diff --git a/Makefile b/Makefile
index c78dcf27f229..ac6a148db9f2 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
 # SPDX-License-Identifier: GPL-2.0
 VERSION = 4
 PATCHLEVEL = 14
-SUBLEVEL = 276
+SUBLEVEL = 281
 EXTRAVERSION =
 NAME = Petit Gorille
 
diff --git a/arch/arc/kernel/entry.S b/arch/arc/kernel/entry.S
index 37ad245cf989..fb458623f386 100644
--- a/arch/arc/kernel/entry.S
+++ b/arch/arc/kernel/entry.S
@@ -191,6 +191,7 @@ tracesys_exit:
 	st  r0, [sp, PT_r0]     ; sys call return value in pt_regs
 
 	;POST Sys Call Ptrace Hook
+	mov r0, sp		; pt_regs needed
 	bl  @syscall_trace_exit
 	b   ret_from_exception ; NOT ret_from_system_call at is saves r0 which
 	; we'd done before calling post hook above
diff --git a/arch/arm/boot/dts/imx6qdl-apalis.dtsi b/arch/arm/boot/dts/imx6qdl-apalis.dtsi
index ea339fa58f4a..2477883c0efb 100644
--- a/arch/arm/boot/dts/imx6qdl-apalis.dtsi
+++ b/arch/arm/boot/dts/imx6qdl-apalis.dtsi
@@ -316,6 +316,8 @@
 	codec: sgtl5000@0a {
 		compatible = "fsl,sgtl5000";
 		reg = <0x0a>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_sgtl5000>;
 		clocks = <&clks IMX6QDL_CLK_CKO>;
 		VDDA-supply = <&reg_2p5v>;
 		VDDIO-supply = <&reg_3p3v>;
@@ -543,8 +545,6 @@
 			MX6QDL_PAD_DISP0_DAT21__AUD4_TXD	0x130b0
 			MX6QDL_PAD_DISP0_DAT22__AUD4_TXFS	0x130b0
 			MX6QDL_PAD_DISP0_DAT23__AUD4_RXD	0x130b0
-			/* SGTL5000 sys_mclk */
-			MX6QDL_PAD_GPIO_5__CCM_CLKO1		0x130b0
 		>;
 	};
 
@@ -810,6 +810,12 @@
 		>;
 	};
 
+	pinctrl_sgtl5000: sgtl5000grp {
+		fsl,pins = <
+			MX6QDL_PAD_GPIO_5__CCM_CLKO1	0x130b0
+		>;
+	};
+
 	pinctrl_spdif: spdifgrp {
 		fsl,pins = <
 			MX6QDL_PAD_GPIO_16__SPDIF_IN  0x1b0b0
diff --git a/arch/arm/boot/dts/omap3-gta04.dtsi b/arch/arm/boot/dts/omap3-gta04.dtsi
index ee028aa663fa..312267724033 100644
--- a/arch/arm/boot/dts/omap3-gta04.dtsi
+++ b/arch/arm/boot/dts/omap3-gta04.dtsi
@@ -29,6 +29,8 @@
 	aliases {
 		display0 = &lcd;
 		display1 = &tv0;
+		/delete-property/ mmc2;
+		/delete-property/ mmc3;
 	};
 
 	gpio-keys {
diff --git a/arch/arm/kernel/entry-armv.S b/arch/arm/kernel/entry-armv.S
index b54084f9b77a..e1b3c5c96560 100644
--- a/arch/arm/kernel/entry-armv.S
+++ b/arch/arm/kernel/entry-armv.S
@@ -1071,7 +1071,7 @@ vector_bhb_loop8_\name:
 
 	@ bhb workaround
 	mov	r0, #8
-3:	b	. + 4
+3:	W(b)	. + 4
 	subs	r0, r0, #1
 	bne	3b
 	dsb
diff --git a/arch/arm/kernel/stacktrace.c b/arch/arm/kernel/stacktrace.c
index 31af81d46aae..21c49d3559db 100644
--- a/arch/arm/kernel/stacktrace.c
+++ b/arch/arm/kernel/stacktrace.c
@@ -51,17 +51,17 @@ int notrace unwind_frame(struct stackframe *frame)
 		return -EINVAL;
 
 	frame->sp = frame->fp;
-	frame->fp = *(unsigned long *)(fp);
-	frame->pc = *(unsigned long *)(fp + 4);
+	frame->fp = READ_ONCE_NOCHECK(*(unsigned long *)(fp));
+	frame->pc = READ_ONCE_NOCHECK(*(unsigned long *)(fp + 4));
 #else
 	/* check current frame pointer is within bounds */
 	if (fp < low + 12 || fp > high - 4)
 		return -EINVAL;
 
 	/* restore the registers from the stack frame */
-	frame->fp = *(unsigned long *)(fp - 12);
-	frame->sp = *(unsigned long *)(fp - 8);
-	frame->pc = *(unsigned long *)(fp - 4);
+	frame->fp = READ_ONCE_NOCHECK(*(unsigned long *)(fp - 12));
+	frame->sp = READ_ONCE_NOCHECK(*(unsigned long *)(fp - 8));
+	frame->pc = READ_ONCE_NOCHECK(*(unsigned long *)(fp - 4));
 #endif
 
 	return 0;
diff --git a/arch/arm/mach-omap2/omap4-common.c b/arch/arm/mach-omap2/omap4-common.c
index e5dcbda20129..7fff67ea7bcd 100644
--- a/arch/arm/mach-omap2/omap4-common.c
+++ b/arch/arm/mach-omap2/omap4-common.c
@@ -342,10 +342,12 @@ void __init omap_gic_of_init(void)
 
 	np = of_find_compatible_node(NULL, NULL, "arm,cortex-a9-gic");
 	gic_dist_base_addr = of_iomap(np, 0);
+	of_node_put(np);
 	WARN_ON(!gic_dist_base_addr);
 
 	np = of_find_compatible_node(NULL, NULL, "arm,cortex-a9-twd-timer");
 	twd_base = of_iomap(np, 0);
+	of_node_put(np);
 	WARN_ON(!twd_base);
 
 skip_errata_init:
diff --git a/arch/arm/mach-vexpress/spc.c b/arch/arm/mach-vexpress/spc.c
index 635b0d549487..c16f39614003 100644
--- a/arch/arm/mach-vexpress/spc.c
+++ b/arch/arm/mach-vexpress/spc.c
@@ -584,7 +584,7 @@ static int __init ve_spc_clk_init(void)
 		}
 
 		cluster = topology_physical_package_id(cpu_dev->id);
-		if (init_opp_table[cluster])
+		if (cluster < 0 || init_opp_table[cluster])
 			continue;
 
 		if (ve_init_opp_table(cpu_dev))
diff --git a/arch/arm/mm/proc-v7-bugs.c b/arch/arm/mm/proc-v7-bugs.c
index 1b6e770bc1cd..8b78694d56b8 100644
--- a/arch/arm/mm/proc-v7-bugs.c
+++ b/arch/arm/mm/proc-v7-bugs.c
@@ -297,6 +297,7 @@ void cpu_v7_ca15_ibe(void)
 {
 	if (check_spectre_auxcr(this_cpu_ptr(&spectre_warned), BIT(0)))
 		cpu_v7_spectre_v2_init();
+	cpu_v7_spectre_bhb_init();
 }
 
 void cpu_v7_bugs_init(void)
diff --git a/arch/mips/bmips/setup.c b/arch/mips/bmips/setup.c
index 3b6f687f177c..32f8c501f6cb 100644
--- a/arch/mips/bmips/setup.c
+++ b/arch/mips/bmips/setup.c
@@ -174,7 +174,7 @@ void __init plat_mem_setup(void)
 		dtb = phys_to_virt(fw_arg2);
 	else if (fw_passed_dtb) /* UHI interface */
 		dtb = (void *)fw_passed_dtb;
-	else if (__dtb_start != __dtb_end)
+	else if (&__dtb_start != &__dtb_end)
 		dtb = (void *)__dtb_start;
 	else
 		panic("no dtb found");
diff --git a/arch/mips/include/asm/timex.h b/arch/mips/include/asm/timex.h
index b05bb70a2e46..8026baf46e72 100644
--- a/arch/mips/include/asm/timex.h
+++ b/arch/mips/include/asm/timex.h
@@ -40,9 +40,9 @@
 typedef unsigned int cycles_t;
 
 /*
- * On R4000/R4400 before version 5.0 an erratum exists such that if the
- * cycle counter is read in the exact moment that it is matching the
- * compare register, no interrupt will be generated.
+ * On R4000/R4400 an erratum exists such that if the cycle counter is
+ * read in the exact moment that it is matching the compare register,
+ * no interrupt will be generated.
  *
  * There is a suggested workaround and also the erratum can't strike if
  * the compare interrupt isn't being used as the clock source device.
@@ -63,7 +63,7 @@ static inline int can_use_mips_counter(unsigned int prid)
 	if (!__builtin_constant_p(cpu_has_counter))
 		asm volatile("" : "=m" (cpu_data[0].options));
 	if (likely(cpu_has_counter &&
-		   prid >= (PRID_IMP_R4000 | PRID_REV_ENCODE_44(5, 0))))
+		   prid > (PRID_IMP_R4000 | PRID_REV_ENCODE_44(15, 15))))
 		return 1;
 	else
 		return 0;
diff --git a/arch/mips/kernel/time.c b/arch/mips/kernel/time.c
index 79ebf349aab4..060a03702b5a 100644
--- a/arch/mips/kernel/time.c
+++ b/arch/mips/kernel/time.c
@@ -155,15 +155,10 @@ static __init int cpu_has_mfc0_count_bug(void)
 	case CPU_R4400MC:
 		/*
 		 * The published errata for the R4400 up to 3.0 say the CPU
-		 * has the mfc0 from count bug.
+		 * has the mfc0 from count bug.  This seems the last version
+		 * produced.
 		 */
-		if ((current_cpu_data.processor_id & 0xff) <= 0x30)
-			return 1;
-
-		/*
-		 * we assume newer revisions are ok
-		 */
-		return 0;
+		return 1;
 	}
 
 	return 0;
diff --git a/arch/mips/lantiq/falcon/sysctrl.c b/arch/mips/lantiq/falcon/sysctrl.c
index 82bbd0e2e298..714d92659489 100644
--- a/arch/mips/lantiq/falcon/sysctrl.c
+++ b/arch/mips/lantiq/falcon/sysctrl.c
@@ -169,6 +169,8 @@ static inline void clkdev_add_sys(const char *dev, unsigned int module,
 {
 	struct clk *clk = kzalloc(sizeof(struct clk), GFP_KERNEL);
 
+	if (!clk)
+		return;
 	clk->cl.dev_id = dev;
 	clk->cl.con_id = NULL;
 	clk->cl.clk = clk;
diff --git a/arch/mips/lantiq/prom.c b/arch/mips/lantiq/prom.c
index 9ff7ccde9de0..a26322ff57e0 100644
--- a/arch/mips/lantiq/prom.c
+++ b/arch/mips/lantiq/prom.c
@@ -82,7 +82,7 @@ void __init plat_mem_setup(void)
 
 	if (fw_passed_dtb) /* UHI interface */
 		dtb = (void *)fw_passed_dtb;
-	else if (__dtb_start != __dtb_end)
+	else if (&__dtb_start != &__dtb_end)
 		dtb = (void *)__dtb_start;
 	else
 		panic("no dtb found");
diff --git a/arch/mips/lantiq/xway/gptu.c b/arch/mips/lantiq/xway/gptu.c
index e304aabd6678..7d4081d67d61 100644
--- a/arch/mips/lantiq/xway/gptu.c
+++ b/arch/mips/lantiq/xway/gptu.c
@@ -124,6 +124,8 @@ static inline void clkdev_add_gptu(struct device *dev, const char *con,
 {
 	struct clk *clk = kzalloc(sizeof(struct clk), GFP_KERNEL);
 
+	if (!clk)
+		return;
 	clk->cl.dev_id = dev_name(dev);
 	clk->cl.con_id = con;
 	clk->cl.clk = clk;
diff --git a/arch/mips/lantiq/xway/sysctrl.c b/arch/mips/lantiq/xway/sysctrl.c
index c05bed624075..1b1142c7bb85 100644
--- a/arch/mips/lantiq/xway/sysctrl.c
+++ b/arch/mips/lantiq/xway/sysctrl.c
@@ -313,6 +313,8 @@ static void clkdev_add_pmu(const char *dev, const char *con, bool deactivate,
 {
 	struct clk *clk = kzalloc(sizeof(struct clk), GFP_KERNEL);
 
+	if (!clk)
+		return;
 	clk->cl.dev_id = dev;
 	clk->cl.con_id = con;
 	clk->cl.clk = clk;
@@ -336,6 +338,8 @@ static void clkdev_add_cgu(const char *dev, const char *con,
 {
 	struct clk *clk = kzalloc(sizeof(struct clk), GFP_KERNEL);
 
+	if (!clk)
+		return;
 	clk->cl.dev_id = dev;
 	clk->cl.con_id = con;
 	clk->cl.clk = clk;
@@ -354,24 +358,28 @@ static void clkdev_add_pci(void)
 	struct clk *clk_ext = kzalloc(sizeof(struct clk), GFP_KERNEL);
 
 	/* main pci clock */
-	clk->cl.dev_id = "17000000.pci";
-	clk->cl.con_id = NULL;
-	clk->cl.clk = clk;
-	clk->rate = CLOCK_33M;
-	clk->rates = valid_pci_rates;
-	clk->enable = pci_enable;
-	clk->disable = pmu_disable;
-	clk->module = 0;
-	clk->bits = PMU_PCI;
-	clkdev_add(&clk->cl);
+	if (clk) {
+		clk->cl.dev_id = "17000000.pci";
+		clk->cl.con_id = NULL;
+		clk->cl.clk = clk;
+		clk->rate = CLOCK_33M;
+		clk->rates = valid_pci_rates;
+		clk->enable = pci_enable;
+		clk->disable = pmu_disable;
+		clk->module = 0;
+		clk->bits = PMU_PCI;
+		clkdev_add(&clk->cl);
+	}
 
 	/* use internal/external bus clock */
-	clk_ext->cl.dev_id = "17000000.pci";
-	clk_ext->cl.con_id = "external";
-	clk_ext->cl.clk = clk_ext;
-	clk_ext->enable = pci_ext_enable;
-	clk_ext->disable = pci_ext_disable;
-	clkdev_add(&clk_ext->cl);
+	if (clk_ext) {
+		clk_ext->cl.dev_id = "17000000.pci";
+		clk_ext->cl.con_id = "external";
+		clk_ext->cl.clk = clk_ext;
+		clk_ext->enable = pci_ext_enable;
+		clk_ext->disable = pci_ext_disable;
+		clkdev_add(&clk_ext->cl);
+	}
 }
 
 /* xway socs can generate clocks on gpio pins */
@@ -391,9 +399,15 @@ static void clkdev_add_clkout(void)
 		char *name;
 
 		name = kzalloc(sizeof("clkout0"), GFP_KERNEL);
+		if (!name)
+			continue;
 		sprintf(name, "clkout%d", i);
 
 		clk = kzalloc(sizeof(struct clk), GFP_KERNEL);
+		if (!clk) {
+			kfree(name);
+			continue;
+		}
 		clk->cl.dev_id = "1f103000.cgu";
 		clk->cl.con_id = name;
 		clk->cl.clk = clk;
diff --git a/arch/mips/pic32/pic32mzda/init.c b/arch/mips/pic32/pic32mzda/init.c
index 51599710472b..406c6c5cec29 100644
--- a/arch/mips/pic32/pic32mzda/init.c
+++ b/arch/mips/pic32/pic32mzda/init.c
@@ -36,7 +36,7 @@ static ulong get_fdtaddr(void)
 	if (fw_passed_dtb && !fw_arg2 && !fw_arg3)
 		return (ulong)fw_passed_dtb;
 
-	if (__dtb_start < __dtb_end)
+	if (&__dtb_start < &__dtb_end)
 		ftaddr = (ulong)__dtb_start;
 
 	return ftaddr;
diff --git a/arch/mips/ralink/of.c b/arch/mips/ralink/of.c
index 92b3d4849996..1f7c686f7218 100644
--- a/arch/mips/ralink/of.c
+++ b/arch/mips/ralink/of.c
@@ -79,7 +79,7 @@ void __init plat_mem_setup(void)
 	 */
 	if (fw_passed_dtb)
 		dtb = (void *)fw_passed_dtb;
-	else if (__dtb_start != __dtb_end)
+	else if (&__dtb_start != &__dtb_end)
 		dtb = (void *)__dtb_start;
 
 	__dt_setup_arch(dtb);
diff --git a/arch/parisc/kernel/processor.c b/arch/parisc/kernel/processor.c
index e120d63c1b28..58ece781a176 100644
--- a/arch/parisc/kernel/processor.c
+++ b/arch/parisc/kernel/processor.c
@@ -408,8 +408,7 @@ show_cpuinfo (struct seq_file *m, void *v)
 		}
 		seq_printf(m, " (0x%02lx)\n", boot_cpu_data.pdc.capabilities);
 
-		seq_printf(m, "model\t\t: %s\n"
-				"model name\t: %s\n",
+		seq_printf(m, "model\t\t: %s - %s\n",
 				 boot_cpu_data.pdc.sys_model_name,
 				 cpuinfo->dev ?
 				 cpuinfo->dev->name : "Unknown");
diff --git a/arch/powerpc/perf/power9-pmu.c b/arch/powerpc/perf/power9-pmu.c
index efb19b089023..75d3a10e20fe 100644
--- a/arch/powerpc/perf/power9-pmu.c
+++ b/arch/powerpc/perf/power9-pmu.c
@@ -107,11 +107,11 @@ extern struct attribute_group isa207_pmu_format_group;
 
 /* Table of alternatives, sorted by column 0 */
 static const unsigned int power9_event_alternatives[][MAX_ALT] = {
-	{ PM_INST_DISP,			PM_INST_DISP_ALT },
-	{ PM_RUN_CYC_ALT,		PM_RUN_CYC },
-	{ PM_RUN_INST_CMPL_ALT,		PM_RUN_INST_CMPL },
-	{ PM_LD_MISS_L1,		PM_LD_MISS_L1_ALT },
 	{ PM_BR_2PATH,			PM_BR_2PATH_ALT },
+	{ PM_INST_DISP,			PM_INST_DISP_ALT },
+	{ PM_RUN_CYC_ALT,               PM_RUN_CYC },
+	{ PM_LD_MISS_L1,                PM_LD_MISS_L1_ALT },
+	{ PM_RUN_INST_CMPL_ALT,         PM_RUN_INST_CMPL },
 };
 
 static int power9_get_alternatives(u64 event, unsigned int flags, u64 alt[])
diff --git a/arch/x86/include/asm/compat.h b/arch/x86/include/asm/compat.h
index 2cbd75dd2fd3..ea142936bf11 100644
--- a/arch/x86/include/asm/compat.h
+++ b/arch/x86/include/asm/compat.h
@@ -57,15 +57,13 @@ struct compat_timeval {
 };
 
 struct compat_stat {
-	compat_dev_t	st_dev;
-	u16		__pad1;
+	u32		st_dev;
 	compat_ino_t	st_ino;
 	compat_mode_t	st_mode;
 	compat_nlink_t	st_nlink;
 	__compat_uid_t	st_uid;
 	__compat_gid_t	st_gid;
-	compat_dev_t	st_rdev;
-	u16		__pad2;
+	u32		st_rdev;
 	u32		st_size;
 	u32		st_blksize;
 	u32		st_blocks;
diff --git a/arch/x86/include/asm/microcode.h b/arch/x86/include/asm/microcode.h
index 6cf0e4cb7b97..c11755bddea2 100644
--- a/arch/x86/include/asm/microcode.h
+++ b/arch/x86/include/asm/microcode.h
@@ -147,11 +147,13 @@ extern void load_ucode_ap(void);
 void reload_early_microcode(void);
 extern bool get_builtin_firmware(struct cpio_data *cd, const char *name);
 extern bool initrd_gone;
+void microcode_bsp_resume(void);
 #else
 static inline int __init microcode_init(void)			{ return 0; };
 static inline void __init load_ucode_bsp(void)			{ }
 static inline void load_ucode_ap(void)				{ }
 static inline void reload_early_microcode(void)			{ }
+static inline void microcode_bsp_resume(void)			{ }
 static inline bool
 get_builtin_firmware(struct cpio_data *cd, const char *name)	{ return false; }
 #endif
diff --git a/arch/x86/kernel/cpu/microcode/core.c b/arch/x86/kernel/cpu/microcode/core.c
index 51583a5d656d..78ac8c33a16e 100644
--- a/arch/x86/kernel/cpu/microcode/core.c
+++ b/arch/x86/kernel/cpu/microcode/core.c
@@ -773,9 +773,9 @@ static struct subsys_interface mc_cpu_interface = {
 };
 
