctldev,
 }
 
 static int bcm281xx_pinmux_set(struct pinctrl_dev *pctldev,
-			       unsigned function,
-			       unsigned group)
+			       unsigned int function,
+			       unsigned int group)
 {
 	struct bcm281xx_pinctrl_data *pdata = pinctrl_dev_get_drvdata(pctldev);
 	const struct bcm281xx_pin_function *f = &pdata->functions[function];
@@ -1089,7 +1089,7 @@ static const struct pinmux_ops bcm281xx_pinctrl_pinmux_ops = {
 };
 
 static int bcm281xx_pinctrl_pin_config_get(struct pinctrl_dev *pctldev,
-					   unsigned pin,
+					   unsigned int pin,
 					   unsigned long *config)
 {
 	return -ENOTSUPP;
@@ -1098,9 +1098,9 @@ static int bcm281xx_pinctrl_pin_config_get(struct pinctrl_dev *pctldev,
 
 /* Goes through the configs and update register val/mask */
 static int bcm281xx_std_pin_update(struct pinctrl_dev *pctldev,
-				   unsigned pin,
+				   unsigned int pin,
 				   unsigned long *configs,
-				   unsigned num_configs,
+				   unsigned int num_configs,
 				   u32 *val,
 				   u32 *mask)
 {
@@ -1214,9 +1214,9 @@ static const u16 bcm281xx_pullup_map[] = {
 
 /* Goes through the configs and update register val/mask */
 static int bcm281xx_i2c_pin_update(struct pinctrl_dev *pctldev,
-				   unsigned pin,
+				   unsigned int pin,
 				   unsigned long *configs,
-				   unsigned num_configs,
+				   unsigned int num_configs,
 				   u32 *val,
 				   u32 *mask)
 {
@@ -1284,9 +1284,9 @@ static int bcm281xx_i2c_pin_update(struct pinctrl_dev *pctldev,
 
 /* Goes through the configs and update register val/mask */
 static int bcm281xx_hdmi_pin_update(struct pinctrl_dev *pctldev,
-				    unsigned pin,
+				    unsigned int pin,
 				    unsigned long *configs,
-				    unsigned num_configs,
+				    unsigned int num_configs,
 				    u32 *val,
 				    u32 *mask)
 {
@@ -1328,9 +1328,9 @@ static int bcm281xx_hdmi_pin_update(struct pinctrl_dev *pctldev,
 }
 
 static int bcm281xx_pinctrl_pin_config_set(struct pinctrl_dev *pctldev,
-					   unsigned pin,
+					   unsigned int pin,
 					   unsigned long *configs,
-					   unsigned num_configs)
+					   unsigned int num_configs)
 {
 	struct bcm281xx_pinctrl_data *pdata = pinctrl_dev_get_drvdata(pctldev);
 	enum bcm281xx_pin_type pin_type;
diff --git a/drivers/pinctrl/devicetree.c b/drivers/pinctrl/devicetree.c
index 01cc09e2bccb..3d9c871be493 100644
--- a/drivers/pinctrl/devicetree.c
+++ b/drivers/pinctrl/devicetree.c
@@ -153,10 +153,14 @@ static int dt_to_map_one_config(struct pinctrl *p,
 		pctldev = get_pinctrl_dev_from_of_node(np_pctldev);
 		if (pctldev)
 			break;
-		/* Do not defer probing of hogs (circular loop) */
+		/*
+		 * Do not defer probing of hogs (circular loop)
+		 *
+		 * Return 1 to let the caller catch the case.
+		 */
 		if (np_pctldev == p->dev->of_node) {
 			of_node_put(np_pctldev);
-			return -ENODEV;
+			return 1;
 		}
 	}
 	of_node_put(np_pctldev);
@@ -282,6 +286,8 @@ int pinctrl_dt_to_map(struct pinctrl *p, struct pinctrl_dev *pctldev)
 			ret = dt_to_map_one_config(p, pctldev, statename,
 						   np_config);
 			of_node_put(np_config);
+			if (ret == 1)
+				continue;
 			if (ret < 0)
 				goto err;
 		}
diff --git a/drivers/pinctrl/meson/pinctrl-meson.c b/drivers/pinctrl/meson/pinctrl-meson.c
index c8eff70fdb1c..680e2d3e40e9 100644
--- a/drivers/pinctrl/meson/pinctrl-meson.c
+++ b/drivers/pinctrl/meson/pinctrl-meson.c
@@ -284,7 +284,7 @@ static int meson_pinconf_get(struct pinctrl_dev *pcdev, unsigned int pin,
 	case PIN_CONFIG_BIAS_PULL_DOWN:
 	case PIN_CONFIG_BIAS_PULL_UP:
 		if (meson_pinconf_get_pull(pc, pin) == param)
-			arg = 1;
+			arg = 60000;
 		else
 			return -EINVAL;
 		break;
diff --git a/drivers/pinctrl/mvebu/pinctrl-armada-37xx.c b/drivers/pinctrl/mvebu/pinctrl-armada-37xx.c
index 0c0f834eab82..6639a0031a01 100644
--- a/drivers/pinctrl/mvebu/pinctrl-armada-37xx.c
+++ b/drivers/pinctrl/mvebu/pinctrl-armada-37xx.c
@@ -353,9 +353,7 @@ static int armada_37xx_pmx_set_by_name(struct pinctrl_dev *pctldev,
 
 	val = grp->val[func];
 
-	regmap_update_bits(info->regmap, reg, mask, val);
-
-	return 0;
+	return regmap_update_bits(info->regmap, reg, mask, val);
 }
 
 static int armada_37xx_pmx_set(struct pinctrl_dev *pctldev,
@@ -397,10 +395,13 @@ static int armada_37xx_gpio_get_direction(struct gpio_chip *chip,
 	struct armada_37xx_pinctrl *info = gpiochip_get_data(chip);
 	unsigned int reg = OUTPUT_EN;
 	unsigned int val, mask;
+	int ret;
 
 	armada_37xx_update_reg(&reg, &offset);
 	mask = BIT(offset);
-	regmap_read(info->regmap, reg, &val);
+	ret = regmap_read(info->regmap, reg, &val);
+	if (ret)
+		return ret;
 
 	return !(val & mask);
 }
@@ -409,20 +410,22 @@ static int armada_37xx_gpio_direction_output(struct gpio_chip *chip,
 					     unsigned int offset, int value)
 {
 	struct armada_37xx_pinctrl *info = gpiochip_get_data(chip);
-	unsigned int reg = OUTPUT_EN;
+	unsigned int en_offset = offset;
+	unsigned int reg = OUTPUT_VAL;
 	unsigned int mask, val, ret;
 
 	armada_37xx_update_reg(&reg, &offset);
 	mask = BIT(offset);
+	val = value ? mask : 0;
 
-	ret = regmap_update_bits(info->regmap, reg, mask, mask);
-
+	ret = regmap_update_bits(info->regmap, reg, mask, val);
 	if (ret)
 		return ret;
 
-	reg = OUTPUT_VAL;
-	val = value ? mask : 0;
-	regmap_update_bits(info->regmap, reg, mask, val);
+	reg = OUTPUT_EN;
+	armada_37xx_update_reg(&reg, &en_offset);
+
+	regmap_update_bits(info->regmap, reg, mask, mask);
 
 	return 0;
 }
@@ -432,11 +435,14 @@ static int armada_37xx_gpio_get(struct gpio_chip *chip, unsigned int offset)
 	struct armada_37xx_pinctrl *info = gpiochip_get_data(chip);
 	unsigned int reg = INPUT_VAL;
 	unsigned int val, mask;
+	int ret;
 
 	armada_37xx_update_reg(&reg, &offset);
 	mask = BIT(offset);
 
-	regmap_read(info->regmap, reg, &val);
+	ret = regmap_read(info->regmap, reg, &val);
+	if (ret)
+		return ret;
 
 	return (val & mask) != 0;
 }
@@ -461,16 +467,17 @@ static int armada_37xx_pmx_gpio_set_direction(struct pinctrl_dev *pctldev,
 {
 	struct armada_37xx_pinctrl *info = pinctrl_dev_get_drvdata(pctldev);
 	struct gpio_chip *chip = range->gc;
+	int ret;
 
 	dev_dbg(info->dev, "gpio_direction for pin %u as %s-%d to %s\n",
 		offset, range->name, offset, input ? "input" : "output");
 
 	if (input)
-		armada_37xx_gpio_direction_input(chip, offset);
+		ret = armada_37xx_gpio_direction_input(chip, offset);
 	else
-		armada_37xx_gpio_direction_output(chip, offset, 0);
+		ret = armada_37xx_gpio_direction_output(chip, offset, 0);
 
-	return 0;
+	return ret;
 }
 
 static int armada_37xx_gpio_request_enable(struct pinctrl_dev *pctldev,
diff --git a/drivers/pinctrl/pinctrl-at91.c b/drivers/pinctrl/pinctrl-at91.c
index 48374945b2d7..9deab2627234 100644
--- a/drivers/pinctrl/pinctrl-at91.c
+++ b/drivers/pinctrl/pinctrl-at91.c
@@ -1710,12 +1710,16 @@ static int at91_gpio_probe(struct platform_device *pdev)
 	struct at91_gpio_chip *at91_chip = NULL;
 	struct gpio_chip *chip;
 	struct pinctrl_gpio_range *range;
+	int alias_idx;
 	int ret = 0;
 	int irq, i;
-	int alias_idx = of_alias_get_id(np, "gpio");
 	uint32_t ngpio;
 	char **names;
 
+	alias_idx = of_alias_get_id(np, "gpio");
+	if (alias_idx < 0)
+		return alias_idx;
+
 	BUG_ON(alias_idx >= ARRAY_SIZE(gpio_chips));
 	if (gpio_chips[alias_idx]) {
 		ret = -EBUSY;
diff --git a/drivers/platform/x86/asus-wmi.c b/drivers/platform/x86/asus-wmi.c
index 3723ae37993d..dcd98a3438a4 100644
--- a/drivers/platform/x86/asus-wmi.c
+++ b/drivers/platform/x86/asus-wmi.c
@@ -2196,7 +2196,8 @@ static int asus_wmi_add(struct platform_device *pdev)
 		goto fail_leds;
 
 	asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_WLAN, &result);
-	if (result & (ASUS_WMI_DSTS_PRESENCE_BIT | ASUS_WMI_DSTS_USER_BIT))
+	if ((result & (ASUS_WMI_DSTS_PRESENCE_BIT | ASUS_WMI_DSTS_USER_BIT)) ==
+	    (ASUS_WMI_DSTS_PRESENCE_BIT | ASUS_WMI_DSTS_USER_BIT))
 		asus->driver->wlan_ctrl_by_user = 1;
 
 	if (!(asus->driver->wlan_ctrl_by_user && ashs_present())) {
diff --git a/drivers/platform/x86/fujitsu-laptop.c b/drivers/platform/x86/fujitsu-laptop.c
index 6afeaece2f50..f328449afe12 100644
--- a/drivers/platform/x86/fujitsu-laptop.c
+++ b/drivers/platform/x86/fujitsu-laptop.c
@@ -30,13 +30,13 @@
 /*
  * fujitsu-laptop.c - Fujitsu laptop support, providing access to additional
  * features made available on a range of Fujitsu laptops including the
- * P2xxx/P5xxx/S6xxx/S7xxx series.
+ * P2xxx/P5xxx/S2xxx/S6xxx/S7xxx series.
  *
  * This driver implements a vendor-specific backlight control interface for
  * Fujitsu laptops and provides support for hotkeys present on certain Fujitsu
  * laptops.
  *
- * This driver has been tested on a Fujitsu Lifebook S6410, S7020 and
+ * This driver has been tested on a Fujitsu Lifebook S2110, S6410, S7020 and
  * P8010.  It should work on most P-series and S-series Lifebooks, but
  * YMMV.
  *
@@ -115,7 +115,11 @@
 #define KEY2_CODE			0x411
 #define KEY3_CODE			0x412
 #define KEY4_CODE			0x413
-#define KEY5_CODE			0x420
+#define KEY5_CODE			0x414
+#define KEY6_CODE			0x415
+#define KEY7_CODE			0x416
+#define KEY8_CODE			0x417
+#define KEY9_CODE			0x420
 
 /* Hotkey ringbuffer limits */
 #define MAX_HOTKEY_RINGBUFFER_SIZE	100
@@ -463,7 +467,7 @@ static const struct key_entry keymap_default[] = {
 	{ KE_KEY, KEY2_CODE,            { KEY_PROG2 } },
 	{ KE_KEY, KEY3_CODE,            { KEY_PROG3 } },
 	{ KE_KEY, KEY4_CODE,            { KEY_PROG4 } },
-	{ KE_KEY, KEY5_CODE,            { KEY_RFKILL } },
+	{ KE_KEY, KEY9_CODE,            { KEY_RFKILL } },
 	/* Soft keys read from status flags */
 	{ KE_KEY, FLAG_RFKILL,          { KEY_RFKILL } },
 	{ KE_KEY, FLAG_TOUCHPAD_TOGGLE, { KEY_TOUCHPAD_TOGGLE } },
@@ -487,6 +491,18 @@ static const struct key_entry keymap_p8010[] = {
 	{ KE_END, 0 }
 };
 
+static const struct key_entry keymap_s2110[] = {
+	{ KE_KEY, KEY1_CODE, { KEY_PROG1 } }, /* "A" */
+	{ KE_KEY, KEY2_CODE, { KEY_PROG2 } }, /* "B" */
+	{ KE_KEY, KEY3_CODE, { KEY_WWW } },   /* "Internet" */
+	{ KE_KEY, KEY4_CODE, { KEY_EMAIL } }, /* "E-mail" */
+	{ KE_KEY, KEY5_CODE, { KEY_STOPCD } },
+	{ KE_KEY, KEY6_CODE, { KEY_PLAYPAUSE } },
+	{ KE_KEY, KEY7_CODE, { KEY_PREVIOUSSONG } },
+	{ KE_KEY, KEY8_CODE, { KEY_NEXTSONG } },
+	{ KE_END, 0 }
+};
+
 static const struct key_entry *keymap = keymap_default;
 
 static int fujitsu_laptop_dmi_keymap_override(const struct dmi_system_id *id)
@@ -524,6 +540,15 @@ static const struct dmi_system_id fujitsu_laptop_dmi_table[] = {
 		},
 		.driver_data = (void *)keymap_p8010
 	},
+	{
+		.callback = fujitsu_laptop_dmi_keymap_override,
+		.ident = "Fujitsu LifeBook S2110",
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK S2110"),
+		},
+		.driver_data = (void *)keymap_s2110
+	},
 	{}
 };
 
diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c
index adf4ddc04a93..48d113c618d3 100644
--- a/drivers/platform/x86/thinkpad_acpi.c
+++ b/drivers/platform/x86/thinkpad_acpi.c
@@ -211,6 +211,7 @@ enum tpacpi_hkey_event_t {
 	/* Thermal events */
 	TP_HKEY_EV_ALARM_BAT_HOT	= 0x6011, /* battery too hot */
 	TP_HKEY_EV_ALARM_BAT_XHOT	= 0x6012, /* battery critically hot */
+	TP_HKEY_EV_ALARM_BAT_LIM_CHANGE	= 0x6013, /* battery charge limit changed*/
 	TP_HKEY_EV_ALARM_SENSOR_HOT	= 0x6021, /* sensor too hot */
 	TP_HKEY_EV_ALARM_SENSOR_XHOT	= 0x6022, /* sensor critically hot */
 	TP_HKEY_EV_THM_TABLE_CHANGED	= 0x6030, /* windows; thermal table changed */
@@ -4072,6 +4073,10 @@ static bool hotkey_notify_6xxx(const u32 hkey,
 		pr_alert("THERMAL EMERGENCY: battery is extremely hot!\n");
 		/* recommended action: immediate sleep/hibernate */
 		break;
+	case TP_HKEY_EV_ALARM_BAT_LIM_CHANGE:
+		pr_debug("Battery Info: battery charge threshold changed\n");
+		/* User changed charging threshold. No action needed */
+		return true;
 	case TP_HKEY_EV_ALARM_SENSOR_HOT:
 		pr_crit("THERMAL ALARM: a sensor reports something is too hot!\n");
 		/* recommended action: warn user through gui, that */
@@ -9980,6 +9985,8 @@ static int __must_check __init get_thinkpad_model_data(
 		tp->vendor = PCI_VENDOR_ID_IBM;
 	else if (dmi_name_in_vendors("LENOVO"))
 		tp->vendor = PCI_VENDOR_ID_LENOVO;
+	else if (dmi_name_in_vendors("NEC"))
+		tp->vendor = PCI_VENDOR_ID_LENOVO;
 	else
 		return 0;
 
diff --git a/drivers/power/supply/bq27xxx_battery.c b/drivers/power/supply/bq27xxx_battery.c
index f665553b26a2..1aeddd810d53 100644
--- a/drivers/power/supply/bq27xxx_battery.c
+++ b/drivers/power/supply/bq27xxx_battery.c
@@ -1782,7 +1782,7 @@ static int bq27xxx_battery_get_property(struct power_supply *psy,
 	mutex_unlock(&di->lock);
 
 	if (psp != POWER_SUPPLY_PROP_PRESENT && di->cache.flags < 0)
-		return -ENODEV;
+		return di->cache.flags;
 
 	switch (psp) {
 	case POWER_SUPPLY_PROP_STATUS:
diff --git a/drivers/power/supply/bq27xxx_battery_i2c.c b/drivers/power/supply/bq27xxx_battery_i2c.c
index f5870b349309..510faefbb2df 100644
--- a/drivers/power/supply/bq27xxx_battery_i2c.c
+++ b/drivers/power/supply/bq27xxx_battery_i2c.c
@@ -14,6 +14,7 @@
  * GNU General Public License for more details.
  */
 
+#include <linux/delay.h>
 #include <linux/i2c.h>
 #include <linux/interrupt.h>
 #include <linux/module.h>
@@ -40,6 +41,7 @@ static int bq27xxx_battery_i2c_read(struct bq27xxx_device_info *di, u8 reg,
 	struct i2c_msg msg[2];
 	u8 data[2];
 	int ret;
+	int retry = 0;
 
 	if (!client->adapter)
 		return -ENODEV;
@@ -56,7 +58,16 @@ static int bq27xxx_battery_i2c_read(struct bq27xxx_device_info *di, u8 reg,
 	else
 		msg[1].len = 2;
 
-	ret = i2c_transfer(client->adapter, msg, ARRAY_SIZE(msg));
+	do {
+		ret = i2c_transfer(client->adapter, msg, ARRAY_SIZE(msg));
+		if (ret == -EBUSY && ++retry < 3) {
+			/* sleep 10 milliseconds when busy */
+			usleep_range(10000, 11000);
+			continue;
+		}
+		break;
+	} while (1);
+
 	if (ret < 0)
 		return ret;
 
diff --git a/drivers/rapidio/rio_cm.c b/drivers/rapidio/rio_cm.c
index ab57a1eb519f..ac33cf82fb9d 100644
--- a/drivers/rapidio/rio_cm.c
+++ b/drivers/rapidio/rio_cm.c
@@ -796,6 +796,9 @@ static int riocm_ch_send(u16 ch_id, void *buf, int len)
 	if (buf == NULL || ch_id == 0 || len == 0 || len > RIO_MAX_MSG_SIZE)
 		return -EINVAL;
 
+	if (len < sizeof(struct rio_ch_chan_hdr))
+		return -EINVAL;		/* insufficient data from user */
+
 	ch = riocm_get_channel(ch_id);
 	if (!ch) {
 		riocm_error("%s(%d) ch_%d not found", current->comm,
diff --git a/drivers/regulator/ad5398.c b/drivers/regulator/ad5398.c
index 11c1f880b7bb..33588a79f73a 100644
--- a/drivers/regulator/ad5398.c
+++ b/drivers/regulator/ad5398.c
@@ -15,6 +15,7 @@
 #include <linux/platform_device.h>
 #include <linux/regulator/driver.h>
 #include <linux/regulator/machine.h>
+#include <linux/regulator/of_regulator.h>
 
 #define AD5398_CURRENT_EN_MASK	0x8000
 
@@ -222,15 +223,20 @@ static int ad5398_probe(struct i2c_client *client,
 	const struct ad5398_current_data_format *df =
 			(struct ad5398_current_data_format *)id->driver_data;
 
-	if (!init_data)
-		return -EINVAL;
-
 	chip = devm_kzalloc(&client->dev, sizeof(*chip), GFP_KERNEL);
 	if (!chip)
 		return -ENOMEM;
 
 	config.dev = &client->dev;
+	if (client->dev.of_node)
+		init_data = of_get_regulator_init_data(&client->dev,
+						       client->dev.of_node,
+						       &ad5398_reg);
+	if (!init_data)
+		return -EINVAL;
+
 	config.init_data = init_data;
+	config.of_node = client->dev.of_node;
 	config.driver_data = chip;
 
 	chip->client = client;
diff --git a/drivers/regulator/max14577-regulator.c b/drivers/regulator/max14577-regulator.c
index bc7f4751bf9c..7b7e729c6d01 100644
--- a/drivers/regulator/max14577-regulator.c
+++ b/drivers/regulator/max14577-regulator.c
@@ -40,11 +40,14 @@ static int max14577_reg_get_current_limit(struct regulator_dev *rdev)
 	struct max14577 *max14577 = rdev_get_drvdata(rdev);
 	const struct maxim_charger_current *limits =
 		&maxim_charger_currents[max14577->dev_type];
+	int ret;
 
 	if (rdev_get_id(rdev) != MAX14577_CHARGER)
 		return -EINVAL;
 
-	max14577_read_reg(rmap, MAX14577_CHG_REG_CHG_CTRL4, &reg_data);
+	ret = max14577_read_reg(rmap, MAX14577_CHG_REG_CHG_CTRL4, &reg_data);
+	if (ret < 0)
+		return ret;
 
 	if ((reg_data & CHGCTRL4_MBCICHWRCL_MASK) == 0)
 		return limits->min;
diff --git a/drivers/rpmsg/qcom_smd.c b/drivers/rpmsg/qcom_smd.c
index 61557e05d5ca..08a748061ae8 100644
--- a/drivers/rpmsg/qcom_smd.c
+++ b/drivers/rpmsg/qcom_smd.c
@@ -746,7 +746,7 @@ static int __qcom_smd_send(struct qcom_smd_channel *channel, const void *data,
 	__le32 hdr[5] = { cpu_to_le32(len), };
 	int tlen = sizeof(hdr) + len;
 	unsigned long flags;
-	int ret;
+	int ret = 0;
 
 	/* Word aligned channels only accept word size aligned data */
 	if (channel->info_word && len % 4)
diff --git a/drivers/rtc/class.c b/drivers/rtc/class.c
index 0fca4d74c76b..aab0621d871a 100644
--- a/drivers/rtc/class.c
+++ b/drivers/rtc/class.c
@@ -266,7 +266,7 @@ static void rtc_device_get_offset(struct rtc_device *rtc)
 	 *
 	 * Otherwise the offset seconds should be 0.
 	 */
-	if (rtc->start_secs > rtc->range_max ||
+	if ((rtc->start_secs >= 0 && rtc->start_secs > rtc->range_max) ||
 	    rtc->start_secs + range_secs - 1 < rtc->range_min)
 		rtc->offset_secs = rtc->start_secs - rtc->range_min;
 	else if (rtc->start_secs > rtc->range_min)
diff --git a/drivers/rtc/rtc-ds1307.c b/drivers/rtc/rtc-ds1307.c
index 94d31779933f..03065fd0757d 100644
--- a/drivers/rtc/rtc-ds1307.c
+++ b/drivers/rtc/rtc-ds1307.c
@@ -1493,10 +1493,8 @@ static int ds1307_probe(struct i2c_client *client,
 		 * For some variants, be sure alarms can trigger when we're
 		 * running on Vbackup (BBSQI/BBSQW)
 		 */
-		if (want_irq || ds1307_can_wakeup_device) {
+		if (want_irq || ds1307_can_wakeup_device)
 			regs[0] |= DS1337_BIT_INTCN | chip->bbsqi_bit;
-			regs[0] &= ~(DS1337_BIT_A2IE | DS1337_BIT_A1IE);
-		}
 
 		regmap_write(ds1307->regmap, DS1337_REG_CONTROL,
 			     regs[0]);
diff --git a/drivers/rtc/rtc-sh.c b/drivers/rtc/rtc-sh.c
index 3d7414e5ed35..c61cc810432a 100644
--- a/drivers/rtc/rtc-sh.c
+++ b/drivers/rtc/rtc-sh.c
@@ -486,9 +486,15 @@ static int __init sh_rtc_probe(struct platform_device *pdev)
 		return -ENOENT;
 	}
 
-	rtc->periodic_irq = ret;
-	rtc->carry_irq = platform_get_irq(pdev, 1);
-	rtc->alarm_irq = platform_get_irq(pdev, 2);
+	if (!pdev->dev.of_node) {
+		rtc->periodic_irq = ret;
+		rtc->carry_irq = platform_get_irq(pdev, 1);
+		rtc->alarm_irq = platform_get_irq(pdev, 2);
+	} else {
+		rtc->alarm_irq = ret;
+		rtc->periodic_irq = platform_get_irq(pdev, 1);
+		rtc->carry_irq = platform_get_irq(pdev, 2);
+	}
 
 	res = platform_get_resource(pdev, IORESOURCE_IO, 0);
 	if (!res)
diff --git a/drivers/s390/scsi/zfcp_sysfs.c b/drivers/s390/scsi/zfcp_sysfs.c
index af197e2b3e69..2a4e5c3f1a5f 100644
--- a/drivers/s390/scsi/zfcp_sysfs.c
+++ b/drivers/s390/scsi/zfcp_sysfs.c
@@ -355,6 +355,8 @@ static ssize_t zfcp_sysfs_unit_add_store(struct device *dev,
 	if (kstrtoull(buf, 0, (unsigned long long *) &fcp_lun))
 		return -EINVAL;
 
+	flush_work(&port->rport_work);
+
 	retval = zfcp_unit_add(port, fcp_lun);
 	if (retval)
 		return retval;
diff --git a/drivers/scsi/lpfc/lpfc_hbadisc.c b/drivers/scsi/lpfc/lpfc_hbadisc.c
index 5d657178c2b9..519234be5f9b 100644
--- a/drivers/scsi/lpfc/lpfc_hbadisc.c
+++ b/drivers/scsi/lpfc/lpfc_hbadisc.c
@@ -5137,6 +5137,7 @@ static struct lpfc_nodelist *
 __lpfc_findnode_did(struct lpfc_vport *vport, uint32_t did)
 {
 	struct lpfc_nodelist *ndlp;
+	struct lpfc_nodelist *np = NULL;
 	uint32_t data1;
 
 	list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) {
@@ -5151,14 +5152,20 @@ __lpfc_findnode_did(struct lpfc_vport *vport, uint32_t did)
 					 ndlp, ndlp->nlp_DID,
 					 ndlp->nlp_flag, data1,
 					 ndlp->active_rrqs_xri_bitmap);
-			return ndlp;
+
+			/* Check for new or potentially stale node */
+			if (ndlp->nlp_state != NLP_STE_UNUSED_NODE)
+				return ndlp;
+			np = ndlp;
 		}
 	}
 