 /**
- * mc_bp_resume - Update boot CPU microcode during resume.
+ * microcode_bsp_resume - Update boot CPU microcode during resume.
  */
-static void mc_bp_resume(void)
+void microcode_bsp_resume(void)
 {
 	int cpu = smp_processor_id();
 	struct ucode_cpu_info *uci = ucode_cpu_info + cpu;
@@ -787,7 +787,7 @@ static void mc_bp_resume(void)
 }
 
 static struct syscore_ops mc_syscore_ops = {
-	.resume			= mc_bp_resume,
+	.resume			= microcode_bsp_resume,
 };
 
 static int mc_cpu_starting(unsigned int cpu)
diff --git a/arch/x86/kvm/cpuid.c b/arch/x86/kvm/cpuid.c
index 7e1ab0e0f3f2..fd1eb8600ccf 100644
--- a/arch/x86/kvm/cpuid.c
+++ b/arch/x86/kvm/cpuid.c
@@ -517,6 +517,11 @@ static inline int __do_cpuid_ent(struct kvm_cpuid_entry2 *entry, u32 function,
 		union cpuid10_eax eax;
 		union cpuid10_edx edx;
 
+		if (!static_cpu_has(X86_FEATURE_ARCH_PERFMON)) {
+			entry->eax = entry->ebx = entry->ecx = entry->edx = 0;
+			break;
+		}
+
 		perf_get_x86_pmu_capability(&cap);
 
 		/*
diff --git a/arch/x86/lib/usercopy_64.c b/arch/x86/lib/usercopy_64.c
index 2c3b4bcbe8f2..0650b440b389 100644
--- a/arch/x86/lib/usercopy_64.c
+++ b/arch/x86/lib/usercopy_64.c
@@ -140,7 +140,7 @@ void memcpy_flushcache(void *_dst, const void *_src, size_t size)
 
 	/* cache copy and flush to align dest */
 	if (!IS_ALIGNED(dest, 8)) {
-		unsigned len = min_t(unsigned, size, ALIGN(dest, 8) - dest);
+		size_t len = min_t(size_t, size, ALIGN(dest, 8) - dest);
 
 		memcpy((void *) dest, (void *) source, len);
 		clean_cache_range((void *) dest, len);
diff --git a/arch/x86/power/cpu.c b/arch/x86/power/cpu.c
index e00b8c36ab72..794824948263 100644
--- a/arch/x86/power/cpu.c
+++ b/arch/x86/power/cpu.c
@@ -26,6 +26,7 @@
 #include <asm/cpu.h>
 #include <asm/mmu_context.h>
 #include <asm/cpu_device_id.h>
+#include <asm/microcode.h>
 
 #ifdef CONFIG_X86_32
 __visible unsigned long saved_context_ebx;
@@ -268,6 +269,13 @@ static void notrace __restore_processor_state(struct saved_context *ctxt)
 	x86_platform.restore_sched_clock_state();
 	mtrr_bp_restore();
 	perf_restore_debug_store();
+
+	microcode_bsp_resume();
+
+	/*
+	 * This needs to happen after the microcode has been updated upon resume
+	 * because some of the MSRs are "emulated" in microcode.
+	 */
 	msr_restore_context(ctxt);
 }
 
diff --git a/arch/x86/um/shared/sysdep/syscalls_64.h b/arch/x86/um/shared/sysdep/syscalls_64.h
index 8a7d5e1da98e..1e6875b4ffd8 100644
--- a/arch/x86/um/shared/sysdep/syscalls_64.h
+++ b/arch/x86/um/shared/sysdep/syscalls_64.h
@@ -10,13 +10,12 @@
 #include <linux/msg.h>
 #include <linux/shm.h>
 
-typedef long syscall_handler_t(void);
+typedef long syscall_handler_t(long, long, long, long, long, long);
 
 extern syscall_handler_t *sys_call_table[];
 
 #define EXECUTE_SYSCALL(syscall, regs) \
-	(((long (*)(long, long, long, long, long, long)) \
-	  (*sys_call_table[syscall]))(UPT_SYSCALL_ARG1(&regs->regs), \
+	(((*sys_call_table[syscall]))(UPT_SYSCALL_ARG1(&regs->regs), \
 		 		      UPT_SYSCALL_ARG2(&regs->regs), \
 				      UPT_SYSCALL_ARG3(&regs->regs), \
 				      UPT_SYSCALL_ARG4(&regs->regs), \
diff --git a/block/compat_ioctl.c b/block/compat_ioctl.c
index 6490b2759bcb..9ef62d42ba5b 100644
--- a/block/compat_ioctl.c
+++ b/block/compat_ioctl.c
@@ -391,7 +391,7 @@ long compat_blkdev_ioctl(struct file *file, unsigned cmd, unsigned long arg)
 		return 0;
 	case BLKGETSIZE:
 		size = i_size_read(bdev->bd_inode);
-		if ((size >> 9) > ~0UL)
+		if ((size >> 9) > ~(compat_ulong_t)0)
 			return -EFBIG;
 		return compat_put_ulong(arg, size >> 9);
 
diff --git a/drivers/ata/pata_marvell.c b/drivers/ata/pata_marvell.c
index ff468a6fd8dd..677f582cf3d6 100644
--- a/drivers/ata/pata_marvell.c
+++ b/drivers/ata/pata_marvell.c
@@ -82,6 +82,8 @@ static int marvell_cable_detect(struct ata_port *ap)
 	switch(ap->port_no)
 	{
 	case 0:
+		if (!ap->ioaddr.bmdma_addr)
+			return ATA_CBL_PATA_UNK;
 		if (ioread8(ap->ioaddr.bmdma_addr + 1) & 1)
 			return ATA_CBL_PATA40;
 		return ATA_CBL_PATA80;
diff --git a/drivers/block/Kconfig b/drivers/block/Kconfig
index 991d6e7790e8..b77401ba3eb4 100644
--- a/drivers/block/Kconfig
+++ b/drivers/block/Kconfig
@@ -35,6 +35,22 @@ config BLK_DEV_FD
 	  To compile this driver as a module, choose M here: the
 	  module will be called floppy.
 
+config BLK_DEV_FD_RAWCMD
+	bool "Support for raw floppy disk commands (DEPRECATED)"
+	depends on BLK_DEV_FD
+	help
+	  If you want to use actual physical floppies and expect to do
+	  special low-level hardware accesses to them (access and use
+	  non-standard formats, for example), then enable this.
+
+	  Note that the code enabled by this option is rarely used and
+	  might be unstable or insecure, and distros should not enable it.
+
+	  Note: FDRAWCMD is deprecated and will be removed from the kernel
+	  in the near future.
+
+	  If unsure, say N.
+
 config AMIGA_FLOPPY
 	tristate "Amiga floppy support"
 	depends on AMIGA
diff --git a/drivers/block/drbd/drbd_main.c b/drivers/block/drbd/drbd_main.c
index b998e3abca7a..1e02cb60b65b 100644
--- a/drivers/block/drbd/drbd_main.c
+++ b/drivers/block/drbd/drbd_main.c
@@ -195,7 +195,7 @@ void tl_release(struct drbd_connection *connection, unsigned int barrier_nr,
 		unsigned int set_size)
 {
 	struct drbd_request *r;
-	struct drbd_request *req = NULL;
+	struct drbd_request *req = NULL, *tmp = NULL;
 	int expect_epoch = 0;
 	int expect_size = 0;
 
@@ -249,8 +249,11 @@ void tl_release(struct drbd_connection *connection, unsigned int barrier_nr,
 	 * to catch requests being barrier-acked "unexpectedly".
 	 * It usually should find the same req again, or some READ preceding it. */
 	list_for_each_entry(req, &connection->transfer_log, tl_requests)
-		if (req->epoch == expect_epoch)
+		if (req->epoch == expect_epoch) {
+			tmp = req;
 			break;
+		}
+	req = list_prepare_entry(tmp, &connection->transfer_log, tl_requests);
 	list_for_each_entry_safe_from(req, r, &connection->transfer_log, tl_requests) {
 		if (req->epoch != expect_epoch)
 			break;
diff --git a/drivers/block/drbd/drbd_nl.c b/drivers/block/drbd/drbd_nl.c
index 5543876ec0e2..bfefa8c4fa16 100644
--- a/drivers/block/drbd/drbd_nl.c
+++ b/drivers/block/drbd/drbd_nl.c
@@ -774,9 +774,11 @@ int drbd_adm_set_role(struct sk_buff *skb, struct genl_info *info)
 	mutex_lock(&adm_ctx.resource->adm_mutex);
 
 	if (info->genlhdr->cmd == DRBD_ADM_PRIMARY)
-		retcode = drbd_set_role(adm_ctx.device, R_PRIMARY, parms.assume_uptodate);
+		retcode = (enum drbd_ret_code)drbd_set_role(adm_ctx.device,
+						R_PRIMARY, parms.assume_uptodate);
 	else
-		retcode = drbd_set_role(adm_ctx.device, R_SECONDARY, 0);
+		retcode = (enum drbd_ret_code)drbd_set_role(adm_ctx.device,
+						R_SECONDARY, 0);
 
 	mutex_unlock(&adm_ctx.resource->adm_mutex);
 	genl_lock();
@@ -1941,7 +1943,7 @@ int drbd_adm_attach(struct sk_buff *skb, struct genl_info *info)
 	drbd_flush_workqueue(&connection->sender_work);
 
 	rv = _drbd_request_state(device, NS(disk, D_ATTACHING), CS_VERBOSE);
-	retcode = rv;  /* FIXME: Type mismatch. */
+	retcode = (enum drbd_ret_code)rv;
 	drbd_resume_io(device);
 	if (rv < SS_SUCCESS)
 		goto fail;
@@ -2671,7 +2673,8 @@ int drbd_adm_connect(struct sk_buff *skb, struct genl_info *info)
 	}
 	rcu_read_unlock();
 
-	retcode = conn_request_state(connection, NS(conn, C_UNCONNECTED), CS_VERBOSE);
+	retcode = (enum drbd_ret_code)conn_request_state(connection,
+					NS(conn, C_UNCONNECTED), CS_VERBOSE);
 
 	conn_reconfig_done(connection);
 	mutex_unlock(&adm_ctx.resource->adm_mutex);
@@ -2777,7 +2780,7 @@ int drbd_adm_disconnect(struct sk_buff *skb, struct genl_info *info)
 	mutex_lock(&adm_ctx.resource->adm_mutex);
 	rv = conn_try_disconnect(connection, parms.force_disconnect);
 	if (rv < SS_SUCCESS)
-		retcode = rv;  /* FIXME: Type mismatch. */
+		retcode = (enum drbd_ret_code)rv;
 	else
 		retcode = NO_ERROR;
 	mutex_unlock(&adm_ctx.resource->adm_mutex);
diff --git a/drivers/block/floppy.c b/drivers/block/floppy.c
index 057bedeaacab..d352ac941900 100644
--- a/drivers/block/floppy.c
+++ b/drivers/block/floppy.c
@@ -516,8 +516,8 @@ static unsigned long fdc_busy;
 static DECLARE_WAIT_QUEUE_HEAD(fdc_wait);
 static DECLARE_WAIT_QUEUE_HEAD(command_done);
 
-/* Errors during formatting are counted here. */
-static int format_errors;
+/* errors encountered on the current (or last) request */
+static int floppy_errors;
 
 /* Format request descriptor. */
 static struct format_descr format_req;
@@ -537,7 +537,6 @@ static struct format_descr format_req;
 static char *floppy_track_buffer;
 static int max_buffer_sectors;
 
-static int *errors;
 typedef void (*done_f)(int);
 static const struct cont_t {
 	void (*interrupt)(void);
@@ -1426,7 +1425,7 @@ static int interpret_errors(void)
 			if (DP->flags & FTD_MSG)
 				DPRINT("Over/Underrun - retrying\n");
 			bad = 0;
-		} else if (*errors >= DP->max_errors.reporting) {
+		} else if (floppy_errors >= DP->max_errors.reporting) {
 			print_errors();
 		}
 		if (ST2 & ST2_WC || ST2 & ST2_BC)
@@ -2049,7 +2048,7 @@ static void bad_flp_intr(void)
 		if (!next_valid_format())
 			return;
 	}
-	err_count = ++(*errors);
+	err_count = ++floppy_errors;
 	INFBOUND(DRWE->badness, err_count);
 	if (err_count > DP->max_errors.abort)
 		cont->done(0);
@@ -2194,9 +2193,8 @@ static int do_format(int drive, struct format_descr *tmp_format_req)
 		return -EINVAL;
 	}
 	format_req = *tmp_format_req;
-	format_errors = 0;
 	cont = &format_cont;
-	errors = &format_errors;
+	floppy_errors = 0;
 	ret = wait_til_done(redo_format, true);
 	if (ret == -EINTR)
 		return -EINTR;
@@ -2679,7 +2677,7 @@ static int make_raw_rw_request(void)
 		 */
 		if (!direct ||
 		    (indirect * 2 > direct * 3 &&
-		     *errors < DP->max_errors.read_track &&
+		     floppy_errors < DP->max_errors.read_track &&
 		     ((!probing ||
 		       (DP->read_track & (1 << DRS->probed_format)))))) {
 			max_size = blk_rq_sectors(current_req);
@@ -2813,7 +2811,7 @@ static int set_next_request(void)
 		if (q) {
 			current_req = blk_fetch_request(q);
 			if (current_req) {
-				current_req->error_count = 0;
+				floppy_errors = 0;
 				break;
 			}
 		}
@@ -2875,7 +2873,6 @@ do_request:
 		_floppy = floppy_type + DP->autodetect[DRS->probed_format];
 	} else
 		probing = 0;
-	errors = &(current_req->error_count);
 	tmp = make_raw_rw_request();
 	if (tmp < 2) {
 		request_done(tmp);
@@ -3018,6 +3015,8 @@ static const char *drive_name(int type, int drive)
 		return "(null)";
 }
 
+#ifdef CONFIG_BLK_DEV_FD_RAWCMD
+
 /* raw commands */
 static void raw_cmd_done(int flag)
 {
@@ -3229,6 +3228,35 @@ static int raw_cmd_ioctl(int cmd, void __user *param)
 	return ret;
 }
 
+static int floppy_raw_cmd_ioctl(int type, int drive, int cmd,
+				void __user *param)
+{
+	int ret;
+
+	pr_warn_once("Note: FDRAWCMD is deprecated and will be removed from the kernel in the near future.\n");
+
+	if (type)
+		return -EINVAL;
+	if (lock_fdc(drive))
+		return -EINTR;
+	set_floppy(drive);
+	ret = raw_cmd_ioctl(cmd, param);
+	if (ret == -EINTR)
+		return -EINTR;
+	process_fd_request();
+	return ret;
+}
+
+#else /* CONFIG_BLK_DEV_FD_RAWCMD */
+
+static int floppy_raw_cmd_ioctl(int type, int drive, int cmd,
+				void __user *param)
+{
+	return -EOPNOTSUPP;
+}
+
+#endif
+
 static int invalidate_drive(struct block_device *bdev)
 {
 	/* invalidate the buffer track to force a reread */
@@ -3416,7 +3444,6 @@ static int fd_locked_ioctl(struct block_device *bdev, fmode_t mode, unsigned int
 {
 	int drive = (long)bdev->bd_disk->private_data;
 	int type = ITYPE(UDRS->fd_device);
-	int i;
 	int ret;
 	int size;
 	union inparam {
@@ -3567,16 +3594,7 @@ static int fd_locked_ioctl(struct block_device *bdev, fmode_t mode, unsigned int
 		outparam = UDRWE;
 		break;
 	case FDRAWCMD:
-		if (type)
-			return -EINVAL;
-		if (lock_fdc(drive))
-			return -EINTR;
-		set_floppy(drive);
-		i = raw_cmd_ioctl(cmd, (void __user *)param);
-		if (i == -EINTR)
-			return -EINTR;
-		process_fd_request();
-		return i;
+		return floppy_raw_cmd_ioctl(type, drive, cmd, (void __user *)param);
 	case FDTWADDLE:
 		if (lock_fdc(drive))
 			return -EINTR;
diff --git a/drivers/bus/sunxi-rsb.c b/drivers/bus/sunxi-rsb.c
index 2ca2cc56bcef..b85d013a9185 100644
--- a/drivers/bus/sunxi-rsb.c
+++ b/drivers/bus/sunxi-rsb.c
@@ -224,6 +224,8 @@ static struct sunxi_rsb_device *sunxi_rsb_device_create(struct sunxi_rsb *rsb,
 
 	dev_dbg(&rdev->dev, "device %s registered\n", dev_name(&rdev->dev));
 
+	return rdev;
+
 err_device_add:
 	put_device(&rdev->dev);
 
diff --git a/drivers/clk/at91/clk-generated.c b/drivers/clk/at91/clk-generated.c
index ea23002be4de..b397556c34d9 100644
--- a/drivers/clk/at91/clk-generated.c
+++ b/drivers/clk/at91/clk-generated.c
@@ -119,6 +119,10 @@ static void clk_generated_best_diff(struct clk_rate_request *req,
 		tmp_rate = parent_rate;
 	else
 		tmp_rate = parent_rate / div;
+
+	if (tmp_rate < req->min_rate || tmp_rate > req->max_rate)
+		return;
+
 	tmp_diff = abs(req->rate - tmp_rate);
 
 	if (*best_diff < 0 || *best_diff > tmp_diff) {
diff --git a/drivers/clk/sunxi/clk-sun9i-mmc.c b/drivers/clk/sunxi/clk-sun9i-mmc.c
index f69f9e8c6f38..7e9d1624032f 100644
--- a/drivers/clk/sunxi/clk-sun9i-mmc.c
+++ b/drivers/clk/sunxi/clk-sun9i-mmc.c
@@ -117,6 +117,8 @@ static int sun9i_a80_mmc_config_clk_probe(struct platform_device *pdev)
 	spin_lock_init(&data->lock);
 
 	r = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	if (!r)
+		return -EINVAL;
 	/* one clock/reset pair per word */
 	count = DIV_ROUND_UP((resource_size(r)), SUN9I_MMC_WIDTH);
 	data->membase = devm_ioremap_resource(&pdev->dev, r);
diff --git a/drivers/dma/at_xdmac.c b/drivers/dma/at_xdmac.c
index 5b182061da22..2af0e151b31b 100644
--- a/drivers/dma/at_xdmac.c
+++ b/drivers/dma/at_xdmac.c
@@ -1390,7 +1390,7 @@ at_xdmac_tx_status(struct dma_chan *chan, dma_cookie_t cookie,
 {
 	struct at_xdmac_chan	*atchan = to_at_xdmac_chan(chan);
 	struct at_xdmac		*atxdmac = to_at_xdmac(atchan->chan.device);
-	struct at_xdmac_desc	*desc, *_desc;
+	struct at_xdmac_desc	*desc, *_desc, *iter;
 	struct list_head	*descs_list;
 	enum dma_status		ret;
 	int			residue, retry;
@@ -1505,11 +1505,13 @@ at_xdmac_tx_status(struct dma_chan *chan, dma_cookie_t cookie,
 	 * microblock.
 	 */
 	descs_list = &desc->descs_list;
-	list_for_each_entry_safe(desc, _desc, descs_list, desc_node) {
-		dwidth = at_xdmac_get_dwidth(desc->lld.mbr_cfg);
-		residue -= (desc->lld.mbr_ubc & 0xffffff) << dwidth;
-		if ((desc->lld.mbr_nda & 0xfffffffc) == cur_nda)
+	list_for_each_entry_safe(iter, _desc, descs_list, desc_node) {
+		dwidth = at_xdmac_get_dwidth(iter->lld.mbr_cfg);
+		residue -= (iter->lld.mbr_ubc & 0xffffff) << dwidth;
+		if ((iter->lld.mbr_nda & 0xfffffffc) == cur_nda) {
+			desc = iter;
 			break;
+		}
 	}
 	residue += cur_ubc << dwidth;
 
diff --git a/drivers/dma/imx-sdma.c b/drivers/dma/imx-sdma.c
index 99f3f22ed647..02d13a44ba45 100644
--- a/drivers/dma/imx-sdma.c
+++ b/drivers/dma/imx-sdma.c
@@ -1528,7 +1528,7 @@ static int sdma_event_remap(struct sdma_engine *sdma)
 	u32 reg, val, shift, num_map, i;
 	int ret = 0;
 
-	if (IS_ERR(np) || IS_ERR(gpr_np))
+	if (IS_ERR(np) || !gpr_np)
 		goto out;
 
 	event_remap = of_find_property(np, propname, NULL);
@@ -1576,7 +1576,7 @@ static int sdma_event_remap(struct sdma_engine *sdma)
 	}
 
 out:
-	if (!IS_ERR(gpr_np))
+	if (gpr_np)
 		of_node_put(gpr_np);
 
 	return ret;
diff --git a/drivers/firewire/core-card.c b/drivers/firewire/core-card.c
index 57ea7f464178..11c634125c7d 100644
--- a/drivers/firewire/core-card.c
+++ b/drivers/firewire/core-card.c
@@ -681,6 +681,7 @@ EXPORT_SYMBOL_GPL(fw_card_release);
 void fw_core_remove_card(struct fw_card *card)
 {
 	struct fw_card_driver dummy_driver = dummy_driver_template;
+	unsigned long flags;
 
 	card->driver->update_phy_reg(card, 4,
 				     PHY_LINK_ACTIVE | PHY_CONTENDER, 0);
@@ -695,7 +696,9 @@ void fw_core_remove_card(struct fw_card *card)
 	dummy_driver.stop_iso		= card->driver->stop_iso;
 	card->driver = &dummy_driver;
 
+	spin_lock_irqsave(&card->lock, flags);
 	fw_destroy_nodes(card);
+	spin_unlock_irqrestore(&card->lock, flags);
 
 	/* Wait for all users, especially device workqueue jobs, to finish. */
 	fw_card_put(card);
diff --git a/drivers/firewire/core-cdev.c b/drivers/firewire/core-cdev.c
index a301fcf46e88..00cea6cb5ef7 100644
--- a/drivers/firewire/core-cdev.c
+++ b/drivers/firewire/core-cdev.c
@@ -1495,6 +1495,7 @@ static void outbound_phy_packet_callback(struct fw_packet *packet,
 {
 	struct outbound_phy_packet_event *e =
 		container_of(packet, struct outbound_phy_packet_event, p);
+	struct client *e_client;
 
 	switch (status) {
 	/* expected: */
@@ -1511,9 +1512,10 @@ static void outbound_phy_packet_callback(struct fw_packet *packet,
 	}
 	e->phy_packet.data[0] = packet->timestamp;
 
+	e_client = e->client;
 	queue_event(e->client, &e->event, &e->phy_packet,
 		    sizeof(e->phy_packet) + e->phy_packet.length, NULL, 0);
-	client_put(e->client);
+	client_put(e_client);
 }
 
 static int ioctl_send_phy_packet(struct client *client, union ioctl_arg *arg)
diff --git a/drivers/firewire/core-topology.c b/drivers/firewire/core-topology.c
index 939d259ddf19..ea9c032d784c 100644
--- a/drivers/firewire/core-topology.c
+++ b/drivers/firewire/core-topology.c
@@ -387,16 +387,13 @@ static void report_found_node(struct fw_card *card,
 	card->bm_retries = 0;
 }
 
+/* Must be called with card->lock held */
 void fw_destroy_nodes(struct fw_card *card)
 {
-	unsigned long flags;
-
-	spin_lock_irqsave(&card->lock, flags);
 	card->color++;
 	if (card->local_node != NULL)
 		for_each_fw_node(card, card->local_node, report_lost_node);
 	card->local_node = NULL;
-	spin_unlock_irqrestore(&card->lock, flags);
 }
 
 static void move_tree(struct fw_node *node0, struct fw_node *node1, int port)
@@ -522,6 +519,8 @@ void fw_core_handle_bus_reset(struct fw_card *card, int node_id, int generation,
 	struct fw_node *local_node;
 	unsigned long flags;
 
+	spin_lock_irqsave(&card->lock, flags);
+
 	/*
 	 * If the selfID buffer is not the immediate successor of the
 	 * previously processed one, we cannot reliably compare the
@@ -533,8 +532,6 @@ void fw_core_handle_bus_reset(struct fw_card *card, int node_id, int generation,
 		card->bm_retries = 0;
 	}
 
-	spin_lock_irqsave(&card->lock, flags);
-
 	card->broadcast_channel_allocated = card->broadcast_channel_auto_allocated;
 	card->node_id = node_id;
 	/*
diff --git a/drivers/firewire/core-transaction.c b/drivers/firewire/core-transaction.c
index d6a09b9cd8cc..0446221d7d2e 100644
--- a/drivers/firewire/core-transaction.c
+++ b/drivers/firewire/core-transaction.c
@@ -86,24 +86,25 @@ static int try_cancel_split_timeout(struct fw_transaction *t)
 static int close_transaction(struct fw_transaction *transaction,
 			     struct fw_card *card, int rcode)
 {
-	struct fw_transaction *t;
+	struct fw_transaction *t = NULL, *iter;
 	unsigned long flags;
 
 	spin_lock_irqsave(&card->lock, flags);
-	list_for_each_entry(t, &card->transaction_list, link) {
-		if (t == transaction) {
-			if (!try_cancel_split_timeout(t)) {
+	list_for_each_entry(iter, &card->transaction_list, link) {
+		if (iter == transaction) {
+			if (!try_cancel_split_timeout(iter)) {
 				spin_unlock_irqrestore(&card->lock, flags);
 				goto timed_out;
 			}
-			list_del_init(&t->link);
-			card->tlabel_mask &= ~(1ULL << t->tlabel);
+			list_del_init(&iter->link);
+			card->tlabel_mask &= ~(1ULL << iter->tlabel);
+			t = iter;
 			break;
 		}
 	}
 	spin_unlock_irqrestore(&card->lock, flags);
 
-	if (&t->link != &card->transaction_list) {
+	if (t) {
 		t->callback(card, rcode, NULL, 0, t->callback_data);
 		return 0;
 	}
@@ -938,7 +939,7 @@ EXPORT_SYMBOL(fw_core_handle_request);
 
 void fw_core_handle_response(struct fw_card *card, struct fw_packet *p)
 {
-	struct fw_transaction *t;
+	struct fw_transaction *t = NULL, *iter;
 	unsigned long flags;
 	u32 *data;
 	size_t data_length;
@@ -950,20 +951,21 @@ void fw_core_handle_response(struct fw_card *card, struct fw_packet *p)
 	rcode	= HEADER_GET_RCODE(p->header[1]);
 
 	spin_lock_irqsave(&card->lock, flags);
-	list_for_each_entry(t, &card->transaction_list, link) {
-		if (t->node_id == source && t->tlabel == tlabel) {
-			if (!try_cancel_split_timeout(t)) {
+	list_for_each_entry(iter, &card->transaction_list, link) {
+		if (iter->node_id == source && iter->tlabel == tlabel) {
+			if (!try_cancel_split_timeout(iter)) {
 				spin_unlock_irqrestore(&card->lock, flags);
 				goto timed_out;
 			}
-			list_del_init(&t->link);
-			card->tlabel_mask &= ~(1ULL << t->tlabel);
+			list_del_init(&iter->link);
+			card->tlabel_mask &= ~(1ULL << iter->tlabel);
+			t = iter;
 			break;
 		}
 	}
 	spin_unlock_irqrestore(&card->lock, flags);
 
-	if (&t->link == &card->transaction_list) {
+	if (!t) {
  timed_out:
 		fw_notice(card, "unsolicited response (source %x, tlabel %x)\n",
 			  source, tlabel);
diff --git a/drivers/firewire/sbp2.c b/drivers/firewire/sbp2.c
index 6bac03999fd4..d418a71faf0b 100644
--- a/drivers/firewire/sbp2.c
+++ b/drivers/firewire/sbp2.c
@@ -421,7 +421,7 @@ static void sbp2_status_write(struct fw_card *card, struct fw_request *request,
 			      void *payload, size_t length, void *callback_data)
 {
 	struct sbp2_logical_unit *lu = callback_data;
-	struct sbp2_orb *orb;
+	struct sbp2_orb *orb = NULL, *iter;
 	struct sbp2_status status;
 	unsigned long flags;
 
@@ -446,17 +446,18 @@ static void sbp2_status_write(struct fw_card *card, struct fw_request *request,
 
 	/* Lookup the orb corresponding to this status write. */
 	spin_lock_irqsave(&lu->tgt->lock, flags);
-	list_for_each_entry(orb, &lu->orb_list, link) {
+	list_for_each_entry(iter, &lu->orb_list, link) {
 		if (STATUS_GET_ORB_HIGH(status) == 0 &&
-		    STATUS_GET_ORB_LOW(status) == orb->request_bus) {
-			orb->rcode = RCODE_COMPLETE;
-			list_del(&orb->link);
+		    STATUS_GET_ORB_LOW(status) == iter->request_bus) {
+			iter->rcode = RCODE_COMPLETE;
+			list_del(&iter->link);
+			orb = iter;
 			break;
 		}
 	}
 	spin_unlock_irqrestore(&lu->tgt->lock, flags);
 
-	if (&orb->link != &lu->orb_list) {
+	if (orb) {
 		orb->callback(orb, &status);
 		kref_put(&orb->kref, free_orb); /* orb callback reference */
 	} else {
diff --git a/drivers/gpio/gpio-mvebu.c b/drivers/gpio/gpio-mvebu.c
index b14d481ab7db..cbad11029c67 100644
--- a/drivers/gpio/gpio-mvebu.c
+++ b/drivers/gpio/gpio-mvebu.c
@@ -694,6 +694,9 @@ static int mvebu_pwm_apply(struct pwm_chip *chip, struct pwm_device *pwm,
 	unsigned long flags;
 	unsigned int on, off;
 
+	if (state->polarity != PWM_POLARITY_NORMAL)
+		return -EINVAL;
+
 	val = (unsigned long long) mvpwm->clk_rate * state->duty_cycle;
 	do_div(val, NSEC_PER_SEC);
 	if (val > UINT_MAX)
diff --git a/drivers/gpio/gpio-vf610.c b/drivers/gpio/gpio-vf610.c
index 3210fba16a9b..91d6966c3d29 100644
--- a/drivers/gpio/gpio-vf610.c
+++ b/drivers/gpio/gpio-vf610.c
@@ -135,9 +135,13 @@ static int vf610_gpio_direction_output(struct gpio_chip *chip, unsigned gpio,
 {
 	struct vf610_gpio_port *port = gpiochip_get_data(chip);
 	unsigned long mask = BIT(gpio);
+	u32 val;
 
-	if (port->sdata && port->sdata->have_paddr)
-		vf610_gpio_writel(mask, port->gpio_base + GPIO_PDDR);
+	if (port->sdata && port->sdata->have_paddr) {
+		val = vf610_gpio_readl(port->gpio_base + GPIO_PDDR);
+		val |= mask;
+		vf610_gpio_writel(val, port->gpio_base + GPIO_PDDR);
+	}
 
 	vf610_gpio_set(chip, gpio, value);
 
diff --git a/drivers/gpu/drm/drm_dp_mst_topology.c b/drivers/gpu/drm/drm_dp_mst_topology.c
index be8501b3d577..e9868cd37b3c 100644
--- a/drivers/gpu/drm/drm_dp_mst_topology.c
+++ b/drivers/gpu/drm/drm_dp_mst_topology.c
@@ -3043,6 +3043,7 @@ static void fetch_monitor_name(struct drm_dp_mst_topology_mgr *mgr,
 
 	mst_edid = drm_dp_mst_get_edid(port->connector, mgr, port);
 	drm_edid_get_monitor_name(mst_edid, name, namelen);
+	kfree(mst_edid);
 }
 
 /**
diff --git a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_plane.c b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_plane.c
index 4b22ac3413a1..1f9e3c5ea47d 100644
--- a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_plane.c
+++ b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_plane.c
@@ -197,7 +197,10 @@ static void mdp5_plane_reset(struct drm_plane *plane)
 		drm_framebuffer_unreference(plane->state->fb);
 
 	kfree(to_mdp5_plane_state(plane->state));
+	plane->state = NULL;
 	mdp5_state = kzalloc(sizeof(*mdp5_state), GFP_KERNEL);
+	if (!mdp5_state)
+		return;
 
 	/* assign default blend parameters */
 	mdp5_state->alpha = 255;
diff --git a/drivers/gpu/drm/vgem/vgem_drv.c b/drivers/gpu/drm/vgem/vgem_drv.c
index 67037eb9a80e..a1f976270a89 100644
--- a/drivers/gpu/drm/vgem/vgem_drv.c
+++ b/drivers/gpu/drm/vgem/vgem_drv.c
@@ -190,9 +190,10 @@ static struct drm_gem_object *vgem_gem_create(struct drm_device *dev,
 		return ERR_CAST(obj);
 
 	ret = drm_gem_handle_create(file, &obj->base, handle);
-	drm_gem_object_put_unlocked(&obj->base);
-	if (ret)
+	if (ret) {
+		drm_gem_object_put_unlocked(&obj->base);
 		return ERR_PTR(ret);
+	}
 
 	return &obj->base;
 }
@@ -215,7 +216,9 @@ static int vgem_gem_dumb_create(struct drm_file *file, struct drm_device *dev,
 	args->size = gem_object->size;
 	args->pitch = pitch;
 
-	DRM_DEBUG_DRIVER("Created object of size %lld\n", size);
+	drm_gem_object_put_unlocked(gem_object);
+
+	DRM_DEBUG_DRIVER("Created object of size %llu\n", args->size);
 
 	return 0;
 }
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c b/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c
index 3ba9b6ad0281..4042062df409 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c
@@ -522,7 +522,7 @@ static int vmw_fb_kms_detach(struct vmw_fb_par *par,
 
 static int vmw_fb_kms_framebuffer(struct fb_info *info)
 {
-	struct drm_mode_fb_cmd2 mode_cmd;
+	struct drm_mode_fb_cmd2 mode_cmd = {0};
 	struct vmw_fb_par *par = info->par;
 	struct fb_var_screeninfo *var = &info->var;
 	struct drm_framebuffer *cur_fb;
diff --git a/drivers/hwmon/Kconfig b/drivers/hwmon/Kconfig
index d65431417b17..e02d7bfc4ae4 100644
--- a/drivers/hwmon/Kconfig
+++ b/drivers/hwmon/Kconfig
@@ -793,7 +793,7 @@ config SENSORS_LTC4261
 
 config SENSORS_LTQ_CPUTEMP
 	bool "Lantiq cpu temperature sensor driver"
-	depends on LANTIQ
+	depends on SOC_XWAY
 	help
 	  If you say yes here you get support for the temperature
 	  sensor inside your CPU.
diff --git a/drivers/hwmon/adt7470.c b/drivers/hwmon/adt7470.c
index 2cd920751441..6876e3817850 100644
--- a/drivers/hwmon/adt7470.c
+++ b/drivers/hwmon/adt7470.c
@@ -33,6 +33,7 @@
 #include <linux/kthread.h>
 #include <linux/slab.h>
 #include <linux/util_macros.h>
+#include <linux/sched.h>
 
 /* Addresses to scan */
 static const unsigned short normal_i2c[] = { 0x2C, 0x2E, 0x2F, I2C_CLIENT_END };
@@ -273,11 +274,10 @@ static int adt7470_update_thread(void *p)
 		adt7470_read_temperatures(client, data);
 		mutex_unlock(&data->lock);
 
-		set_current_state(TASK_INTERRUPTIBLE);
 		if (kthread_should_stop())
 			break;
 
-		schedule_timeout(msecs_to_jiffies(data->auto_update_interval));
+		schedule_timeout_interruptible(msecs_to_jiffies(data->auto_update_interval));
 	}
 
 	return 0;
diff --git a/drivers/hwmon/f71882fg.c b/drivers/hwmon/f71882fg.c
index ca54ce5c8e10..4010b61743f5 100644
--- a/drivers/hwmon/f71882fg.c
+++ b/drivers/hwmon/f71882fg.c
@@ -1590,8 +1590,9 @@ static ssize_t show_temp(struct device *dev, struct device_attribute *devattr,
 		temp *= 125;
 		if (sign)
 			temp -= 128000;
-	} else
-		temp = data->temp[nr] * 1000;
+	} else {
+		temp = ((s8)data->temp[nr]) * 1000;
+	}
 
 	return sprintf(buf, "%d\n", temp);
 }
diff --git a/drivers/iio/dac/ad5446.c b/drivers/iio/dac/ad5446.c
index d3a3d62869d8..86de972f41b1 100644
--- a/drivers/iio/dac/ad5446.c
+++ b/drivers/iio/dac/ad5446.c
@@ -171,7 +171,7 @@ static int ad5446_read_raw(struct iio_dev *indio_dev,
 
 	switch (m) {
 	case IIO_CHAN_INFO_RAW:
-		*val = st->cached_val;
+		*val = st->cached_val >> chan->scan_type.shift;
 		return IIO_VAL_INT;
 	case IIO_CHAN_INFO_SCALE:
 		*val = st->vref_mv;
diff --git a/drivers/iio/dac/ad5592r-base.c b/drivers/iio/dac/ad5592r-base.c
index 5c998ac8c840..126bb8349363 100644
--- a/drivers/iio/dac/ad5592r-base.c
+++ b/drivers/iio/dac/ad5592r-base.c
@@ -532,7 +532,7 @@ static int ad5592r_alloc_channels(struct ad5592r_state *st)
 		if (!ret)
 			st->channel_modes[reg] = tmp;
 
-		fwnode_property_read_u32(child, "adi,off-state", &tmp);
+		ret = fwnode_property_read_u32(child, "adi,off-state", &tmp);
 		if (!ret)
 			st->channel_offstate[reg] = tmp;
 	}
diff --git a/drivers/iio/magnetometer/ak8975.c b/drivers/iio/magnetometer/ak8975.c
index b08bd9929569..4b0f0a0801a3 100644
--- a/drivers/iio/magnetometer/ak8975.c
+++ b/drivers/iio/magnetometer/ak8975.c
@@ -404,6 +404,7 @@ static int ak8975_power_on(const struct ak8975_data *data)
 	if (ret) {
 		dev_warn(&data->client->dev,
 			 "Failed to enable specified Vid supply\n");
+		regulator_disable(data->vdd);
 		return ret;
 	}
 	/*
diff --git a/drivers/input/input.c b/drivers/input/input.c
index 44bd113ecdc9..ceee66f34ed3 100644
--- a/drivers/input/input.c
+++ b/drivers/input/input.c
@@ -50,6 +50,17 @@ static DEFINE_MUTEX(input_mutex);
 
 static const struct input_value input_value_sync = { EV_SYN, SYN_REPORT, 1 };
 