-	/* FIND node did <did> NOT FOUND */
-	lpfc_printf_vlog(vport, KERN_INFO, LOG_NODE,
-			 "0932 FIND node did x%x NOT FOUND.\n", did);
-	return NULL;
+	if (!np)
+		/* FIND node did <did> NOT FOUND */
+		lpfc_printf_vlog(vport, KERN_INFO, LOG_NODE,
+				 "0932 FIND node did x%x NOT FOUND.\n", did);
+
+	return np;
 }
 
 struct lpfc_nodelist *
diff --git a/drivers/scsi/qedf/qedf_main.c b/drivers/scsi/qedf/qedf_main.c
index 730852b2825a..235c6c9deb08 100644
--- a/drivers/scsi/qedf/qedf_main.c
+++ b/drivers/scsi/qedf/qedf_main.c
@@ -594,7 +594,7 @@ static u32 qedf_get_login_failures(void *cookie)
 }
 
 static struct qed_fcoe_cb_ops qedf_cb_ops = {
-	{
+	.common = {
 		.link_update = qedf_link_update,
 		.dcbx_aen = qedf_dcbx_handler,
 		.get_generic_tlv_data = qedf_get_generic_tlv_data,
diff --git a/drivers/scsi/scsi_transport_iscsi.c b/drivers/scsi/scsi_transport_iscsi.c
index 97dba078c6c9..08236761228a 100644
--- a/drivers/scsi/scsi_transport_iscsi.c
+++ b/drivers/scsi/scsi_transport_iscsi.c
@@ -3233,7 +3233,7 @@ static int iscsi_new_flashnode(struct iscsi_transport *transport,
 		pr_err("%s could not find host no %u\n",
 		       __func__, ev->u.new_flashnode.host_no);
 		err = -ENODEV;
-		goto put_host;
+		goto exit_new_fnode;
 	}
 
 	index = transport->new_flashnode(shost, data, len);
@@ -3243,7 +3243,6 @@ static int iscsi_new_flashnode(struct iscsi_transport *transport,
 	else
 		err = -EIO;
 
-put_host:
 	scsi_host_put(shost);
 
 exit_new_fnode:
@@ -3268,7 +3267,7 @@ static int iscsi_del_flashnode(struct iscsi_transport *transport,
 		pr_err("%s could not find host no %u\n",
 		       __func__, ev->u.del_flashnode.host_no);
 		err = -ENODEV;
-		goto put_host;
+		goto exit_del_fnode;
 	}
 
 	idx = ev->u.del_flashnode.flashnode_idx;
@@ -3310,7 +3309,7 @@ static int iscsi_login_flashnode(struct iscsi_transport *transport,
 		pr_err("%s could not find host no %u\n",
 		       __func__, ev->u.login_flashnode.host_no);
 		err = -ENODEV;
-		goto put_host;
+		goto exit_login_fnode;
 	}
 
 	idx = ev->u.login_flashnode.flashnode_idx;
@@ -3362,7 +3361,7 @@ static int iscsi_logout_flashnode(struct iscsi_transport *transport,
 		pr_err("%s could not find host no %u\n",
 		       __func__, ev->u.logout_flashnode.host_no);
 		err = -ENODEV;
-		goto put_host;
+		goto exit_logout_fnode;
 	}
 
 	idx = ev->u.logout_flashnode.flashnode_idx;
@@ -3412,7 +3411,7 @@ static int iscsi_logout_flashnode_sid(struct iscsi_transport *transport,
 		pr_err("%s could not find host no %u\n",
 		       __func__, ev->u.logout_flashnode.host_no);
 		err = -ENODEV;
-		goto put_host;
+		goto exit_logout_sid;
 	}
 
 	session = iscsi_session_lookup(ev->u.logout_flashnode_sid.sid);
diff --git a/drivers/scsi/st.c b/drivers/scsi/st.c
index 47cb4075c8b7..5a323efcd5c6 100644
--- a/drivers/scsi/st.c
+++ b/drivers/scsi/st.c
@@ -947,7 +947,6 @@ static void reset_state(struct scsi_tape *STp)
 		STp->partition = find_partition(STp);
 		if (STp->partition < 0)
 			STp->partition = 0;
-		STp->new_partition = STp->partition;
 	}
 }
 
@@ -2885,7 +2884,6 @@ static int st_int_ioctl(struct scsi_tape *STp, unsigned int cmd_in, unsigned lon
 			timeout = STp->long_timeout * 8;
 
 		DEBC_printk(STp, "Erasing tape.\n");
-		fileno = blkno = at_sm = 0;
 		break;
 	case MTSETBLK:		/* Set block length */
 	case MTSETDENSITY:	/* Set tape density */
@@ -2918,14 +2916,17 @@ static int st_int_ioctl(struct scsi_tape *STp, unsigned int cmd_in, unsigned lon
 		if (cmd_in == MTSETDENSITY) {
 			(STp->buffer)->b_data[4] = arg;
 			STp->density_changed = 1;	/* At least we tried ;-) */
+			STp->changed_density = arg;
 		} else if (cmd_in == SET_DENS_AND_BLK)
 			(STp->buffer)->b_data[4] = arg >> 24;
 		else
 			(STp->buffer)->b_data[4] = STp->density;
 		if (cmd_in == MTSETBLK || cmd_in == SET_DENS_AND_BLK) {
 			ltmp = arg & MT_ST_BLKSIZE_MASK;
-			if (cmd_in == MTSETBLK)
+			if (cmd_in == MTSETBLK) {
 				STp->blksize_changed = 1; /* At least we tried ;-) */
+				STp->changed_blksize = arg;
+			}
 		} else
 			ltmp = STp->block_size;
 		(STp->buffer)->b_data[9] = (ltmp >> 16);
@@ -3072,7 +3073,9 @@ static int st_int_ioctl(struct scsi_tape *STp, unsigned int cmd_in, unsigned lon
 			   cmd_in == MTSETDRVBUFFER ||
 			   cmd_in == SET_DENS_AND_BLK) {
 			if (cmdstatp->sense_hdr.sense_key == ILLEGAL_REQUEST &&
-			    !(STp->use_pf & PF_TESTED)) {
+				cmdstatp->sense_hdr.asc == 0x24 &&
+				(STp->device)->scsi_level <= SCSI_2 &&
+				!(STp->use_pf & PF_TESTED)) {
 				/* Try the other possible state of Page Format if not
 				   already tried */
 				STp->use_pf = (STp->use_pf ^ USE_PF) | PF_TESTED;
@@ -3624,9 +3627,25 @@ static long st_ioctl(struct file *file, unsigned int cmd_in, unsigned long arg)
 				retval = (-EIO);
 				goto out;
 			}
-			reset_state(STp);
+			reset_state(STp); /* Clears pos_unknown */
 			/* remove this when the midlevel properly clears was_reset */
 			STp->device->was_reset = 0;
+
+			/* Fix the device settings after reset, ignore errors */
+			if (mtc.mt_op == MTREW || mtc.mt_op == MTSEEK ||
+				mtc.mt_op == MTEOM) {
+				if (STp->can_partitions) {
+					/* STp->new_partition contains the
+					 *  latest partition set
+					 */
+					STp->partition = 0;
+					switch_partition(STp);
+				}
+				if (STp->density_changed)
+					st_int_ioctl(STp, MTSETDENSITY, STp->changed_density);
+				if (STp->blksize_changed)
+					st_int_ioctl(STp, MTSETBLK, STp->changed_blksize);
+			}
 		}
 
 		if (mtc.mt_op != MTNOP && mtc.mt_op != MTSETBLK &&
diff --git a/drivers/scsi/st.h b/drivers/scsi/st.h
index 95d2e7a7988d..c9947abb0a45 100644
--- a/drivers/scsi/st.h
+++ b/drivers/scsi/st.h
@@ -168,12 +168,14 @@ struct scsi_tape {
 	unsigned char compression_changed;
 	unsigned char drv_buffer;
 	unsigned char density;
+	unsigned char changed_density;
 	unsigned char door_locked;
 	unsigned char autorew_dev;   /* auto-rewind device */
 	unsigned char rew_at_close;  /* rewind necessary at close */
 	unsigned char inited;
 	unsigned char cleaning_req;  /* cleaning requested? */
 	int block_size;
+	int changed_blksize;
 	int min_block;
 	int max_block;
 	int recover_count;     /* From tape opening */
diff --git a/drivers/spi/spi-loopback-test.c b/drivers/spi/spi-loopback-test.c
index 85d3475915dd..fba5c91e05ec 100644
--- a/drivers/spi/spi-loopback-test.c
+++ b/drivers/spi/spi-loopback-test.c
@@ -386,7 +386,7 @@ MODULE_LICENSE("GPL");
 static void spi_test_print_hex_dump(char *pre, const void *ptr, size_t len)
 {
 	/* limit the hex_dump */
-	if (len < 1024) {
+	if (len <= 1024) {
 		print_hex_dump(KERN_INFO, pre,
 			       DUMP_PREFIX_OFFSET, 16, 1,
 			       ptr, len, 0);
diff --git a/drivers/spi/spi-sun4i.c b/drivers/spi/spi-sun4i.c
index 41410031f8e9..10142cd64489 100644
--- a/drivers/spi/spi-sun4i.c
+++ b/drivers/spi/spi-sun4i.c
@@ -267,6 +267,9 @@ static int sun4i_spi_transfer_one(struct spi_master *master,
 	else
 		reg |= SUN4I_CTL_DHB;
 
+	/* Now that the settings are correct, enable the interface */
+	reg |= SUN4I_CTL_ENABLE;
+
 	sun4i_spi_write(sspi, SUN4I_CTL_REG, reg);
 
 	/* Ensure that we have a parent clock fast enough */
@@ -407,7 +410,7 @@ static int sun4i_spi_runtime_resume(struct device *dev)
 	}
 
 	sun4i_spi_write(sspi, SUN4I_CTL_REG,
-			SUN4I_CTL_ENABLE | SUN4I_CTL_MASTER | SUN4I_CTL_TP);
+			SUN4I_CTL_MASTER | SUN4I_CTL_TP);
 
 	return 0;
 
diff --git a/drivers/staging/axis-fifo/axis-fifo.c b/drivers/staging/axis-fifo/axis-fifo.c
index abeee0ecc122..7b0f5e096a45 100644
--- a/drivers/staging/axis-fifo/axis-fifo.c
+++ b/drivers/staging/axis-fifo/axis-fifo.c
@@ -702,6 +702,65 @@ static int get_dts_property(struct axis_fifo *fifo,
 	return 0;
 }
 
+static int axis_fifo_parse_dt(struct axis_fifo *fifo)
+{
+	int ret;
+	unsigned int value;
+
+	ret = get_dts_property(fifo, "xlnx,axi-str-rxd-tdata-width", &value);
+	if (ret) {
+		dev_err(fifo->dt_device, "missing xlnx,axi-str-rxd-tdata-width property\n");
+		goto end;
+	} else if (value != 32) {
+		dev_err(fifo->dt_device, "xlnx,axi-str-rxd-tdata-width only supports 32 bits\n");
+		ret = -EIO;
+		goto end;
+	}
+
+	ret = get_dts_property(fifo, "xlnx,axi-str-txd-tdata-width", &value);
+	if (ret) {
+		dev_err(fifo->dt_device, "missing xlnx,axi-str-txd-tdata-width property\n");
+		goto end;
+	} else if (value != 32) {
+		dev_err(fifo->dt_device, "xlnx,axi-str-txd-tdata-width only supports 32 bits\n");
+		ret = -EIO;
+		goto end;
+	}
+
+	ret = get_dts_property(fifo, "xlnx,rx-fifo-depth",
+			       &fifo->rx_fifo_depth);
+	if (ret) {
+		dev_err(fifo->dt_device, "missing xlnx,rx-fifo-depth property\n");
+		ret = -EIO;
+		goto end;
+	}
+
+	ret = get_dts_property(fifo, "xlnx,tx-fifo-depth",
+			       &fifo->tx_fifo_depth);
+	if (ret) {
+		dev_err(fifo->dt_device, "missing xlnx,tx-fifo-depth property\n");
+		ret = -EIO;
+		goto end;
+	}
+
+	ret = get_dts_property(fifo, "xlnx,use-rx-data", &fifo->has_rx_fifo);
+	if (ret) {
+		dev_err(fifo->dt_device, "missing xlnx,use-rx-data property\n");
+		ret = -EIO;
+		goto end;
+	}
+
+	ret = get_dts_property(fifo, "xlnx,use-tx-data", &fifo->has_tx_fifo);
+	if (ret) {
+		dev_err(fifo->dt_device, "missing xlnx,use-tx-data property\n");
+		ret = -EIO;
+		goto end;
+	}
+
+end:
+	return ret;
+}
+
 static int axis_fifo_probe(struct platform_device *pdev)
 {
 	struct resource *r_irq; /* interrupt resources */
@@ -713,34 +772,6 @@ static int axis_fifo_probe(struct platform_device *pdev)
 
 	int rc = 0; /* error return value */
 
-	/* IP properties from device tree */
-	unsigned int rxd_tdata_width;
-	unsigned int txc_tdata_width;
-	unsigned int txd_tdata_width;
-	unsigned int tdest_width;
-	unsigned int tid_width;
-	unsigned int tuser_width;
-	unsigned int data_interface_type;
-	unsigned int has_tdest;
-	unsigned int has_tid;
-	unsigned int has_tkeep;
-	unsigned int has_tstrb;
-	unsigned int has_tuser;
-	unsigned int rx_fifo_depth;
-	unsigned int rx_programmable_empty_threshold;
-	unsigned int rx_programmable_full_threshold;
-	unsigned int axi_id_width;
-	unsigned int axi4_data_width;
-	unsigned int select_xpm;
-	unsigned int tx_fifo_depth;
-	unsigned int tx_programmable_empty_threshold;
-	unsigned int tx_programmable_full_threshold;
-	unsigned int use_rx_cut_through;
-	unsigned int use_rx_data;
-	unsigned int use_tx_control;
-	unsigned int use_tx_cut_through;
-	unsigned int use_tx_data;
-
 	/* ----------------------------
 	 *     init wrapper device
 	 * ----------------------------
@@ -807,164 +838,9 @@ static int axis_fifo_probe(struct platform_device *pdev)
 	 * ----------------------------
 	 */
 
-	/* retrieve device tree properties */
-	rc = get_dts_property(fifo, "xlnx,axi-str-rxd-tdata-width",
-			      &rxd_tdata_width);
+	rc = axis_fifo_parse_dt(fifo);
 	if (rc)
 		goto err_unmap;
-	rc = get_dts_property(fifo, "xlnx,axi-str-txc-tdata-width",
-			      &txc_tdata_width);
-	if (rc)
-		goto err_unmap;
-	rc = get_dts_property(fifo, "xlnx,axi-str-txd-tdata-width",
-			      &txd_tdata_width);
-	if (rc)
-		goto err_unmap;
-	rc = get_dts_property(fifo, "xlnx,axis-tdest-width", &tdest_width);
-	if (rc)
-		goto err_unmap;
-	rc = get_dts_property(fifo, "xlnx,axis-tid-width", &tid_width);
-	if (rc)
-		goto err_unmap;
-	rc = get_dts_property(fifo, "xlnx,axis-tuser-width", &tuser_width);
-	if (rc)
-		goto err_unmap;
-	rc = get_dts_property(fifo, "xlnx,data-interface-type",
-			      &data_interface_type);
-	if (rc)
-		goto err_unmap;
-	rc = get_dts_property(fifo, "xlnx,has-axis-tdest", &has_tdest);
-	if (rc)
-		goto err_unmap;
-	rc = get_dts_property(fifo, "xlnx,has-axis-tid", &has_tid);
-	if (rc)
-		goto err_unmap;
-	rc = get_dts_property(fifo, "xlnx,has-axis-tkeep", &has_tkeep);
-	if (rc)
-		goto err_unmap;
-	rc = get_dts_property(fifo, "xlnx,has-axis-tstrb", &has_tstrb);
-	if (rc)
-		goto err_unmap;
-	rc = get_dts_property(fifo, "xlnx,has-axis-tuser", &has_tuser);
-	if (rc)
-		goto err_unmap;
-	rc = get_dts_property(fifo, "xlnx,rx-fifo-depth", &rx_fifo_depth);
-	if (rc)
-		goto err_unmap;
-	rc = get_dts_property(fifo, "xlnx,rx-fifo-pe-threshold",
-			      &rx_programmable_empty_threshold);
-	if (rc)
-		goto err_unmap;
-	rc = get_dts_property(fifo, "xlnx,rx-fifo-pf-threshold",
-			      &rx_programmable_full_threshold);
-	if (rc)
-		goto err_unmap;
-	rc = get_dts_property(fifo, "xlnx,s-axi-id-width", &axi_id_width);
-	if (rc)
-		goto err_unmap;
-	rc = get_dts_property(fifo, "xlnx,s-axi4-data-width", &axi4_data_width);
-	if (rc)
-		goto err_unmap;
-	rc = get_dts_property(fifo, "xlnx,select-xpm", &select_xpm);
-	if (rc)
-		goto err_unmap;
-	rc = get_dts_property(fifo, "xlnx,tx-fifo-depth", &tx_fifo_depth);
-	if (rc)
-		goto err_unmap;
-	rc = get_dts_property(fifo, "xlnx,tx-fifo-pe-threshold",
-			      &tx_programmable_empty_threshold);
-	if (rc)
-		goto err_unmap;
-	rc = get_dts_property(fifo, "xlnx,tx-fifo-pf-threshold",
-			      &tx_programmable_full_threshold);
-	if (rc)
-		goto err_unmap;
-	rc = get_dts_property(fifo, "xlnx,use-rx-cut-through",
-			      &use_rx_cut_through);
-	if (rc)
-		goto err_unmap;
-	rc = get_dts_property(fifo, "xlnx,use-rx-data", &use_rx_data);
-	if (rc)
-		goto err_unmap;
-	rc = get_dts_property(fifo, "xlnx,use-tx-ctrl", &use_tx_control);
-	if (rc)
-		goto err_unmap;
-	rc = get_dts_property(fifo, "xlnx,use-tx-cut-through",
-			      &use_tx_cut_through);
-	if (rc)
-		goto err_unmap;
-	rc = get_dts_property(fifo, "xlnx,use-tx-data", &use_tx_data);
-	if (rc)
-		goto err_unmap;
-
-	/* check validity of device tree properties */
-	if (rxd_tdata_width != 32) {
-		dev_err(fifo->dt_device,
-			"rxd_tdata_width width [%u] unsupported\n",
-			rxd_tdata_width);
-		rc = -EIO;
-		goto err_unmap;
-	}
-	if (txd_tdata_width != 32) {
-		dev_err(fifo->dt_device,
-			"txd_tdata_width width [%u] unsupported\n",
-			txd_tdata_width);
-		rc = -EIO;
-		goto err_unmap;
-	}
-	if (has_tdest) {
-		dev_err(fifo->dt_device, "tdest not supported\n");
-		rc = -EIO;
-		goto err_unmap;
-	}
-	if (has_tid) {
-		dev_err(fifo->dt_device, "tid not supported\n");
-		rc = -EIO;
-		goto err_unmap;
-	}
-	if (has_tkeep) {
-		dev_err(fifo->dt_device, "tkeep not supported\n");
-		rc = -EIO;
-		goto err_unmap;
-	}
-	if (has_tstrb) {
-		dev_err(fifo->dt_device, "tstrb not supported\n");
-		rc = -EIO;
-		goto err_unmap;
-	}
-	if (has_tuser) {
-		dev_err(fifo->dt_device, "tuser not supported\n");
-		rc = -EIO;
-		goto err_unmap;
-	}
-	if (use_rx_cut_through) {
-		dev_err(fifo->dt_device, "rx cut-through not supported\n");
-		rc = -EIO;
-		goto err_unmap;
-	}
-	if (use_tx_cut_through) {
-		dev_err(fifo->dt_device, "tx cut-through not supported\n");
-		rc = -EIO;
-		goto err_unmap;
-	}
-	if (use_tx_control) {
-		dev_err(fifo->dt_device, "tx control not supported\n");
-		rc = -EIO;
-		goto err_unmap;
-	}
-
-	/* TODO
-	 * these exist in the device tree but it's unclear what they do
-	 * - select-xpm
-	 * - data-interface-type
-	 */
-
-	/* set device wrapper properties based on IP config */
-	fifo->rx_fifo_depth = rx_fifo_depth;
-	/* IP sets TDFV to fifo depth - 4 so we will do the same */
-	fifo->tx_fifo_depth = tx_fifo_depth - 4;
-	fifo->has_rx_fifo = use_rx_data;
-	fifo->has_tx_fifo = use_tx_data;
 
 	reset_ip_core(fifo);
 
diff --git a/drivers/staging/axis-fifo/axis-fifo.txt b/drivers/staging/axis-fifo/axis-fifo.txt
index 85d88c010e72..5828e1b8e822 100644
--- a/drivers/staging/axis-fifo/axis-fifo.txt
+++ b/drivers/staging/axis-fifo/axis-fifo.txt
@@ -25,10 +25,10 @@ Required properties:
 - xlnx,axi-str-txc-tdata-width: Should be <0x20>
 - xlnx,axi-str-txd-protocol: Should be "XIL_AXI_STREAM_ETH_DATA"
 - xlnx,axi-str-txd-tdata-width: Should be <0x20>
-- xlnx,axis-tdest-width: AXI-Stream TDEST width
-- xlnx,axis-tid-width: AXI-Stream TID width
-- xlnx,axis-tuser-width: AXI-Stream TUSER width
-- xlnx,data-interface-type: Should be <0x0>
+- xlnx,axis-tdest-width: AXI-Stream TDEST width (ignored by the driver)
+- xlnx,axis-tid-width: AXI-Stream TID width (ignored by the driver)
+- xlnx,axis-tuser-width: AXI-Stream TUSER width (ignored by the driver)
+- xlnx,data-interface-type: Should be <0x0> (ignored by the driver)
 - xlnx,has-axis-tdest: Should be <0x0> (this feature isn't supported)
 - xlnx,has-axis-tid: Should be <0x0> (this feature isn't supported)
 - xlnx,has-axis-tkeep: Should be <0x0> (this feature isn't supported)
@@ -36,13 +36,17 @@ Required properties:
 - xlnx,has-axis-tuser: Should be <0x0> (this feature isn't supported)
 - xlnx,rx-fifo-depth: Depth of RX FIFO in words
 - xlnx,rx-fifo-pe-threshold: RX programmable empty interrupt threshold
+	(ignored by the driver)
 - xlnx,rx-fifo-pf-threshold: RX programmable full interrupt threshold
-- xlnx,s-axi-id-width: Should be <0x4>
-- xlnx,s-axi4-data-width: Should be <0x20>
-- xlnx,select-xpm: Should be <0x0>
+	(ignored by the driver)
+- xlnx,s-axi-id-width: Should be <0x4> (ignored by the driver)
+- xlnx,s-axi4-data-width: Should be <0x20> (ignored by the driver)
+- xlnx,select-xpm: Should be <0x0> (ignored by the driver)
 - xlnx,tx-fifo-depth: Depth of TX FIFO in words
 - xlnx,tx-fifo-pe-threshold: TX programmable empty interrupt threshold
+	(ignored by the driver)
 - xlnx,tx-fifo-pf-threshold: TX programmable full interrupt threshold
+	(ignored by the driver)
 - xlnx,use-rx-cut-through: Should be <0x0> (this feature isn't supported)
 - xlnx,use-rx-data: <0x1> if RX FIFO is enabled, <0x0> otherwise
 - xlnx,use-tx-ctrl: Should be <0x0> (this feature isn't supported)
diff --git a/drivers/staging/iio/impedance-analyzer/ad5933.c b/drivers/staging/iio/impedance-analyzer/ad5933.c
index d384c09d681a..87cef071b26d 100644
--- a/drivers/staging/iio/impedance-analyzer/ad5933.c
+++ b/drivers/staging/iio/impedance-analyzer/ad5933.c
@@ -428,7 +428,7 @@ static ssize_t ad5933_store(struct device *dev,
 		ret = ad5933_cmd(st, 0);
 		break;
 	case AD5933_OUT_SETTLING_CYCLES:
-		val = clamp(val, (u16)0, (u16)0x7FF);
+		val = clamp(val, (u16)0, (u16)0x7FC);
 		st->settling_cycles = val;
 
 		/* 2x, 4x handling, see datasheet */
diff --git a/drivers/target/iscsi/iscsi_target.c b/drivers/target/iscsi/iscsi_target.c
index 7738e249c4a2..d0aa17cd44f0 100644
--- a/drivers/target/iscsi/iscsi_target.c
+++ b/drivers/target/iscsi/iscsi_target.c
@@ -4140,8 +4140,8 @@ int iscsit_close_connection(
 	spin_unlock(&iscsit_global->ts_bitmap_lock);
 
 	iscsit_stop_timers_for_cmds(conn);
-	iscsit_stop_nopin_response_timer(conn);
 	iscsit_stop_nopin_timer(conn);
+	iscsit_stop_nopin_response_timer(conn);
 
 	if (conn->conn_transport->iscsit_wait_conn)
 		conn->conn_transport->iscsit_wait_conn(conn);
diff --git a/drivers/target/target_core_file.c b/drivers/target/target_core_file.c
index 16751ae55d7b..98487116d15e 100644
--- a/drivers/target/target_core_file.c
+++ b/drivers/target/target_core_file.c
@@ -468,6 +468,9 @@ fd_execute_write_same(struct se_cmd *cmd)
 		return TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
 	}
 
+	if (!cmd->t_data_nents)
+		return TCM_INVALID_CDB_FIELD;
+
 	if (cmd->t_data_nents > 1 ||
 	    cmd->t_data_sg[0].length != cmd->se_dev->dev_attrib.block_size) {
 		pr_err("WRITE_SAME: Illegal SGL t_data_nents: %u length: %u"
diff --git a/drivers/target/target_core_iblock.c b/drivers/target/target_core_iblock.c
index 5668d02de10b..1f02817135e3 100644
--- a/drivers/target/target_core_iblock.c
+++ b/drivers/target/target_core_iblock.c
@@ -471,6 +471,10 @@ iblock_execute_write_same(struct se_cmd *cmd)
 		       " backends not supported\n");
 		return TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
 	}
+
+	if (!cmd->t_data_nents)
+		return TCM_INVALID_CDB_FIELD;
+
 	sg = &cmd->t_data_sg[0];
 
 	if (cmd->t_data_nents > 1 ||
diff --git a/drivers/target/target_core_sbc.c b/drivers/target/target_core_sbc.c
index af9b038da3ba..64e4daa1a507 100644
--- a/drivers/target/target_core_sbc.c
+++ b/drivers/target/target_core_sbc.c
@@ -325,6 +325,12 @@ sbc_setup_write_same(struct se_cmd *cmd, unsigned char flags, struct sbc_ops *op
 		pr_warn("WRITE SAME with ANCHOR not supported\n");
 		return TCM_INVALID_CDB_FIELD;
 	}
+
+	if (flags & 0x01) {
+		pr_warn("WRITE SAME with NDOB not supported\n");
+		return TCM_INVALID_CDB_FIELD;
+	}
+
 	/*
 	 * Special case for WRITE_SAME w/ UNMAP=1 that ends up getting
 	 * translated into block discard requests within backend code.
diff --git a/drivers/tee/tee_core.c b/drivers/tee/tee_core.c
index e568cb4b2ffc..7d1af19d5624 100644
--- a/drivers/tee/tee_core.c
+++ b/drivers/tee/tee_core.c
@@ -19,6 +19,7 @@
 #include <linux/fs.h>
 #include <linux/idr.h>
 #include <linux/module.h>
+#include <linux/overflow.h>
 #include <linux/slab.h>
 #include <linux/tee_drv.h>
 #include <linux/uaccess.h>
@@ -26,7 +27,7 @@
 
 #define TEE_NUM_DEVICES	32
 
-#define TEE_IOCTL_PARAM_SIZE(x) (sizeof(struct tee_param) * (x))
+#define TEE_IOCTL_PARAM_SIZE(x) (size_mul(sizeof(struct tee_param), (x)))
 
 /*
  * Unprivileged devices in the lower half range and privileged devices in
@@ -321,7 +322,7 @@ static int tee_ioctl_open_session(struct tee_context *ctx,
 	if (copy_from_user(&arg, uarg, sizeof(arg)))
 		return -EFAULT;
 
-	if (sizeof(arg) + TEE_IOCTL_PARAM_SIZE(arg.num_params) != buf.buf_len)
+	if (size_add(sizeof(arg), TEE_IOCTL_PARAM_SIZE(arg.num_params)) != buf.buf_len)
 		return -EINVAL;
 
 	if (arg.num_params) {
@@ -392,7 +393,7 @@ static int tee_ioctl_invoke(struct tee_context *ctx,
 	if (copy_from_user(&arg, uarg, sizeof(arg)))
 		return -EFAULT;
 
-	if (sizeof(arg) + TEE_IOCTL_PARAM_SIZE(arg.num_params) != buf.buf_len)
+	if (size_add(sizeof(arg), TEE_IOCTL_PARAM_SIZE(arg.num_params)) != buf.buf_len)
 		return -EINVAL;
 
 	if (arg.num_params) {
@@ -526,7 +527,7 @@ static int tee_ioctl_supp_recv(struct tee_context *ctx,
 	if (get_user(num_params, &uarg->num_params))
 		return -EFAULT;
 
-	if (sizeof(*uarg) + TEE_IOCTL_PARAM_SIZE(num_params) != buf.buf_len)
+	if (size_add(sizeof(*uarg), TEE_IOCTL_PARAM_SIZE(num_params)) != buf.buf_len)
 		return -EINVAL;
 
 	params = kcalloc(num_params, sizeof(struct tee_param), GFP_KERNEL);
@@ -625,7 +626,7 @@ static int tee_ioctl_supp_send(struct tee_context *ctx,
 	    get_user(num_params, &uarg->num_params))
 		return -EFAULT;
 
-	if (sizeof(*uarg) + TEE_IOCTL_PARAM_SIZE(num_params) > buf.buf_len)
+	if (size_add(sizeof(*uarg), TEE_IOCTL_PARAM_SIZE(num_params)) > buf.buf_len)
 		return -EINVAL;
 
 	params = kcalloc(num_params, sizeof(struct tee_param), GFP_KERNEL);
diff --git a/drivers/thunderbolt/ctl.c b/drivers/thunderbolt/ctl.c
index dcdfd3767a48..434d4d1ddc62 100644
--- a/drivers/thunderbolt/ctl.c
+++ b/drivers/thunderbolt/ctl.c
@@ -130,6 +130,11 @@ static void tb_cfg_request_dequeue(struct tb_cfg_request *req)
 	struct tb_ctl *ctl = req->ctl;
 
 	mutex_lock(&ctl->request_queue_lock);
+	if (!test_bit(TB_CFG_REQUEST_ACTIVE, &req->flags)) {
+		mutex_unlock(&ctl->request_queue_lock);
+		return;
+	}
+
 	list_del(&req->list);
 	clear_bit(TB_CFG_REQUEST_ACTIVE, &req->flags);
 	if (test_bit(TB_CFG_REQUEST_CANCELED, &req->flags))
diff --git a/drivers/usb/class/usbtmc.c b/drivers/usb/class/usbtmc.c
index 5c98f561272d..77c005760ff4 100644
--- a/drivers/usb/class/usbtmc.c
+++ b/drivers/usb/class/usbtmc.c
@@ -436,6 +436,7 @@ static int usbtmc488_ioctl_read_stb(struct usbtmc_file_data *file_data,
 	u8 tag;
 	__u8 stb;
 	int rv;
+	unsigned long expire;
 
 	dev_dbg(dev, "Enter ioctl_read_stb iin_ep_present: %d\n",
 		data->iin_ep_present);
@@ -478,10 +479,11 @@ static int usbtmc488_ioctl_read_stb(struct usbtmc_file_data *file_data,
 	}
 
 	if (data->iin_ep_present) {
+		expire = msecs_to_jiffies(file_data->timeout);
 		rv = wait_event_interruptible_timeout(
 			data->waitq,
 			atomic_read(&data->iin_data_valid) != 0,
-			file_data->timeout);
+			expire);
 		if (rv < 0) {
 			dev_dbg(dev, "wait interrupted %d\n", rv);
 			goto exit;
@@ -701,7 +703,10 @@ static ssize_t usbtmc_read(struct file *filp, char __user *buf,
 	if (!buffer)
 		return -ENOMEM;
 
-	mutex_lock(&data->io_mutex);
+	retval = mutex_lock_interruptible(&data->io_mutex);
+	if (retval < 0)
+		goto exit_nolock;
+
 	if (data->zombie) {
 		retval = -ENODEV;
 		goto exit;
@@ -832,6 +837,7 @@ static ssize_t usbtmc_read(struct file *filp, char __user *buf,
 
 exit:
 	mutex_unlock(&data->io_mutex);
+exit_nolock:
 	kfree(buffer);
 	return retval;
 }
diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
index 5a97555e450e..774e6eb072b2 100644
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -5754,6 +5754,7 @@ static int usb_reset_and_verify_device(struct usb_device *udev)
 	struct usb_hub			*parent_hub;
 	struct usb_hcd			*hcd = bus_to_hcd(udev->bus);
 	struct usb_device_descriptor	descriptor = udev->descriptor;
+	struct usb_interface		*intf;
 	struct usb_host_bos		*bos;
 	int				i, j, ret = 0;
 	int				port1 = udev->portnum;
@@ -5815,6 +5816,18 @@ static int usb_reset_and_verify_device(struct usb_device *udev)
 	if (!udev->actconfig)
 		goto done;
 
+	/*
+	 * Some devices can't handle setting default altsetting 0 with a
+	 * Set-Interface request. Disable host-side endpoints of those
+	 * interfaces here. Enable and reset them back after host has set
+	 * its internal endpoint structures during usb_hcd_alloc_bandwith()
+	 */
+	for (i = 0; i < udev->actconfig->desc.bNumInterfaces; i++) {
+		intf = udev->actconfig->interface[i];
+		if (intf->cur_altsetting->desc.bAlternateSetting == 0)
+			usb_disable_interface(udev, intf, true);
+	}
+
 	mutex_lock(hcd->bandwidth_mutex);
 	ret = usb_hcd_alloc_bandwidth(udev, udev->actconfig, NULL, NULL);
 	if (ret < 0) {
@@ -5846,12 +5859,11 @@ static int usb_reset_and_verify_device(struct usb_device *udev)
 	 */
 	for (i = 0; i < udev->actconfig->desc.bNumInterfaces; i++) {
 		struct usb_host_config *config = udev->actconfig;
-		struct usb_interface *intf = config->interface[i];
 		struct usb_interface_descriptor *desc;
 
+		intf = config->interface[i];
 		desc = &intf->cur_altsetting->desc;
 		if (desc->bAlternateSetting == 0) {
-			usb_disable_interface(udev, intf, true);
 			usb_enable_interface(udev, intf, true);
 			ret = 0;
 		} else {
diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c
index 98d78bbadb77..98b1c457a091 100644
--- a/drivers/usb/core/quirks.c
+++ b/drivers/usb/core/quirks.c
@@ -369,6 +369,9 @@ static const struct usb_device_id usb_quirk_list[] = {
 	/* SanDisk Corp. SanDisk 3.2Gen1 */
 	{ USB_DEVICE(0x0781, 0x55a3), .driver_info = USB_QUIRK_DELAY_INIT },
 
+	/* SanDisk Extreme 55AE */
+	{ USB_DEVICE(0x0781, 0x55ae), .driver_info = USB_QUIRK_NO_LPM },
+
 	/* Realforce 87U Keyboard */
 	{ USB_DEVICE(0x0853, 0x011b), .driver_info = USB_QUIRK_NO_LPM },
 
diff --git a/drivers/usb/gadget/function/f_hid.c b/drivers/usb/gadget/function/f_hid.c
index b18d44f04e37..c1320f41e0e4 100644
--- a/drivers/usb/gadget/function/f_hid.c
+++ b/drivers/usb/gadget/function/f_hid.c
@@ -114,8 +114,8 @@ static struct hid_descriptor hidg_desc = {
 	.bcdHID				= cpu_to_le16(0x0101),
 	.bCountryCode			= 0x00,
 	.bNumDescriptors		= 0x1,
-	/*.desc[0].bDescriptorType	= DYNAMIC */
-	/*.desc[0].wDescriptorLenght	= DYNAMIC */
+	/*.rpt_desc.bDescriptorType	= DYNAMIC */
+	/*.rpt_desc.wDescriptorLength	= DYNAMIC */
 };
 
 /* Super-Speed Support */
@@ -730,8 +730,8 @@ static int hidg_setup(struct usb_function *f,
 			struct hid_descriptor hidg_desc_copy = hidg_desc;
 
 			VDBG(cdev, "USB_REQ_GET_DESCRIPTOR: HID\n");
-			hidg_desc_copy.desc[0].bDescriptorType = HID_DT_REPORT;
-			hidg_desc_copy.desc[0].wDescriptorLength =
+			hidg_desc_copy.rpt_desc.bDescriptorType = HID_DT_REPORT;
+			hidg_desc_copy.rpt_desc.wDescriptorLength =
 				cpu_to_le16(hidg->report_desc_length);
 
 			length = min_t(unsigned short, length,
@@ -972,8 +972,8 @@ static int hidg_bind(struct usb_configuration *c, struct usb_function *f)
 	 * We can use hidg_desc struct here but we should not relay
 	 * that its content won't change after returning from this function.
 	 */
-	hidg_desc.desc[0].bDescriptorType = HID_DT_REPORT;
-	hidg_desc.desc[0].wDescriptorLength =
+	hidg_desc.rpt_desc.bDescriptorType = HID_DT_REPORT;
+	hidg_desc.rpt_desc.wDescriptorLength =
 		cpu_to_le16(hidg->report_desc_length);
 
 	hidg_hs_in_ep_desc.bEndpointAddress =
diff --git a/drivers/usb/host/uhci-platform.c b/drivers/usb/host/uhci-platform.c
index 813ff3660e9f..7c16f408a940 100644
--- a/drivers/usb/host/uhci-platform.c
+++ b/drivers/usb/host/uhci-platform.c
@@ -122,7 +122,7 @@ static int uhci_hcd_platform_probe(struct platform_device *pdev)
 	}
 
 	/* Get and enable clock if any specified */
-	uhci->clk = devm_clk_get(&pdev->dev, NULL);
+	uhci->clk = devm_clk_get_optional(&pdev->dev, NULL);
 	if (IS_ERR(uhci->clk)) {
 		ret = PTR_ERR(uhci->clk);
 		goto err_rmr;
diff --git a/drivers/usb/storage/unusual_uas.h b/drivers/usb/storage/unusual_uas.h
index b8b1c2678d84..ff296434d601 100644
--- a/drivers/usb/storage/unusual_uas.h
+++ b/drivers/usb/storage/unusual_uas.h
@@ -52,6 +52,13 @@ UNUSUAL_DEV(0x059f, 0x1061, 0x0000, 0x9999,
 		USB_SC_DEVICE, USB_PR_DEVICE, NULL,
 		US_FL_NO_REPORT_OPCODES | US_FL_NO_SAME),
 
+/* Reported-by: Zhihong Zhou <zhouzhihong@greatwall.com.cn> */
+UNUSUAL_DEV(0x0781, 0x55e8, 0x0000, 0x9999,
+		"SanDisk",
+		"",
+		USB_SC_DEVICE, USB_PR_DEVICE, NULL,
+		US_FL_IGNORE_UAS),
+
 /* Reported-by: Hongling Zeng <zenghongling@kylinos.cn> */
 UNUSUAL_DEV(0x090c, 0x2000, 0x0000, 0x9999,
 		"Hiksemi",
diff --git a/drivers/usb/typec/tcpm.c b/drivers/usb/typec/tcpm.c
index 7b782b0b4737..a8d8f94707d4 100644
--- a/drivers/usb/typec/tcpm.c
+++ b/drivers/usb/typec/tcpm.c
@@ -3750,7 +3750,7 @@ static void _tcpm_cc_change(struct tcpm_port *port, enum typec_cc_status cc1,
 	case SNK_TRY_WAIT_DEBOUNCE:
 		if (!tcpm_port_is_sink(port)) {
 			port->max_wait = 0;
-			tcpm_set_state(port, SRC_TRYWAIT, 0);
+			tcpm_set_state(port, SRC_TRYWAIT, PD_T_PD_DEBOUNCE);
 		}
 		break;
 	case SRC_TRY_WAIT:
diff --git a/drivers/video/console/vgacon.c b/drivers/video/console/vgacon.c
index 23f15f42e5cb..6a7c0ea1184e 100644
--- a/drivers/video/console/vgacon.c
+++ b/drivers/video/console/vgacon.c
@@ -1198,7 +1198,7 @@ static bool vgacon_scroll(struct vc_data *c, unsigned int t, unsigned int b,
 				     c->vc_screenbuf_size - delta);
 			c->vc_origin = vga_vram_end - c->vc_screenbuf_size;
 			vga_rolled_over = 0;
-		} else
+		} else if (oldo - delta >= (unsigned long)c->vc_screenbuf)
 			c->vc_origin -= delta;
 		c->vc_scr_end = c->vc_origin + c->vc_screenbuf_size;
 		scr_memsetw((u16 *) (c->vc_origin), c->vc_video_erase_char,
diff --git a/drivers/video/fbdev/core/fbcvt.c b/drivers/video/fbdev/core/fbcvt.c
index 64843464c661..cd3821bd82e5 100644
--- a/drivers/video/fbdev/core/fbcvt.c
+++ b/drivers/video/fbdev/core/fbcvt.c
@@ -312,7 +312,7 @@ int fb_find_mode_cvt(struct fb_videomode *mode, int margins, int rb)
 	cvt.f_refresh = cvt.refresh;
 	cvt.interlace = 1;
 
-	if (!cvt.xres || !cvt.yres || !cvt.refresh) {
+	if (!cvt.xres || !cvt.yres || !cvt.refresh || cvt.f_refresh > INT_MAX) {
 		printk(KERN_INFO "fbcvt: Invalid input parameters\n");
 		return 1;
 	}
diff --git a/drivers/video/fbdev/core/tileblit.c b/drivers/video/fbdev/core/tileblit.c
index adff8d6ffe6f..64c60fcb92d7 100644
--- a/drivers/video/fbdev/core/tileblit.c
+++ b/drivers/video/fbdev/core/tileblit.c
@@ -77,7 +77,42 @@ static void tile_putcs(struct vc_data *vc, struct fb_info *info,
 static void tile_clear_margins(struct vc_data *vc, struct fb_info *info,
 			       int color, int bottom_only)
 {
-	return;
+	unsigned int cw = vc->vc_font.width;
+	unsigned int ch = vc->vc_font.height;
+	unsigned int rw = info->var.xres - (vc->vc_cols*cw);
+	unsigned int bh = info->var.yres - (vc->vc_rows*ch);
+	unsigned int rs = info->var.xres - rw;
+	unsigned int bs = info->var.yres - bh;
+	unsigned int vwt = info->var.xres_virtual / cw;
+	unsigned int vht = info->var.yres_virtual / ch;
+	struct fb_tilerect rect;
+
+	rect.index = vc->vc_video_erase_char &
+		((vc->vc_hi_font_mask) ? 0x1ff : 0xff);
+	rect.fg = color;
+	rect.bg = color;
+
+	if ((int) rw > 0 && !bottom_only) {
+		rect.sx = (info->var.xoffset + rs + cw - 1) / cw;
+		rect.sy = 0;
+		rect.width = (rw + cw - 1) / cw;
+		rect.height = vht;
+		if (rect.width + rect.sx > vwt)
+			rect.width = vwt - rect.sx;
+		if (rect.sx < vwt)
+			info->tileops->fb_tilefill(info, &rect);
+	}
+
+	if ((int) bh > 0) {
+		rect.sx = info->var.xoffset / cw;
+		rect.sy = (info->var.yoffset + bs) / ch;
+		rect.width = rs / cw;
+		rect.height = (bh + ch - 1) / ch;
+		if (rect.height + rect.sy > vht)
+			rect.height = vht - rect.sy;
+		if (rect.sy < vht)
+			info->tileops->fb_tilefill(info, &rect);
+	}
 }
 
 static void tile_cursor(struct vc_data *vc, struct fb_info *info, int mode,
diff --git a/drivers/video/fbdev/fsl-diu-fb.c b/drivers/video/fbdev/fsl-diu-fb.c
index 0a86a9161408..2ee84869bfd1 100644
--- a/drivers/video/fbdev/fsl-diu-fb.c
+++ b/drivers/video/fbdev/fsl-diu-fb.c
@@ -1834,6 +1834,7 @@ static int fsl_diu_remove(struct platform_device *pdev)
 	int i;
 
 	data = dev_get_drvdata(&pdev->dev);
+	device_remove_file(&pdev->dev, &data->dev_attr);
 	disable_lcdc(&data->fsl_diu_info[0]);
 
 	free_irq(data->irq, data->diu_reg);
diff --git a/drivers/watchdog/da9052_wdt.c b/drivers/watchdog/da9052_wdt.c
index e263bad99574..7ed31665e0c9 100644
--- a/drivers/watchdog/da9052_wdt.c
+++ b/drivers/watchdog/da9052_wdt.c
@@ -164,6 +164,7 @@ static int da9052_wdt_probe(struct platform_device *pdev)
 	da9052_wdt = &driver_data->wdt;
 
 	da9052_wdt->timeout = DA9052_DEF_TIMEOUT;
+	da9052_wdt->min_hw_heartbeat_ms = DA9052_TWDMIN;
 	da9052_wdt->info = &da9052_wdt_info;
 	da9052_wdt->ops = &da9052_wdt_ops;
 	da9052_wdt->parent = &pdev->dev;
diff --git a/drivers/xen/platform-pci.c b/drivers/xen/platform-pci.c
index c7e190e5db30..6e35ccc671cf 100644
--- a/drivers/xen/platform-pci.c
+++ b/drivers/xen/platform-pci.c
@@ -39,6 +39,8 @@
 
 #define DRV_NAME    "xen-platform-pci"
 
+#define PCI_DEVICE_ID_XEN_PLATFORM_XS61	0x0002
+
 static unsigned long platform_mmio;
 static unsigned long platform_mmio_alloc;
 static unsigned long platform_mmiolen;
@@ -180,6 +182,8 @@ pci_out:
 static const struct pci_device_id platform_pci_tbl[] = {
 	{PCI_VENDOR_ID_XEN, PCI_DEVICE_ID_XEN_PLATFORM,
 		PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
+	{PCI_VENDOR_ID_XEN, PCI_DEVICE_ID_XEN_PLATFORM_XS61,
+		PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
 	{0,}
 };
 
diff --git a/drivers/xen/xenbus/xenbus.h b/drivers/xen/xenbus/xenbus.h
index 88516a8a9f93..39e8aee26378 100644
--- a/drivers/xen/xenbus/xenbus.h
+++ b/drivers/xen/xenbus/xenbus.h
@@ -77,6 +77,7 @@ enum xb_req_state {
 struct xb_req_data {
 	struct list_head list;
 	wait_queue_head_t wq;
+	struct kref kref;
 	struct xsd_sockmsg msg;
 	uint32_t caller_req_id;
 	enum xsd_sockmsg_type type;
@@ -103,6 +104,7 @@ int xb_init_comms(void);
 void xb_deinit_comms(void);
 int xs_watch_msg(struct xs_watch_event *event);
 void xs_request_exit(struct xb_req_data *req);
+void xs_free_req(struct kref *kref);
 
 int xenbus_match(struct device *_dev, struct device_driver *_drv);
 int xenbus_dev_probe(struct device *_dev);
diff --git a/drivers/xen/xenbus/xenbus_comms.c b/drivers/xen/xenbus/xenbus_comms.c
index e5fda0256feb..82df2da1b880 100644
--- a/drivers/xen/xenbus/xenbus_comms.c
+++ b/drivers/xen/xenbus/xenbus_comms.c
@@ -309,8 +309,8 @@ static int process_msg(void)
 			virt_wmb();
 			req->state = xb_req_state_got_reply;
 			req->cb(req);
-		} else
-			kfree(req);
+		}
+		kref_put(&req->kref, xs_free_req);
 	}
 
 	mutex_unlock(&xs_response_mutex);
@@ -386,14 +386,13 @@ static int process_writes(void)
 	state.req->msg.type = XS_ERROR;
 	state.req->err = err;
 	list_del(&state.req->list);
-	if (state.req->state == xb_req_state_aborted)
-		kfree(state.req);
-	else {
+	if (state.req->state != xb_req_state_aborted) {
 		/* write err, then update state */
 		virt_wmb();
 		state.req->state = xb_req_state_got_reply;
 		wake_up(&state.req->wq);
 	}
+	kref_put(&state.req->kref, xs_free_req);
 
 	mutex_unlock(&xb_write_mutex);
 
diff --git a/drivers/xen/xenbus/xenbus_dev_frontend.c b/drivers/xen/xenbus/xenbus_dev_frontend.c
index 1c1dadfd4e4d..b8940c7fba0b 100644
--- a/drivers/xen/xenbus/xenbus_dev_frontend.c
+++ b/drivers/xen/xenbus/xenbus_dev_frontend.c
@@ -406,7 +406,7 @@ void xenbus_dev_queue_reply(struct xb_req_data *req)
 	mutex_unlock(&u->reply_mutex);
 
 	kfree(req->body);
-	kfree(req);
+	kref_put(&req->kref, xs_free_req);
 
 	kref_put(&u->kref, xenbus_file_free);
 
diff --git a/drivers/xen/xenbus/xenbus_probe.c b/drivers/xen/xenbus/xenbus_probe.c
index fd686b962727..17705f82f85f 100644
--- a/drivers/xen/xenbus/xenbus_probe.c
+++ b/drivers/xen/xenbus/xenbus_probe.c
@@ -881,9 +881,15 @@ static int __init xenbus_init(void)
 	if (xen_pv_domain())
 		xen_store_domain_type = XS_PV;
 	if (xen_hvm_domain())
+	{
 		xen_store_domain_type = XS_HVM;
-	if (xen_hvm_domain() && xen_initial_domain())
-		xen_store_domain_type = XS_LOCAL;
+		err = hvm_get_parameter(HVM_PARAM_STORE_EVTCHN, &v);
+		if (err)
+			goto out_error;
+		xen_store_evtchn = (int)v;
+		if (!v && xen_initial_domain())
+			xen_store_domain_type = XS_LOCAL;
+	}
 	if (xen_pv_domain() && !xen_start_info->store_evtchn)
 		xen_store_domain_type = XS_LOCAL;
 	if (xen_pv_domain() && xen_start_info->store_evtchn)
@@ -902,10 +908,6 @@ static int __init xenbus_init(void)
 		xen_store_interface = gfn_to_virt(xen_store_gfn);
 		break;
 	case XS_HVM:
-		err = hvm_get_parameter(HVM_PARAM_STORE_EVTCHN, &v);
-		if (err)
-			goto out_error;
-		xen_store_evtchn = (int)v;
 		err = hvm_get_parameter(HVM_PARAM_STORE_PFN, &v);
 		if (err)
 			goto out_error;
diff --git a/drivers/xen/xenbus/xenbus_xs.c b/drivers/xen/xenbus/xenbus_xs.c
index 12e02eb01f59..a4dd92719e7a 100644
--- a/drivers/xen/xenbus/xenbus_xs.c
+++ b/drivers/xen/xenbus/xenbus_xs.c
@@ -112,6 +112,12 @@ static void xs_suspend_exit(void)
 	wake_up_all(&xs_state_enter_wq);
 }
 
+void xs_free_req(struct kref *kref)
+{
+	struct xb_req_data *req = container_of(kref, struct xb_req_data, kref);
+	kfree(req);
+}
+
 static uint32_t xs_request_enter(struct xb_req_data *req)
 {
 	uint32_t rq_id;
@@ -237,6 +243,12 @@ static void xs_send(struct xb_req_data *req, struct xsd_sockmsg *msg)
 	req->caller_req_id = req->msg.req_id;
 	req->msg.req_id = xs_request_enter(req);
 
+	/*
+	 * Take 2nd ref.  One for this thread, and the second for the
+	 * xenbus_thread.
+	 */
+	kref_get(&req->kref);
+
 	mutex_lock(&xb_write_mutex);
 	list_add_tail(&req->list, &xb_write_list);
 	notify = list_is_singular(&xb_write_list);
@@ -261,8 +273,8 @@ static void *xs_wait_for_reply(struct xb_req_data *req, struct xsd_sockmsg *msg)
 	if (req->state == xb_req_state_queued ||
 	    req->state == xb_req_state_wait_reply)
 		req->state = xb_req_state_aborted;
-	else
-		kfree(req);
+
+	kref_put(&req->kref, xs_free_req);
 	mutex_unlock(&xb_write_mutex);
 
 	return ret;
@@ -291,6 +303,7 @@ int xenbus_dev_request_and_reply(struct xsd_sockmsg *msg, void *par)
 	req->cb = xenbus_dev_queue_reply;
 	req->par = par;
 	req->user_req = true;
+	kref_init(&req->kref);
 
 	xs_send(req, msg);
 
@@ -319,6 +332,7 @@ static void *xs_talkv(struct xenbus_transaction t,
 	req->num_vecs = num_vecs;
 	req->cb = xs_wake_up;
 	req->user_req = false;
+	kref_init(&req->kref);
 
 	msg.req_id = 0;
 	msg.tx_id = t.id;
diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index 504d63fb81fa..c8fbd9474f4b 100644
--- a/fs/btrfs/extent_io.c
+++ b/fs/btrfs/extent_io.c
@@ -5008,10 +5008,10 @@ struct extent_buffer *find_extent_buffer(struct btrfs_fs_info *fs_info,
 	return NULL;
 }
 