+static const unsigned int input_max_code[EV_CNT] = {
+	[EV_KEY] = KEY_MAX,
+	[EV_REL] = REL_MAX,
+	[EV_ABS] = ABS_MAX,
+	[EV_MSC] = MSC_MAX,
+	[EV_SW] = SW_MAX,
+	[EV_LED] = LED_MAX,
+	[EV_SND] = SND_MAX,
+	[EV_FF] = FF_MAX,
+};
+
 static inline int is_event_supported(unsigned int code,
 				     unsigned long *bm, unsigned int max)
 {
@@ -1963,6 +1974,14 @@ EXPORT_SYMBOL(input_get_timestamp);
  */
 void input_set_capability(struct input_dev *dev, unsigned int type, unsigned int code)
 {
+	if (type < EV_CNT && input_max_code[type] &&
+	    code > input_max_code[type]) {
+		pr_err("%s: invalid code %u for type %u\n", __func__, code,
+		       type);
+		dump_stack();
+		return;
+	}
+
 	switch (type) {
 	case EV_KEY:
 		__set_bit(code, dev->keybit);
diff --git a/drivers/input/touchscreen/stmfts.c b/drivers/input/touchscreen/stmfts.c
index d9e93dabbca2..9007027a7ad9 100644
--- a/drivers/input/touchscreen/stmfts.c
+++ b/drivers/input/touchscreen/stmfts.c
@@ -344,11 +344,11 @@ static int stmfts_input_open(struct input_dev *dev)
 
 	err = pm_runtime_get_sync(&sdata->client->dev);
 	if (err < 0)
-		return err;
+		goto out;
 
 	err = i2c_smbus_write_byte(sdata->client, STMFTS_MS_MT_SENSE_ON);
 	if (err)
-		return err;
+		goto out;
 
 	mutex_lock(&sdata->mutex);
 	sdata->running = true;
@@ -371,7 +371,9 @@ static int stmfts_input_open(struct input_dev *dev)
 				 "failed to enable touchkey\n");
 	}
 
-	return 0;
+out:
+	pm_runtime_put_noidle(&sdata->client->dev);
+	return err;
 }
 
 static void stmfts_input_close(struct input_dev *dev)
diff --git a/drivers/lightnvm/Kconfig b/drivers/lightnvm/Kconfig
index ead61a93cb4e..d8473d408b17 100644
--- a/drivers/lightnvm/Kconfig
+++ b/drivers/lightnvm/Kconfig
@@ -4,7 +4,7 @@
 
 menuconfig NVM
 	bool "Open-Channel SSD target support"
-	depends on BLOCK && HAS_DMA
+	depends on BLOCK && HAS_DMA && BROKEN
 	help
 	  Say Y here to get to enable Open-channel SSDs.
 
diff --git a/drivers/md/dm.c b/drivers/md/dm.c
index 0e06432c958f..94018613b43b 100644
--- a/drivers/md/dm.c
+++ b/drivers/md/dm.c
@@ -528,20 +528,19 @@ static void start_io_acct(struct dm_io *io)
 				    false, 0, &io->stats_aux);
 }
 
-static void end_io_acct(struct dm_io *io)
+static void end_io_acct(struct mapped_device *md, struct bio *bio,
+			unsigned long start_time, struct dm_stats_aux *stats_aux)
 {
-	struct mapped_device *md = io->md;
-	struct bio *bio = io->bio;
-	unsigned long duration = jiffies - io->start_time;
+	unsigned long duration = jiffies - start_time;
 	int pending;
 	int rw = bio_data_dir(bio);
 
-	generic_end_io_acct(md->queue, rw, &dm_disk(md)->part0, io->start_time);
+	generic_end_io_acct(md->queue, rw, &dm_disk(md)->part0, start_time);
 
 	if (unlikely(dm_stats_used(&md->stats)))
 		dm_stats_account_io(&md->stats, bio_data_dir(bio),
 				    bio->bi_iter.bi_sector, bio_sectors(bio),
-				    true, duration, &io->stats_aux);
+				    true, duration, stats_aux);
 
 	/*
 	 * After this is decremented the bio must not be touched if it is
@@ -775,6 +774,8 @@ static void dec_pending(struct dm_io *io, blk_status_t error)
 	blk_status_t io_error;
 	struct bio *bio;
 	struct mapped_device *md = io->md;
+	unsigned long start_time = 0;
+	struct dm_stats_aux stats_aux;
 
 	/* Push-back supersedes any I/O errors */
 	if (unlikely(error)) {
@@ -801,8 +802,10 @@ static void dec_pending(struct dm_io *io, blk_status_t error)
 
 		io_error = io->status;
 		bio = io->bio;
-		end_io_acct(io);
+		start_time = io->start_time;
+		stats_aux = io->stats_aux;
 		free_io(md, io);
+		end_io_acct(md, bio, start_time, &stats_aux);
 
 		if (io_error == BLK_STS_DM_REQUEUE)
 			return;
@@ -2227,6 +2230,8 @@ static int dm_wait_for_completion(struct mapped_device *md, long task_state)
 	}
 	finish_wait(&md->wait, &wait);
 
+	smp_rmb(); /* paired with atomic_dec_return in end_io_acct */
+
 	return r;
 }
 
diff --git a/drivers/mmc/core/block.c b/drivers/mmc/core/block.c
index e781be024d09..5a7eaffd3a17 100644
--- a/drivers/mmc/core/block.c
+++ b/drivers/mmc/core/block.c
@@ -1813,7 +1813,7 @@ static void mmc_blk_issue_discard_rq(struct mmc_queue *mq, struct request *req)
 					 arg == MMC_TRIM_ARG ?
 					 INAND_CMD38_ARG_TRIM :
 					 INAND_CMD38_ARG_ERASE,
-					 0);
+					 card->ext_csd.generic_cmd6_time);
 		}
 		if (!err)
 			err = mmc_erase(card, from, nr, arg);
@@ -1855,7 +1855,7 @@ retry:
 				 arg == MMC_SECURE_TRIM1_ARG ?
 				 INAND_CMD38_ARG_SECTRIM1 :
 				 INAND_CMD38_ARG_SECERASE,
-				 0);
+				 card->ext_csd.generic_cmd6_time);
 		if (err)
 			goto out_retry;
 	}
@@ -1873,7 +1873,7 @@ retry:
 			err = mmc_switch(card, EXT_CSD_CMD_SET_NORMAL,
 					 INAND_CMD38_ARG_EXT_CSD,
 					 INAND_CMD38_ARG_SECTRIM2,
-					 0);
+					 card->ext_csd.generic_cmd6_time);
 			if (err)
 				goto out_retry;
 		}
diff --git a/drivers/mmc/core/mmc_ops.c b/drivers/mmc/core/mmc_ops.c
index 40929a430176..ac84cc7f749d 100644
--- a/drivers/mmc/core/mmc_ops.c
+++ b/drivers/mmc/core/mmc_ops.c
@@ -23,7 +23,9 @@
 #include "host.h"
 #include "mmc_ops.h"
 
-#define MMC_OPS_TIMEOUT_MS	(10 * 60 * 1000) /* 10 minute timeout */
+#define MMC_OPS_TIMEOUT_MS		(10 * 60 * 1000) /* 10min*/
+#define MMC_BKOPS_TIMEOUT_MS		(120 * 1000) /* 120s */
+#define MMC_CACHE_FLUSH_TIMEOUT_MS	(30 * 1000) /* 30s */
 
 static const u8 tuning_blk_pattern_4bit[] = {
 	0xff, 0x0f, 0xff, 0x00, 0xff, 0xcc, 0xc3, 0xcc,
@@ -465,10 +467,6 @@ static int mmc_poll_for_busy(struct mmc_card *card, unsigned int timeout_ms,
 	bool busy = false;
 	int retries = 5;
 
-	/* We have an unspecified cmd timeout, use the fallback value. */
-	if (!timeout_ms)
-		timeout_ms = MMC_OPS_TIMEOUT_MS;
-
 	/*
 	 * In cases when not allowed to poll by using CMD13 or because we aren't
 	 * capable of polling by using ->card_busy(), then rely on waiting the
@@ -587,14 +585,20 @@ int __mmc_switch(struct mmc_card *card, u8 set, u8 index, u8 value,
 
 	mmc_retune_hold(host);
 
+	if (!timeout_ms) {
+		pr_warn("%s: unspecified timeout for CMD6 - use generic\n",
+			mmc_hostname(host));
+		timeout_ms = card->ext_csd.generic_cmd6_time;
+	}
+
 	/*
 	 * If the cmd timeout and the max_busy_timeout of the host are both
 	 * specified, let's validate them. A failure means we need to prevent
 	 * the host from doing hw busy detection, which is done by converting
 	 * to a R1 response instead of a R1B.
 	 */
-	if (timeout_ms && host->max_busy_timeout &&
-		(timeout_ms > host->max_busy_timeout))
+	if (host->max_busy_timeout &&
+	    (timeout_ms > host->max_busy_timeout))
 		use_r1b_resp = false;
 
 	mmc_prepare_switch(&cmd, index, value, set, timeout_ms,
@@ -1061,7 +1065,7 @@ void mmc_start_bkops(struct mmc_card *card, bool from_exception)
 
 	mmc_claim_host(card->host);
 	if (card->ext_csd.raw_bkops_status >= EXT_CSD_BKOPS_LEVEL_2) {
-		timeout = MMC_OPS_TIMEOUT_MS;
+		timeout = MMC_BKOPS_TIMEOUT_MS;
 		use_busy_signal = true;
 	} else {
 		timeout = 0;
@@ -1105,7 +1109,8 @@ int mmc_flush_cache(struct mmc_card *card)
 			(card->ext_csd.cache_ctrl & 1) &&
 			(!(card->quirks & MMC_QUIRK_CACHE_DISABLE))) {
 		err = mmc_switch(card, EXT_CSD_CMD_SET_NORMAL,
-				EXT_CSD_FLUSH_CACHE, 1, 0);
+				EXT_CSD_FLUSH_CACHE, 1,
+				MMC_CACHE_FLUSH_TIMEOUT_MS);
 		if (err == -ETIMEDOUT) {
 			pr_err("%s: cache flush timeout\n",
 					mmc_hostname(card->host));
diff --git a/drivers/mmc/host/rtsx_pci_sdmmc.c b/drivers/mmc/host/rtsx_pci_sdmmc.c
index 9de6a32f0c9f..0b1d4f2b5862 100644
--- a/drivers/mmc/host/rtsx_pci_sdmmc.c
+++ b/drivers/mmc/host/rtsx_pci_sdmmc.c
@@ -49,10 +49,7 @@ struct realtek_pci_sdmmc {
 	bool			double_clk;
 	bool			eject;
 	bool			initial_mode;
-	int			power_state;
-#define SDMMC_POWER_ON		1
-#define SDMMC_POWER_OFF		0
-
+	int			prev_power_state;
 	int			sg_count;
 	s32			cookie;
 	int			cookie_sg_count;
@@ -913,14 +910,21 @@ static int sd_set_bus_width(struct realtek_pci_sdmmc *host,
 	return err;
 }
 
-static int sd_power_on(struct realtek_pci_sdmmc *host)
+static int sd_power_on(struct realtek_pci_sdmmc *host, unsigned char power_mode)
 {
 	struct rtsx_pcr *pcr = host->pcr;
 	int err;
 
-	if (host->power_state == SDMMC_POWER_ON)
+	if (host->prev_power_state == MMC_POWER_ON)
 		return 0;
 
+	if (host->prev_power_state == MMC_POWER_UP) {
+		rtsx_pci_write_register(pcr, SD_BUS_STAT, SD_CLK_TOGGLE_EN, 0);
+		goto finish;
+	}
+
+	msleep(100);
+
 	rtsx_pci_init_cmd(pcr);
 	rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, CARD_SELECT, 0x07, SD_MOD_SEL);
 	rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, CARD_SHARE_MODE,
@@ -939,11 +943,17 @@ static int sd_power_on(struct realtek_pci_sdmmc *host)
 	if (err < 0)
 		return err;
 
+	mdelay(1);
+
 	err = rtsx_pci_write_register(pcr, CARD_OE, SD_OUTPUT_EN, SD_OUTPUT_EN);
 	if (err < 0)
 		return err;
 
-	host->power_state = SDMMC_POWER_ON;
+	/* send at least 74 clocks */
+	rtsx_pci_write_register(pcr, SD_BUS_STAT, SD_CLK_TOGGLE_EN, SD_CLK_TOGGLE_EN);
+
+finish:
+	host->prev_power_state = power_mode;
 	return 0;
 }
 
@@ -952,7 +962,7 @@ static int sd_power_off(struct realtek_pci_sdmmc *host)
 	struct rtsx_pcr *pcr = host->pcr;
 	int err;
 
-	host->power_state = SDMMC_POWER_OFF;
+	host->prev_power_state = MMC_POWER_OFF;
 
 	rtsx_pci_init_cmd(pcr);
 
@@ -978,7 +988,7 @@ static int sd_set_power_mode(struct realtek_pci_sdmmc *host,
 	if (power_mode == MMC_POWER_OFF)
 		err = sd_power_off(host);
 	else
-		err = sd_power_on(host);
+		err = sd_power_on(host, power_mode);
 
 	return err;
 }
@@ -1416,7 +1426,7 @@ static int rtsx_pci_sdmmc_drv_probe(struct platform_device *pdev)
 	host->mmc = mmc;
 	host->pdev = pdev;
 	host->cookie = -1;
-	host->power_state = SDMMC_POWER_OFF;
+	host->prev_power_state = MMC_POWER_OFF;
 	INIT_WORK(&host->work, sd_request);
 	platform_set_drvdata(pdev, host);
 	pcr->slots[RTSX_SD_CARD].p_dev = pdev;
diff --git a/drivers/mtd/nand/sh_flctl.c b/drivers/mtd/nand/sh_flctl.c
index f2ed03ee3035..eac65aff5401 100644
--- a/drivers/mtd/nand/sh_flctl.c
+++ b/drivers/mtd/nand/sh_flctl.c
@@ -399,7 +399,8 @@ static int flctl_dma_fifo0_transfer(struct sh_flctl *flctl, unsigned long *buf,
 	dma_addr_t dma_addr;
 	dma_cookie_t cookie;
 	uint32_t reg;
-	int ret;
+	int ret = 0;
+	unsigned long time_left;
 
 	if (dir == DMA_FROM_DEVICE) {
 		chan = flctl->chan_fifo0_rx;
@@ -440,13 +441,14 @@ static int flctl_dma_fifo0_transfer(struct sh_flctl *flctl, unsigned long *buf,
 		goto out;
 	}
 
-	ret =
+	time_left =
 	wait_for_completion_timeout(&flctl->dma_complete,
 				msecs_to_jiffies(3000));
 
-	if (ret <= 0) {
+	if (time_left == 0) {
 		dmaengine_terminate_all(chan);
 		dev_err(&flctl->pdev->dev, "wait_for_completion_timeout\n");
+		ret = -ETIMEDOUT;
 	}
 
 out:
@@ -456,7 +458,7 @@ out:
 
 	dma_unmap_single(chan->device->dev, dma_addr, len, dir);
 
-	/* ret > 0 is success */
+	/* ret == 0 is success */
 	return ret;
 }
 
@@ -480,7 +482,7 @@ static void read_fiforeg(struct sh_flctl *flctl, int rlen, int offset)
 
 	/* initiate DMA transfer */
 	if (flctl->chan_fifo0_rx && rlen >= 32 &&
-		flctl_dma_fifo0_transfer(flctl, buf, rlen, DMA_FROM_DEVICE) > 0)
+		!flctl_dma_fifo0_transfer(flctl, buf, rlen, DMA_FROM_DEVICE))
 			goto convert;	/* DMA success */
 
 	/* do polling transfer */
@@ -539,7 +541,7 @@ static void write_ec_fiforeg(struct sh_flctl *flctl, int rlen,
 
 	/* initiate DMA transfer */
 	if (flctl->chan_fifo0_tx && rlen >= 32 &&
-		flctl_dma_fifo0_transfer(flctl, buf, rlen, DMA_TO_DEVICE) > 0)
+		!flctl_dma_fifo0_transfer(flctl, buf, rlen, DMA_TO_DEVICE))
 			return;	/* DMA success */
 
 	/* do polling transfer */
diff --git a/drivers/net/can/grcan.c b/drivers/net/can/grcan.c
index a7be12d9a139..4eb196d7f4a6 100644
--- a/drivers/net/can/grcan.c
+++ b/drivers/net/can/grcan.c
@@ -245,13 +245,14 @@ struct grcan_device_config {
 		.rxsize		= GRCAN_DEFAULT_BUFFER_SIZE,	\
 		}
 
-#define GRCAN_TXBUG_SAFE_GRLIB_VERSION	0x4100
+#define GRCAN_TXBUG_SAFE_GRLIB_VERSION	4100
 #define GRLIB_VERSION_MASK		0xffff
 
 /* GRCAN private data structure */
 struct grcan_priv {
 	struct can_priv can;	/* must be the first member */
 	struct net_device *dev;
+	struct device *ofdev_dev;
 	struct napi_struct napi;
 
 	struct grcan_registers __iomem *regs;	/* ioremap'ed registers */
@@ -928,7 +929,7 @@ static void grcan_free_dma_buffers(struct net_device *dev)
 	struct grcan_priv *priv = netdev_priv(dev);
 	struct grcan_dma *dma = &priv->dma;
 
-	dma_free_coherent(&dev->dev, dma->base_size, dma->base_buf,
+	dma_free_coherent(priv->ofdev_dev, dma->base_size, dma->base_buf,
 			  dma->base_handle);
 	memset(dma, 0, sizeof(*dma));
 }
@@ -953,7 +954,7 @@ static int grcan_allocate_dma_buffers(struct net_device *dev,
 
 	/* Extra GRCAN_BUFFER_ALIGNMENT to allow for alignment */
 	dma->base_size = lsize + ssize + GRCAN_BUFFER_ALIGNMENT;
-	dma->base_buf = dma_alloc_coherent(&dev->dev,
+	dma->base_buf = dma_alloc_coherent(priv->ofdev_dev,
 					   dma->base_size,
 					   &dma->base_handle,
 					   GFP_KERNEL);
@@ -1117,8 +1118,10 @@ static int grcan_close(struct net_device *dev)
 
 	priv->closing = true;
 	if (priv->need_txbug_workaround) {
+		spin_unlock_irqrestore(&priv->lock, flags);
 		del_timer_sync(&priv->hang_timer);
 		del_timer_sync(&priv->rr_timer);
+		spin_lock_irqsave(&priv->lock, flags);
 	}
 	netif_stop_queue(dev);
 	grcan_stop_hardware(dev);
@@ -1138,7 +1141,7 @@ static int grcan_close(struct net_device *dev)
 	return 0;
 }
 
-static int grcan_transmit_catch_up(struct net_device *dev, int budget)
+static void grcan_transmit_catch_up(struct net_device *dev)
 {
 	struct grcan_priv *priv = netdev_priv(dev);
 	unsigned long flags;
@@ -1146,7 +1149,7 @@ static int grcan_transmit_catch_up(struct net_device *dev, int budget)
 
 	spin_lock_irqsave(&priv->lock, flags);
 