-#ifdef CONFIG_BTRFS_FS_RUN_SANITY_TESTS
 struct extent_buffer *alloc_test_extent_buffer(struct btrfs_fs_info *fs_info,
 					u64 start)
 {
+#ifdef CONFIG_BTRFS_FS_RUN_SANITY_TESTS
 	struct extent_buffer *eb, *exists = NULL;
 	int ret;
 
@@ -5054,8 +5054,11 @@ again:
 free_eb:
 	btrfs_release_extent_buffer(eb);
 	return exists;
-}
+#else
+	/* Stub to avoid linker error when compiled with optimizations turned off. */
+	return NULL;
 #endif
+}
 
 struct extent_buffer *alloc_extent_buffer(struct btrfs_fs_info *fs_info,
 					  u64 start)
diff --git a/fs/btrfs/send.c b/fs/btrfs/send.c
index 2840abf2037b..8fa8d6780a67 100644
--- a/fs/btrfs/send.c
+++ b/fs/btrfs/send.c
@@ -382,10 +382,8 @@ static int fs_path_ensure_buf(struct fs_path *p, int len)
 	if (p->buf_len >= len)
 		return 0;
 
-	if (len > PATH_MAX) {
-		WARN_ON(1);
-		return -ENOMEM;
-	}
+	if (WARN_ON(len > PATH_MAX))
+		return -ENAMETOOLONG;
 
 	path_len = p->end - p->start;
 	old_buf_len = p->buf_len;
diff --git a/fs/cifs/readdir.c b/fs/cifs/readdir.c
index 3925a7bfc74d..c3156f602b20 100644
--- a/fs/cifs/readdir.c
+++ b/fs/cifs/readdir.c
@@ -621,7 +621,10 @@ find_cifs_entry(const unsigned int xid, struct cifs_tcon *tcon, loff_t pos,
 			else
 				cifs_buf_release(cfile->srch_inf.
 						ntwrk_buf_start);
+			/* Reset all pointers to the network buffer to prevent stale references */
 			cfile->srch_inf.ntwrk_buf_start = NULL;
+			cfile->srch_inf.srch_entries_start = NULL;
+			cfile->srch_inf.last_entry = NULL;
 		}
 		rc = initiate_cifs_search(xid, file);
 		if (rc) {
@@ -644,11 +647,11 @@ find_cifs_entry(const unsigned int xid, struct cifs_tcon *tcon, loff_t pos,
 		rc = server->ops->query_dir_next(xid, tcon, &cfile->fid,
 						 search_flags,
 						 &cfile->srch_inf);
+		if (rc)
+			return -ENOENT;
 		/* FindFirst/Next set last_entry to NULL on malformed reply */
 		if (cfile->srch_inf.last_entry)
 			cifs_save_resume_key(cfile->srch_inf.last_entry, cfile);
-		if (rc)
-			return -ENOENT;
 	}
 	if (index_to_find < cfile->srch_inf.index_of_last_entry) {
 		/* we found the buffer that contains the entry */
diff --git a/fs/configfs/dir.c b/fs/configfs/dir.c
index 796a6cd5f302..90d18fbcc91a 100644
--- a/fs/configfs/dir.c
+++ b/fs/configfs/dir.c
@@ -635,7 +635,7 @@ static int populate_attrs(struct config_item *item)
 				break;
 		}
 	}
-	if (t->ct_bin_attrs) {
+	if (!error && t->ct_bin_attrs) {
 		for (i = 0; (bin_attr = t->ct_bin_attrs[i]) != NULL; i++) {
 			error = configfs_create_bin_file(item, bin_attr);
 			if (error)
diff --git a/fs/coredump.c b/fs/coredump.c
index ef7ed64947e9..277c864a025a 100644
--- a/fs/coredump.c
+++ b/fs/coredump.c
@@ -522,7 +522,9 @@ static int umh_pipe_setup(struct subprocess_info *info, struct cred *new)
 {
 	struct file *files[2];
 	struct coredump_params *cp = (struct coredump_params *)info->data;
-	int err = create_pipe_files(files, 0);
+	int err;
+
+	err = create_pipe_files(files, 0);
 	if (err)
 		return err;
 
@@ -530,10 +532,13 @@ static int umh_pipe_setup(struct subprocess_info *info, struct cred *new)
 
 	err = replace_fd(0, files[0], 0);
 	fput(files[0]);
+	if (err < 0)
+		return err;
+
 	/* and disallow core files too */
 	current->signal->rlim[RLIMIT_CORE] = (struct rlimit){1, 1};
 
-	return err;
+	return 0;
 }
 
 void do_coredump(const siginfo_t *siginfo)
diff --git a/fs/ext4/balloc.c b/fs/ext4/balloc.c
index 9761aeb4b224..b8db329de13b 100644
--- a/fs/ext4/balloc.c
+++ b/fs/ext4/balloc.c
@@ -609,8 +609,8 @@ static int ext4_has_free_clusters(struct ext4_sb_info *sbi,
 	/* Hm, nope.  Are (enough) root reserved clusters available? */
 	if (uid_eq(sbi->s_resuid, current_fsuid()) ||
 	    (!gid_eq(sbi->s_resgid, GLOBAL_ROOT_GID) && in_group_p(sbi->s_resgid)) ||
-	    capable(CAP_SYS_RESOURCE) ||
-	    (flags & EXT4_MB_USE_ROOT_BLOCKS)) {
+	    (flags & EXT4_MB_USE_ROOT_BLOCKS) ||
+	    capable(CAP_SYS_RESOURCE)) {
 
 		if (free_clusters >= (nclusters + dirty_clusters +
 				      resv_clusters))
diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c
index 4f2b48627db0..5b58a0e12100 100644
--- a/fs/ext4/extents.c
+++ b/fs/ext4/extents.c
@@ -2513,18 +2513,19 @@ int ext4_ext_calc_credits_for_single_extent(struct inode *inode, int nrblocks,
 int ext4_ext_index_trans_blocks(struct inode *inode, int extents)
 {
 	int index;
-	int depth;
 
 	/* If we are converting the inline data, only one is needed here. */
 	if (ext4_has_inline_data(inode))
 		return 1;
 
-	depth = ext_depth(inode);
-
+	/*
+	 * Extent tree can change between the time we estimate credits and
+	 * the time we actually modify the tree. Assume the worst case.
+	 */
 	if (extents <= 1)
-		index = depth * 2;
+		index = EXT4_MAX_EXTENT_DEPTH * 2;
 	else
-		index = depth * 3;
+		index = EXT4_MAX_EXTENT_DEPTH * 3;
 
 	return index;
 }
diff --git a/fs/ext4/inline.c b/fs/ext4/inline.c
index 2230b3647962..8881f981f613 100644
--- a/fs/ext4/inline.c
+++ b/fs/ext4/inline.c
@@ -389,7 +389,7 @@ out:
 }
 
 static int ext4_prepare_inline_data(handle_t *handle, struct inode *inode,
-				    unsigned int len)
+				    loff_t len)
 {
 	int ret, size, no_expand;
 	struct ext4_inode_info *ei = EXT4_I(inode);
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index f90aaa16bdee..b572882c4a4e 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -1756,8 +1756,15 @@ static inline void dec_valid_block_count(struct f2fs_sb_info *sbi,
 	blkcnt_t sectors = count << F2FS_LOG_SECTORS_PER_BLOCK;
 
 	spin_lock(&sbi->stat_lock);
-	f2fs_bug_on(sbi, sbi->total_valid_block_count < (block_t) count);
-	sbi->total_valid_block_count -= (block_t)count;
+	if (unlikely(sbi->total_valid_block_count < count)) {
+		f2fs_msg(sbi->sb, KERN_WARNING,
+			 "Inconsistent total_valid_block_count:%u, ino:%lu, count:%u",
+			 sbi->total_valid_block_count, inode->i_ino, count);
+		sbi->total_valid_block_count = 0;
+		set_sbi_flag(sbi, SBI_NEED_FSCK);
+	} else {
+		sbi->total_valid_block_count -= count;
+	}
 	if (sbi->reserved_blocks &&
 		sbi->current_reserved_blocks < sbi->reserved_blocks)
 		sbi->current_reserved_blocks = min(sbi->reserved_blocks,
diff --git a/fs/f2fs/namei.c b/fs/f2fs/namei.c
index 2eb7b0e2b34a..737960388554 100644
--- a/fs/f2fs/namei.c
+++ b/fs/f2fs/namei.c
@@ -327,7 +327,7 @@ static int f2fs_link(struct dentry *old_dentry, struct inode *dir,
 
 	if (is_inode_flag_set(dir, FI_PROJ_INHERIT) &&
 			(!projid_eq(F2FS_I(dir)->i_projid,
-			F2FS_I(old_dentry->d_inode)->i_projid)))
+			F2FS_I(inode)->i_projid)))
 		return -EXDEV;
 
 	err = dquot_initialize(dir);
@@ -525,6 +525,16 @@ static int f2fs_unlink(struct inode *dir, struct dentry *dentry)
 		goto fail;
 	}
 
+	if (unlikely(inode->i_nlink == 0)) {
+		f2fs_msg(inode->i_sb, KERN_WARNING,
+			 "%s: inode (ino=%lx) has zero i_nlink",
+			 __func__, inode->i_ino);
+		err = -EFSCORRUPTED;
+		set_sbi_flag(F2FS_I_SB(inode), SBI_NEED_FSCK);
+		f2fs_put_page(page, 0);
+		goto fail;
+	}
+
 	f2fs_balance_fs(sbi, true);
 
 	f2fs_lock_op(sbi);
@@ -840,7 +850,7 @@ static int f2fs_rename(struct inode *old_dir, struct dentry *old_dentry,
 
 	if (is_inode_flag_set(new_dir, FI_PROJ_INHERIT) &&
 			(!projid_eq(F2FS_I(new_dir)->i_projid,
-			F2FS_I(old_dentry->d_inode)->i_projid)))
+			F2FS_I(old_inode)->i_projid)))
 		return -EXDEV;
 
 	if (flags & RENAME_WHITEOUT) {
@@ -1032,10 +1042,10 @@ static int f2fs_cross_rename(struct inode *old_dir, struct dentry *old_dentry,
 
 	if ((is_inode_flag_set(new_dir, FI_PROJ_INHERIT) &&
 			!projid_eq(F2FS_I(new_dir)->i_projid,
-			F2FS_I(old_dentry->d_inode)->i_projid)) ||
-	    (is_inode_flag_set(new_dir, FI_PROJ_INHERIT) &&
+			F2FS_I(old_inode)->i_projid)) ||
+	    (is_inode_flag_set(old_dir, FI_PROJ_INHERIT) &&
 			!projid_eq(F2FS_I(old_dir)->i_projid,
-			F2FS_I(new_dentry->d_inode)->i_projid)))
+			F2FS_I(new_inode)->i_projid)))
 		return -EXDEV;
 
 	err = dquot_initialize(old_dir);
diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
index a667d263093f..10d41be43c1c 100644
--- a/fs/f2fs/super.c
+++ b/fs/f2fs/super.c
@@ -1219,9 +1219,9 @@ static int f2fs_statfs(struct dentry *dentry, struct kstatfs *buf)
 	buf->f_fsid.val[1] = (u32)(id >> 32);
 
 #ifdef CONFIG_QUOTA
-	if (is_inode_flag_set(dentry->d_inode, FI_PROJ_INHERIT) &&
+	if (is_inode_flag_set(d_inode(dentry), FI_PROJ_INHERIT) &&
 			sb_has_quota_limits_enabled(sb, PRJQUOTA)) {
-		f2fs_statfs_project(sb, F2FS_I(dentry->d_inode)->i_projid, buf);
+		f2fs_statfs_project(sb, F2FS_I(d_inode(dentry))->i_projid, buf);
 	}
 #endif
 	return 0;
diff --git a/fs/filesystems.c b/fs/filesystems.c
index 181200daeeba..56eb32f55313 100644
--- a/fs/filesystems.c
+++ b/fs/filesystems.c
@@ -151,15 +151,19 @@ static int fs_index(const char __user * __name)
 static int fs_name(unsigned int index, char __user * buf)
 {
 	struct file_system_type * tmp;
-	int len, res;
+	int len, res = -EINVAL;
 
 	read_lock(&file_systems_lock);
-	for (tmp = file_systems; tmp; tmp = tmp->next, index--)
-		if (index <= 0 && try_module_get(tmp->owner))
+	for (tmp = file_systems; tmp; tmp = tmp->next, index--) {
+		if (index == 0) {
+			if (try_module_get(tmp->owner))
+				res = 0;
 			break;
+		}
+	}
 	read_unlock(&file_systems_lock);
-	if (!tmp)
-		return -EINVAL;
+	if (res)
+		return res;
 
 	/* OK, we got the reference, so we can safely block */
 	len = strlen(tmp->name) + 1;
diff --git a/fs/gfs2/inode.c b/fs/gfs2/inode.c
index 16febedaa4a5..f954f669f434 100644
--- a/fs/gfs2/inode.c
+++ b/fs/gfs2/inode.c
@@ -619,7 +619,8 @@ static int gfs2_create_inode(struct inode *dir, struct dentry *dentry,
 	if (!IS_ERR(inode)) {
 		if (S_ISDIR(inode->i_mode)) {
 			iput(inode);
-			inode = ERR_PTR(-EISDIR);
+			inode = NULL;
+			error = -EISDIR;
 			goto fail_gunlock;
 		}
 		d_instantiate(dentry, inode);
diff --git a/fs/gfs2/lock_dlm.c b/fs/gfs2/lock_dlm.c
index 9e90e42c495e..675ccd706b13 100644
--- a/fs/gfs2/lock_dlm.c
+++ b/fs/gfs2/lock_dlm.c
@@ -908,14 +908,15 @@ locks_done:
 		if (sdp->sd_args.ar_spectator) {
 			fs_info(sdp, "Recovery is required. Waiting for a "
 				"non-spectator to mount.\n");
+			spin_unlock(&ls->ls_recover_spin);
 			msleep_interruptible(1000);
 		} else {
 			fs_info(sdp, "control_mount wait1 block %u start %u "
 				"mount %u lvb %u flags %lx\n", block_gen,
 				start_gen, mount_gen, lvb_gen,
 				ls->ls_recover_flags);
+			spin_unlock(&ls->ls_recover_spin);
 		}
-		spin_unlock(&ls->ls_recover_spin);
 		goto restart;
 	}
 
diff --git a/fs/jbd2/transaction.c b/fs/jbd2/transaction.c
index dbad00c20aa1..88ca34b18739 100644
--- a/fs/jbd2/transaction.c
+++ b/fs/jbd2/transaction.c
@@ -1382,7 +1382,6 @@ int jbd2_journal_dirty_metadata(handle_t *handle, struct buffer_head *bh)
 		goto out;
 	}
 
-	journal = transaction->t_journal;
 	jbd_lock_bh_state(bh);
 
 	if (is_handle_aborted(handle)) {
@@ -1397,6 +1396,8 @@ int jbd2_journal_dirty_metadata(handle_t *handle, struct buffer_head *bh)
 		goto out_unlock_bh;
 	}
 
+	journal = transaction->t_journal;
+
 	if (jh->b_modified == 0) {
 		/*
 		 * This buffer's got modified and becoming part
diff --git a/fs/jffs2/erase.c b/fs/jffs2/erase.c
index 5fbaf6ab9f48..796dd3807a5d 100644
--- a/fs/jffs2/erase.c
+++ b/fs/jffs2/erase.c
@@ -427,7 +427,9 @@ static void jffs2_mark_erased_block(struct jffs2_sb_info *c, struct jffs2_eraseb
 			.totlen =	cpu_to_je32(c->cleanmarker_size)
 		};
 
-		jffs2_prealloc_raw_node_refs(c, jeb, 1);
+		ret = jffs2_prealloc_raw_node_refs(c, jeb, 1);
+		if (ret)
+			goto filebad;
 
 		marker.hdr_crc = cpu_to_je32(crc32(0, &marker, sizeof(struct jffs2_unknown_node)-4));
 
diff --git a/fs/jffs2/scan.c b/fs/jffs2/scan.c
index 664384dac6e5..7a34936273d7 100644
--- a/fs/jffs2/scan.c
+++ b/fs/jffs2/scan.c
@@ -256,7 +256,9 @@ int jffs2_scan_medium(struct jffs2_sb_info *c)
 
 		jffs2_dbg(1, "%s(): Skipping %d bytes in nextblock to ensure page alignment\n",
 			  __func__, skip);
-		jffs2_prealloc_raw_node_refs(c, c->nextblock, 1);
+		ret = jffs2_prealloc_raw_node_refs(c, c->nextblock, 1);
+		if (ret)
+			goto out;
 		jffs2_scan_dirty_space(c, c->nextblock, skip);
 	}
 #endif
diff --git a/fs/jffs2/summary.c b/fs/jffs2/summary.c
index 4fe64519870f..d83372d3e1a0 100644
--- a/fs/jffs2/summary.c
+++ b/fs/jffs2/summary.c
@@ -858,7 +858,10 @@ int jffs2_sum_write_sumnode(struct jffs2_sb_info *c)
 	spin_unlock(&c->erase_completion_lock);
 
 	jeb = c->nextblock;
-	jffs2_prealloc_raw_node_refs(c, jeb, 1);
+	ret = jffs2_prealloc_raw_node_refs(c, jeb, 1);
+
+	if (ret)
+		goto out;
 
 	if (!c->summary->sum_num || !c->summary->sum_list_head) {
 		JFFS2_WARNING("Empty summary info!!!\n");
@@ -872,6 +875,8 @@ int jffs2_sum_write_sumnode(struct jffs2_sb_info *c)
 	datasize += padsize;
 
 	ret = jffs2_sum_write_data(c, jeb, infosize, datasize, padsize);
+
+out:
 	spin_lock(&c->erase_completion_lock);
 	return ret;
 }
diff --git a/fs/jfs/jfs_discard.c b/fs/jfs/jfs_discard.c
index 9d78c427b944..353bc1652ada 100644
--- a/fs/jfs/jfs_discard.c
+++ b/fs/jfs/jfs_discard.c
@@ -99,7 +99,8 @@ int jfs_ioc_trim(struct inode *ip, struct fstrim_range *range)
 	down_read(&sb->s_umount);
 	bmp = JFS_SBI(ip->i_sb)->bmap;
 
-	if (minlen > bmp->db_agsize ||
+	if (bmp == NULL ||
+	    minlen > bmp->db_agsize ||
 	    start >= bmp->db_mapsize ||
 	    range->len < sb->s_blocksize) {
 		up_read(&sb->s_umount);
diff --git a/fs/jfs/jfs_dtree.c b/fs/jfs/jfs_dtree.c
index 1e0bab7ee845..dbc8f2108e90 100644
--- a/fs/jfs/jfs_dtree.c
+++ b/fs/jfs/jfs_dtree.c
@@ -2922,7 +2922,7 @@ void dtInitRoot(tid_t tid, struct inode *ip, u32 idotdot)
  *	     fsck.jfs should really fix this, but it currently does not.
  *	     Called from jfs_readdir when bad index is detected.
  */
-static void add_missing_indices(struct inode *inode, s64 bn)
+static int add_missing_indices(struct inode *inode, s64 bn)
 {
 	struct ldtentry *d;
 	struct dt_lock *dtlck;
@@ -2931,7 +2931,7 @@ static void add_missing_indices(struct inode *inode, s64 bn)
 	struct lv *lv;
 	struct metapage *mp;
 	dtpage_t *p;
-	int rc;
+	int rc = 0;
 	s8 *stbl;
 	tid_t tid;
 	struct tlock *tlck;
@@ -2956,6 +2956,16 @@ static void add_missing_indices(struct inode *inode, s64 bn)
 
 	stbl = DT_GETSTBL(p);
 	for (i = 0; i < p->header.nextindex; i++) {
+		if (stbl[i] < 0) {
+			jfs_err("jfs: add_missing_indices: Invalid stbl[%d] = %d for inode %ld, block = %lld",
+				i, stbl[i], (long)inode->i_ino, (long long)bn);
+			rc = -EIO;
+
+			DT_PUTPAGE(mp);
+			txAbort(tid, 0);
+			goto end;
+		}
+
 		d = (struct ldtentry *) &p->slot[stbl[i]];
 		index = le32_to_cpu(d->index);
 		if ((index < 2) || (index >= JFS_IP(inode)->next_index)) {
@@ -2973,6 +2983,7 @@ static void add_missing_indices(struct inode *inode, s64 bn)
 	(void) txCommit(tid, 1, &inode, 0);
 end:
 	txEnd(tid);
+	return rc;
 }
 
 /*
@@ -3326,7 +3337,8 @@ skip_one:
 		}
 
 		if (fix_page) {
-			add_missing_indices(ip, bn);
+			if ((rc = add_missing_indices(ip, bn)))
+				goto out;
 			page_fixed = 1;
 		}
 
diff --git a/fs/namespace.c b/fs/namespace.c
index 396ff1bcfdad..2b3edb92d066 100644
--- a/fs/namespace.c
+++ b/fs/namespace.c
@@ -574,15 +574,11 @@ int __legitimize_mnt(struct vfsmount *bastard, unsigned seq)
 		return 0;
 	mnt = real_mount(bastard);
 	mnt_add_count(mnt, 1);
-	smp_mb();			// see mntput_no_expire()
+	smp_mb();		// see mntput_no_expire() and do_umount()
 	if (likely(!read_seqretry(&mount_lock, seq)))
 		return 0;
-	if (bastard->mnt_flags & MNT_SYNC_UMOUNT) {
-		mnt_add_count(mnt, -1);
-		return 1;
-	}
 	lock_mount_hash();
-	if (unlikely(bastard->mnt_flags & MNT_DOOMED)) {
+	if (unlikely(bastard->mnt_flags & (MNT_SYNC_UMOUNT | MNT_DOOMED))) {
 		mnt_add_count(mnt, -1);
 		unlock_mount_hash();
 		return 1;
@@ -1552,6 +1548,7 @@ static int do_umount(struct mount *mnt, int flags)
 			umount_tree(mnt, UMOUNT_PROPAGATE);
 		retval = 0;
 	} else {
+		smp_mb(); // paired with __legitimize_mnt()
 		shrink_submounts(mnt);
 		retval = -EBUSY;
 		if (!propagate_mount_busy(mnt, 2)) {
@@ -2156,6 +2153,10 @@ static int do_change_type(struct path *path, int ms_flags)
 		return -EINVAL;
 
 	namespace_lock();
+	if (!check_mnt(mnt)) {
+		err = -EINVAL;
+		goto out_unlock;
+	}
 	if (type == MS_SHARED) {
 		err = invent_group_ids(mnt, recurse);
 		if (err)
diff --git a/fs/nfs/filelayout/filelayoutdev.c b/fs/nfs/filelayout/filelayoutdev.c
index d913e818858f..82bba1ede717 100644
--- a/fs/nfs/filelayout/filelayoutdev.c
+++ b/fs/nfs/filelayout/filelayoutdev.c
@@ -75,6 +75,7 @@ nfs4_fl_alloc_deviceid_node(struct nfs_server *server, struct pnfs_device *pdev,
 	struct page *scratch;
 	struct list_head dsaddrs;
 	struct nfs4_pnfs_ds_addr *da;
+	struct net *net = server->nfs_client->cl_net;
 
 	/* set up xdr stream */
 	scratch = alloc_page(gfp_flags);
@@ -160,8 +161,7 @@ nfs4_fl_alloc_deviceid_node(struct nfs_server *server, struct pnfs_device *pdev,
 
 		mp_count = be32_to_cpup(p); /* multipath count */
 		for (j = 0; j < mp_count; j++) {
-			da = nfs4_decode_mp_ds_addr(server->nfs_client->cl_net,
-						    &stream, gfp_flags);
+			da = nfs4_decode_mp_ds_addr(net, &stream, gfp_flags);
 			if (da)
 				list_add_tail(&da->da_node, &dsaddrs);
 		}
@@ -171,7 +171,7 @@ nfs4_fl_alloc_deviceid_node(struct nfs_server *server, struct pnfs_device *pdev,
 			goto out_err_free_deviceid;
 		}
 
-		dsaddr->ds_list[i] = nfs4_pnfs_ds_add(&dsaddrs, gfp_flags);
+		dsaddr->ds_list[i] = nfs4_pnfs_ds_add(net, &dsaddrs, gfp_flags);
 		if (!dsaddr->ds_list[i])
 			goto out_err_drain_dsaddrs;
 
diff --git a/fs/nfs/flexfilelayout/flexfilelayout.c b/fs/nfs/flexfilelayout/flexfilelayout.c
index bb10f2b21cc1..c9bad1df3093 100644
--- a/fs/nfs/flexfilelayout/flexfilelayout.c
+++ b/fs/nfs/flexfilelayout/flexfilelayout.c
@@ -1194,6 +1194,7 @@ static void ff_layout_io_track_ds_error(struct pnfs_layout_segment *lseg,
 		case -ECONNRESET:
 		case -EHOSTDOWN:
 		case -EHOSTUNREACH:
+		case -ENETDOWN:
 		case -ENETUNREACH:
 		case -EADDRINUSE:
 		case -ENOBUFS:
diff --git a/fs/nfs/flexfilelayout/flexfilelayoutdev.c b/fs/nfs/flexfilelayout/flexfilelayoutdev.c
index f1f0519f1ece..8d1c1d393d02 100644
--- a/fs/nfs/flexfilelayout/flexfilelayoutdev.c
+++ b/fs/nfs/flexfilelayout/flexfilelayoutdev.c
@@ -49,6 +49,7 @@ nfs4_ff_alloc_deviceid_node(struct nfs_server *server, struct pnfs_device *pdev,
 	struct nfs4_pnfs_ds_addr *da;
 	struct nfs4_ff_layout_ds *new_ds = NULL;
 	struct nfs4_ff_ds_version *ds_versions = NULL;
+	struct net *net = server->nfs_client->cl_net;
 	u32 mp_count;
 	u32 version_count;
 	__be32 *p;
@@ -80,8 +81,7 @@ nfs4_ff_alloc_deviceid_node(struct nfs_server *server, struct pnfs_device *pdev,
 
 	for (i = 0; i < mp_count; i++) {
 		/* multipath ds */
-		da = nfs4_decode_mp_ds_addr(server->nfs_client->cl_net,
-					    &stream, gfp_flags);
+		da = nfs4_decode_mp_ds_addr(net, &stream, gfp_flags);
 		if (da)
 			list_add_tail(&da->da_node, &dsaddrs);
 	}
@@ -147,7 +147,7 @@ nfs4_ff_alloc_deviceid_node(struct nfs_server *server, struct pnfs_device *pdev,
 	new_ds->ds_versions = ds_versions;
 	new_ds->ds_versions_cnt = version_count;
 
-	new_ds->ds = nfs4_pnfs_ds_add(&dsaddrs, gfp_flags);
+	new_ds->ds = nfs4_pnfs_ds_add(net, &dsaddrs, gfp_flags);
 	if (!new_ds->ds)
 		goto out_err_drain_dsaddrs;
 