-	work_done = catch_up_echo_skb(dev, budget, true);
+	work_done = catch_up_echo_skb(dev, -1, true);
 	if (work_done) {
 		if (!priv->resetting && !priv->closing &&
 		    !(priv->can.ctrlmode & CAN_CTRLMODE_LISTENONLY))
@@ -1160,8 +1163,6 @@ static int grcan_transmit_catch_up(struct net_device *dev, int budget)
 	}
 
 	spin_unlock_irqrestore(&priv->lock, flags);
-
-	return work_done;
 }
 
 static int grcan_receive(struct net_device *dev, int budget)
@@ -1243,19 +1244,13 @@ static int grcan_poll(struct napi_struct *napi, int budget)
 	struct net_device *dev = priv->dev;
 	struct grcan_registers __iomem *regs = priv->regs;
 	unsigned long flags;
-	int tx_work_done, rx_work_done;
-	int rx_budget = budget / 2;
-	int tx_budget = budget - rx_budget;
+	int work_done;
 
-	/* Half of the budget for receiveing messages */
-	rx_work_done = grcan_receive(dev, rx_budget);
+	work_done = grcan_receive(dev, budget);
 
-	/* Half of the budget for transmitting messages as that can trigger echo
-	 * frames being received
-	 */
-	tx_work_done = grcan_transmit_catch_up(dev, tx_budget);
+	grcan_transmit_catch_up(dev);
 
-	if (rx_work_done < rx_budget && tx_work_done < tx_budget) {
+	if (work_done < budget) {
 		napi_complete(napi);
 
 		/* Guarantee no interference with a running reset that otherwise
@@ -1272,7 +1267,7 @@ static int grcan_poll(struct napi_struct *napi, int budget)
 		spin_unlock_irqrestore(&priv->lock, flags);
 	}
 
-	return rx_work_done + tx_work_done;
+	return work_done;
 }
 
 /* Work tx bug by waiting while for the risky situation to clear. If that fails,
@@ -1604,6 +1599,7 @@ static int grcan_setup_netdev(struct platform_device *ofdev,
 	memcpy(&priv->config, &grcan_module_config,
 	       sizeof(struct grcan_device_config));
 	priv->dev = dev;
+	priv->ofdev_dev = &ofdev->dev;
 	priv->regs = base;
 	priv->can.bittiming_const = &grcan_bittiming_const;
 	priv->can.do_set_bittiming = grcan_set_bittiming;
@@ -1661,6 +1657,7 @@ exit_free_candev:
 static int grcan_probe(struct platform_device *ofdev)
 {
 	struct device_node *np = ofdev->dev.of_node;
+	struct device_node *sysid_parent;
 	struct resource *res;
 	u32 sysid, ambafreq;
 	int irq, err;
@@ -1670,10 +1667,15 @@ static int grcan_probe(struct platform_device *ofdev)
 	/* Compare GRLIB version number with the first that does not
 	 * have the tx bug (see start_xmit)
 	 */
-	err = of_property_read_u32(np, "systemid", &sysid);
-	if (!err && ((sysid & GRLIB_VERSION_MASK)
-		     >= GRCAN_TXBUG_SAFE_GRLIB_VERSION))
-		txbug = false;
+	sysid_parent = of_find_node_by_path("/ambapp0");
+	if (sysid_parent) {
+		of_node_get(sysid_parent);
+		err = of_property_read_u32(sysid_parent, "systemid", &sysid);
+		if (!err && ((sysid & GRLIB_VERSION_MASK) >=
+			     GRCAN_TXBUG_SAFE_GRLIB_VERSION))
+			txbug = false;
+		of_node_put(sysid_parent);
+	}
 
 	err = of_property_read_u32(np, "freq", &ambafreq);
 	if (err) {
diff --git a/drivers/net/can/usb/usb_8dev.c b/drivers/net/can/usb/usb_8dev.c
index df99354ec12a..232f45f722f0 100644
--- a/drivers/net/can/usb/usb_8dev.c
+++ b/drivers/net/can/usb/usb_8dev.c
@@ -681,9 +681,20 @@ static netdev_tx_t usb_8dev_start_xmit(struct sk_buff *skb,
 	atomic_inc(&priv->active_tx_urbs);
 
 	err = usb_submit_urb(urb, GFP_ATOMIC);
-	if (unlikely(err))
-		goto failed;
-	else if (atomic_read(&priv->active_tx_urbs) >= MAX_TX_URBS)
+	if (unlikely(err)) {
+		can_free_echo_skb(netdev, context->echo_index);
+
+		usb_unanchor_urb(urb);
+		usb_free_coherent(priv->udev, size, buf, urb->transfer_dma);
+
+		atomic_dec(&priv->active_tx_urbs);
+
+		if (err == -ENODEV)
+			netif_device_detach(netdev);
+		else
+			netdev_warn(netdev, "failed tx_urb %d\n", err);
+		stats->tx_dropped++;
+	} else if (atomic_read(&priv->active_tx_urbs) >= MAX_TX_URBS)
 		/* Slow down tx path */
 		netif_stop_queue(netdev);
 
@@ -702,19 +713,6 @@ nofreecontext:
 
 	return NETDEV_TX_BUSY;
 
-failed:
-	can_free_echo_skb(netdev, context->echo_index);
-
-	usb_unanchor_urb(urb);
-	usb_free_coherent(priv->udev, size, buf, urb->transfer_dma);
-
-	atomic_dec(&priv->active_tx_urbs);
-
-	if (err == -ENODEV)
-		netif_device_detach(netdev);
-	else
-		netdev_warn(netdev, "failed tx_urb %d\n", err);
-
 nomembuf:
 	usb_free_urb(urb);
 
diff --git a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.c b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.c
index 1c1bb074f664..066abf9dc91e 100644
--- a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.c
+++ b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.c
@@ -625,6 +625,13 @@ static int hw_atl_b0_hw_ring_tx_head_update(struct aq_hw_s *self,
 		err = -ENXIO;
 		goto err_exit;
 	}
+
+	/* Validate that the new hw_head_ is reasonable. */
+	if (hw_head_ >= ring->size) {
+		err = -ENXIO;
+		goto err_exit;
+	}
+
 	ring->hw_head = hw_head_;
 	err = aq_hw_err_from_flags(self);
 
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
index b0ada7eac652..7925c40c0062 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
@@ -14317,10 +14317,6 @@ static int bnx2x_eeh_nic_unload(struct bnx2x *bp)
 
 	/* Stop Tx */
 	bnx2x_tx_disable(bp);
-	/* Delete all NAPI objects */
-	bnx2x_del_all_napi(bp);
-	if (CNIC_LOADED(bp))
-		bnx2x_del_all_napi_cnic(bp);
 	netdev_reset_tc(bp->dev);
 
 	del_timer_sync(&bp->timer);
@@ -14425,6 +14421,11 @@ static pci_ers_result_t bnx2x_io_slot_reset(struct pci_dev *pdev)
 		bnx2x_drain_tx_queues(bp);
 		bnx2x_send_unload_req(bp, UNLOAD_RECOVERY);
 		bnx2x_netif_stop(bp, 1);
+		bnx2x_del_all_napi(bp);
+
+		if (CNIC_LOADED(bp))
+			bnx2x_del_all_napi_cnic(bp);
+
 		bnx2x_free_irq(bp);
 
 		/* Report UNLOAD_DONE to MCP */
diff --git a/drivers/net/ethernet/broadcom/genet/bcmgenet.c b/drivers/net/ethernet/broadcom/genet/bcmgenet.c
index b819a9bde6cc..9bb398d05837 100644
--- a/drivers/net/ethernet/broadcom/genet/bcmgenet.c
+++ b/drivers/net/ethernet/broadcom/genet/bcmgenet.c
@@ -1522,6 +1522,11 @@ static struct sk_buff *bcmgenet_put_tx_csum(struct net_device *dev,
 	return skb;
 }
 
+static void bcmgenet_hide_tsb(struct sk_buff *skb)
+{
+	__skb_pull(skb, sizeof(struct status_64));
+}
+
 static netdev_tx_t bcmgenet_xmit(struct sk_buff *skb, struct net_device *dev)
 {
 	struct bcmgenet_priv *priv = netdev_priv(dev);
@@ -1632,6 +1637,8 @@ static netdev_tx_t bcmgenet_xmit(struct sk_buff *skb, struct net_device *dev)
 	}
 
 	GENET_CB(skb)->last_cb = tx_cb_ptr;
+
+	bcmgenet_hide_tsb(skb);
 	skb_tx_timestamp(skb);
 
 	/* Decrement total BD count and advance our write pointer */
diff --git a/drivers/net/ethernet/cadence/macb_main.c b/drivers/net/ethernet/cadence/macb_main.c
index 045ab0ec5ca2..456d84cbcc6b 100644
--- a/drivers/net/ethernet/cadence/macb_main.c
+++ b/drivers/net/ethernet/cadence/macb_main.c
@@ -1265,6 +1265,7 @@ static void macb_tx_restart(struct macb_queue *queue)
 	unsigned int head = queue->tx_head;
 	unsigned int tail = queue->tx_tail;
 	struct macb *bp = queue->bp;
+	unsigned int head_idx, tbqp;
 
 	if (bp->caps & MACB_CAPS_ISR_CLEAR_ON_WRITE)
 		queue_writel(queue, ISR, MACB_BIT(TXUBR));
@@ -1272,6 +1273,13 @@ static void macb_tx_restart(struct macb_queue *queue)
 	if (head == tail)
 		return;
 
+	tbqp = queue_readl(queue, TBQP) / macb_dma_desc_get_size(bp);
+	tbqp = macb_adj_dma_desc_idx(bp, macb_tx_ring_wrap(bp, tbqp));
+	head_idx = macb_adj_dma_desc_idx(bp, macb_tx_ring_wrap(bp, head));
+
+	if (tbqp == head_idx)
+		return;
+
 	macb_writel(bp, NCR, macb_readl(bp, NCR) | MACB_BIT(TSTART));
 }
 
diff --git a/drivers/net/ethernet/dec/tulip/tulip_core.c b/drivers/net/ethernet/dec/tulip/tulip_core.c
index 851b6d1f5a42..35bcb2c52dbc 100644
--- a/drivers/net/ethernet/dec/tulip/tulip_core.c
+++ b/drivers/net/ethernet/dec/tulip/tulip_core.c
@@ -1410,8 +1410,10 @@ static int tulip_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
 
 	/* alloc_etherdev ensures aligned and zeroed private structures */
 	dev = alloc_etherdev (sizeof (*tp));
-	if (!dev)
+	if (!dev) {
+		pci_disable_device(pdev);
 		return -ENOMEM;
+	}
 
 	SET_NETDEV_DEV(dev, &pdev->dev);
 	if (pci_resource_len (pdev, 0) < tulip_tbl[chip_idx].io_size) {
@@ -1789,6 +1791,7 @@ err_out_free_res:
 
 err_out_free_netdev:
 	free_netdev (dev);
+	pci_disable_device(pdev);
 	return -ENODEV;
 }
 
diff --git a/drivers/net/ethernet/intel/e1000e/ich8lan.c b/drivers/net/ethernet/intel/e1000e/ich8lan.c
index 9d5fe4ea9cee..60f0d2053a0a 100644
--- a/drivers/net/ethernet/intel/e1000e/ich8lan.c
+++ b/drivers/net/ethernet/intel/e1000e/ich8lan.c
@@ -1013,8 +1013,8 @@ static s32 e1000_platform_pm_pch_lpt(struct e1000_hw *hw, bool link)
 {
 	u32 reg = link << (E1000_LTRV_REQ_SHIFT + E1000_LTRV_NOSNOOP_SHIFT) |
 	    link << E1000_LTRV_REQ_SHIFT | E1000_LTRV_SEND;
-	u16 max_ltr_enc_d = 0;	/* maximum LTR decoded by platform */
-	u16 lat_enc_d = 0;	/* latency decoded */
+	u32 max_ltr_enc_d = 0;	/* maximum LTR decoded by platform */
+	u32 lat_enc_d = 0;	/* latency decoded */
 	u16 lat_enc = 0;	/* latency encoded */
 
 	if (link) {
diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c
index 6bd30d51dafc..618063d21f96 100644
--- a/drivers/net/ethernet/intel/igb/igb_main.c
+++ b/drivers/net/ethernet/intel/igb/igb_main.c
@@ -4622,7 +4622,8 @@ static void igb_watchdog_task(struct work_struct *work)
 				break;
 			}
 
-			if (adapter->link_speed != SPEED_1000)
+			if (adapter->link_speed != SPEED_1000 ||
+			    !hw->phy.ops.read_reg)
 				goto no_wait;
 
 			/* wait for Remote receiver status OK */
diff --git a/drivers/net/ethernet/micrel/Kconfig b/drivers/net/ethernet/micrel/Kconfig
index aa12bace8673..b7e2f49696b7 100644
--- a/drivers/net/ethernet/micrel/Kconfig
+++ b/drivers/net/ethernet/micrel/Kconfig
@@ -45,7 +45,6 @@ config KS8851
 config KS8851_MLL
 	tristate "Micrel KS8851 MLL"
 	depends on HAS_IOMEM
-	depends on PTP_1588_CLOCK_OPTIONAL
 	select MII
 	---help---
 	  This platform driver is for Micrel KS8851 Address/data bus
diff --git a/drivers/net/ethernet/qlogic/qla3xxx.c b/drivers/net/ethernet/qlogic/qla3xxx.c
index ecd345ca160f..9d384fb3b746 100644
--- a/drivers/net/ethernet/qlogic/qla3xxx.c
+++ b/drivers/net/ethernet/qlogic/qla3xxx.c
@@ -3629,7 +3629,8 @@ static void ql_reset_work(struct work_struct *work)
 		qdev->mem_map_registers;
 	unsigned long hw_flags;
 
-	if (test_bit((QL_RESET_PER_SCSI | QL_RESET_START), &qdev->flags)) {
+	if (test_bit(QL_RESET_PER_SCSI, &qdev->flags) ||
+	    test_bit(QL_RESET_START, &qdev->flags)) {
 		clear_bit(QL_LINK_MASTER, &qdev->flags);
 
 		/*
diff --git a/drivers/net/ethernet/sfc/ef10.c b/drivers/net/ethernet/sfc/ef10.c
index 2d92a9fe4606..4f0da3963b01 100644
--- a/drivers/net/ethernet/sfc/ef10.c
+++ b/drivers/net/ethernet/sfc/ef10.c
@@ -5956,6 +5956,11 @@ static int efx_ef10_mtd_probe(struct efx_nic *efx)
 		n_parts++;
 	}
 
+	if (!n_parts) {
+		kfree(parts);
+		return 0;
+	}
+
 	rc = efx_mtd_add(efx, &parts[0].common, n_parts, sizeof(*parts));
 fail:
 	if (rc)
diff --git a/drivers/net/ethernet/smsc/smsc911x.c b/drivers/net/ethernet/smsc/smsc911x.c
index ae80a223975d..f977fc59dc5c 100644
--- a/drivers/net/ethernet/smsc/smsc911x.c
+++ b/drivers/net/ethernet/smsc/smsc911x.c
@@ -2446,7 +2446,7 @@ static int smsc911x_drv_probe(struct platform_device *pdev)
 	if (irq == -EPROBE_DEFER) {
 		retval = -EPROBE_DEFER;
 		goto out_0;
-	} else if (irq <= 0) {
+	} else if (irq < 0) {
 		pr_warn("Could not allocate irq resource\n");
 		retval = -ENODEV;
 		goto out_0;
diff --git a/drivers/net/ethernet/stmicro/stmmac/altr_tse_pcs.c b/drivers/net/ethernet/stmicro/stmmac/altr_tse_pcs.c
index 6ca428a702f1..6a9c954492f2 100644
--- a/drivers/net/ethernet/stmicro/stmmac/altr_tse_pcs.c
+++ b/drivers/net/ethernet/stmicro/stmmac/altr_tse_pcs.c
@@ -68,6 +68,10 @@
 #define TSE_PCS_USE_SGMII_ENA				BIT(0)
 #define TSE_PCS_IF_USE_SGMII				0x03
 
+#define SGMII_ADAPTER_CTRL_REG				0x00
+#define SGMII_ADAPTER_DISABLE				0x0001
+#define SGMII_ADAPTER_ENABLE				0x0000
+
 #define AUTONEGO_LINK_TIMER				20
 
 static int tse_pcs_reset(void __iomem *base, struct tse_pcs *pcs)
@@ -211,8 +215,12 @@ void tse_pcs_fix_mac_speed(struct tse_pcs *pcs, struct phy_device *phy_dev,
 			   unsigned int speed)
 {
 	void __iomem *tse_pcs_base = pcs->tse_pcs_base;
+	void __iomem *sgmii_adapter_base = pcs->sgmii_adapter_base;
 	u32 val;
 
+	writew(SGMII_ADAPTER_ENABLE,
+	       sgmii_adapter_base + SGMII_ADAPTER_CTRL_REG);
+
 	pcs->autoneg = phy_dev->autoneg;
 
 	if (phy_dev->autoneg == AUTONEG_ENABLE) {
diff --git a/drivers/net/ethernet/stmicro/stmmac/altr_tse_pcs.h b/drivers/net/ethernet/stmicro/stmmac/altr_tse_pcs.h
index 254199f2efdb..2f5882450b06 100644
--- a/drivers/net/ethernet/stmicro/stmmac/altr_tse_pcs.h
+++ b/drivers/net/ethernet/stmicro/stmmac/altr_tse_pcs.h
@@ -21,10 +21,6 @@
 #include <linux/phy.h>
 #include <linux/timer.h>
 
-#define SGMII_ADAPTER_CTRL_REG		0x00
-#define SGMII_ADAPTER_ENABLE		0x0000
-#define SGMII_ADAPTER_DISABLE		0x0001
-
 struct tse_pcs {
 	struct device *dev;
 	void __iomem *tse_pcs_base;
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-socfpga.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-socfpga.c
index 32ead4a4b460..33407df6bea6 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-socfpga.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-socfpga.c
@@ -29,6 +29,9 @@
 
 #include "altr_tse_pcs.h"
 
+#define SGMII_ADAPTER_CTRL_REG                          0x00
+#define SGMII_ADAPTER_DISABLE                           0x0001
+
 #define SYSMGR_EMACGRP_CTRL_PHYSEL_ENUM_GMII_MII 0x0
 #define SYSMGR_EMACGRP_CTRL_PHYSEL_ENUM_RGMII 0x1
 #define SYSMGR_EMACGRP_CTRL_PHYSEL_ENUM_RMII 0x2
@@ -62,14 +65,16 @@ static void socfpga_dwmac_fix_mac_speed(void *priv, unsigned int speed)
 {
 	struct socfpga_dwmac *dwmac = (struct socfpga_dwmac *)priv;
 	void __iomem *splitter_base = dwmac->splitter_base;
+	void __iomem *tse_pcs_base = dwmac->pcs.tse_pcs_base;
 	void __iomem *sgmii_adapter_base = dwmac->pcs.sgmii_adapter_base;
 	struct device *dev = dwmac->dev;
 	struct net_device *ndev = dev_get_drvdata(dev);
 	struct phy_device *phy_dev = ndev->phydev;
 	u32 val;
 
-	writew(SGMII_ADAPTER_DISABLE,
-	       sgmii_adapter_base + SGMII_ADAPTER_CTRL_REG);
+	if ((tse_pcs_base) && (sgmii_adapter_base))
+		writew(SGMII_ADAPTER_DISABLE,
+		       sgmii_adapter_base + SGMII_ADAPTER_CTRL_REG);
 
 	if (splitter_base) {
 		val = readl(splitter_base + EMAC_SPLITTER_CTRL_REG);
@@ -91,9 +96,7 @@ static void socfpga_dwmac_fix_mac_speed(void *priv, unsigned int speed)
 		writel(val, splitter_base + EMAC_SPLITTER_CTRL_REG);
 	}
 
-	writew(SGMII_ADAPTER_ENABLE,
-	       sgmii_adapter_base + SGMII_ADAPTER_CTRL_REG);
-	if (phy_dev)
+	if (tse_pcs_base && sgmii_adapter_base)
 		tse_pcs_fix_mac_speed(&dwmac->pcs, phy_dev, speed);
 }
 
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c
index cc1e887e47b5..3dec109251ad 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c
@@ -261,7 +261,7 @@ static int stmmac_pci_probe(struct pci_dev *pdev,
 		return -ENOMEM;
 
 	/* Enable pci device */
-	ret = pci_enable_device(pdev);
+	ret = pcim_enable_device(pdev);
 	if (ret) {
 		dev_err(&pdev->dev, "%s: ERROR: failed to enable device\n",
 			__func__);
@@ -313,8 +313,6 @@ static void stmmac_pci_remove(struct pci_dev *pdev)
 		pcim_iounmap_regions(pdev, BIT(i));
 		break;
 	}
-
-	pci_disable_device(pdev);
 }
 
 static int __maybe_unused stmmac_pci_suspend(struct device *dev)
diff --git a/drivers/net/ethernet/xilinx/xilinx_emaclite.c b/drivers/net/ethernet/xilinx/xilinx_emaclite.c
index d83e6743f156..9359ca9f3aef 100644
--- a/drivers/net/ethernet/xilinx/xilinx_emaclite.c
+++ b/drivers/net/ethernet/xilinx/xilinx_emaclite.c
@@ -817,10 +817,10 @@ static int xemaclite_mdio_write(struct mii_bus *bus, int phy_id, int reg,
 static int xemaclite_mdio_setup(struct net_local *lp, struct device *dev)
 {
 	struct mii_bus *bus;
-	int rc;
 	struct resource res;
 	struct device_node *np = of_get_parent(lp->phy_node);
 	struct device_node *npp;
+	int rc, ret;
 
 	/* Don't register the MDIO bus if the phy_node or its parent node
 	 * can't be found.
@@ -830,8 +830,14 @@ static int xemaclite_mdio_setup(struct net_local *lp, struct device *dev)
 		return -ENODEV;
 	}
 	npp = of_get_parent(np);
-
-	of_address_to_resource(npp, 0, &res);
+	ret = of_address_to_resource(npp, 0, &res);
+	of_node_put(npp);
+	if (ret) {
+		dev_err(dev, "%s resource error!\n",
+			dev->of_node->full_name);
+		of_node_put(np);
+		return ret;
+	}
 	if (lp->ndev->mem_start != res.start) {
 		struct phy_device *phydev;
 		phydev = of_phy_find_device(lp->phy_node);
@@ -840,6 +846,7 @@ static int xemaclite_mdio_setup(struct net_local *lp, struct device *dev)
 				 "MDIO of the phy is not registered yet\n");
 		else
 			put_device(&phydev->mdio.dev);
+		of_node_put(np);
 		return 0;
 	}
 
@@ -852,6 +859,7 @@ static int xemaclite_mdio_setup(struct net_local *lp, struct device *dev)
 	bus = mdiobus_alloc();
 	if (!bus) {
 		dev_err(dev, "Failed to allocate mdiobus\n");
+		of_node_put(np);
 		return -ENOMEM;
 	}
 
@@ -866,6 +874,7 @@ static int xemaclite_mdio_setup(struct net_local *lp, struct device *dev)
 	lp->mii_bus = bus;
 
 	rc = of_mdiobus_register(bus, np);
+	of_node_put(np);
 	if (rc) {
 		dev_err(dev, "Failed to register mdio bus.\n");
 		goto err_register;
diff --git a/drivers/net/hamradio/6pack.c b/drivers/net/hamradio/6pack.c
index 3d5b2b4899ec..2d239c014541 100644
--- a/drivers/net/hamradio/6pack.c
+++ b/drivers/net/hamradio/6pack.c
@@ -311,7 +311,6 @@ static void sp_setup(struct net_device *dev)
 {
 	/* Finish setting up the DEVICE info. */
 	dev->netdev_ops		= &sp_netdev_ops;
-	dev->needs_free_netdev	= true;
 	dev->mtu		= SIXP_MTU;
 	dev->hard_header_len	= AX25_MAX_HEADER_LEN;
 	dev->header_ops 	= &ax25_header_ops;
@@ -690,9 +689,11 @@ static void sixpack_close(struct tty_struct *tty)
 	del_timer_sync(&sp->tx_t);
 	del_timer_sync(&sp->resync_t);
 
-	/* Free all 6pack frame buffers. */
+	/* Free all 6pack frame buffers after unreg. */
 	kfree(sp->rbuff);
 	kfree(sp->xbuff);
+
+	free_netdev(sp->dev);
 }
 
 /* Perform I/O control on an active 6pack channel. */
diff --git a/drivers/net/hippi/rrunner.c b/drivers/net/hippi/rrunner.c
index 40ef4aeb0ef0..3a73ac03fb2b 100644
--- a/drivers/net/hippi/rrunner.c
+++ b/drivers/net/hippi/rrunner.c
@@ -1354,7 +1354,9 @@ static int rr_close(struct net_device *dev)
 
 	rrpriv->fw_running = 0;
 
+	spin_unlock_irqrestore(&rrpriv->lock, flags);
 	del_timer_sync(&rrpriv->timer);
+	spin_lock_irqsave(&rrpriv->lock, flags);
 
 	writel(0, &regs->TxPi);
 	writel(0, &regs->IpRxPi);
diff --git a/drivers/net/vmxnet3/vmxnet3_drv.c b/drivers/net/vmxnet3/vmxnet3_drv.c
index 98fc34ea78ff..c6feb7459be6 100644
--- a/drivers/net/vmxnet3/vmxnet3_drv.c
+++ b/drivers/net/vmxnet3/vmxnet3_drv.c
@@ -595,6 +595,7 @@ vmxnet3_rq_alloc_rx_buf(struct vmxnet3_rx_queue *rq, u32 ring_idx,
 				if (dma_mapping_error(&adapter->pdev->dev,
 						      rbi->dma_addr)) {
 					dev_kfree_skb_any(rbi->skb);
+					rbi->skb = NULL;
 					rq->stats.rx_buf_alloc_failure++;
 					break;
 				}
@@ -619,6 +620,7 @@ vmxnet3_rq_alloc_rx_buf(struct vmxnet3_rx_queue *rq, u32 ring_idx,
 				if (dma_mapping_error(&adapter->pdev->dev,
 						      rbi->dma_addr)) {
 					put_page(rbi->page);
+					rbi->page = NULL;
 					rq->stats.rx_buf_alloc_failure++;
 					break;
 				}
@@ -1571,6 +1573,10 @@ vmxnet3_rq_cleanup(struct vmxnet3_rx_queue *rq,
 	u32 i, ring_idx;
 	struct Vmxnet3_RxDesc *rxd;
 
+	/* ring has already been cleaned up */
+	if (!rq->rx_ring[0].base)
+		return;
+
 	for (ring_idx = 0; ring_idx < 2; ring_idx++) {
 		for (i = 0; i < rq->rx_ring[ring_idx].size; i++) {
 #ifdef __BIG_ENDIAN_BITFIELD
diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c
index 066a4654e838..31657f15eb07 100644
--- a/drivers/net/vxlan.c
+++ b/drivers/net/vxlan.c
@@ -524,11 +524,11 @@ static int vxlan_fdb_append(struct vxlan_fdb *f,
 
 	rd = kmalloc(sizeof(*rd), GFP_ATOMIC);
 	if (rd == NULL)
-		return -ENOBUFS;
+		return -ENOMEM;
 
 	if (dst_cache_init(&rd->dst_cache, GFP_ATOMIC)) {
 		kfree(rd);
-		return -ENOBUFS;
+		return -ENOMEM;
 	}
 
 	rd->remote_ip = *ip;
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c
index d198a8780b96..8fa4ffff7c32 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c
@@ -552,7 +552,7 @@ enum brcmf_sdio_frmtype {
 	BRCMF_SDIO_FT_SUB,
 };
 
-#define SDIOD_DRVSTR_KEY(chip, pmu)     (((chip) << 16) | (pmu))
+#define SDIOD_DRVSTR_KEY(chip, pmu)     (((unsigned int)(chip) << 16) | (pmu))
 
 /* SDIO Pad drive strength to select value mappings */
 struct sdiod_drive_str {
diff --git a/drivers/net/wireless/mac80211_hwsim.c b/drivers/net/wireless/mac80211_hwsim.c
index ee1eb14ae8fc..885c4352bdef 100644
--- a/drivers/net/wireless/mac80211_hwsim.c
+++ b/drivers/net/wireless/mac80211_hwsim.c
@@ -2025,11 +2025,13 @@ static void hw_scan_work(struct work_struct *work)
 			if (req->ie_len)
 				skb_put_data(probe, req->ie, req->ie_len);
 
+			rcu_read_lock();
 			if (!ieee80211_tx_prepare_skb(hwsim->hw,
 						      hwsim->hw_scan_vif,
 						      probe,
 						      hwsim->tmp_chan->band,
 						      NULL)) {
+				rcu_read_unlock();
 				kfree_skb(probe);
 				continue;
 			}
@@ -2037,6 +2039,7 @@ static void hw_scan_work(struct work_struct *work)
 			local_bh_disable();
 			mac80211_hwsim_tx_frame(hwsim->hw, probe,
 						hwsim->tmp_chan);
+			rcu_read_unlock();
 			local_bh_enable();
 		}
 	}
diff --git a/drivers/nfc/nfcmrvl/main.c b/drivers/nfc/nfcmrvl/main.c
index 529be35ac178..54d228acc0f5 100644
--- a/drivers/nfc/nfcmrvl/main.c
+++ b/drivers/nfc/nfcmrvl/main.c
@@ -194,6 +194,7 @@ void nfcmrvl_nci_unregister_dev(struct nfcmrvl_private *priv)
 {
 	struct nci_dev *ndev = priv->ndev;
 
+	nci_unregister_device(ndev);
 	if (priv->ndev->nfc_dev->fw_download_in_progress)
 		nfcmrvl_fw_dnld_abort(priv);
 
@@ -202,7 +203,6 @@ void nfcmrvl_nci_unregister_dev(struct nfcmrvl_private *priv)
 	if (gpio_is_valid(priv->config.reset_n_io))
 		gpio_free(priv->config.reset_n_io);
 
-	nci_unregister_device(ndev);
 	nci_free_device(ndev);
 	kfree(priv);
 }
diff --git a/drivers/pci/host/pci-aardvark.c b/drivers/pci/host/pci-aardvark.c
index 124fd7cb5da5..1c8c24b2188c 100644
--- a/drivers/pci/host/pci-aardvark.c
+++ b/drivers/pci/host/pci-aardvark.c
@@ -104,6 +104,7 @@
 #define PCIE_MSI_ADDR_HIGH_REG			(CONTROL_BASE_ADDR + 0x54)
 #define PCIE_MSI_STATUS_REG			(CONTROL_BASE_ADDR + 0x58)
 #define PCIE_MSI_MASK_REG			(CONTROL_BASE_ADDR + 0x5C)
+#define     PCIE_MSI_ALL_MASK			GENMASK(31, 0)
 #define PCIE_MSI_PAYLOAD_REG			(CONTROL_BASE_ADDR + 0x9C)
 #define     PCIE_MSI_DATA_MASK			GENMASK(15, 0)
 
@@ -490,6 +491,7 @@ static void advk_pcie_setup_hw(struct advk_pcie *pcie)
 	advk_writel(pcie, reg, PCIE_CORE_CTRL2_REG);
 
 	/* Clear all interrupts */
+	advk_writel(pcie, PCIE_MSI_ALL_MASK, PCIE_MSI_STATUS_REG);
 	advk_writel(pcie, PCIE_ISR0_ALL_MASK, PCIE_ISR0_REG);
 	advk_writel(pcie, PCIE_ISR1_ALL_MASK, PCIE_ISR1_REG);
 	advk_writel(pcie, PCIE_IRQ_ALL_MASK, HOST_CTRL_INT_STATUS_REG);
@@ -502,7 +504,7 @@ static void advk_pcie_setup_hw(struct advk_pcie *pcie)
 	advk_writel(pcie, PCIE_ISR1_ALL_MASK, PCIE_ISR1_MASK_REG);
 
 	/* Unmask all MSI's */
-	advk_writel(pcie, 0, PCIE_MSI_MASK_REG);
+	advk_writel(pcie, ~(u32)PCIE_MSI_ALL_MASK, PCIE_MSI_MASK_REG);
 
 	/* Enable summary interrupt for GIC SPI source */
 	reg = PCIE_IRQ_ALL_MASK & (~PCIE_IRQ_ENABLE_INTS_MASK);
@@ -1034,23 +1036,19 @@ static void advk_pcie_remove_irq_domain(struct advk_pcie *pcie)
 static void advk_pcie_handle_msi(struct advk_pcie *pcie)
 {
 	u32 msi_val, msi_mask, msi_status, msi_idx;
-	u16 msi_data;
+	int virq;
 
 	msi_mask = advk_readl(pcie, PCIE_MSI_MASK_REG);
 	msi_val = advk_readl(pcie, PCIE_MSI_STATUS_REG);
-	msi_status = msi_val & ~msi_mask;
+	msi_status = msi_val & ((~msi_mask) & PCIE_MSI_ALL_MASK);
 
 	for (msi_idx = 0; msi_idx < MSI_IRQ_NUM; msi_idx++) {
 		if (!(BIT(msi_idx) & msi_status))
 			continue;
 
-		/*
-		 * msi_idx contains bits [4:0] of the msi_data and msi_data
-		 * contains 16bit MSI interrupt number
-		 */
 		advk_writel(pcie, BIT(msi_idx), PCIE_MSI_STATUS_REG);
-		msi_data = advk_readl(pcie, PCIE_MSI_PAYLOAD_REG) & PCIE_MSI_DATA_MASK;
-		generic_handle_irq(msi_data);
+		virq = irq_find_mapping(pcie->msi_inner_domain, msi_idx);
+		generic_handle_irq(virq);
 	}
 
 	advk_writel(pcie, PCIE_ISR0_MSI_INT_PENDING,
diff --git a/drivers/phy/samsung/phy-exynos5250-sata.c b/drivers/phy/samsung/phy-exynos5250-sata.c
index 60e13afcd9b8..2c39d2fd3cd8 100644
--- a/drivers/phy/samsung/phy-exynos5250-sata.c
+++ b/drivers/phy/samsung/phy-exynos5250-sata.c
@@ -193,6 +193,7 @@ static int exynos_sata_phy_probe(struct platform_device *pdev)
 		return -EINVAL;
 
 	sata_phy->client = of_find_i2c_device_by_node(node);
+	of_node_put(node);
 	if (!sata_phy->client)
 		return -EPROBE_DEFER;
 
@@ -201,20 +202,21 @@ static int exynos_sata_phy_probe(struct platform_device *pdev)
 	sata_phy->phyclk = devm_clk_get(dev, "sata_phyctrl");
 	if (IS_ERR(sata_phy->phyclk)) {
 		dev_err(dev, "failed to get clk for PHY\n");
-		return PTR_ERR(sata_phy->phyclk);
+		ret = PTR_ERR(sata_phy->phyclk);
+		goto put_dev;
 	}
 
 	ret = clk_prepare_enable(sata_phy->phyclk);
 	if (ret < 0) {
 		dev_err(dev, "failed to enable source clk\n");
-		return ret;
+		goto put_dev;
 	}
 
 	sata_phy->phy = devm_phy_create(dev, NULL, &exynos_sata_phy_ops);
 	if (IS_ERR(sata_phy->phy)) {
-		clk_disable_unprepare(sata_phy->phyclk);
 		dev_err(dev, "failed to create PHY\n");
-		return PTR_ERR(sata_phy->phy);
+		ret = PTR_ERR(sata_phy->phy);
+		goto clk_disable;
 	}
 
 	phy_set_drvdata(sata_phy->phy, sata_phy);
@@ -222,11 +224,18 @@ static int exynos_sata_phy_probe(struct platform_device *pdev)
 	phy_provider = devm_of_phy_provider_register(dev,
 					of_phy_simple_xlate);
 	if (IS_ERR(phy_provider)) {
-		clk_disable_unprepare(sata_phy->phyclk);
-		return PTR_ERR(phy_provider);
+		ret = PTR_ERR(phy_provider);
+		goto clk_disable;
 	}
 
 	return 0;
+
+clk_disable:
+	clk_disable_unprepare(sata_phy->phyclk);
+put_dev:
+	put_device(&sata_phy->client->dev);
+
+	return ret;
 }
 
 static const struct of_device_id exynos_sata_phy_of_match[] = {
diff --git a/drivers/pinctrl/pinctrl-pistachio.c b/drivers/pinctrl/pinctrl-pistachio.c
index b2b7e238bda9..fc8c57527fb7 100644
--- a/drivers/pinctrl/pinctrl-pistachio.c
+++ b/drivers/pinctrl/pinctrl-pistachio.c
@@ -1374,10 +1374,10 @@ static int pistachio_gpio_register(struct pistachio_pinctrl *pctl)
 		}
 
 		irq = irq_of_parse_and_map(child, 0);
-		if (irq < 0) {
-			dev_err(pctl->dev, "No IRQ for bank %u: %d\n", i, irq);
+		if (!irq) {
+			dev_err(pctl->dev, "No IRQ for bank %u\n", i);
 			of_node_put(child);
-			ret = irq;
+			ret = -EINVAL;
 			goto err;
 		}
 
diff --git a/drivers/platform/x86/samsung-laptop.c b/drivers/platform/x86/samsung-laptop.c
index d3cb26f6df73..c1c34b495519 100644
--- a/drivers/platform/x86/samsung-laptop.c
+++ b/drivers/platform/x86/samsung-laptop.c
@@ -1125,8 +1125,6 @@ static void kbd_led_set(struct led_classdev *led_cdev,
 
 	if (value > samsung->kbd_led.max_brightness)
 		value = samsung->kbd_led.max_brightness;
-	else if (value < 0)
-		value = 0;
 
 	samsung->kbd_led_wk = value;
 	queue_work(samsung->led_workqueue, &samsung->kbd_led_work);
diff --git a/drivers/s390/net/ctcm_mpc.c b/drivers/s390/net/ctcm_mpc.c
index e02f295d38a9..07d9668137df 100644
--- a/drivers/s390/net/ctcm_mpc.c
+++ b/drivers/s390/net/ctcm_mpc.c
@@ -625,8 +625,6 @@ static void mpc_rcvd_sweep_resp(struct mpcg_info *mpcginfo)
 		ctcm_clear_busy_do(dev);
 	}
 
-	kfree(mpcginfo);
-
 	return;
 
 }
@@ -1205,10 +1203,10 @@ static void ctcmpc_unpack_skb(struct channel *ch, struct sk_buff *pskb)
 						CTCM_FUNTAIL, dev->name);
 			priv->stats.rx_dropped++;
 			/* mpcginfo only used for non-data transfers */
-			kfree(mpcginfo);
 			if (do_debug_data)
 				ctcmpc_dump_skb(pskb, -8);
 		}
+		kfree(mpcginfo);
 	}
 done:
 
@@ -1991,7 +1989,6 @@ static void mpc_action_rcvd_xid0(fsm_instance *fsm, int event, void *arg)
 		}
 		break;
 	}
-	kfree(mpcginfo);
 
 	CTCM_PR_DEBUG("ctcmpc:%s() %s xid2:%i xid7:%i xidt_p2:%i \n",
 		__func__, ch->id, grp->outstanding_xid2,
@@ -2052,7 +2049,6 @@ static void mpc_action_rcvd_xid7(fsm_instance *fsm, int event, void *arg)
 		mpc_validate_xid(mpcginfo);
 		break;
 	}
-	kfree(mpcginfo);
 	return;
 }
 
diff --git a/drivers/s390/net/ctcm_sysfs.c b/drivers/s390/net/ctcm_sysfs.c
index ded1930a00b2..e3813a7aa5e6 100644
--- a/drivers/s390/net/ctcm_sysfs.c
+++ b/drivers/s390/net/ctcm_sysfs.c
@@ -39,11 +39,12 @@ static ssize_t ctcm_buffer_write(struct device *dev,
 	struct ctcm_priv *priv = dev_get_drvdata(dev);
 	int rc;
 