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index 66db81a90cee..d84d478af205 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -6336,10 +6336,18 @@ static struct nfs4_unlockdata *nfs4_alloc_unlockdata(struct file_lock *fl,
 {
 	struct nfs4_unlockdata *p;
 	struct inode *inode = lsp->ls_state->inode;
+	struct nfs_lock_context *l_ctx;
 
 	p = kzalloc(sizeof(*p), GFP_NOFS);
 	if (p == NULL)
 		return NULL;
+	l_ctx = nfs_get_lock_context(ctx);
+	if (!IS_ERR(l_ctx)) {
+		p->l_ctx = l_ctx;
+	} else {
+		kfree(p);
+		return NULL;
+	}
 	p->arg.fh = NFS_FH(inode);
 	p->arg.fl = &p->fl;
 	p->arg.seqid = seqid;
@@ -6348,7 +6356,6 @@ static struct nfs4_unlockdata *nfs4_alloc_unlockdata(struct file_lock *fl,
 	refcount_inc(&lsp->ls_count);
 	/* Ensure we don't close file until we're done freeing locks! */
 	p->ctx = get_nfs_open_context(ctx);
-	p->l_ctx = nfs_get_lock_context(ctx);
 	memcpy(&p->fl, fl, sizeof(p->fl));
 	p->server = NFS_SERVER(inode);
 	return p;
diff --git a/fs/nfs/nfs4state.c b/fs/nfs/nfs4state.c
index e337494a6da7..ec346fd033ba 100644
--- a/fs/nfs/nfs4state.c
+++ b/fs/nfs/nfs4state.c
@@ -2645,7 +2645,15 @@ out_error:
 	pr_warn_ratelimited("NFS: state manager%s%s failed on NFSv4 server %s"
 			" with error %d\n", section_sep, section,
 			clp->cl_hostname, -status);
-	ssleep(1);
+	switch (status) {
+	case -ENETDOWN:
+	case -ENETUNREACH:
+		nfs_mark_client_ready(clp, -EIO);
+		break;
+	default:
+		ssleep(1);
+		break;
+	}
 out_drain:
 	memalloc_nofs_restore(memflags);
 	nfs4_end_drain_session(clp);
diff --git a/fs/nfs/pnfs.h b/fs/nfs/pnfs.h
index d5d818b1ac9d..08b1d51b1508 100644
--- a/fs/nfs/pnfs.h
+++ b/fs/nfs/pnfs.h
@@ -57,6 +57,7 @@ struct nfs4_pnfs_ds {
 	struct list_head	ds_node;  /* nfs4_pnfs_dev_hlist dev_dslist */
 	char			*ds_remotestr;	/* comma sep list of addrs */
 	struct list_head	ds_addrs;
+	const struct net	*ds_net;
 	struct nfs_client	*ds_clp;
 	refcount_t		ds_count;
 	unsigned long		ds_state;
@@ -373,7 +374,8 @@ int pnfs_generic_commit_pagelist(struct inode *inode,
 int pnfs_generic_scan_commit_lists(struct nfs_commit_info *cinfo, int max);
 void pnfs_generic_write_commit_done(struct rpc_task *task, void *data);
 void nfs4_pnfs_ds_put(struct nfs4_pnfs_ds *ds);
-struct nfs4_pnfs_ds *nfs4_pnfs_ds_add(struct list_head *dsaddrs,
+struct nfs4_pnfs_ds *nfs4_pnfs_ds_add(const struct net *net,
+				      struct list_head *dsaddrs,
 				      gfp_t gfp_flags);
 void nfs4_pnfs_v3_ds_connect_unload(void);
 int nfs4_pnfs_ds_connect(struct nfs_server *mds_srv, struct nfs4_pnfs_ds *ds,
diff --git a/fs/nfs/pnfs_nfs.c b/fs/nfs/pnfs_nfs.c
index bd6190d794c4..5c983e79aafe 100644
--- a/fs/nfs/pnfs_nfs.c
+++ b/fs/nfs/pnfs_nfs.c
@@ -413,12 +413,12 @@ _same_data_server_addrs_locked(const struct list_head *dsaddrs1,
  * Lookup DS by addresses.  nfs4_ds_cache_lock is held
  */
 static struct nfs4_pnfs_ds *
-_data_server_lookup_locked(const struct list_head *dsaddrs)
+_data_server_lookup_locked(const struct net *net, const struct list_head *dsaddrs)
 {
 	struct nfs4_pnfs_ds *ds;
 
 	list_for_each_entry(ds, &nfs4_data_server_cache, ds_node)
-		if (_same_data_server_addrs_locked(&ds->ds_addrs, dsaddrs))
+		if (ds->ds_net == net && _same_data_server_addrs_locked(&ds->ds_addrs, dsaddrs))
 			return ds;
 	return NULL;
 }
@@ -511,7 +511,7 @@ out_err:
  * uncached and return cached struct nfs4_pnfs_ds.
  */
 struct nfs4_pnfs_ds *
-nfs4_pnfs_ds_add(struct list_head *dsaddrs, gfp_t gfp_flags)
+nfs4_pnfs_ds_add(const struct net *net, struct list_head *dsaddrs, gfp_t gfp_flags)
 {
 	struct nfs4_pnfs_ds *tmp_ds, *ds = NULL;
 	char *remotestr;
@@ -529,13 +529,14 @@ nfs4_pnfs_ds_add(struct list_head *dsaddrs, gfp_t gfp_flags)
 	remotestr = nfs4_pnfs_remotestr(dsaddrs, gfp_flags);
 
 	spin_lock(&nfs4_ds_cache_lock);
-	tmp_ds = _data_server_lookup_locked(dsaddrs);
+	tmp_ds = _data_server_lookup_locked(net, dsaddrs);
 	if (tmp_ds == NULL) {
 		INIT_LIST_HEAD(&ds->ds_addrs);
 		list_splice_init(dsaddrs, &ds->ds_addrs);
 		ds->ds_remotestr = remotestr;
 		refcount_set(&ds->ds_count, 1);
 		INIT_LIST_HEAD(&ds->ds_node);
+		ds->ds_net = net;
 		ds->ds_clp = NULL;
 		list_add(&ds->ds_node, &nfs4_data_server_cache);
 		dprintk("%s add new data server %s\n", __func__,
diff --git a/fs/nfsd/nfs3xdr.c b/fs/nfsd/nfs3xdr.c
index 9f537decdd9c..bafcdfcb3f56 100644
--- a/fs/nfsd/nfs3xdr.c
+++ b/fs/nfsd/nfs3xdr.c
@@ -121,7 +121,7 @@ decode_sattr3(__be32 *p, struct iattr *iap)
 
 		iap->ia_valid |= ATTR_SIZE;
 		p = xdr_decode_hyper(p, &newsize);
-		iap->ia_size = min_t(u64, newsize, NFS_OFFSET_MAX);
+		iap->ia_size = newsize;
 	}
 	if ((tmp = ntohl(*p++)) == 1) {	/* set to server time */
 		iap->ia_valid |= ATTR_ATIME;
diff --git a/fs/nfsd/nfs4proc.c b/fs/nfsd/nfs4proc.c
index 5ec90b252b6a..fc79a45f2c47 100644
--- a/fs/nfsd/nfs4proc.c
+++ b/fs/nfsd/nfs4proc.c
@@ -2483,7 +2483,8 @@ bool nfsd4_spo_must_allow(struct svc_rqst *rqstp)
 	struct nfs4_op_map *allow = &cstate->clp->cl_spo_must_allow;
 	u32 opiter;
 
-	if (!cstate->minorversion)
+	if (rqstp->rq_procinfo != &nfsd_version4.vs_proc[NFSPROC4_COMPOUND] ||
+	    cstate->minorversion == 0)
 		return false;
 
 	if (cstate->spo_must_allowed == true)
diff --git a/fs/nfsd/vfs.c b/fs/nfsd/vfs.c
index a7231d17e359..b0072b0fead6 100644
--- a/fs/nfsd/vfs.c
+++ b/fs/nfsd/vfs.c
@@ -469,6 +469,10 @@ nfsd_setattr(struct svc_rqst *rqstp, struct svc_fh *fhp, struct iattr *iap,
 			.ia_size	= iap->ia_size,
 		};
 
+		host_err = -EFBIG;
+		if (iap->ia_size < 0)
+			goto out_unlock;
+
 		host_err = notify_change(dentry, &size_attr, NULL);
 		if (host_err)
 			goto out_unlock;
diff --git a/fs/nilfs2/btree.c b/fs/nilfs2/btree.c
index 7c9f4d79bdbc..4a5e8495fa67 100644
--- a/fs/nilfs2/btree.c
+++ b/fs/nilfs2/btree.c
@@ -2097,11 +2097,13 @@ static int nilfs_btree_propagate(struct nilfs_bmap *btree,
 
 	ret = nilfs_btree_do_lookup(btree, path, key, NULL, level + 1, 0);
 	if (ret < 0) {
-		if (unlikely(ret == -ENOENT))
+		if (unlikely(ret == -ENOENT)) {
 			nilfs_crit(btree->b_inode->i_sb,
 				   "writing node/leaf block does not appear in b-tree (ino=%lu) at key=%llu, level=%d",
 				   btree->b_inode->i_ino,
 				   (unsigned long long)key, level);
+			ret = -EINVAL;
+		}
 		goto out;
 	}
 
diff --git a/fs/nilfs2/direct.c b/fs/nilfs2/direct.c
index 7faf8c285d6c..a72371cd6b95 100644
--- a/fs/nilfs2/direct.c
+++ b/fs/nilfs2/direct.c
@@ -273,6 +273,9 @@ static int nilfs_direct_propagate(struct nilfs_bmap *bmap,
 	dat = nilfs_bmap_get_dat(bmap);
 	key = nilfs_bmap_data_get_key(bmap, bh);
 	ptr = nilfs_direct_get_ptr(bmap, key);
+	if (ptr == NILFS_BMAP_INVALID_PTR)
+		return -EINVAL;
+
 	if (!buffer_nilfs_volatile(bh)) {
 		oldreq.pr_entry_nr = ptr;
 		newreq.pr_entry_nr = ptr;
diff --git a/fs/ocfs2/journal.c b/fs/ocfs2/journal.c
index 3b3ae7521485..ae641efeebca 100644
--- a/fs/ocfs2/journal.c
+++ b/fs/ocfs2/journal.c
@@ -189,7 +189,7 @@ int ocfs2_recovery_init(struct ocfs2_super *osb)
 	struct ocfs2_recovery_map *rm;
 
 	mutex_init(&osb->recovery_lock);
-	osb->disable_recovery = 0;
+	osb->recovery_state = OCFS2_REC_ENABLED;
 	osb->recovery_thread_task = NULL;
 	init_waitqueue_head(&osb->recovery_event);
 
@@ -208,31 +208,53 @@ int ocfs2_recovery_init(struct ocfs2_super *osb)
 	return 0;
 }
 
-/* we can't grab the goofy sem lock from inside wait_event, so we use
- * memory barriers to make sure that we'll see the null task before
- * being woken up */
 static int ocfs2_recovery_thread_running(struct ocfs2_super *osb)
 {
-	mb();
 	return osb->recovery_thread_task != NULL;
 }
 
+static void ocfs2_recovery_disable(struct ocfs2_super *osb,
+				   enum ocfs2_recovery_state state)
+{
+	mutex_lock(&osb->recovery_lock);
+	/*
+	 * If recovery thread is not running, we can directly transition to
+	 * final state.
+	 */
+	if (!ocfs2_recovery_thread_running(osb)) {
+		osb->recovery_state = state + 1;
+		goto out_lock;
+	}
+	osb->recovery_state = state;
+	/* Wait for recovery thread to acknowledge state transition */
+	wait_event_cmd(osb->recovery_event,
+		       !ocfs2_recovery_thread_running(osb) ||
+				osb->recovery_state >= state + 1,
+		       mutex_unlock(&osb->recovery_lock),
+		       mutex_lock(&osb->recovery_lock));
+out_lock:
+	mutex_unlock(&osb->recovery_lock);
+
+	/*
+	 * At this point we know that no more recovery work can be queued so
+	 * wait for any recovery completion work to complete.
+	 */
+	if (osb->ocfs2_wq)
+		flush_workqueue(osb->ocfs2_wq);
+}
+
+void ocfs2_recovery_disable_quota(struct ocfs2_super *osb)
+{
+	ocfs2_recovery_disable(osb, OCFS2_REC_QUOTA_WANT_DISABLE);
+}
+
 void ocfs2_recovery_exit(struct ocfs2_super *osb)
 {
 	struct ocfs2_recovery_map *rm;
 
 	/* disable any new recovery threads and wait for any currently
 	 * running ones to exit. Do this before setting the vol_state. */
-	mutex_lock(&osb->recovery_lock);
-	osb->disable_recovery = 1;
-	mutex_unlock(&osb->recovery_lock);
-	wait_event(osb->recovery_event, !ocfs2_recovery_thread_running(osb));
-
-	/* At this point, we know that no more recovery threads can be
-	 * launched, so wait for any recovery completion work to
-	 * complete. */
-	if (osb->ocfs2_wq)
-		flush_workqueue(osb->ocfs2_wq);
+	ocfs2_recovery_disable(osb, OCFS2_REC_WANT_DISABLE);
 
 	/*
 	 * Now that recovery is shut down, and the osb is about to be
@@ -1405,6 +1427,18 @@ static int __ocfs2_recovery_thread(void *arg)
 		}
 	}
 restart:
+	if (quota_enabled) {
+		mutex_lock(&osb->recovery_lock);
+		/* Confirm that recovery thread will no longer recover quotas */
+		if (osb->recovery_state == OCFS2_REC_QUOTA_WANT_DISABLE) {
+			osb->recovery_state = OCFS2_REC_QUOTA_DISABLED;
+			wake_up(&osb->recovery_event);
+		}
+		if (osb->recovery_state >= OCFS2_REC_QUOTA_DISABLED)
+			quota_enabled = 0;
+		mutex_unlock(&osb->recovery_lock);
+	}
+
 	status = ocfs2_super_lock(osb, 1);
 	if (status < 0) {
 		mlog_errno(status);
@@ -1502,13 +1536,13 @@ bail:
 
 	ocfs2_free_replay_slots(osb);
 	osb->recovery_thread_task = NULL;
-	mb(); /* sync with ocfs2_recovery_thread_running */
+	if (osb->recovery_state == OCFS2_REC_WANT_DISABLE)
+		osb->recovery_state = OCFS2_REC_DISABLED;
 	wake_up(&osb->recovery_event);
 
 	mutex_unlock(&osb->recovery_lock);
 
-	if (quota_enabled)
-		kfree(rm_quota);
+	kfree(rm_quota);
 
 	/* no one is callint kthread_stop() for us so the kthread() api
 	 * requires that we call do_exit().  And it isn't exported, but
@@ -1518,14 +1552,16 @@ bail:
 
 void ocfs2_recovery_thread(struct ocfs2_super *osb, int node_num)
 {
+	int was_set = -1;
+
 	mutex_lock(&osb->recovery_lock);
+	if (osb->recovery_state < OCFS2_REC_WANT_DISABLE)
+		was_set = ocfs2_recovery_map_set(osb, node_num);
 
 	trace_ocfs2_recovery_thread(node_num, osb->node_num,
-		osb->disable_recovery, osb->recovery_thread_task,
-		osb->disable_recovery ?
-		-1 : ocfs2_recovery_map_set(osb, node_num));
+		osb->recovery_state, osb->recovery_thread_task, was_set);
 
-	if (osb->disable_recovery)
+	if (osb->recovery_state >= OCFS2_REC_WANT_DISABLE)
 		goto out;
 
 	if (osb->recovery_thread_task)
diff --git a/fs/ocfs2/journal.h b/fs/ocfs2/journal.h
index bfb50fc51528..1419e68d442b 100644
--- a/fs/ocfs2/journal.h
+++ b/fs/ocfs2/journal.h
@@ -165,6 +165,7 @@ void ocfs2_wait_for_recovery(struct ocfs2_super *osb);
 
 int ocfs2_recovery_init(struct ocfs2_super *osb);
 void ocfs2_recovery_exit(struct ocfs2_super *osb);
+void ocfs2_recovery_disable_quota(struct ocfs2_super *osb);
 
 int ocfs2_compute_replay_slots(struct ocfs2_super *osb);
 /*
diff --git a/fs/ocfs2/ocfs2.h b/fs/ocfs2/ocfs2.h
index b9f62d29355b..e0ae5750680b 100644
--- a/fs/ocfs2/ocfs2.h
+++ b/fs/ocfs2/ocfs2.h
@@ -298,6 +298,21 @@ enum ocfs2_mount_options
 #define OCFS2_OSB_ERROR_FS	0x0004
 #define OCFS2_DEFAULT_ATIME_QUANTUM	60
 
+enum ocfs2_recovery_state {
+	OCFS2_REC_ENABLED = 0,
+	OCFS2_REC_QUOTA_WANT_DISABLE,
+	/*
+	 * Must be OCFS2_REC_QUOTA_WANT_DISABLE + 1 for
+	 * ocfs2_recovery_disable_quota() to work.
+	 */
+	OCFS2_REC_QUOTA_DISABLED,
+	OCFS2_REC_WANT_DISABLE,
+	/*
+	 * Must be OCFS2_REC_WANT_DISABLE + 1 for ocfs2_recovery_exit() to work
+	 */
+	OCFS2_REC_DISABLED,
+};
+
 struct ocfs2_journal;
 struct ocfs2_slot_info;
 struct ocfs2_recovery_map;
@@ -360,7 +375,7 @@ struct ocfs2_super
 	struct ocfs2_recovery_map *recovery_map;
 	struct ocfs2_replay_map *replay_map;
 	struct task_struct *recovery_thread_task;
-	int disable_recovery;
+	enum ocfs2_recovery_state recovery_state;
 	wait_queue_head_t checkpoint_event;
 	struct ocfs2_journal *journal;
 	unsigned long osb_commit_interval;
diff --git a/fs/ocfs2/quota_local.c b/fs/ocfs2/quota_local.c
index 77d5aa90338f..1baa68c01c67 100644
--- a/fs/ocfs2/quota_local.c
+++ b/fs/ocfs2/quota_local.c
@@ -453,8 +453,7 @@ out:
 
 /* Sync changes in local quota file into global quota file and
  * reinitialize local quota file.
- * The function expects local quota file to be already locked and
- * s_umount locked in shared mode. */
+ * The function expects local quota file to be already locked. */
 static int ocfs2_recover_local_quota_file(struct inode *lqinode,
 					  int type,
 					  struct ocfs2_quota_recovery *rec)
@@ -585,7 +584,6 @@ int ocfs2_finish_quota_recovery(struct ocfs2_super *osb,
 {
 	unsigned int ino[OCFS2_MAXQUOTAS] = { LOCAL_USER_QUOTA_SYSTEM_INODE,
 					      LOCAL_GROUP_QUOTA_SYSTEM_INODE };
-	struct super_block *sb = osb->sb;
 	struct ocfs2_local_disk_dqinfo *ldinfo;
 	struct buffer_head *bh;
 	handle_t *handle;
@@ -597,7 +595,6 @@ int ocfs2_finish_quota_recovery(struct ocfs2_super *osb,
 	printk(KERN_NOTICE "ocfs2: Finishing quota recovery on device (%s) for "
 	       "slot %u\n", osb->dev_str, slot_num);
 
-	down_read(&sb->s_umount);
 	for (type = 0; type < OCFS2_MAXQUOTAS; type++) {
 		if (list_empty(&(rec->r_list[type])))
 			continue;
@@ -674,7 +671,6 @@ out_put:
 			break;
 	}
 out:
-	up_read(&sb->s_umount);
 	kfree(rec);
 	return status;
 }
@@ -840,8 +836,7 @@ static int ocfs2_local_free_info(struct super_block *sb, int type)
 	ocfs2_release_local_quota_bitmaps(&oinfo->dqi_chunk);
 
 	/*
-	 * s_umount held in exclusive mode protects us against racing with
-	 * recovery thread...
+	 * ocfs2_dismount_volume() has already aborted quota recovery...
 	 */
 	if (oinfo->dqi_rec) {
 		ocfs2_free_quota_recovery(oinfo->dqi_rec);
diff --git a/fs/ocfs2/super.c b/fs/ocfs2/super.c
index 495aa674cd4d..deed1cb4748e 100644
--- a/fs/ocfs2/super.c
+++ b/fs/ocfs2/super.c
@@ -1920,6 +1920,9 @@ static void ocfs2_dismount_volume(struct super_block *sb, int mnt_err)
 	/* Orphan scan should be stopped as early as possible */
 	ocfs2_orphan_scan_stop(osb);
 
+	/* Stop quota recovery so that we can disable quotas */
+	ocfs2_recovery_disable_quota(osb);
+
 	ocfs2_disable_quotas(osb);
 
 	/* All dquots should be freed by now */
diff --git a/fs/squashfs/super.c b/fs/squashfs/super.c
index 728b2d72f3f0..91bf998ddabd 100644
--- a/fs/squashfs/super.c
+++ b/fs/squashfs/super.c
@@ -97,6 +97,11 @@ static int squashfs_fill_super(struct super_block *sb, void *data, int silent)
 	msblk = sb->s_fs_info;
 
 	msblk->devblksize = sb_min_blocksize(sb, SQUASHFS_DEVBLK_SIZE);
+	if (!msblk->devblksize) {
+		ERROR("unable to set blocksize\n");
+		return -EINVAL;
+	}
+
 	msblk->devblksize_log2 = ffz(~msblk->devblksize);
 
 	mutex_init(&msblk->meta_index_mutex);
diff --git a/include/acpi/actypes.h b/include/acpi/actypes.h
index 9fc1dfc7f4c3..2b4f26212154 100644
--- a/include/acpi/actypes.h
+++ b/include/acpi/actypes.h
@@ -524,7 +524,7 @@ typedef u64 acpi_integer;
 
 /* Support for the special RSDP signature (8 characters) */
 
-#define ACPI_VALIDATE_RSDP_SIG(a)       (!strncmp (ACPI_CAST_PTR (char, (a)), ACPI_SIG_RSDP, 8))
+#define ACPI_VALIDATE_RSDP_SIG(a)       (!strncmp (ACPI_CAST_PTR (char, (a)), ACPI_SIG_RSDP, (sizeof(a) < 8) ? ACPI_NAME_SIZE : 8))
 #define ACPI_MAKE_RSDP_SIG(dest)        (memcpy (ACPI_CAST_PTR (char, (dest)), ACPI_SIG_RSDP, 8))
 
 /*
diff --git a/include/linux/atmdev.h b/include/linux/atmdev.h
index 8124815eb121..19c0f91c38bd 100644
--- a/include/linux/atmdev.h
+++ b/include/linux/atmdev.h
@@ -257,6 +257,12 @@ static inline void atm_account_tx(struct atm_vcc *vcc, struct sk_buff *skb)
 	ATM_SKB(skb)->atm_options = vcc->atm_options;
 }
 
+static inline void atm_return_tx(struct atm_vcc *vcc, struct sk_buff *skb)
+{
+	WARN_ON_ONCE(refcount_sub_and_test(ATM_SKB(skb)->acct_truesize,
+					   &sk_atm(vcc)->sk_wmem_alloc));
+}
+
 static inline void atm_force_charge(struct atm_vcc *vcc,int truesize)
 {
 	atomic_add(truesize, &sk_atm(vcc)->sk_rmem_alloc);
diff --git a/include/linux/dma-mapping.h b/include/linux/dma-mapping.h
index 669cde2fa872..076f82e9d974 100644
--- a/include/linux/dma-mapping.h
+++ b/include/linux/dma-mapping.h
@@ -844,10 +844,14 @@ static inline int dma_mmap_wc(struct device *dev,
 #else
 #define DEFINE_DMA_UNMAP_ADDR(ADDR_NAME)
 #define DEFINE_DMA_UNMAP_LEN(LEN_NAME)
-#define dma_unmap_addr(PTR, ADDR_NAME)           (0)
-#define dma_unmap_addr_set(PTR, ADDR_NAME, VAL)  do { } while (0)
-#define dma_unmap_len(PTR, LEN_NAME)             (0)
-#define dma_unmap_len_set(PTR, LEN_NAME, VAL)    do { } while (0)
+#define dma_unmap_addr(PTR, ADDR_NAME)           \
+	({ typeof(PTR) __p __maybe_unused = PTR; 0; })
+#define dma_unmap_addr_set(PTR, ADDR_NAME, VAL)  \
+	do { typeof(PTR) __p __maybe_unused = PTR; } while (0)
+#define dma_unmap_len(PTR, LEN_NAME)             \
+	({ typeof(PTR) __p __maybe_unused = PTR; 0; })
+#define dma_unmap_len_set(PTR, LEN_NAME, VAL)    \
+	do { typeof(PTR) __p __maybe_unused = PTR; } while (0)
 #endif
 
 #endif
diff --git a/include/linux/hid.h b/include/linux/hid.h
index 63c2333a5705..01de885527ae 100644
--- a/include/linux/hid.h
+++ b/include/linux/hid.h
@@ -675,8 +675,9 @@ struct hid_descriptor {
 	__le16 bcdHID;
 	__u8  bCountryCode;
 	__u8  bNumDescriptors;
+	struct hid_class_descriptor rpt_desc;
 
-	struct hid_class_descriptor desc[1];
+	struct hid_class_descriptor opt_descs[];
 } __attribute__ ((packed));
 
 #define HID_DEVICE(b, g, ven, prod)					\
diff --git a/include/linux/mlx4/device.h b/include/linux/mlx4/device.h
index 3ebdd384ae33..dcacaecafdf9 100644
--- a/include/linux/mlx4/device.h
+++ b/include/linux/mlx4/device.h
@@ -1127,7 +1127,7 @@ int mlx4_write_mtt(struct mlx4_dev *dev, struct mlx4_mtt *mtt,
 int mlx4_buf_write_mtt(struct mlx4_dev *dev, struct mlx4_mtt *mtt,
 		       struct mlx4_buf *buf);
 
-int mlx4_db_alloc(struct mlx4_dev *dev, struct mlx4_db *db, int order);
+int mlx4_db_alloc(struct mlx4_dev *dev, struct mlx4_db *db, unsigned int order);
 void mlx4_db_free(struct mlx4_dev *dev, struct mlx4_db *db);
 
 int mlx4_alloc_hwq_res(struct mlx4_dev *dev, struct mlx4_hwq_resources *wqres,
diff --git a/include/linux/types.h b/include/linux/types.h
index 9834e90aa010..d95d46cab558 100644
--- a/include/linux/types.h
+++ b/include/linux/types.h
@@ -114,8 +114,9 @@ typedef u64			u_int64_t;
 typedef s64			int64_t;
 #endif
 