-	ndev = priv->channel[CTCM_READ]->netdev;
-	if (!(priv && priv->channel[CTCM_READ] && ndev)) {
+	if (!(priv && priv->channel[CTCM_READ] &&
+	      priv->channel[CTCM_READ]->netdev)) {
 		CTCM_DBF_TEXT(SETUP, CTC_DBF_ERROR, "bfnondev");
 		return -ENODEV;
 	}
+	ndev = priv->channel[CTCM_READ]->netdev;
 
 	rc = kstrtouint(buf, 0, &bs1);
 	if (rc)
diff --git a/drivers/s390/net/lcs.c b/drivers/s390/net/lcs.c
index d01b5c2a7760..da4d7284db67 100644
--- a/drivers/s390/net/lcs.c
+++ b/drivers/s390/net/lcs.c
@@ -1757,10 +1757,11 @@ lcs_get_control(struct lcs_card *card, struct lcs_cmd *cmd)
 			lcs_schedule_recovery(card);
 			break;
 		case LCS_CMD_STOPLAN:
-			pr_warn("Stoplan for %s initiated by LGW\n",
-				card->dev->name);
-			if (card->dev)
+			if (card->dev) {
+				pr_warn("Stoplan for %s initiated by LGW\n",
+					card->dev->name);
 				netif_carrier_off(card->dev);
+			}
 			break;
 		default:
 			LCS_DBF_TEXT(5, trace, "noLGWcmd");
diff --git a/drivers/scsi/qla2xxx/qla_target.c b/drivers/scsi/qla2xxx/qla_target.c
index 97a0c2384aee..4b431ca55c96 100644
--- a/drivers/scsi/qla2xxx/qla_target.c
+++ b/drivers/scsi/qla2xxx/qla_target.c
@@ -3639,6 +3639,9 @@ int qlt_abort_cmd(struct qla_tgt_cmd *cmd)
 
 	spin_lock_irqsave(&cmd->cmd_lock, flags);
 	if (cmd->aborted) {
+		if (cmd->sg_mapped)
+			qlt_unmap_sg(vha, cmd);
+
 		spin_unlock_irqrestore(&cmd->cmd_lock, flags);
 		/*
 		 * It's normal to see 2 calls in this path:
diff --git a/drivers/staging/android/ion/ion.c b/drivers/staging/android/ion/ion.c
index d166256e09a3..b6039b02deaa 100644
--- a/drivers/staging/android/ion/ion.c
+++ b/drivers/staging/android/ion/ion.c
@@ -225,6 +225,9 @@ static void *ion_buffer_kmap_get(struct ion_buffer *buffer)
 	void *vaddr;
 
 	if (buffer->kmap_cnt) {
+		if (buffer->kmap_cnt == INT_MAX)
+			return ERR_PTR(-EOVERFLOW);
+
 		buffer->kmap_cnt++;
 		return buffer->vaddr;
 	}
diff --git a/drivers/tty/n_gsm.c b/drivers/tty/n_gsm.c
index 28133a8e3169..c6cb185a5bdf 100644
--- a/drivers/tty/n_gsm.c
+++ b/drivers/tty/n_gsm.c
@@ -84,6 +84,8 @@ module_param(debug, int, 0600);
  */
 #define MAX_MRU 1500
 #define MAX_MTU 1500
+/* SOF, ADDR, CTRL, LEN1, LEN2, ..., FCS, EOF */
+#define PROT_OVERHEAD 7
 #define	GSM_NET_TX_TIMEOUT (HZ*10)
 
 /**
@@ -835,7 +837,7 @@ static int gsm_dlci_data_output(struct gsm_mux *gsm, struct gsm_dlci *dlci)
 			break;
 		case 2:	/* Unstructed with modem bits.
 		Always one byte as we never send inline break data */
-			*dp++ = gsm_encode_modem(dlci);
+			*dp++ = (gsm_encode_modem(dlci) << 1) | EA;
 			break;
 		}
 		WARN_ON(kfifo_out_locked(dlci->fifo, dp , len, &dlci->lock) != len);
@@ -1312,11 +1314,12 @@ static void gsm_control_response(struct gsm_mux *gsm, unsigned int command,
 
 static void gsm_control_transmit(struct gsm_mux *gsm, struct gsm_control *ctrl)
 {
-	struct gsm_msg *msg = gsm_data_alloc(gsm, 0, ctrl->len + 1, gsm->ftype);
+	struct gsm_msg *msg = gsm_data_alloc(gsm, 0, ctrl->len + 2, gsm->ftype);
 	if (msg == NULL)
 		return;
-	msg->data[0] = (ctrl->cmd << 1) | 2 | EA;	/* command */
-	memcpy(msg->data + 1, ctrl->data, ctrl->len);
+	msg->data[0] = (ctrl->cmd << 1) | CR | EA;	/* command */
+	msg->data[1] = (ctrl->len << 1) | EA;
+	memcpy(msg->data + 2, ctrl->data, ctrl->len);
 	gsm_data_queue(gsm->dlci[0], msg);
 }
 
@@ -1339,7 +1342,6 @@ static void gsm_control_retransmit(unsigned long data)
 	spin_lock_irqsave(&gsm->control_lock, flags);
 	ctrl = gsm->pending_cmd;
 	if (ctrl) {
-		gsm->cretries--;
 		if (gsm->cretries == 0) {
 			gsm->pending_cmd = NULL;
 			ctrl->error = -ETIMEDOUT;
@@ -1348,6 +1350,7 @@ static void gsm_control_retransmit(unsigned long data)
 			wake_up(&gsm->event);
 			return;
 		}
+		gsm->cretries--;
 		gsm_control_transmit(gsm, ctrl);
 		mod_timer(&gsm->t2_timer, jiffies + gsm->t2 * HZ / 100);
 	}
@@ -1388,7 +1391,7 @@ retry:
 
 	/* If DLCI0 is in ADM mode skip retries, it won't respond */
 	if (gsm->dlci[0]->mode == DLCI_MODE_ADM)
-		gsm->cretries = 1;
+		gsm->cretries = 0;
 	else
 		gsm->cretries = gsm->n2;
 
@@ -1822,7 +1825,6 @@ static void gsm_queue(struct gsm_mux *gsm)
 		gsm_response(gsm, address, UA);
 		gsm_dlci_close(dlci);
 		break;
-	case UA:
 	case UA|PF:
 		if (cr == 0 || dlci == NULL)
 			break;
@@ -1973,7 +1975,8 @@ static void gsm1_receive(struct gsm_mux *gsm, unsigned char c)
 		}
 		/* Any partial frame was a runt so go back to start */
 		if (gsm->state != GSM_START) {
-			gsm->malformed++;
+			if (gsm->state != GSM_SEARCH)
+				gsm->malformed++;
 			gsm->state = GSM_START;
 		}
 		/* A SOF in GSM_START means we are still reading idling or
@@ -2110,6 +2113,7 @@ static void gsm_cleanup_mux(struct gsm_mux *gsm)
 			gsm_dlci_release(gsm->dlci[i]);
 	mutex_unlock(&gsm->mutex);
 	/* Now wipe the queues */
+	tty_ldisc_flush(gsm->tty);
 	list_for_each_entry_safe(txq, ntxq, &gsm->tx_list, list)
 		kfree(txq);
 	INIT_LIST_HEAD(&gsm->tx_list);
@@ -2210,7 +2214,7 @@ static struct gsm_mux *gsm_alloc_mux(void)
 		kfree(gsm);
 		return NULL;
 	}
-	gsm->txframe = kmalloc(2 * MAX_MRU + 2, GFP_KERNEL);
+	gsm->txframe = kmalloc(2 * (MAX_MTU + PROT_OVERHEAD - 1), GFP_KERNEL);
 	if (gsm->txframe == NULL) {
 		kfree(gsm->buf);
 		kfree(gsm);
@@ -2527,7 +2531,7 @@ static int gsmld_config(struct tty_struct *tty, struct gsm_mux *gsm,
 	/* Check the MRU/MTU range looks sane */
 	if (c->mru > MAX_MRU || c->mtu > MAX_MTU || c->mru < 8 || c->mtu < 8)
 		return -EINVAL;
-	if (c->n2 < 3)
+	if (c->n2 > 255)
 		return -EINVAL;
 	if (c->encapsulation > 1)	/* Basic, advanced, no I */
 		return -EINVAL;
@@ -2870,19 +2874,17 @@ static struct tty_ldisc_ops tty_ldisc_packet = {
 
 static int gsmtty_modem_update(struct gsm_dlci *dlci, u8 brk)
 {
-	u8 modembits[5];
+	u8 modembits[3];
 	struct gsm_control *ctrl;
 	int len = 2;
 
-	if (brk)
+	modembits[0] = (dlci->addr << 2) | 2 | EA;  /* DLCI, Valid, EA */
+	modembits[1] = (gsm_encode_modem(dlci) << 1) | EA;
+	if (brk) {
+		modembits[2] = (brk << 4) | 2 | EA; /* Length, Break, EA */
 		len++;
-
-	modembits[0] = len << 1 | EA;		/* Data bytes */
-	modembits[1] = dlci->addr << 2 | 3;	/* DLCI, EA, 1 */
-	modembits[2] = gsm_encode_modem(dlci) << 1 | EA;
-	if (brk)
-		modembits[3] = brk << 4 | 2 | EA;	/* Valid, EA */
-	ctrl = gsm_control_send(dlci->gsm, CMD_MSC, modembits, len + 1);
+	}
+	ctrl = gsm_control_send(dlci->gsm, CMD_MSC, modembits, len);
 	if (ctrl == NULL)
 		return -ENOMEM;
 	return gsm_control_wait(dlci->gsm, ctrl);
diff --git a/drivers/tty/serial/8250/8250_pci.c b/drivers/tty/serial/8250/8250_pci.c
index 527b394efb97..a22a0ed905d7 100644
--- a/drivers/tty/serial/8250/8250_pci.c
+++ b/drivers/tty/serial/8250/8250_pci.c
@@ -2668,7 +2668,7 @@ enum pci_board_num_t {
 	pbn_panacom2,
 	pbn_panacom4,
 	pbn_plx_romulus,
-	pbn_endrun_2_4000000,
+	pbn_endrun_2_3906250,
 	pbn_oxsemi,
 	pbn_oxsemi_1_4000000,
 	pbn_oxsemi_2_4000000,
@@ -3184,10 +3184,10 @@ static struct pciserial_board pci_boards[] = {
 	* signal now many ports are available
 	* 2 port 952 Uart support
 	*/
-	[pbn_endrun_2_4000000] = {
+	[pbn_endrun_2_3906250] = {
 		.flags		= FL_BASE0,
 		.num_ports	= 2,
-		.base_baud	= 4000000,
+		.base_baud	= 3906250,
 		.uart_offset	= 0x200,
 		.first_offset	= 0x1000,
 	},
@@ -4039,7 +4039,7 @@ static const struct pci_device_id serial_pci_tbl[] = {
 	*/
 	{	PCI_VENDOR_ID_ENDRUN, PCI_DEVICE_ID_ENDRUN_1588,
 		PCI_ANY_ID, PCI_ANY_ID, 0, 0,
-		pbn_endrun_2_4000000 },
+		pbn_endrun_2_3906250 },
 	/*
 	 * Quatech cards. These actually have configurable clocks but for
 	 * now we just use the default.
diff --git a/drivers/tty/serial/8250/8250_port.c b/drivers/tty/serial/8250/8250_port.c
index 9758d3b0c9fc..bbfcb220e1eb 100644
--- a/drivers/tty/serial/8250/8250_port.c
+++ b/drivers/tty/serial/8250/8250_port.c
@@ -3240,7 +3240,7 @@ static void serial8250_console_restore(struct uart_8250_port *up)
 
 	serial8250_set_divisor(port, baud, quot, frac);
 	serial_port_out(port, UART_LCR, up->lcr);
-	serial8250_out_MCR(up, UART_MCR_DTR | UART_MCR_RTS);
+	serial8250_out_MCR(up, up->mcr | UART_MCR_DTR | UART_MCR_RTS);
 }
 
 /*
diff --git a/drivers/tty/serial/digicolor-usart.c b/drivers/tty/serial/digicolor-usart.c
index 50ec5f1ac77f..794864fac625 100644
--- a/drivers/tty/serial/digicolor-usart.c
+++ b/drivers/tty/serial/digicolor-usart.c
@@ -476,10 +476,10 @@ static int digicolor_uart_probe(struct platform_device *pdev)
 		return PTR_ERR(uart_clk);
 
 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	dp->port.mapbase = res->start;
 	dp->port.membase = devm_ioremap_resource(&pdev->dev, res);
 	if (IS_ERR(dp->port.membase))
 		return PTR_ERR(dp->port.membase);
+	dp->port.mapbase = res->start;
 
 	irq = platform_get_irq(pdev, 0);
 	if (irq < 0)
diff --git a/drivers/usb/class/cdc-wdm.c b/drivers/usb/class/cdc-wdm.c
index ec2de4e448c4..d80718629a76 100644
--- a/drivers/usb/class/cdc-wdm.c
+++ b/drivers/usb/class/cdc-wdm.c
@@ -731,6 +731,7 @@ static int wdm_release(struct inode *inode, struct file *file)
 			kill_urbs(desc);
 			spin_lock_irq(&desc->iuspin);
 			desc->resp_count = 0;
+			clear_bit(WDM_RESPONDING, &desc->flags);
 			spin_unlock_irq(&desc->iuspin);
 			desc->manage_power(desc->intf, 0);
 		} else {
diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c
index 184c7d2e0422..266a234098ae 100644
--- a/drivers/usb/core/quirks.c
+++ b/drivers/usb/core/quirks.c
@@ -243,6 +243,9 @@ static const struct usb_device_id usb_quirk_list[] = {
 	{ USB_DEVICE(0x0b05, 0x17e0), .driver_info =
 			USB_QUIRK_IGNORE_REMOTE_WAKEUP },
 
+	/* Realtek Semiconductor Corp. Mass Storage Device (Multicard Reader)*/
+	{ USB_DEVICE(0x0bda, 0x0151), .driver_info = USB_QUIRK_CONFIG_INTF_STRINGS },
+
 	/* Realtek hub in Dell WD19 (Type-C) */
 	{ USB_DEVICE(0x0bda, 0x0487), .driver_info = USB_QUIRK_NO_LPM },
 	{ USB_DEVICE(0x0bda, 0x5487), .driver_info = USB_QUIRK_RESET_RESUME },
@@ -331,6 +334,9 @@ static const struct usb_device_id usb_quirk_list[] = {
 	/* Galaxy series, misc. (MTP mode) */
 	{ USB_DEVICE(0x04e8, 0x6860), .driver_info = USB_QUIRK_NO_LPM },
 
+	/* VCOM device */
+	{ USB_DEVICE(0x4296, 0x7570), .driver_info = USB_QUIRK_CONFIG_INTF_STRINGS },
+
 	/* INTEL VALUE SSD */
 	{ USB_DEVICE(0x8086, 0xf1a5), .driver_info = USB_QUIRK_RESET_RESUME },
 
diff --git a/drivers/usb/gadget/function/uvc_queue.c b/drivers/usb/gadget/function/uvc_queue.c
index 6377e9fee6e5..dadf6e507380 100644
--- a/drivers/usb/gadget/function/uvc_queue.c
+++ b/drivers/usb/gadget/function/uvc_queue.c
@@ -246,6 +246,8 @@ void uvcg_queue_cancel(struct uvc_video_queue *queue, int disconnect)
 		buf->state = UVC_BUF_STATE_ERROR;
 		vb2_buffer_done(&buf->buf.vb2_buf, VB2_BUF_STATE_ERROR);
 	}
+	queue->buf_used = 0;
+
 	/* This must be protected by the irqlock spinlock to avoid race
 	 * conditions between uvc_queue_buffer and the disconnection event that
 	 * could result in an interruptible wait in uvc_dequeue_buffer. Do not
diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
index 0fb4aafe3840..b2641152912c 100644
--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c
@@ -2921,6 +2921,8 @@ irqreturn_t xhci_irq(struct usb_hcd *hcd)
 		if (event_loop++ < TRBS_PER_SEGMENT / 2)
 			continue;
 		xhci_update_erst_dequeue(xhci, event_ring_deq);
+		event_ring_deq = xhci->event_ring->dequeue;
+
 		event_loop = 0;
 	}
 
diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
index 5818b9650efa..430e8f8c0ec7 100644
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -760,6 +760,17 @@ void xhci_shutdown(struct usb_hcd *hcd)
 	if (xhci->quirks & XHCI_SPURIOUS_REBOOT)
 		usb_disable_xhci_ports(to_pci_dev(hcd->self.sysdev));
 
+	/* Don't poll the roothubs after shutdown. */
+	xhci_dbg(xhci, "%s: stopping usb%d port polling.\n",
+			__func__, hcd->self.busnum);
+	clear_bit(HCD_FLAG_POLL_RH, &hcd->flags);
+	del_timer_sync(&hcd->rh_timer);
+
+	if (xhci->shared_hcd) {
+		clear_bit(HCD_FLAG_POLL_RH, &xhci->shared_hcd->flags);
+		del_timer_sync(&xhci->shared_hcd->rh_timer);
+	}
+
 	spin_lock_irq(&xhci->lock);
 	xhci_halt(xhci);
 	/* Workaround for spurious wakeups at shutdown with HSW */
diff --git a/drivers/usb/misc/uss720.c b/drivers/usb/misc/uss720.c
index 61866759bcff..de73f33dc739 100644
--- a/drivers/usb/misc/uss720.c
+++ b/drivers/usb/misc/uss720.c
@@ -84,6 +84,7 @@ static void destroy_priv(struct kref *kref)
 
 	dev_dbg(&priv->usbdev->dev, "destroying priv datastructure\n");
 	usb_put_dev(priv->usbdev);
+	priv->usbdev = NULL;
 	kfree(priv);
 }
 
@@ -749,7 +750,6 @@ static int uss720_probe(struct usb_interface *intf,
 	parport_announce_port(pp);
 
 	usb_set_intfdata(intf, pp);
-	usb_put_dev(usbdev);
 	return 0;
 
 probe_abort:
@@ -769,7 +769,6 @@ static void uss720_disconnect(struct usb_interface *intf)
 	if (pp) {
 		priv = pp->private_data;
 		usbdev = priv->usbdev;
-		priv->usbdev = NULL;
 		priv->pp = NULL;
 		dev_dbg(&intf->dev, "parport_remove_port\n");
 		parport_remove_port(pp);
diff --git a/drivers/usb/mtu3/mtu3_dr.c b/drivers/usb/mtu3/mtu3_dr.c
index 560256115b23..6ef2c7cbb9a7 100644
--- a/drivers/usb/mtu3/mtu3_dr.c
+++ b/drivers/usb/mtu3/mtu3_dr.c
@@ -39,10 +39,8 @@ enum mtu3_vbus_id_state {
 
 static void toggle_opstate(struct ssusb_mtk *ssusb)
 {
-	if (!ssusb->otg_switch.is_u3_drd) {
-		mtu3_setbits(ssusb->mac_base, U3D_DEVICE_CONTROL, DC_SESSION);
-		mtu3_setbits(ssusb->mac_base, U3D_POWER_MANAGEMENT, SOFT_CONN);
-	}
+	mtu3_setbits(ssusb->mac_base, U3D_DEVICE_CONTROL, DC_SESSION);
+	mtu3_setbits(ssusb->mac_base, U3D_POWER_MANAGEMENT, SOFT_CONN);
 }
 