-/* this is a special 64bit data type that is 8-byte aligned */
+/* These are the special 64-bit data types that are 8-byte aligned */
 #define aligned_u64		__aligned_u64
+#define aligned_s64		__aligned_s64
 #define aligned_be64		__aligned_be64
 #define aligned_le64		__aligned_le64
 
diff --git a/include/sound/pcm.h b/include/sound/pcm.h
index cd7874535a4b..1cc3b824aff7 100644
--- a/include/sound/pcm.h
+++ b/include/sound/pcm.h
@@ -1344,6 +1344,8 @@ int snd_pcm_lib_mmap_iomem(struct snd_pcm_substream *substream, struct vm_area_s
 #define snd_pcm_lib_mmap_iomem	NULL
 #endif
 
+void snd_pcm_runtime_buffer_set_silence(struct snd_pcm_runtime *runtime);
+
 /**
  * snd_pcm_limit_isa_dma_size - Get the max size fitting with ISA DMA transfer
  * @dma: DMA number
diff --git a/include/trace/events/btrfs.h b/include/trace/events/btrfs.h
index eb3f668b8bce..c0f4daf9e058 100644
--- a/include/trace/events/btrfs.h
+++ b/include/trace/events/btrfs.h
@@ -1738,7 +1738,7 @@ DECLARE_EVENT_CLASS(btrfs__prelim_ref,
 	TP_PROTO(const struct btrfs_fs_info *fs_info,
 		 const struct prelim_ref *oldref,
 		 const struct prelim_ref *newref, u64 tree_size),
-	TP_ARGS(fs_info, newref, oldref, tree_size),
+	TP_ARGS(fs_info, oldref, newref, tree_size),
 
 	TP_STRUCT__entry_btrfs(
 		__field(	u64,  root_id		)
diff --git a/include/uapi/linux/types.h b/include/uapi/linux/types.h
index 2fce8b6876e9..cf5f4617ba5a 100644
--- a/include/uapi/linux/types.h
+++ b/include/uapi/linux/types.h
@@ -46,6 +46,7 @@ typedef __u32 __bitwise __wsum;
  * No conversions are necessary between 32-bit user-space and a 64-bit kernel.
  */
 #define __aligned_u64 __u64 __attribute__((aligned(8)))
+#define __aligned_s64 __s64 __attribute__((aligned(8)))
 #define __aligned_be64 __be64 __attribute__((aligned(8)))
 #define __aligned_le64 __le64 __attribute__((aligned(8)))
 
diff --git a/include/uapi/linux/videodev2.h b/include/uapi/linux/videodev2.h
index ac22e7f06239..ac4d88354038 100644
--- a/include/uapi/linux/videodev2.h
+++ b/include/uapi/linux/videodev2.h
@@ -156,7 +156,6 @@ enum v4l2_buf_type {
 #define V4L2_TYPE_IS_OUTPUT(type)				\
 	((type) == V4L2_BUF_TYPE_VIDEO_OUTPUT			\
 	 || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE		\
-	 || (type) == V4L2_BUF_TYPE_VIDEO_OVERLAY		\
 	 || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY	\
 	 || (type) == V4L2_BUF_TYPE_VBI_OUTPUT			\
 	 || (type) == V4L2_BUF_TYPE_SLICED_VBI_OUTPUT		\
diff --git a/ipc/shm.c b/ipc/shm.c
index 0a5053f5726f..14282b7f9800 100644
--- a/ipc/shm.c
+++ b/ipc/shm.c
@@ -417,8 +417,11 @@ static int shm_try_destroy_orphaned(int id, void *p, void *data)
 void shm_destroy_orphaned(struct ipc_namespace *ns)
 {
 	down_write(&shm_ids(ns).rwsem);
-	if (shm_ids(ns).in_use)
+	if (shm_ids(ns).in_use) {
+		rcu_read_lock();
 		idr_for_each(&shm_ids(ns).ipcs_idr, &shm_try_destroy_orphaned, ns);
+		rcu_read_unlock();
+	}
 	up_write(&shm_ids(ns).rwsem);
 }
 
diff --git a/kernel/cgroup/cgroup.c b/kernel/cgroup/cgroup.c
index 4ab74d06be19..09e509380c9f 100644
--- a/kernel/cgroup/cgroup.c
+++ b/kernel/cgroup/cgroup.c
@@ -79,7 +79,7 @@
 DEFINE_MUTEX(cgroup_mutex);
 DEFINE_SPINLOCK(css_set_lock);
 
-#ifdef CONFIG_PROVE_RCU
+#if (defined CONFIG_PROVE_RCU || defined CONFIG_LOCKDEP)
 EXPORT_SYMBOL_GPL(cgroup_mutex);
 EXPORT_SYMBOL_GPL(css_set_lock);
 #endif
diff --git a/kernel/events/core.c b/kernel/events/core.c
index 665e2a218e3b..d05642034026 100644
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -6100,6 +6100,10 @@ perf_sample_ustack_size(u16 stack_size, u16 header_size,
 	if (!regs)
 		return 0;
 
+	/* No mm, no stack, no dump. */
+	if (!current->mm)
+		return 0;
+
 	/*
 	 * Check if we fit in with the requested stack size into the:
 	 * - TASK_SIZE
@@ -6568,6 +6572,9 @@ perf_callchain(struct perf_event *event, struct pt_regs *regs)
 	const u32 max_stack = event->attr.sample_max_stack;
 	struct perf_callchain_entry *callchain;
 
+	if (!current->mm)
+		user = false;
+
 	if (!kernel && !user)
 		return &__empty_callchain;
 
@@ -7943,14 +7950,14 @@ __perf_event_account_interrupt(struct perf_event *event, int throttle)
 		hwc->interrupts = 1;
 	} else {
 		hwc->interrupts++;
-		if (unlikely(throttle &&
-			     hwc->interrupts > max_samples_per_tick)) {
-			__this_cpu_inc(perf_throttled_count);
-			tick_dep_set_cpu(smp_processor_id(), TICK_DEP_BIT_PERF_EVENTS);
-			hwc->interrupts = MAX_INTERRUPTS;
-			perf_log_throttle(event, 0);
-			ret = 1;
-		}
+	}
+
+	if (unlikely(throttle && hwc->interrupts >= max_samples_per_tick)) {
+		__this_cpu_inc(perf_throttled_count);
+		tick_dep_set_cpu(smp_processor_id(), TICK_DEP_BIT_PERF_EVENTS);
+		hwc->interrupts = MAX_INTERRUPTS;
+		perf_log_throttle(event, 0);
+		ret = 1;
 	}
 
 	if (event->attr.freq) {
diff --git a/kernel/exit.c b/kernel/exit.c
index 0391c35a19c2..f7e72022301a 100644
--- a/kernel/exit.c
+++ b/kernel/exit.c
@@ -903,6 +903,15 @@ void __noreturn do_exit(long code)
 	tsk->exit_code = code;
 	taskstats_exit(tsk, group_dead);
 
+	/*
+	 * Since sampling can touch ->mm, make sure to stop everything before we
+	 * tear it down.
+	 *
+	 * Also flushes inherited counters to the parent - before the parent
+	 * gets woken up by child-exit notifications.
+	 */
+	perf_event_exit_task(tsk);
+
 	exit_mm();
 
 	if (group_dead)
@@ -919,14 +928,6 @@ void __noreturn do_exit(long code)
 	exit_task_work(tsk);
 	exit_thread(tsk);
 
-	/*
-	 * Flush inherited counters to the parent - before the parent
-	 * gets woken up by child-exit notifications.
-	 *
-	 * because of cgroup mode, must be called before cgroup_exit()
-	 */
-	perf_event_exit_task(tsk);
-
 	sched_autogroup_exit_task(tsk);
 	cgroup_exit(tsk);
 
diff --git a/kernel/params.c b/kernel/params.c
index 8339cf40cdc7..b8fb2e85269c 100644
--- a/kernel/params.c
+++ b/kernel/params.c
@@ -947,7 +947,9 @@ int module_sysfs_initialized;
 static void module_kobj_release(struct kobject *kobj)
 {
 	struct module_kobject *mk = to_module_kobject(kobj);
-	complete(mk->kobj_completion);
+
+	if (mk->kobj_completion)
+		complete(mk->kobj_completion);
 }
 
 struct kobj_type module_ktype = {
diff --git a/kernel/time/posix-cpu-timers.c b/kernel/time/posix-cpu-timers.c
index bfaa44a80c03..fd007f8b01eb 100644
--- a/kernel/time/posix-cpu-timers.c
+++ b/kernel/time/posix-cpu-timers.c
@@ -1148,6 +1148,15 @@ void run_posix_cpu_timers(struct task_struct *tsk)
 
 	lockdep_assert_irqs_disabled();
 
+	/*
+	 * Ensure that release_task(tsk) can't happen while
+	 * handle_posix_cpu_timers() is running. Otherwise, a concurrent
+	 * posix_cpu_timer_del() may fail to lock_task_sighand(tsk) and
+	 * miss timer->it.cpu.firing != 0.
+	 */
+	if (tsk->exit_state)
+		return;
+
 	/*
 	 * The fast path checks that there are no expired thread or thread
 	 * group timers.  If that's so, just return.
diff --git a/kernel/time/posix-timers.c b/kernel/time/posix-timers.c
index 8768ce2c4bf5..05f5c5fcd1f8 100644
--- a/kernel/time/posix-timers.c
+++ b/kernel/time/posix-timers.c
@@ -180,6 +180,7 @@ static int posix_timer_add(struct k_itimer *timer)
 			return id;
 		}
 		spin_unlock(&hash_lock);
+		cond_resched();
 	}
 	/* POSIX return code when no timer ID could be allocated */
 	return -EAGAIN;
diff --git a/kernel/trace/bpf_trace.c b/kernel/trace/bpf_trace.c
index b794470bb42e..192831742a65 100644
--- a/kernel/trace/bpf_trace.c
+++ b/kernel/trace/bpf_trace.c
@@ -811,7 +811,7 @@ static struct pt_regs *get_bpf_raw_tp_regs(void)
 	struct bpf_raw_tp_regs *tp_regs = this_cpu_ptr(&bpf_raw_tp_regs);
 	int nest_level = this_cpu_inc_return(bpf_raw_tp_nest_level);
 
-	if (WARN_ON_ONCE(nest_level > ARRAY_SIZE(tp_regs->regs))) {
+	if (nest_level > ARRAY_SIZE(tp_regs->regs)) {
 		this_cpu_dec(bpf_raw_tp_nest_level);
 		return ERR_PTR(-EBUSY);
 	}
diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c
index bec060956244..b4b7eb350d76 100644
--- a/kernel/trace/ftrace.c
+++ b/kernel/trace/ftrace.c
@@ -5814,9 +5814,10 @@ void ftrace_release_mod(struct module *mod)
 
 	mutex_lock(&ftrace_lock);
 
-	if (ftrace_disabled)
-		goto out_unlock;
-
+	/*
+	 * To avoid the UAF problem after the module is unloaded, the
+	 * 'mod_map' resource needs to be released unconditionally.
+	 */
 	list_for_each_entry_safe(mod_map, n, &ftrace_mod_maps, list) {
 		if (mod_map->mod == mod) {
 			list_del_rcu(&mod_map->list);
@@ -5825,6 +5826,9 @@ void ftrace_release_mod(struct module *mod)
 		}
 	}
 
+	if (ftrace_disabled)
+		goto out_unlock;
+
 	/*
 	 * Each module has its own ftrace_pages, remove
 	 * them from the list.
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index 63c3c17d406c..bac04ad61a63 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -6005,13 +6005,14 @@ static ssize_t tracing_splice_read_pipe(struct file *filp,
 		/* Copy the data into the page, so we can start over. */
 		ret = trace_seq_to_buffer(&iter->seq,
 					  page_address(spd.pages[i]),
-					  trace_seq_used(&iter->seq));
+					  min((size_t)trace_seq_used(&iter->seq),
+						  (size_t)PAGE_SIZE));
 		if (ret < 0) {
 			__free_page(spd.pages[i]);
 			break;
 		}
 		spd.partial[i].offset = 0;
-		spd.partial[i].len = trace_seq_used(&iter->seq);
+		spd.partial[i].len = ret;
 
 		trace_seq_init(&iter->seq);
 	}
diff --git a/lib/dynamic_queue_limits.c b/lib/dynamic_queue_limits.c
index e659a027036e..f6807062b32a 100644
--- a/lib/dynamic_queue_limits.c
+++ b/lib/dynamic_queue_limits.c
@@ -116,7 +116,7 @@ EXPORT_SYMBOL(dql_completed);
 void dql_reset(struct dql *dql)
 {
 	/* Reset all dynamic values */
-	dql->limit = 0;
+	dql->limit = dql->min_limit;
 	dql->num_queued = 0;
 	dql->num_completed = 0;
 	dql->last_obj_cnt = 0;
diff --git a/localversion-st b/localversion-st
index 6ab40fdb8984..8e6ef157b005 100644
--- a/localversion-st
+++ b/localversion-st
@@ -1 +1 @@
--st5
+-st6
diff --git a/mm/huge_memory.c b/mm/huge_memory.c
index 800d7de32af8..3b5ff0087093 100644
--- a/mm/huge_memory.c
+++ b/mm/huge_memory.c
@@ -2302,7 +2302,7 @@ void __split_huge_pmd(struct vm_area_struct *vma, pmd_t *pmd,
 	VM_BUG_ON(freeze && !page);
 	if (page) {
 		VM_WARN_ON_ONCE(!PageLocked(page));
-		if (page != pmd_page(*pmd))
+		if (is_pmd_migration_entry(*pmd) || page != pmd_page(*pmd))
 			goto out;
 	}
 
diff --git a/mm/page-writeback.c b/mm/page-writeback.c
index ed19e580144a..9a1179255922 100644
--- a/mm/page-writeback.c
+++ b/mm/page-writeback.c
@@ -561,8 +561,8 @@ int dirty_ratio_handler(struct ctl_table *table, int write,
 
 	ret = proc_dointvec_minmax(table, write, buffer, lenp, ppos);
 	if (ret == 0 && write && vm_dirty_ratio != old_ratio) {
-		writeback_set_ratelimit();
 		vm_dirty_bytes = 0;
+		writeback_set_ratelimit();
 	}
 	return ret;
 }
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 4529920cb76d..b006f36fa0bd 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -4203,6 +4203,14 @@ restart:
 	}
 
 retry:
+	/*
+	 * Deal with possible cpuset update races or zonelist updates to avoid
+	 * infinite retries.
+	 */
+	if (check_retry_cpuset(cpuset_mems_cookie, ac) ||
+	    check_retry_zonelist(zonelist_iter_cookie))
+		goto restart;
+
 	/* Ensure kswapd doesn't accidentally go to sleep as long as we loop */
 	if (gfp_mask & __GFP_KSWAPD_RECLAIM)
 		wake_all_kswapds(order, gfp_mask, ac);
diff --git a/net/atm/common.c b/net/atm/common.c
index 6772eddf6ec0..0eca1cebad93 100644
--- a/net/atm/common.c
+++ b/net/atm/common.c
@@ -634,6 +634,7 @@ int vcc_sendmsg(struct socket *sock, struct msghdr *m, size_t size)
 
 	skb->dev = NULL; /* for paths shared with net_device interfaces */
 	if (!copy_from_iter_full(skb_put(skb, size), size, &m->msg_iter)) {
+		atm_return_tx(vcc, skb);
 		kfree_skb(skb);
 		error = -EFAULT;
 		goto out;
diff --git a/net/atm/lec.c b/net/atm/lec.c
index 8fbab572a0ab..b4929e85d1f7 100644
--- a/net/atm/lec.c
+++ b/net/atm/lec.c
@@ -123,6 +123,7 @@ static unsigned char bus_mac[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
 
 /* Device structures */
 static struct net_device *dev_lec[MAX_LEC_ITF];
+static DEFINE_MUTEX(lec_mutex);
 
 #if IS_ENABLED(CONFIG_BRIDGE)
 static void lec_handle_bridge(struct sk_buff *skb, struct net_device *dev)
@@ -686,6 +687,7 @@ static int lec_vcc_attach(struct atm_vcc *vcc, void __user *arg)
 	int bytes_left;
 	struct atmlec_ioc ioc_data;
 
+	lockdep_assert_held(&lec_mutex);
 	/* Lecd must be up in this case */
 	bytes_left = copy_from_user(&ioc_data, arg, sizeof(struct atmlec_ioc));
 	if (bytes_left != 0)
@@ -711,6 +713,7 @@ static int lec_vcc_attach(struct atm_vcc *vcc, void __user *arg)
 
 static int lec_mcast_attach(struct atm_vcc *vcc, int arg)
 {
+	lockdep_assert_held(&lec_mutex);
 	if (arg < 0 || arg >= MAX_LEC_ITF)
 		return -EINVAL;
 	arg = array_index_nospec(arg, MAX_LEC_ITF);
@@ -726,6 +729,7 @@ static int lecd_attach(struct atm_vcc *vcc, int arg)
 	int i;
 	struct lec_priv *priv;
 
+	lockdep_assert_held(&lec_mutex);
 	if (arg < 0)
 		i = 0;
 	else
@@ -745,6 +749,7 @@ static int lecd_attach(struct atm_vcc *vcc, int arg)
 		snprintf(dev_lec[i]->name, IFNAMSIZ, "lec%d", i);
 		if (register_netdev(dev_lec[i])) {
 			free_netdev(dev_lec[i]);
+			dev_lec[i] = NULL;
 			return -EINVAL;
 		}
 
@@ -912,7 +917,6 @@ static void *lec_itf_walk(struct lec_state *state, loff_t *l)
 	v = (dev && netdev_priv(dev)) ?
 		lec_priv_walk(state, l, netdev_priv(dev)) : NULL;
 	if (!v && dev) {
-		dev_put(dev);
 		/* Partial state reset for the next time we get called */
 		dev = NULL;
 	}
@@ -936,6 +940,7 @@ static void *lec_seq_start(struct seq_file *seq, loff_t *pos)
 {
 	struct lec_state *state = seq->private;
 
+	mutex_lock(&lec_mutex);
 	state->itf = 0;
 	state->dev = NULL;
 	state->locked = NULL;
@@ -953,8 +958,9 @@ static void lec_seq_stop(struct seq_file *seq, void *v)
 	if (state->dev) {
 		spin_unlock_irqrestore(&state->locked->lec_arp_lock,
 				       state->flags);
-		dev_put(state->dev);
+		state->dev = NULL;
 	}
+	mutex_unlock(&lec_mutex);
 }
 
 static void *lec_seq_next(struct seq_file *seq, void *v, loff_t *pos)
@@ -1012,6 +1018,7 @@ static int lane_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
 		return -ENOIOCTLCMD;
 	}
 
+	mutex_lock(&lec_mutex);
 	switch (cmd) {
 	case ATMLEC_CTRL:
 		err = lecd_attach(vcc, (int)arg);
@@ -1026,6 +1033,7 @@ static int lane_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
 		break;
 	}
 
+	mutex_unlock(&lec_mutex);
 	return err;
 }
 
diff --git a/net/atm/raw.c b/net/atm/raw.c
index b3ba44aab0ee..b11ef6dccc31 100644
--- a/net/atm/raw.c
+++ b/net/atm/raw.c
@@ -36,7 +36,7 @@ static void atm_pop_raw(struct atm_vcc *vcc, struct sk_buff *skb)
 
 	pr_debug("(%d) %d -= %d\n",
 		 vcc->vci, sk_wmem_alloc_get(sk), ATM_SKB(skb)->acct_truesize);
-	WARN_ON(refcount_sub_and_test(ATM_SKB(skb)->acct_truesize, &sk->sk_wmem_alloc));
+	atm_return_tx(vcc, skb);
 	dev_kfree_skb_any(skb);
 	sk->sk_write_space(sk);
 }
diff --git a/net/bridge/br_nf_core.c b/net/bridge/br_nf_core.c
index d88e724d5755..c6b03b1f4b82 100644
--- a/net/bridge/br_nf_core.c
+++ b/net/bridge/br_nf_core.c
@@ -69,17 +69,14 @@ static struct dst_ops fake_dst_ops = {
  * ipt_REJECT needs it.  Future netfilter modules might
  * require us to fill additional fields.
  */
-static const u32 br_dst_default_metrics[RTAX_MAX] = {
-	[RTAX_MTU - 1] = 1500,
-};
-
 void br_netfilter_rtable_init(struct net_bridge *br)
 {
 	struct rtable *rt = &br->fake_rtable;
 
 	atomic_set(&rt->dst.__refcnt, 1);
 	rt->dst.dev = br->dev;
-	dst_init_metrics(&rt->dst, br_dst_default_metrics, true);
+	dst_init_metrics(&rt->dst, br->metrics, false);
+	dst_metric_set(&rt->dst, RTAX_MTU, br->dev->mtu);
 	rt->dst.flags	= DST_NOXFRM | DST_FAKE_RTABLE;
 	rt->dst.ops = &fake_dst_ops;
 }
diff --git a/net/bridge/br_private.h b/net/bridge/br_private.h
index 4ff5e3c96e57..fe5cc0c00230 100644
--- a/net/bridge/br_private.h
+++ b/net/bridge/br_private.h
@@ -339,6 +339,7 @@ struct net_bridge {
 	bool				nf_call_iptables;
 	bool				nf_call_ip6tables;
 	bool				nf_call_arptables;
+	u32				metrics[RTAX_MAX];
 #endif
 	u16				group_fwd_mask;
 	u16				group_fwd_mask_required;
diff --git a/net/can/bcm.c b/net/can/bcm.c
index 07c0634b32f7..c2a91c1361bf 100644
--- a/net/can/bcm.c
+++ b/net/can/bcm.c
@@ -57,6 +57,7 @@
 #include <linux/can/skb.h>
 #include <linux/can/bcm.h>
 #include <linux/slab.h>
+#include <linux/spinlock.h>
 #include <net/sock.h>
 #include <net/net_namespace.h>
 
@@ -119,6 +120,7 @@ struct bcm_op {
 	struct canfd_frame last_sframe;
 	struct sock *sk;
 	struct net_device *rx_reg_dev;
+	spinlock_t bcm_tx_lock; /* protect currframe/count in runtime updates */
 };
 
 struct bcm_sock {
@@ -204,7 +206,9 @@ static int bcm_proc_show(struct seq_file *m, void *v)
 	seq_printf(m, " / bound %s", bcm_proc_getifname(net, ifname, bo->ifindex));
 	seq_printf(m, " <<<\n");
 
-	list_for_each_entry(op, &bo->rx_ops, list) {
+	rcu_read_lock();
+
+	list_for_each_entry_rcu(op, &bo->rx_ops, list) {
 
 		unsigned long reduction;
 
@@ -260,6 +264,9 @@ static int bcm_proc_show(struct seq_file *m, void *v)
 		seq_printf(m, "# sent %ld\n", op->frames_abs);
 	}
 	seq_putc(m, '\n');
+
+	rcu_read_unlock();
+
 	return 0;
 }
 #endif /* CONFIG_PROC_FS */
@@ -272,13 +279,18 @@ static void bcm_can_tx(struct bcm_op *op)
 {
 	struct sk_buff *skb;
 	struct net_device *dev;
-	struct canfd_frame *cf = op->frames + op->cfsiz * op->currframe;
+	struct canfd_frame *cf;
 	int err;
 
 	/* no target device? => exit */
 	if (!op->ifindex)
 		return;
 
+	/* read currframe under lock protection */
+	spin_lock_bh(&op->bcm_tx_lock);
+	cf = op->frames + op->cfsiz * op->currframe;
+	spin_unlock_bh(&op->bcm_tx_lock);
+
 	dev = dev_get_by_index(sock_net(op->sk), op->ifindex);
 	if (!dev) {
 		/* RFC: should this bcm_op remove itself here? */
@@ -299,6 +311,10 @@ static void bcm_can_tx(struct bcm_op *op)
 	skb->dev = dev;
 	can_skb_set_owner(skb, op->sk);
 	err = can_send(skb, 1);
+
+	/* update currframe and count under lock protection */
+	spin_lock_bh(&op->bcm_tx_lock);
+
 	if (!err)
 		op->frames_abs++;
 
@@ -307,6 +323,11 @@ static void bcm_can_tx(struct bcm_op *op)
 	/* reached last frame? */
 	if (op->currframe >= op->nframes)
 		op->currframe = 0;
+
+	if (op->count > 0)
+		op->count--;
+
+	spin_unlock_bh(&op->bcm_tx_lock);
 out:
 	dev_put(dev);
 }
@@ -403,7 +424,7 @@ static enum hrtimer_restart bcm_tx_timeout_handler(struct hrtimer *hrtimer)
 	struct bcm_msg_head msg_head;
 
 	if (op->kt_ival1 && (op->count > 0)) {
-		op->count--;
+		bcm_can_tx(op);
 		if (!op->count && (op->flags & TX_COUNTEVT)) {
 
 			/* create notification to user */
@@ -418,7 +439,6 @@ static enum hrtimer_restart bcm_tx_timeout_handler(struct hrtimer *hrtimer)
 
 			bcm_send_to_user(op, &msg_head, NULL, 0);
 		}
-		bcm_can_tx(op);
 
 	} else if (op->kt_ival2) {
 		bcm_can_tx(op);
@@ -795,7 +815,7 @@ static int bcm_delete_rx_op(struct list_head *ops, struct bcm_msg_head *mh,
 						  REGMASK(op->can_id),
 						  bcm_rx_handler, op);
 
-			list_del(&op->list);
+			list_del_rcu(&op->list);
 			bcm_remove_op(op);
 			return 1; /* done */
 		}
@@ -815,7 +835,7 @@ static int bcm_delete_tx_op(struct list_head *ops, struct bcm_msg_head *mh,
 	list_for_each_entry_safe(op, n, ops, list) {
 		if ((op->can_id == mh->can_id) && (op->ifindex == ifindex) &&
 		    (op->flags & CAN_FD_FRAME) == (mh->flags & CAN_FD_FRAME)) {
-			list_del(&op->list);
+			list_del_rcu(&op->list);
 			bcm_remove_op(op);
 			return 1; /* done */
 		}
@@ -908,6 +928,27 @@ static int bcm_tx_setup(struct bcm_msg_head *msg_head, struct msghdr *msg,
 		}
 		op->flags = msg_head->flags;
 
+		/* only lock for unlikely count/nframes/currframe changes */
+		if (op->nframes != msg_head->nframes ||
+		    op->flags & TX_RESET_MULTI_IDX ||
+		    op->flags & SETTIMER) {
+
+			spin_lock_bh(&op->bcm_tx_lock);
+
+			if (op->nframes != msg_head->nframes ||
+			    op->flags & TX_RESET_MULTI_IDX) {
+				/* potentially update changed nframes */
+				op->nframes = msg_head->nframes;
+				/* restart multiple frame transmission */
+				op->currframe = 0;
+			}
+
+			if (op->flags & SETTIMER)
+				op->count = msg_head->count;
+
+			spin_unlock_bh(&op->bcm_tx_lock);
+		}
+
 	} else {
 		/* insert new BCM operation for the given can_id */
 
@@ -915,9 +956,14 @@ static int bcm_tx_setup(struct bcm_msg_head *msg_head, struct msghdr *msg,
 		if (!op)
 			return -ENOMEM;
 
+		spin_lock_init(&op->bcm_tx_lock);
 		op->can_id = msg_head->can_id;
 		op->cfsiz = CFSIZ(msg_head->flags);
 		op->flags = msg_head->flags;
+		op->nframes = msg_head->nframes;
+
+		if (op->flags & SETTIMER)
+			op->count = msg_head->count;
 
 		/* create array for CAN frames and copy the data */
 		if (msg_head->nframes > 1) {
@@ -976,22 +1022,8 @@ static int bcm_tx_setup(struct bcm_msg_head *msg_head, struct msghdr *msg,
 
 	} /* if ((op = bcm_find_op(&bo->tx_ops, msg_head->can_id, ifindex))) */
 
-	if (op->nframes != msg_head->nframes) {
-		op->nframes   = msg_head->nframes;
-		/* start multiple frame transmission with index 0 */
-		op->currframe = 0;
-	}
-
-	/* check flags */
-
-	if (op->flags & TX_RESET_MULTI_IDX) {
-		/* start multiple frame transmission with index 0 */
-		op->currframe = 0;
-	}
-
 	if (op->flags & SETTIMER) {
 		/* set timer values */
-		op->count = msg_head->count;
 		op->ival1 = msg_head->ival1;
 		op->ival2 = msg_head->ival2;
 		op->kt_ival1 = bcm_timeval_to_ktime(msg_head->ival1);
@@ -1008,11 +1040,8 @@ static int bcm_tx_setup(struct bcm_msg_head *msg_head, struct msghdr *msg,
 		op->flags |= TX_ANNOUNCE;
 	}
 
-	if (op->flags & TX_ANNOUNCE) {
+	if (op->flags & TX_ANNOUNCE)
 		bcm_can_tx(op);
-		if (op->count)
-			op->count--;
-	}
 
 	if (op->flags & STARTTIMER)
 		bcm_tx_start_timer(op);
@@ -1228,7 +1257,7 @@ static int bcm_rx_setup(struct bcm_msg_head *msg_head, struct msghdr *msg,
 					      bcm_rx_handler, op, "bcm", sk);
 		if (err) {
 			/* this bcm rx op is broken -> remove it */
-			list_del(&op->list);
+			list_del_rcu(&op->list);
 			bcm_remove_op(op);
 			return err;
 		}
diff --git a/net/core/pktgen.c b/net/core/pktgen.c
index 3ade60ec4512..160397d7a5be 100644
--- a/net/core/pktgen.c
+++ b/net/core/pktgen.c
@@ -811,6 +811,10 @@ static ssize_t get_labels(const char __user *buffer, struct pktgen_dev *pkt_dev)
 	pkt_dev->nr_labels = 0;
 	do {
 		__u32 tmp;
+
+		if (n >= MAX_MPLS_LABELS)
+			return -E2BIG;
+
 		len = hex32_arg(&buffer[i], 8, &tmp);
 		if (len <= 0)
 			return len;
@@ -822,8 +826,6 @@ static ssize_t get_labels(const char __user *buffer, struct pktgen_dev *pkt_dev)
 			return -EFAULT;
 		i++;
 		n++;
-		if (n >= MAX_MPLS_LABELS)
-			return -E2BIG;
 	} while (c == ',');
 
 	pkt_dev->nr_labels = n;
@@ -1774,8 +1776,8 @@ static ssize_t pktgen_thread_write(struct file *file,
 	i = len;
 
 	/* Read variable name */
-
-	len = strn_len(&user_buffer[i], sizeof(name) - 1);
+	max = min(sizeof(name) - 1, count - i);
+	len = strn_len(&user_buffer[i], max);
 	if (len < 0)
 		return len;
 
@@ -1805,7 +1807,8 @@ static ssize_t pktgen_thread_write(struct file *file,
 	if (!strcmp(name, "add_device")) {
 		char f[32];
 		memset(f, 0, 32);
-		len = strn_len(&user_buffer[i], sizeof(f) - 1);
+		max = min(sizeof(f) - 1, count - i);
+		len = strn_len(&user_buffer[i], max);
 		if (len < 0) {
 			ret = len;
 			goto out;
diff --git a/net/core/sock.c b/net/core/sock.c
index fd467b96fcea..0cc231e060db 100644
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -3262,7 +3262,7 @@ static void assign_proto_idx(struct proto *prot)
 {
 	prot->inuse_idx = find_first_zero_bit(proto_inuse_idx, PROTO_INUSE_NR);
 
-	if (unlikely(prot->inuse_idx == PROTO_INUSE_NR - 1)) {
+	if (unlikely(prot->inuse_idx == PROTO_INUSE_NR)) {
 		pr_err("PROTO_INUSE_NR exhausted\n");
 		return;
 	}
@@ -3272,7 +3272,7 @@ static void assign_proto_idx(struct proto *prot)
 
 static void release_proto_idx(struct proto *prot)
 {
-	if (prot->inuse_idx != PROTO_INUSE_NR - 1)
+	if (prot->inuse_idx != PROTO_INUSE_NR)
 		clear_bit(prot->inuse_idx, proto_inuse_idx);
 }
 #else
diff --git a/net/ipv4/fib_rules.c b/net/ipv4/fib_rules.c
index f8eb78d042a4..1597aa74e04d 100644
--- a/net/ipv4/fib_rules.c
+++ b/net/ipv4/fib_rules.c
@@ -216,9 +216,9 @@ static int fib4_rule_configure(struct fib_rule *rule, struct sk_buff *skb,
 			       struct nlattr **tb,
 			       struct netlink_ext_ack *extack)
 {
-	struct net *net = sock_net(skb->sk);
+	struct fib4_rule *rule4 = (struct fib4_rule *)rule;
+	struct net *net = rule->fr_net;
 	int err = -EINVAL;
-	struct fib4_rule *rule4 = (struct fib4_rule *) rule;
 
 	if (frh->tos & ~IPTOS_TOS_MASK) {
 		NL_SET_ERR_MSG(extack, "Invalid tos");
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index 407dcbdf3016..4f25eba06026 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -200,7 +200,11 @@ const __u8 ip_tos2prio[16] = {
 EXPORT_SYMBOL(ip_tos2prio);
 
 static DEFINE_PER_CPU(struct rt_cache_stat, rt_cache_stat);
+#ifndef CONFIG_PREEMPT_RT
 #define RT_CACHE_STAT_INC(field) raw_cpu_inc(rt_cache_stat.field)
+#else
+#define RT_CACHE_STAT_INC(field) this_cpu_inc(rt_cache_stat.field)
+#endif
 
 #ifdef CONFIG_PROC_FS
 static void *rt_cache_seq_start(struct seq_file *seq, loff_t *pos)
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index 0f2320d821ff..2b47b45879be 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -531,10 +531,12 @@ EXPORT_SYMBOL(tcp_initialize_rcv_mss);
  */
 static void tcp_rcv_rtt_update(struct tcp_sock *tp, u32 sample, int win_dep)
 {
-	u32 new_sample = tp->rcv_rtt_est.rtt_us;
-	long m = sample;
+	u32 new_sample, old_sample = tp->rcv_rtt_est.rtt_us;
+	long m = sample << 3;
 
-	if (new_sample != 0) {
+	if (old_sample == 0 || m < old_sample) {
+		new_sample = m;
+	} else {
 		/* If we sample in larger samples in the non-timestamp
 		 * case, we could grossly overestimate the RTT especially
 		 * with chatty applications or bulk transfer apps which
@@ -545,17 +547,9 @@ static void tcp_rcv_rtt_update(struct tcp_sock *tp, u32 sample, int win_dep)
 		 * else with timestamps disabled convergence takes too
 		 * long.
 		 */
-		if (!win_dep) {
-			m -= (new_sample >> 3);
-			new_sample += m;
-		} else {
-			m <<= 3;
-			if (m < new_sample)
-				new_sample = m;
-		}
-	} else {
-		/* No previous measure. */
-		new_sample = m << 3;
+		if (win_dep)
+			return;
+		new_sample = old_sample - (old_sample >> 3) + sample;
 	}
 
 	tp->rcv_rtt_est.rtt_us = new_sample;
diff --git a/net/ipv6/calipso.c b/net/ipv6/calipso.c
index f4224a9a1b7c..1e8d92340fbc 100644
--- a/net/ipv6/calipso.c
+++ b/net/ipv6/calipso.c
@@ -1224,6 +1224,10 @@ static int calipso_req_setattr(struct request_sock *req,
 	struct ipv6_opt_hdr *old, *new;
 	struct sock *sk = sk_to_full_sk(req_to_sk(req));
 
+	/* sk is NULL for SYN+ACK w/ SYN Cookie */
+	if (!sk)
+		return -ENOMEM;
+
 	if (req_inet->ipv6_opt && req_inet->ipv6_opt->hopopt)
 		old = req_inet->ipv6_opt->hopopt;
 	else
@@ -1264,6 +1268,10 @@ static void calipso_req_delattr(struct request_sock *req)
 	struct ipv6_txoptions *txopts;
 	struct sock *sk = sk_to_full_sk(req_to_sk(req));
 
+	/* sk is NULL for SYN+ACK w/ SYN Cookie */
+	if (!sk)
+		return;
+
 	if (!req_inet->ipv6_opt || !req_inet->ipv6_opt->hopopt)
 		return;
 
diff --git a/net/ipv6/fib6_rules.c b/net/ipv6/fib6_rules.c
index 4171ebaeb608..83b6b2053e4f 100644
--- a/net/ipv6/fib6_rules.c
+++ b/net/ipv6/fib6_rules.c
@@ -344,9 +344,9 @@ static int fib6_rule_configure(struct fib_rule *rule, struct sk_buff *skb,
 			       struct nlattr **tb,
 			       struct netlink_ext_ack *extack)
 {
+	struct fib6_rule *rule6 = (struct fib6_rule *)rule;
+	struct net *net = rule->fr_net;
 	int err = -EINVAL;
-	struct net *net = sock_net(skb->sk);
-	struct fib6_rule *rule6 = (struct fib6_rule *) rule;
 
 	if (rule->action == FR_ACT_TO_TBL && !rule->l3mdev) {
 		if (rule->table == RT6_TABLE_UNSPEC) {
diff --git a/net/llc/af_llc.c b/net/llc/af_llc.c
index fc7507ccc667..8ed14d98b761 100644
--- a/net/llc/af_llc.c
+++ b/net/llc/af_llc.c
@@ -886,15 +886,15 @@ static int llc_ui_recvmsg(struct socket *sock, struct msghdr *msg, size_t len,
 		if (sk->sk_type != SOCK_STREAM)
 			goto copy_uaddr;
 
+		/* Partial read */
+		if (used + offset < skb_len)
+			continue;
+
 		if (!(flags & MSG_PEEK)) {
 			skb_unlink(skb, &sk->sk_receive_queue);
 			kfree_skb(skb);
 			*seq = 0;
 		}
-
-		/* Partial read */
-		if (used + offset < skb_len)
-			continue;
 	} while (len > 0);
 
 out:
diff --git a/net/mac80211/mesh_hwmp.c b/net/mac80211/mesh_hwmp.c
index 18158855d98c..d8ab7d6b3422 100644
--- a/net/mac80211/mesh_hwmp.c
+++ b/net/mac80211/mesh_hwmp.c
@@ -599,7 +599,7 @@ static void hwmp_preq_frame_process(struct ieee80211_sub_if_data *sdata,
 				mesh_path_add_gate(mpath);
 		}
 		rcu_read_unlock();
-	} else {
+	} else if (ifmsh->mshcfg.dot11MeshForwarding) {
 		rcu_read_lock();
 		mpath = mesh_path_lookup(sdata, target_addr);
 		if (mpath) {
@@ -617,6 +617,8 @@ static void hwmp_preq_frame_process(struct ieee80211_sub_if_data *sdata,
 			}
 		}
 		rcu_read_unlock();
+	} else {
+		forward = false;
 	}
 
 	if (reply) {
@@ -634,7 +636,7 @@ static void hwmp_preq_frame_process(struct ieee80211_sub_if_data *sdata,
 		}
 	}
 
-	if (forward && ifmsh->mshcfg.dot11MeshForwarding) {
+	if (forward) {
 		u32 preq_id;
 		u8 hopcount;
 
diff --git a/net/mpls/af_mpls.c b/net/mpls/af_mpls.c
index 40b3e6a52f92..d0d4483f8d37 100644
--- a/net/mpls/af_mpls.c
+++ b/net/mpls/af_mpls.c
@@ -81,8 +81,8 @@ static struct mpls_route *mpls_route_input_rcu(struct net *net, unsigned index)
 
 	if (index < net->mpls.platform_labels) {
 		struct mpls_route __rcu **platform_label =
-			rcu_dereference(net->mpls.platform_label);
-		rt = rcu_dereference(platform_label[index]);
+			rcu_dereference_rtnl(net->mpls.platform_label);
+		rt = rcu_dereference_rtnl(platform_label[index]);
 	}
 	return rt;
 }
diff --git a/net/ncsi/internal.h b/net/ncsi/internal.h
index 2477caf9c967..c36427c9b6d0 100644
--- a/net/ncsi/internal.h
+++ b/net/ncsi/internal.h
@@ -107,16 +107,15 @@ struct ncsi_channel_vlan_filter {
 };
 
 struct ncsi_channel_stats {
-	u32 hnc_cnt_hi;		/* Counter cleared            */
-	u32 hnc_cnt_lo;		/* Counter cleared            */
-	u32 hnc_rx_bytes;	/* Rx bytes                   */
-	u32 hnc_tx_bytes;	/* Tx bytes                   */
-	u32 hnc_rx_uc_pkts;	/* Rx UC packets              */
-	u32 hnc_rx_mc_pkts;     /* Rx MC packets              */
-	u32 hnc_rx_bc_pkts;	/* Rx BC packets              */
-	u32 hnc_tx_uc_pkts;	/* Tx UC packets              */
-	u32 hnc_tx_mc_pkts;	/* Tx MC packets              */
-	u32 hnc_tx_bc_pkts;	/* Tx BC packets              */
+	u64 hnc_cnt;		/* Counter cleared            */
+	u64 hnc_rx_bytes;	/* Rx bytes                   */
+	u64 hnc_tx_bytes;	/* Tx bytes                   */
+	u64 hnc_rx_uc_pkts;	/* Rx UC packets              */
+	u64 hnc_rx_mc_pkts;     /* Rx MC packets              */
+	u64 hnc_rx_bc_pkts;	/* Rx BC packets              */
+	u64 hnc_tx_uc_pkts;	/* Tx UC packets              */
+	u64 hnc_tx_mc_pkts;	/* Tx MC packets              */
+	u64 hnc_tx_bc_pkts;	/* Tx BC packets              */
 	u32 hnc_fcs_err;	/* FCS errors                 */
 	u32 hnc_align_err;	/* Alignment errors           */
 	u32 hnc_false_carrier;	/* False carrier detection    */
@@ -145,7 +144,7 @@ struct ncsi_channel_stats {
 	u32 hnc_tx_1023_frames;	/* Tx 512-1023 bytes frames   */
 	u32 hnc_tx_1522_frames;	/* Tx 1024-1522 bytes frames  */
 	u32 hnc_tx_9022_frames;	/* Tx 1523-9022 bytes frames  */
-	u32 hnc_rx_valid_bytes;	/* Rx valid bytes             */
+	u64 hnc_rx_valid_bytes;	/* Rx valid bytes             */
 	u32 hnc_rx_runt_pkts;	/* Rx error runt packets      */
 	u32 hnc_rx_jabber_pkts;	/* Rx error jabber packets    */
 	u32 ncsi_rx_cmds;	/* Rx NCSI commands           */
diff --git a/net/ncsi/ncsi-pkt.h b/net/ncsi/ncsi-pkt.h
index 0bf62b4883d4..e156a89708e4 100644
--- a/net/ncsi/ncsi-pkt.h
+++ b/net/ncsi/ncsi-pkt.h
@@ -219,16 +219,15 @@ struct ncsi_rsp_gp_pkt {
 /* Get Controller Packet Statistics */
 struct ncsi_rsp_gcps_pkt {
 	struct ncsi_rsp_pkt_hdr rsp;            /* Response header            */
-	__be32                  cnt_hi;         /* Counter cleared            */
-	__be32                  cnt_lo;         /* Counter cleared            */
-	__be32                  rx_bytes;       /* Rx bytes                   */
-	__be32                  tx_bytes;       /* Tx bytes                   */
-	__be32                  rx_uc_pkts;     /* Rx UC packets              */
-	__be32                  rx_mc_pkts;     /* Rx MC packets              */
-	__be32                  rx_bc_pkts;     /* Rx BC packets              */
-	__be32                  tx_uc_pkts;     /* Tx UC packets              */
-	__be32                  tx_mc_pkts;     /* Tx MC packets              */
-	__be32                  tx_bc_pkts;     /* Tx BC packets              */
+	__be64                  cnt;            /* Counter cleared            */
+	__be64                  rx_bytes;       /* Rx bytes                   */
+	__be64                  tx_bytes;       /* Tx bytes                   */
+	__be64                  rx_uc_pkts;     /* Rx UC packets              */
+	__be64                  rx_mc_pkts;     /* Rx MC packets              */
+	__be64                  rx_bc_pkts;     /* Rx BC packets              */
+	__be64                  tx_uc_pkts;     /* Tx UC packets              */
+	__be64                  tx_mc_pkts;     /* Tx MC packets              */
+	__be64                  tx_bc_pkts;     /* Tx BC packets              */
 	__be32                  fcs_err;        /* FCS errors                 */
 	__be32                  align_err;      /* Alignment errors           */
 	__be32                  false_carrier;  /* False carrier detection    */
@@ -257,11 +256,11 @@ struct ncsi_rsp_gcps_pkt {
 	__be32                  tx_1023_frames; /* Tx 512-1023 bytes frames   */
 	__be32                  tx_1522_frames; /* Tx 1024-1522 bytes frames  */
 	__be32                  tx_9022_frames; /* Tx 1523-9022 bytes frames  */
-	__be32                  rx_valid_bytes; /* Rx valid bytes             */
+	__be64                  rx_valid_bytes; /* Rx valid bytes             */
 	__be32                  rx_runt_pkts;   /* Rx error runt packets      */
 	__be32                  rx_jabber_pkts; /* Rx error jabber packets    */
 	__be32                  checksum;       /* Checksum                   */
-};
+}  __packed __aligned(4);
 
 /* Get NCSI Statistics */
 struct ncsi_rsp_gns_pkt {
diff --git a/net/ncsi/ncsi-rsp.c b/net/ncsi/ncsi-rsp.c
index 05dea43bbc66..44c066c88965 100644
--- a/net/ncsi/ncsi-rsp.c
+++ b/net/ncsi/ncsi-rsp.c
@@ -787,16 +787,15 @@ static int ncsi_rsp_handler_gcps(struct ncsi_request *nr)
 
 	/* Update HNC's statistics */
 	ncs = &nc->stats;
-	ncs->hnc_cnt_hi         = ntohl(rsp->cnt_hi);
-	ncs->hnc_cnt_lo         = ntohl(rsp->cnt_lo);
-	ncs->hnc_rx_bytes       = ntohl(rsp->rx_bytes);
-	ncs->hnc_tx_bytes       = ntohl(rsp->tx_bytes);
-	ncs->hnc_rx_uc_pkts     = ntohl(rsp->rx_uc_pkts);
-	ncs->hnc_rx_mc_pkts     = ntohl(rsp->rx_mc_pkts);
-	ncs->hnc_rx_bc_pkts     = ntohl(rsp->rx_bc_pkts);
-	ncs->hnc_tx_uc_pkts     = ntohl(rsp->tx_uc_pkts);
-	ncs->hnc_tx_mc_pkts     = ntohl(rsp->tx_mc_pkts);
-	ncs->hnc_tx_bc_pkts     = ntohl(rsp->tx_bc_pkts);
+	ncs->hnc_cnt            = be64_to_cpu(rsp->cnt);
+	ncs->hnc_rx_bytes       = be64_to_cpu(rsp->rx_bytes);
+	ncs->hnc_tx_bytes       = be64_to_cpu(rsp->tx_bytes);
+	ncs->hnc_rx_uc_pkts     = be64_to_cpu(rsp->rx_uc_pkts);
+	ncs->hnc_rx_mc_pkts     = be64_to_cpu(rsp->rx_mc_pkts);
+	ncs->hnc_rx_bc_pkts     = be64_to_cpu(rsp->rx_bc_pkts);
+	ncs->hnc_tx_uc_pkts     = be64_to_cpu(rsp->tx_uc_pkts);
+	ncs->hnc_tx_mc_pkts     = be64_to_cpu(rsp->tx_mc_pkts);
+	ncs->hnc_tx_bc_pkts     = be64_to_cpu(rsp->tx_bc_pkts);
 	ncs->hnc_fcs_err        = ntohl(rsp->fcs_err);
 	ncs->hnc_align_err      = ntohl(rsp->align_err);
 	ncs->hnc_false_carrier  = ntohl(rsp->false_carrier);
@@ -825,7 +824,7 @@ static int ncsi_rsp_handler_gcps(struct ncsi_request *nr)
 	ncs->hnc_tx_1023_frames = ntohl(rsp->tx_1023_frames);
 	ncs->hnc_tx_1522_frames = ntohl(rsp->tx_1522_frames);
 	ncs->hnc_tx_9022_frames = ntohl(rsp->tx_9022_frames);
-	ncs->hnc_rx_valid_bytes = ntohl(rsp->rx_valid_bytes);
+	ncs->hnc_rx_valid_bytes = be64_to_cpu(rsp->rx_valid_bytes);
 	ncs->hnc_rx_runt_pkts   = ntohl(rsp->rx_runt_pkts);
 	ncs->hnc_rx_jabber_pkts = ntohl(rsp->rx_jabber_pkts);
 
diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c
index 25b2870dda24..094c45d72164 100644
--- a/net/netfilter/nf_tables_api.c
+++ b/net/netfilter/nf_tables_api.c
@@ -1622,10 +1622,8 @@ static void nf_tables_chain_free_chain_rules(struct nft_chain *chain)
 	kvfree(chain->rules_next);
 }
 
-static void nf_tables_chain_destroy(struct nft_ctx *ctx)
+void nf_tables_chain_destroy(struct nft_chain *chain)
 {
-	struct nft_chain *chain = ctx->chain;
-
 	if (WARN_ON(chain->use > 0))
 		return;
 
@@ -1864,7 +1862,7 @@ err2:
 err_use:
 	nf_tables_unregister_hook(net, table, chain);
 err1:
-	nf_tables_chain_destroy(ctx);
+	nf_tables_chain_destroy(chain);
 
 	return err;
 }
@@ -2694,6 +2692,8 @@ static void nf_tables_rule_destroy(const struct nft_ctx *ctx,
 static void nf_tables_rule_release(const struct nft_ctx *ctx,
 				   struct nft_rule *rule)
 {
+	lockdep_commit_lock_is_held(ctx->net);
+
 	nft_rule_expr_deactivate(ctx, rule, NFT_TRANS_RELEASE);
 	nf_tables_rule_destroy(ctx, rule);
 }
@@ -4027,6 +4027,8 @@ void nf_tables_deactivate_set(const struct nft_ctx *ctx, struct nft_set *set,
 			      struct nft_set_binding *binding,
 			      enum nft_trans_phase phase)
 {
+	lockdep_commit_lock_is_held(ctx->net);
+
 	switch (phase) {
 	case NFT_TRANS_PREPARE_ERROR:
 		nft_set_trans_unbind(ctx, set);
@@ -6634,7 +6636,7 @@ static void nft_commit_release(struct nft_trans *trans)
 		kfree(nft_trans_chain_name(trans));
 		break;
 	case NFT_MSG_DELCHAIN:
-		nf_tables_chain_destroy(&trans->ctx);
+		nf_tables_chain_destroy(trans->ctx.chain);
 		break;
 	case NFT_MSG_DELRULE:
 		nf_tables_rule_destroy(&trans->ctx, nft_trans_rule(trans));
@@ -7204,7 +7206,7 @@ static void nf_tables_abort_release(struct nft_trans *trans)
 		nf_tables_table_destroy(&trans->ctx);
 		break;
 	case NFT_MSG_NEWCHAIN:
-		nf_tables_chain_destroy(&trans->ctx);
+		nf_tables_chain_destroy(trans->ctx.chain);
 		break;
 	case NFT_MSG_NEWRULE:
 		nf_tables_rule_destroy(&trans->ctx, nft_trans_rule(trans));
@@ -7818,23 +7820,43 @@ int nft_data_dump(struct sk_buff *skb, int attr, const struct nft_data *data,
 }
 EXPORT_SYMBOL_GPL(nft_data_dump);
 
-int __nft_release_basechain(struct nft_ctx *ctx)
+static void __nft_release_basechain_now(struct nft_ctx *ctx)
 {
 	struct nft_rule *rule, *nr;
 
-	if (WARN_ON(!nft_is_base_chain(ctx->chain)))
+	list_for_each_entry_safe(rule, nr, &ctx->chain->rules, list) {
+		list_del(&rule->list);
+		nf_tables_rule_release(ctx, rule);
+	}
+	nf_tables_chain_destroy(ctx->chain);
+}
+
+int __nft_release_basechain(struct nft_ctx *ctx)
+{
+	struct nft_rule *rule;
+
+	if (WARN_ON_ONCE(!nft_is_base_chain(ctx->chain)))
 		return 0;
 
 	nf_tables_unregister_hook(ctx->net, ctx->chain->table, ctx->chain);
-	list_for_each_entry_safe(rule, nr, &ctx->chain->rules, list) {
-		list_del(&rule->list);
+	list_for_each_entry(rule, &ctx->chain->rules, list)
 		nft_use_dec(&ctx->chain->use);
-		nf_tables_rule_release(ctx, rule);
-	}
+
 	nft_chain_del(ctx->chain);
 	nft_use_dec(&ctx->table->use);
-	nf_tables_chain_destroy(ctx);
 
+	if (!maybe_get_net(ctx->net)) {
+		__nft_release_basechain_now(ctx);
+		return 0;
+	}
+
+	/* wait for ruleset dumps to complete.  Owning chain is no longer in
+	 * lists, so new dumps can't find any of these rules anymore.
+	 */
+	synchronize_rcu();
+
+	__nft_release_basechain_now(ctx);
+	put_net(ctx->net);
 	return 0;
 }
 EXPORT_SYMBOL_GPL(__nft_release_basechain);
@@ -7886,10 +7908,9 @@ static void __nft_release_table(struct net *net, struct nft_table *table)
 		nft_obj_destroy(&ctx, obj);
 	}
 	list_for_each_entry_safe(chain, nc, &table->chains, list) {
-		ctx.chain = chain;
 		nft_chain_del(chain);
 		nft_use_dec(&table->use);
-		nf_tables_chain_destroy(&ctx);
+		nf_tables_chain_destroy(chain);
 	}
 	list_del(&table->list);
 	nf_tables_table_destroy(&ctx);
diff --git a/net/netfilter/nft_socket.c b/net/netfilter/nft_socket.c
index c7b78e4ef459..46d11f943795 100644
--- a/net/netfilter/nft_socket.c
+++ b/net/netfilter/nft_socket.c
@@ -69,7 +69,7 @@ static void nft_socket_eval(const struct nft_expr *expr,
 			*dest = sk->sk_mark;
 		} else {
 			regs->verdict.code = NFT_BREAK;
-			return;
+			goto out_put_sk;
 		}
 		break;
 	default:
@@ -77,6 +77,7 @@ static void nft_socket_eval(const struct nft_expr *expr,
 		regs->verdict.code = NFT_BREAK;
 	}
 
+out_put_sk:
 	if (sk != skb->sk)
 		sock_gen_put(sk);
 }
diff --git a/net/netlabel/netlabel_kapi.c b/net/netlabel/netlabel_kapi.c
index 14c3d640f94b..b0431efb2c23 100644
--- a/net/netlabel/netlabel_kapi.c
+++ b/net/netlabel/netlabel_kapi.c
@@ -1152,6 +1152,11 @@ int netlbl_conn_setattr(struct sock *sk,
 		break;
 #if IS_ENABLED(CONFIG_IPV6)
 	case AF_INET6:
+		if (sk->sk_family != AF_INET6) {
+			ret_val = -EAFNOSUPPORT;
+			goto conn_setattr_return;
+		}
+
 		addr6 = (struct sockaddr_in6 *)addr;
 		entry = netlbl_domhsh_getentry_af6(secattr->domain,
 						   &addr6->sin6_addr);
diff --git a/net/nfc/nci/uart.c b/net/nfc/nci/uart.c
index 040576dd73bb..dc38b35fa861 100644
--- a/net/nfc/nci/uart.c
+++ b/net/nfc/nci/uart.c
@@ -131,22 +131,22 @@ static int nci_uart_set_driver(struct tty_struct *tty, unsigned int driver)
 
 	memcpy(nu, nci_uart_drivers[driver], sizeof(struct nci_uart));
 	nu->tty = tty;
-	tty->disc_data = nu;
 	skb_queue_head_init(&nu->tx_q);
 	INIT_WORK(&nu->write_work, nci_uart_write_work);
 	spin_lock_init(&nu->rx_lock);
 
 	ret = nu->ops.open(nu);
 	if (ret) {
-		tty->disc_data = NULL;
 		kfree(nu);
+		return ret;
 	} else if (!try_module_get(nu->owner)) {
 		nu->ops.close(nu);
-		tty->disc_data = NULL;
 		kfree(nu);
 		return -ENOENT;
 	}
-	return ret;
+	tty->disc_data = nu;
+
+	return 0;
 }
 
 /* ------ LDISC part ------ */
diff --git a/net/openvswitch/actions.c b/net/openvswitch/actions.c
index d6cfc004d5a5..820b3209df1e 100644
--- a/net/openvswitch/actions.c
+++ b/net/openvswitch/actions.c
@@ -1028,8 +1028,7 @@ static int output_userspace(struct datapath *dp, struct sk_buff *skb,
 	upcall.cmd = OVS_PACKET_CMD_ACTION;
 	upcall.mru = OVS_CB(skb)->mru;
 
-	for (a = nla_data(attr), rem = nla_len(attr); rem > 0;
-		 a = nla_next(a, &rem)) {
+	nla_for_each_nested(a, attr, rem) {
 		switch (nla_type(a)) {
 		case OVS_USERSPACE_ATTR_USERDATA:
 			upcall.userdata = a;
diff --git a/net/sched/sch_hfsc.c b/net/sched/sch_hfsc.c
index 9963dd3ee255..09eb8421a95d 100644
--- a/net/sched/sch_hfsc.c
+++ b/net/sched/sch_hfsc.c
@@ -1578,6 +1578,9 @@ hfsc_enqueue(struct sk_buff *skb, struct Qdisc *sch, struct sk_buff **to_free)
 		return err;
 	}
 
+	qdisc_qstats_backlog_inc(sch, skb);
+	sch->q.qlen++;
+
 	if (cl->qdisc->q.qlen == 1) {
 		unsigned int len = qdisc_pkt_len(skb);
 
@@ -1595,9 +1598,6 @@ hfsc_enqueue(struct sk_buff *skb, struct Qdisc *sch, struct sk_buff **to_free)
 
 	}
 
-	qdisc_qstats_backlog_inc(sch, skb);
-	sch->q.qlen++;
-
 	return NET_XMIT_SUCCESS;
 }
 
diff --git a/net/sched/sch_htb.c b/net/sched/sch_htb.c
index 862a33b9e2e0..cccde41f3f85 100644
--- a/net/sched/sch_htb.c
+++ b/net/sched/sch_htb.c
@@ -334,7 +334,8 @@ static void htb_add_to_wait_tree(struct htb_sched *q,
  */
 static inline void htb_next_rb_node(struct rb_node **n)
 {
-	*n = rb_next(*n);
+	if (*n)
+		*n = rb_next(*n);
 }
 
 /**
@@ -571,8 +572,8 @@ static inline void htb_activate(struct htb_sched *q, struct htb_class *cl)
  */
 static inline void htb_deactivate(struct htb_sched *q, struct htb_class *cl)
 {
-	WARN_ON(!cl->prio_activity);
-
+	if (!cl->prio_activity)
+		return;
 	htb_deactivate_prios(q, cl);
 	cl->prio_activity = 0;
 }
@@ -1298,8 +1299,7 @@ static int htb_delete(struct Qdisc *sch, unsigned long arg)
 	if (cl->parent)
 		cl->parent->children--;
 
-	if (cl->prio_activity)
-		htb_deactivate(q, cl);
+	htb_deactivate(q, cl);
 
 	if (cl->cmode != HTB_CAN_SEND)
 		htb_safe_rb_erase(&cl->pq_node,
@@ -1426,8 +1426,7 @@ static int htb_change_class(struct Qdisc *sch, u32 classid,
 			qdisc_reset(parent->un.leaf.q);
 			qdisc_tree_reduce_backlog(parent->un.leaf.q, qlen, backlog);
 			qdisc_put(parent->un.leaf.q);
-			if (parent->prio_activity)
-				htb_deactivate(q, parent);
+			htb_deactivate(q, parent);
 
 			/* remove from evt list because of level change */
 			if (parent->cmode != HTB_CAN_SEND) {
diff --git a/net/sched/sch_sfq.c b/net/sched/sch_sfq.c
index 07721a1e98d8..5cf8c3b1186a 100644
--- a/net/sched/sch_sfq.c
+++ b/net/sched/sch_sfq.c
@@ -321,7 +321,10 @@ drop:
 		/* It is difficult to believe, but ALL THE SLOTS HAVE LENGTH 1. */
 		x = q->tail->next;
 		slot = &q->slots[x];
-		q->tail->next = slot->next;
+		if (slot->next == x)
+			q->tail = NULL; /* no more active slots */
+		else
+			q->tail->next = slot->next;
 		q->ht[slot->hash] = SFQ_EMPTY_SLOT;
 		goto drop;
 	}
diff --git a/net/sctp/socket.c b/net/sctp/socket.c
index 552fdd52a99a..17c8e9a839e6 100644
--- a/net/sctp/socket.c
+++ b/net/sctp/socket.c
@@ -8388,7 +8388,8 @@ static void __sctp_write_space(struct sctp_association *asoc)
 		wq = rcu_dereference(sk->sk_wq);
 		if (wq) {
 			if (waitqueue_active(&wq->wait))
-				wake_up_interruptible(&wq->wait);
+				wake_up_interruptible_poll(&wq->wait, EPOLLOUT |
+						EPOLLWRNORM | EPOLLWRBAND);
 
 			/* Note that we try to include the Async I/O support
 			 * here by modeling from the current TCP/UDP code.
diff --git a/net/sunrpc/cache.c b/net/sunrpc/cache.c
index f2f3df60c29c..718bb0fdd013 100644
--- a/net/sunrpc/cache.c
+++ b/net/sunrpc/cache.c
@@ -110,6 +110,8 @@ struct cache_head *sunrpc_cache_lookup(struct cache_detail *detail,
 
 	hlist_add_head(&new->cache_list, head);
 	detail->entries++;
+	if (detail->nextcheck > new->expiry_time)
+		detail->nextcheck = new->expiry_time + 1;
 	cache_get(new);
 	write_unlock(&detail->hash_lock);
 
diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c
index 30d8c9c3f83b..3bdaebe5e53d 100644
--- a/net/sunrpc/clnt.c
+++ b/net/sunrpc/clnt.c
@@ -276,9 +276,6 @@ static struct rpc_xprt *rpc_clnt_set_transport(struct rpc_clnt *clnt,
 	old = rcu_dereference_protected(clnt->cl_xprt,
 			lockdep_is_held(&clnt->cl_lock));
 
-	if (!xprt_bound(xprt))
-		clnt->cl_autobind = 1;
-
 	clnt->cl_timeout = timeout;
 	rcu_assign_pointer(clnt->cl_xprt, xprt);
 	spin_unlock(&clnt->cl_lock);
diff --git a/net/tipc/udp_media.c b/net/tipc/udp_media.c
index 796309b50bb6..0166f1d93a4b 100644
--- a/net/tipc/udp_media.c
+++ b/net/tipc/udp_media.c
@@ -468,7 +468,7 @@ int tipc_udp_nl_dump_remoteip(struct sk_buff *skb, struct netlink_callback *cb)
 
 		rtnl_lock();
 		b = tipc_bearer_find(net, bname);
-		if (!b) {
+		if (!b || b->bcast_addr.media_id != TIPC_MEDIA_TYPE_UDP) {
 			rtnl_unlock();
 			return -EINVAL;
 		}
@@ -479,7 +479,7 @@ int tipc_udp_nl_dump_remoteip(struct sk_buff *skb, struct netlink_callback *cb)
 
 		rtnl_lock();
 		b = rtnl_dereference(tn->bearer_list[bid]);
-		if (!b) {
+		if (!b || b->bcast_addr.media_id != TIPC_MEDIA_TYPE_UDP) {
 			rtnl_unlock();
 			return -EINVAL;
 		}
diff --git a/scripts/config b/scripts/config
index 8c8d7c3d7acc..330bef88fd5e 100755
--- a/scripts/config
+++ b/scripts/config
@@ -32,6 +32,7 @@ commands:
                              Disable option directly after other option
 	--module-after|-M beforeopt option
                              Turn option into module directly after other option
+	--refresh            Refresh the config using old settings
 
 	commands can be repeated multiple times
 
@@ -124,16 +125,22 @@ undef_var() {
 	txt_delete "^# $name is not set" "$FN"
 }
 
-if [ "$1" = "--file" ]; then
-	FN="$2"
-	if [ "$FN" = "" ] ; then
-		usage
+FN=.config
+CMDS=()
+while [[ $# -gt 0 ]]; do
+	if [ "$1" = "--file" ]; then
+		if [ "$2" = "" ]; then
+			usage
+		fi
+		FN="$2"
+		shift 2
+	else
+		CMDS+=("$1")
+		shift
 	fi
-	shift 2
-else
-	FN=.config
-fi
+done
 
+set -- "${CMDS[@]}"
 if [ "$1" = "" ] ; then
 	usage
 fi
@@ -217,9 +224,8 @@ while [ "$1" != "" ] ; do
 		set_var "${CONFIG_}$B" "${CONFIG_}$B=m" "${CONFIG_}$A"
 		;;
 
-	# undocumented because it ignores --file (fixme)
 	--refresh)
-		yes "" | make oldconfig
+		yes "" | make oldconfig KCONFIG_CONFIG=$FN
 		;;
 
 	*)
diff --git a/scripts/kconfig/merge_config.sh b/scripts/kconfig/merge_config.sh
index 6b918882d32c..77c9f1f4ba4c 100755
--- a/scripts/kconfig/merge_config.sh
+++ b/scripts/kconfig/merge_config.sh
@@ -94,8 +94,8 @@ INITFILE=$1
 shift;
 
 if [ ! -r "$INITFILE" ]; then
-	echo "The base file '$INITFILE' does not exist.  Exit." >&2
-	exit 1
+	echo "The base file '$INITFILE' does not exist. Creating one..." >&2
+	touch "$INITFILE"
 fi
 
 MERGE_LIST=$*
diff --git a/security/selinux/xfrm.c b/security/selinux/xfrm.c
index 9e803d2a687a..dc18473acd42 100644
--- a/security/selinux/xfrm.c
+++ b/security/selinux/xfrm.c
@@ -98,7 +98,7 @@ static int selinux_xfrm_alloc_user(struct xfrm_sec_ctx **ctxp,
 
 	ctx->ctx_doi = XFRM_SC_DOI_LSM;
 	ctx->ctx_alg = XFRM_SC_ALG_SELINUX;
-	ctx->ctx_len = str_len;
+	ctx->ctx_len = str_len + 1;
 	memcpy(ctx->ctx_str, &uctx[1], str_len);
 	ctx->ctx_str[str_len] = '\0';
 	rc = security_context_to_sid(&selinux_state, ctx->ctx_str, str_len,
diff --git a/security/smack/smackfs.c b/security/smack/smackfs.c
index 83dbfa26a651..dab2e5015e79 100644
--- a/security/smack/smackfs.c
+++ b/security/smack/smackfs.c
@@ -949,6 +949,10 @@ static ssize_t smk_set_cipso(struct file *file, const char __user *buf,
 	if (rc >= 0) {
 		old_cat = skp->smk_netlabel.attr.mls.cat;
 		rcu_assign_pointer(skp->smk_netlabel.attr.mls.cat, ncats.attr.mls.cat);
+		if (ncats.attr.mls.cat)
+			skp->smk_netlabel.flags |= NETLBL_SECATTR_MLS_CAT;
+		else
+			skp->smk_netlabel.flags &= ~(u32)NETLBL_SECATTR_MLS_CAT;
 		skp->smk_netlabel.attr.mls.lvl = ncats.attr.mls.lvl;
 		synchronize_rcu();
 		netlbl_catmap_free(old_cat);
diff --git a/sound/core/oss/pcm_oss.c b/sound/core/oss/pcm_oss.c
index c85fa85285d9..c33b199f4fef 100644
--- a/sound/core/oss/pcm_oss.c
+++ b/sound/core/oss/pcm_oss.c
@@ -1096,8 +1096,7 @@ static int snd_pcm_oss_change_params_locked(struct snd_pcm_substream *substream)
 	runtime->oss.params = 0;
 	runtime->oss.prepare = 1;
 	runtime->oss.buffer_used = 0;
-	if (runtime->dma_area)
-		snd_pcm_format_set_silence(runtime->format, runtime->dma_area, bytes_to_samples(runtime, runtime->dma_bytes));
+	snd_pcm_runtime_buffer_set_silence(runtime);
 
 	runtime->oss.period_frames = snd_pcm_alsa_frames(substream, oss_period_size);
 
diff --git a/sound/core/pcm_native.c b/sound/core/pcm_native.c
index 9862b60bfa06..1b075cbc8b98 100644
--- a/sound/core/pcm_native.c
+++ b/sound/core/pcm_native.c
@@ -684,6 +684,17 @@ static void snd_pcm_buffer_access_unlock(struct snd_pcm_runtime *runtime)
 	atomic_inc(&runtime->buffer_accessing);
 }
 
+/* fill the PCM buffer with the current silence format; called from pcm_oss.c */
+void snd_pcm_runtime_buffer_set_silence(struct snd_pcm_runtime *runtime)
+{
+	snd_pcm_buffer_access_lock(runtime);
+	if (runtime->dma_area)
+		snd_pcm_format_set_silence(runtime->format, runtime->dma_area,
+					   bytes_to_samples(runtime, runtime->dma_bytes));
+	snd_pcm_buffer_access_unlock(runtime);
+}
+EXPORT_SYMBOL_GPL(snd_pcm_runtime_buffer_set_silence);
+
 #if IS_ENABLED(CONFIG_SND_PCM_OSS)
 #define is_oss_stream(substream)	((substream)->oss.oss)
 #else
diff --git a/sound/pci/es1968.c b/sound/pci/es1968.c
index 0b1845ca6005..88db847f9517 100644
--- a/sound/pci/es1968.c
+++ b/sound/pci/es1968.c
@@ -1589,7 +1589,7 @@ static int snd_es1968_capture_open(struct snd_pcm_substream *substream)
 	struct snd_pcm_runtime *runtime = substream->runtime;
 	struct es1968 *chip = snd_pcm_substream_chip(substream);
 	struct esschan *es;
-	int apu1, apu2;
+	int err, apu1, apu2;
 
 	apu1 = snd_es1968_alloc_apu_pair(chip, ESM_APU_PCM_CAPTURE);
 	if (apu1 < 0)
@@ -1632,7 +1632,9 @@ static int snd_es1968_capture_open(struct snd_pcm_substream *substream)
 	runtime->hw = snd_es1968_capture;
 	runtime->hw.buffer_bytes_max = runtime->hw.period_bytes_max =
 		calc_available_memory_size(chip) - 1024; /* keep MIXBUF size */
-	snd_pcm_hw_constraint_pow2(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES);
+	err = snd_pcm_hw_constraint_pow2(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES);
+	if (err < 0)
+		return err;
 
 	spin_lock_irq(&chip->substream_lock);
 	list_add(&es->list, &chip->substream_list);
diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c
index 63bfff742de7..973a384aa8a7 100644
--- a/sound/pci/hda/hda_intel.c
+++ b/sound/pci/hda/hda_intel.c
@@ -2388,6 +2388,8 @@ static struct snd_pci_quirk power_save_blacklist[] = {
 	SND_PCI_QUIRK(0x1734, 0x1232, "KONTRON SinglePC", 0),
 	/* Dell ALC3271 */
 	SND_PCI_QUIRK(0x1028, 0x0962, "Dell ALC3271", 0),
+	/* https://bugzilla.kernel.org/show_bug.cgi?id=220210 */
+	SND_PCI_QUIRK(0x17aa, 0x5079, "Lenovo Thinkpad E15", 0),
 	{}
 };
 #endif /* CONFIG_PM */
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index fef55b42dcd0..42d5cb2d4914 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -7166,6 +7166,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = {
 	SND_PCI_QUIRK(0x1028, 0x0871, "Dell Precision 3630", ALC255_FIXUP_DELL_HEADSET_MIC),
 	SND_PCI_QUIRK(0x1028, 0x0872, "Dell Precision 3630", ALC255_FIXUP_DELL_HEADSET_MIC),
 	SND_PCI_QUIRK(0x1028, 0x0873, "Dell Precision 3930", ALC255_FIXUP_DUMMY_LINEOUT_VERB),
+	SND_PCI_QUIRK(0x1028, 0x0879, "Dell Latitude 5420 Rugged", ALC269_FIXUP_DELL4_MIC_NO_PRESENCE),
 	SND_PCI_QUIRK(0x1028, 0x08ad, "Dell WYSE AIO", ALC225_FIXUP_DELL_WYSE_AIO_MIC_NO_PRESENCE),
 	SND_PCI_QUIRK(0x1028, 0x08ae, "Dell WYSE NB", ALC225_FIXUP_DELL1_MIC_NO_PRESENCE),
 	SND_PCI_QUIRK(0x1028, 0x0935, "Dell", ALC274_FIXUP_DELL_AIO_LINEOUT_VERB),
diff --git a/sound/sh/Kconfig b/sound/sh/Kconfig
index 61139f3c1614..d6b41eaac3d7 100644
--- a/sound/sh/Kconfig
+++ b/sound/sh/Kconfig
@@ -13,7 +13,7 @@ if SND_SUPERH
 
 config SND_AICA
 	tristate "Dreamcast Yamaha AICA sound"
-	depends on SH_DREAMCAST
+	depends on SH_DREAMCAST && SH_DMA_API
 	select SND_PCM
 	select G2_DMA
 	help
diff --git a/sound/soc/intel/boards/bytcr_rt5640.c b/sound/soc/intel/boards/bytcr_rt5640.c
index 1abb7d353581..3552463ffa27 100644
--- a/sound/soc/intel/boards/bytcr_rt5640.c
+++ b/sound/soc/intel/boards/bytcr_rt5640.c
@@ -437,6 +437,19 @@ static const struct dmi_system_id byt_rt5640_quirk_table[] = {
 					BYT_RT5640_SSP0_AIF2 |
 					BYT_RT5640_MCLK_EN),
 	},
+	{       /* Acer Aspire SW3-013 */
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "Aspire SW3-013"),
+		},
+		.driver_data = (void *)(BYT_RT5640_DMIC1_MAP |
+					BYT_RT5640_JD_SRC_JD2_IN4N |
+					BYT_RT5640_OVCD_TH_2000UA |
+					BYT_RT5640_OVCD_SF_0P75 |
+					BYT_RT5640_DIFF_MIC |
+					BYT_RT5640_SSP0_AIF1 |
+					BYT_RT5640_MCLK_EN),
+	},
 	{
 		.matches = {
 			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
diff --git a/sound/soc/soc-ops.c b/sound/soc/soc-ops.c
index 08ed973b2d97..a3b1f1c064dd 100644
--- a/sound/soc/soc-ops.c
+++ b/sound/soc/soc-ops.c
@@ -635,6 +635,33 @@ int snd_soc_get_volsw_range(struct snd_kcontrol *kcontrol,
 }
 EXPORT_SYMBOL_GPL(snd_soc_get_volsw_range);
 
+static int snd_soc_clip_to_platform_max(struct snd_kcontrol *kctl)
+{
+	struct soc_mixer_control *mc = (struct soc_mixer_control *)kctl->private_value;
+	struct snd_ctl_elem_value uctl;
+	int ret;
+
+	if (!mc->platform_max)
+		return 0;
+
+	ret = kctl->get(kctl, &uctl);
+	if (ret < 0)
+		return ret;
+
+	if (uctl.value.integer.value[0] > mc->platform_max)
+		uctl.value.integer.value[0] = mc->platform_max;
+
+	if (snd_soc_volsw_is_stereo(mc) &&
+	    uctl.value.integer.value[1] > mc->platform_max)
+		uctl.value.integer.value[1] = mc->platform_max;
+
+	ret = kctl->put(kctl, &uctl);
+	if (ret < 0)
+		return ret;
+
+	return 0;
+}
+
 /**
  * snd_soc_limit_volume - Set new limit to an existing volume control.
  *
@@ -667,7 +694,7 @@ int snd_soc_limit_volume(struct snd_soc_card *card,
 		mc = (struct soc_mixer_control *)kctl->private_value;
 		if (max <= mc->max) {
 			mc->platform_max = max;
-			ret = 0;
+			ret = snd_soc_clip_to_platform_max(kctl);
 		}
 	}
 	return ret;
diff --git a/tools/bpf/bpftool/common.c b/tools/bpf/bpftool/common.c
index 7faf24ef3c80..0496dfb217ec 100644
--- a/tools/bpf/bpftool/common.c
+++ b/tools/bpf/bpftool/common.c
@@ -281,10 +281,11 @@ int get_fd_type(int fd)
 		p_err("can't read link type: %s", strerror(errno));
 		return -1;
 	}
-	if (n == sizeof(path)) {
+	if (n == sizeof(buf)) {
 		p_err("can't read link type: path too long!");
 		return -1;
 	}
+	buf[n] = '\0';
 
 	if (strstr(buf, "bpf-map"))
 		return BPF_OBJ_MAP;
diff --git a/tools/build/Makefile.build b/tools/build/Makefile.build
index cd72016c3cfa..ab0630ae6be8 100644
--- a/tools/build/Makefile.build
+++ b/tools/build/Makefile.build
@@ -130,6 +130,10 @@ objprefix    := $(subst ./,,$(OUTPUT)$(dir)/)
 obj-y        := $(addprefix $(objprefix),$(obj-y))
 subdir-obj-y := $(addprefix $(objprefix),$(subdir-obj-y))
 
+# Separate out test log files from real build objects.
+test-y       := $(filter %_log, $(obj-y))
+obj-y        := $(filter-out %_log, $(obj-y))
+
 # Final '$(obj)-in.o' object
 in-target := $(objprefix)$(obj)-in.o
 
@@ -140,7 +144,7 @@ $(subdir-y):
 
 $(sort $(subdir-obj-y)): $(subdir-y) ;
 
-$(in-target): $(obj-y) FORCE
+$(in-target): $(obj-y) $(test-y) FORCE
 	$(call rule_mkdir)
 	$(call if_changed,$(host)ld_multi)
 
diff --git a/tools/perf/tests/switch-tracking.c b/tools/perf/tests/switch-tracking.c
index 9b5be51e5e7b..6771f2e0fbfc 100644
--- a/tools/perf/tests/switch-tracking.c
+++ b/tools/perf/tests/switch-tracking.c
@@ -248,7 +248,7 @@ static int compar(const void *a, const void *b)
 	const struct event_node *nodeb = b;
 	s64 cmp = nodea->event_time - nodeb->event_time;
 
-	return cmp;
+	return cmp < 0 ? -1 : (cmp > 0 ? 1 : 0);
 }
 
 static int process_events(struct perf_evlist *evlist,
diff --git a/tools/perf/ui/browsers/hists.c b/tools/perf/ui/browsers/hists.c
index 31e07e4b5411..b3bb6b76eb48 100644
--- a/tools/perf/ui/browsers/hists.c
+++ b/tools/perf/ui/browsers/hists.c
@@ -2937,10 +2937,10 @@ static int perf_evsel__hists_browse(struct perf_evsel *evsel, int nr_events,
 				/*
 				 * No need to set actions->dso here since
 				 * it's just to remove the current filter.
-				 * Ditto for thread below.
 				 */
 				do_zoom_dso(browser, actions);
 			} else if (top == &browser->hists->thread_filter) {
+				actions->thread = thread;
 				do_zoom_thread(browser, actions);
 			} else if (top == &browser->hists->socket_filter) {
 				do_zoom_socket(browser, actions);
diff --git a/tools/testing/selftests/seccomp/seccomp_bpf.c b/tools/testing/selftests/seccomp/seccomp_bpf.c
index 14cad657bc6a..09ac60345231 100644
--- a/tools/testing/selftests/seccomp/seccomp_bpf.c
+++ b/tools/testing/selftests/seccomp/seccomp_bpf.c
@@ -2796,12 +2796,15 @@ TEST(syscall_restart)
 	ret = get_syscall(_metadata, child_pid);
 #if defined(__arm__)
 	/*
-	 * FIXME:
 	 * - native ARM registers do NOT expose true syscall.
 	 * - compat ARM registers on ARM64 DO expose true syscall.
+	 * - values of utsbuf.machine include 'armv8l' or 'armb8b'
+	 *   for ARM64 running in compat mode.
 	 */
 	ASSERT_EQ(0, uname(&utsbuf));
-	if (strncmp(utsbuf.machine, "arm", 3) == 0) {
+	if ((strncmp(utsbuf.machine, "arm", 3) == 0) &&
+	    (strncmp(utsbuf.machine, "armv8l", 6) != 0) &&
+	    (strncmp(utsbuf.machine, "armv8b", 6) != 0)) {
 		EXPECT_EQ(__NR_nanosleep, ret);
 	} else
 #endif