 /* only port0 supports dual-role mode */
diff --git a/drivers/usb/serial/cp210x.c b/drivers/usb/serial/cp210x.c
index e3e711953a8a..2f5874b05541 100644
--- a/drivers/usb/serial/cp210x.c
+++ b/drivers/usb/serial/cp210x.c
@@ -198,6 +198,8 @@ static const struct usb_device_id id_table[] = {
 	{ USB_DEVICE(0x16DC, 0x0015) }, /* W-IE-NE-R Plein & Baus GmbH CML Control, Monitoring and Data Logger */
 	{ USB_DEVICE(0x17A8, 0x0001) }, /* Kamstrup Optical Eye/3-wire */
 	{ USB_DEVICE(0x17A8, 0x0005) }, /* Kamstrup M-Bus Master MultiPort 250D */
+	{ USB_DEVICE(0x17A8, 0x0101) }, /* Kamstrup 868 MHz wM-Bus C-Mode Meter Reader (Int Ant) */
+	{ USB_DEVICE(0x17A8, 0x0102) }, /* Kamstrup 868 MHz wM-Bus C-Mode Meter Reader (Ext Ant) */
 	{ USB_DEVICE(0x17F4, 0xAAAA) }, /* Wavesense Jazz blood glucose meter */
 	{ USB_DEVICE(0x1843, 0x0200) }, /* Vaisala USB Instrument Cable */
 	{ USB_DEVICE(0x18EF, 0xE00F) }, /* ELV USB-I2C-Interface */
diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index a45d3502bd95..a58335adab8a 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -435,6 +435,8 @@ static void option_instat_callback(struct urb *urb);
 #define CINTERION_PRODUCT_CLS8			0x00b0
 #define CINTERION_PRODUCT_MV31_MBIM		0x00b3
 #define CINTERION_PRODUCT_MV31_RMNET		0x00b7
+#define CINTERION_PRODUCT_MV32_WA		0x00f1
+#define CINTERION_PRODUCT_MV32_WB		0x00f2
 
 /* Olivetti products */
 #define OLIVETTI_VENDOR_ID			0x0b3c
@@ -1220,6 +1222,10 @@ static const struct usb_device_id option_ids[] = {
 	  .driver_info = NCTRL(0) | RSVD(1) },
 	{ USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1056, 0xff),	/* Telit FD980 */
 	  .driver_info = NCTRL(2) | RSVD(3) },
+	{ USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1057, 0xff),	/* Telit FN980 */
+	  .driver_info = NCTRL(0) | RSVD(1) | RSVD(2) },
+	{ USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1058, 0xff),	/* Telit FN980 (PCIe) */
+	  .driver_info = NCTRL(0) | RSVD(1) },
 	{ USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1060, 0xff),	/* Telit LN920 (rmnet) */
 	  .driver_info = NCTRL(0) | RSVD(1) | RSVD(2) },
 	{ USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1061, 0xff),	/* Telit LN920 (MBIM) */
@@ -1236,6 +1242,8 @@ static const struct usb_device_id option_ids[] = {
 	  .driver_info = NCTRL(2) | RSVD(3) },
 	{ USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1073, 0xff),	/* Telit FN990 (ECM) */
 	  .driver_info = NCTRL(0) | RSVD(1) },
+	{ USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1075, 0xff),	/* Telit FN990 (PCIe) */
+	  .driver_info = RSVD(0) },
 	{ USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_ME910),
 	  .driver_info = NCTRL(0) | RSVD(1) | RSVD(3) },
 	{ USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_ME910_DUAL_MODEM),
@@ -1972,6 +1980,10 @@ static const struct usb_device_id option_ids[] = {
 	  .driver_info = RSVD(3)},
 	{ USB_DEVICE_INTERFACE_CLASS(CINTERION_VENDOR_ID, CINTERION_PRODUCT_MV31_RMNET, 0xff),
 	  .driver_info = RSVD(0)},
+	{ USB_DEVICE_INTERFACE_CLASS(CINTERION_VENDOR_ID, CINTERION_PRODUCT_MV32_WA, 0xff),
+	  .driver_info = RSVD(3)},
+	{ USB_DEVICE_INTERFACE_CLASS(CINTERION_VENDOR_ID, CINTERION_PRODUCT_MV32_WB, 0xff),
+	  .driver_info = RSVD(3)},
 	{ USB_DEVICE(OLIVETTI_VENDOR_ID, OLIVETTI_PRODUCT_OLICARD100),
 	  .driver_info = RSVD(4) },
 	{ USB_DEVICE(OLIVETTI_VENDOR_ID, OLIVETTI_PRODUCT_OLICARD120),
@@ -2113,10 +2125,14 @@ static const struct usb_device_id option_ids[] = {
 	  .driver_info = RSVD(3) },
 	{ USB_DEVICE(0x1508, 0x1001),						/* Fibocom NL668 (IOT version) */
 	  .driver_info = RSVD(4) | RSVD(5) | RSVD(6) },
+	{ USB_DEVICE(0x1782, 0x4d10) },						/* Fibocom L610 (AT mode) */
+	{ USB_DEVICE_INTERFACE_CLASS(0x1782, 0x4d11, 0xff) },			/* Fibocom L610 (ECM/RNDIS mode) */
 	{ USB_DEVICE(0x2cb7, 0x0104),						/* Fibocom NL678 series */
 	  .driver_info = RSVD(4) | RSVD(5) },
 	{ USB_DEVICE_INTERFACE_CLASS(0x2cb7, 0x0105, 0xff),			/* Fibocom NL678 series */
 	  .driver_info = RSVD(6) },
+	{ USB_DEVICE_INTERFACE_CLASS(0x2cb7, 0x0106, 0xff) },			/* Fibocom MA510 (ECM mode w/ diag intf.) */
+	{ USB_DEVICE_INTERFACE_CLASS(0x2cb7, 0x010a, 0xff) },			/* Fibocom MA510 (ECM mode) */
 	{ USB_DEVICE_AND_INTERFACE_INFO(0x2cb7, 0x010b, 0xff, 0xff, 0x30) },	/* Fibocom FG150 Diag */
 	{ USB_DEVICE_AND_INTERFACE_INFO(0x2cb7, 0x010b, 0xff, 0, 0) },		/* Fibocom FG150 AT */
 	{ USB_DEVICE_INTERFACE_CLASS(0x2cb7, 0x01a0, 0xff) },			/* Fibocom NL668-AM/NL652-EU (laptop MBIM) */
diff --git a/drivers/usb/serial/pl2303.c b/drivers/usb/serial/pl2303.c
index 103b77f56aec..80791adab5c4 100644
--- a/drivers/usb/serial/pl2303.c
+++ b/drivers/usb/serial/pl2303.c
@@ -103,6 +103,7 @@ static const struct usb_device_id id_table[] = {
 	{ USB_DEVICE(HP_VENDOR_ID, HP_LCM220_PRODUCT_ID) },
 	{ USB_DEVICE(HP_VENDOR_ID, HP_LCM960_PRODUCT_ID) },
 	{ USB_DEVICE(HP_VENDOR_ID, HP_LM920_PRODUCT_ID) },
+	{ USB_DEVICE(HP_VENDOR_ID, HP_LM930_PRODUCT_ID) },
 	{ USB_DEVICE(HP_VENDOR_ID, HP_LM940_PRODUCT_ID) },
 	{ USB_DEVICE(HP_VENDOR_ID, HP_TD620_PRODUCT_ID) },
 	{ USB_DEVICE(CRESSI_VENDOR_ID, CRESSI_EDY_PRODUCT_ID) },
diff --git a/drivers/usb/serial/pl2303.h b/drivers/usb/serial/pl2303.h
index c1b93d101990..ddd75529ab46 100644
--- a/drivers/usb/serial/pl2303.h
+++ b/drivers/usb/serial/pl2303.h
@@ -134,6 +134,7 @@
 #define HP_TD620_PRODUCT_ID	0x0956
 #define HP_LD960_PRODUCT_ID	0x0b39
 #define HP_LD381_PRODUCT_ID	0x0f7f
+#define HP_LM930_PRODUCT_ID	0x0f9b
 #define HP_LCM220_PRODUCT_ID	0x3139
 #define HP_LCM960_PRODUCT_ID	0x3239
 #define HP_LD220_PRODUCT_ID	0x3524
diff --git a/drivers/usb/serial/qcserial.c b/drivers/usb/serial/qcserial.c
index 8240c95c1d22..f926a0b0b133 100644
--- a/drivers/usb/serial/qcserial.c
+++ b/drivers/usb/serial/qcserial.c
@@ -170,6 +170,8 @@ static const struct usb_device_id id_table[] = {
 	{DEVICE_SWI(0x1199, 0x9090)},	/* Sierra Wireless EM7565 QDL */
 	{DEVICE_SWI(0x1199, 0x9091)},	/* Sierra Wireless EM7565 */
 	{DEVICE_SWI(0x1199, 0x90d2)},	/* Sierra Wireless EM9191 QDL */
+	{DEVICE_SWI(0x1199, 0xc080)},	/* Sierra Wireless EM7590 QDL */
+	{DEVICE_SWI(0x1199, 0xc081)},	/* Sierra Wireless EM7590 */
 	{DEVICE_SWI(0x413c, 0x81a2)},	/* Dell Wireless 5806 Gobi(TM) 4G LTE Mobile Broadband Card */
 	{DEVICE_SWI(0x413c, 0x81a3)},	/* Dell Wireless 5570 HSPA+ (42Mbps) Mobile Broadband Card */
 	{DEVICE_SWI(0x413c, 0x81a4)},	/* Dell Wireless 5570e HSPA+ (42Mbps) Mobile Broadband Card */
diff --git a/drivers/usb/serial/whiteheat.c b/drivers/usb/serial/whiteheat.c
index 163ede42af20..b617a8fa9618 100644
--- a/drivers/usb/serial/whiteheat.c
+++ b/drivers/usb/serial/whiteheat.c
@@ -615,9 +615,8 @@ static int firm_send_command(struct usb_serial_port *port, __u8 command,
 		switch (command) {
 		case WHITEHEAT_GET_DTR_RTS:
 			info = usb_get_serial_port_data(port);
-			memcpy(&info->mcr, command_info->result_buffer,
-					sizeof(struct whiteheat_dr_info));
-				break;
+			info->mcr = command_info->result_buffer[0];
+			break;
 		}
 	}
 exit:
diff --git a/fs/btrfs/tree-log.c b/fs/btrfs/tree-log.c
index 8f2c7aa2e91a..22b86440cfa5 100644
--- a/fs/btrfs/tree-log.c
+++ b/fs/btrfs/tree-log.c
@@ -4868,6 +4868,18 @@ static int btrfs_log_inode(struct btrfs_trans_handle *trans,
 		mutex_lock(&inode->log_mutex);
 	}
 
+	/*
+	 * For symlinks, we must always log their content, which is stored in an
+	 * inline extent, otherwise we could end up with an empty symlink after
+	 * log replay, which is invalid on linux (symlink(2) returns -ENOENT if
+	 * one attempts to create an empty symlink).
+	 * We don't need to worry about flushing delalloc, because when we create
+	 * the inline extent when the symlink is created (we never have delalloc
+	 * for symlinks).
+	 */
+	if (S_ISLNK(inode->vfs_inode.i_mode))
+		inode_only = LOG_INODE_ALL;
+
 	/*
 	 * a brute force approach to making sure we get the most uptodate
 	 * copies of everything.
@@ -5430,7 +5442,7 @@ process_leaf:
 			}
 
 			ctx->log_new_dentries = false;
-			if (type == BTRFS_FT_DIR || type == BTRFS_FT_SYMLINK)
+			if (type == BTRFS_FT_DIR)
 				log_mode = LOG_INODE_ALL;
 			ret = btrfs_log_inode(trans, root, BTRFS_I(di_inode),
 					      log_mode, 0, LLONG_MAX, ctx);
diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c
index dba0d12c3db1..1d3f98572068 100644
--- a/fs/cifs/cifsfs.c
+++ b/fs/cifs/cifsfs.c
@@ -773,7 +773,7 @@ cifs_loose_read_iter(struct kiocb *iocb, struct iov_iter *iter)
 	ssize_t rc;
 	struct inode *inode = file_inode(iocb->ki_filp);
 
-	if (iocb->ki_filp->f_flags & O_DIRECT)
+	if (iocb->ki_flags & IOCB_DIRECT)
 		return cifs_user_readv(iocb, iter);
 
 	rc = cifs_revalidate_mapping(inode);
diff --git a/fs/cifs/smb2ops.c b/fs/cifs/smb2ops.c
index ba56c00f2650..3280a801b1d7 100644
--- a/fs/cifs/smb2ops.c
+++ b/fs/cifs/smb2ops.c
@@ -855,9 +855,17 @@ smb2_copychunk_range(const unsigned int xid,
 	int chunks_copied = 0;
 	bool chunk_sizes_updated = false;
 	ssize_t bytes_written, total_bytes_written = 0;
+	struct inode *inode;
 
 	pcchunk = kmalloc(sizeof(struct copychunk_ioctl), GFP_KERNEL);
 
+	/*
+	 * We need to flush all unwritten data before we can send the
+	 * copychunk ioctl to the server.
+	 */
+	inode = d_inode(trgtfile->dentry);
+	filemap_write_and_wait(inode->i_mapping);
+
 	if (pcchunk == NULL)
 		return -ENOMEM;
 
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index 73908d518624..557eafe80d53 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -4293,7 +4293,8 @@ int ext4_punch_hole(struct inode *inode, loff_t offset, loff_t length)
 	struct super_block *sb = inode->i_sb;
 	ext4_lblk_t first_block, stop_block;
 	struct address_space *mapping = inode->i_mapping;
-	loff_t first_block_offset, last_block_offset;
+	loff_t first_block_offset, last_block_offset, max_length;
+	struct ext4_sb_info *sbi = EXT4_SB(inode->i_sb);
 	handle_t *handle;
 	unsigned int credits;
 	int ret = 0;
@@ -4339,6 +4340,14 @@ int ext4_punch_hole(struct inode *inode, loff_t offset, loff_t length)
 		   offset;
 	}
 
+	/*
+	 * For punch hole the length + offset needs to be within one block
+	 * before last range. Adjust the length if it goes beyond that limit.
+	 */
+	max_length = sbi->s_bitmap_maxbytes - inode->i_sb->s_blocksize;
+	if (offset + length > max_length)
+		length = max_length - offset;
+
 	if (offset & (sb->s_blocksize - 1) ||
 	    (offset + length) & (sb->s_blocksize - 1)) {
 		/*
diff --git a/fs/ext4/page-io.c b/fs/ext4/page-io.c
index bc95200c858b..1671d2dce701 100644
--- a/fs/ext4/page-io.c
+++ b/fs/ext4/page-io.c
@@ -100,8 +100,10 @@ static void ext4_finish_bio(struct bio *bio)
 				continue;
 			}
 			clear_buffer_async_write(bh);
-			if (bio->bi_status)
+			if (bio->bi_status) {
+				set_buffer_write_io_error(bh);
 				buffer_io_error(bh);
+			}
 		} while ((bh = bh->b_this_page) != head);
 		bit_spin_unlock(BH_Uptodate_Lock, &head->b_state);
 		local_irq_restore(flags);
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 22c8566bd59a..93b411f95fb3 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -3462,9 +3462,11 @@ static int count_overhead(struct super_block *sb, ext4_group_t grp,
 	ext4_fsblk_t		first_block, last_block, b;
 	ext4_group_t		i, ngroups = ext4_get_groups_count(sb);
 	int			s, j, count = 0;
+	int			has_super = ext4_bg_has_super(sb, grp);
 
 	if (!ext4_has_feature_bigalloc(sb))
-		return (ext4_bg_has_super(sb, grp) + ext4_bg_num_gdb(sb, grp) +
+		return (has_super + ext4_bg_num_gdb(sb, grp) +
+			(has_super ? le16_to_cpu(sbi->s_es->s_reserved_gdt_blocks) : 0) +
 			sbi->s_itb_per_group + 2);
 
 	first_block = le32_to_cpu(sbi->s_es->s_first_data_block) +
@@ -4486,9 +4488,18 @@ no_journal:
 	 * Get the # of file system overhead blocks from the
 	 * superblock if present.
 	 */
-	if (es->s_overhead_clusters)
-		sbi->s_overhead = le32_to_cpu(es->s_overhead_clusters);
-	else {
+	sbi->s_overhead = le32_to_cpu(es->s_overhead_clusters);
+	/* ignore the precalculated value if it is ridiculous */
+	if (sbi->s_overhead > ext4_blocks_count(es))
+		sbi->s_overhead = 0;
+	/*
+	 * If the bigalloc feature is not enabled recalculating the
+	 * overhead doesn't take long, so we might as well just redo
+	 * it to make sure we are using the correct value.
+	 */
+	if (!ext4_has_feature_bigalloc(sb))
+		sbi->s_overhead = 0;
+	if (sbi->s_overhead == 0) {
 		err = ext4_calculate_overhead(sb);
 		if (err)
 			goto failed_mount_wq;
diff --git a/fs/gfs2/rgrp.c b/fs/gfs2/rgrp.c
index f4a26759ca38..5b14d4faebbe 100644
--- a/fs/gfs2/rgrp.c
+++ b/fs/gfs2/rgrp.c
@@ -907,15 +907,15 @@ static int read_rindex_entry(struct gfs2_inode *ip)
 	rgd->rd_bitbytes = be32_to_cpu(buf.ri_bitbytes);
 	spin_lock_init(&rgd->rd_rsspin);
 
-	error = compute_bitstructs(rgd);
-	if (error)
-		goto fail;
-
 	error = gfs2_glock_get(sdp, rgd->rd_addr,
 			       &gfs2_rgrp_glops, CREATE, &rgd->rd_gl);
 	if (error)
 		goto fail;
 
+	error = compute_bitstructs(rgd);
+	if (error)
+		goto fail_glock;
+
 	rgd->rd_rgl = (struct gfs2_rgrp_lvb *)rgd->rd_gl->gl_lksb.sb_lvbptr;
 	rgd->rd_flags &= ~(GFS2_RDF_UPTODATE | GFS2_RDF_PREFERRED);
 	if (rgd->rd_data > sdp->sd_max_rg_data)
@@ -932,6 +932,7 @@ static int read_rindex_entry(struct gfs2_inode *ip)
 	}
 
 	error = 0; /* someone else read in the rgrp; free it and ignore it */
+fail_glock:
 	gfs2_glock_put(rgd->rd_gl);
 
 fail:
diff --git a/fs/namespace.c b/fs/namespace.c
index 7f598704f772..d772fe46e6b5 100644
--- a/fs/namespace.c
+++ b/fs/namespace.c
@@ -2629,9 +2629,12 @@ static int do_new_mount(struct path *path, const char *fstype, int sb_flags,
 		return -ENODEV;
 
 	mnt = vfs_kern_mount(type, sb_flags, name, data);
-	if (!IS_ERR(mnt) && (type->fs_flags & FS_HAS_SUBTYPE) &&
-	    !mnt->mnt_sb->s_subtype)
-		mnt = fs_set_subtype(mnt, fstype);
+	if (!IS_ERR(mnt) && (type->fs_flags & FS_HAS_SUBTYPE)) {
+		down_write(&mnt->mnt_sb->s_umount);
+		if (!mnt->mnt_sb->s_subtype)
+			mnt = fs_set_subtype(mnt, fstype);
+		up_write(&mnt->mnt_sb->s_umount);
+	}
 
 	put_filesystem(type);
 	if (IS_ERR(mnt))
diff --git a/fs/stat.c b/fs/stat.c
index 873785dae022..0fda4b6b8fb2 100644
--- a/fs/stat.c
+++ b/fs/stat.c
@@ -286,9 +286,6 @@ SYSCALL_DEFINE2(fstat, unsigned int, fd, struct __old_kernel_stat __user *, stat
 #  define choose_32_64(a,b) b
 #endif
 
-#define valid_dev(x)  choose_32_64(old_valid_dev(x),true)
-#define encode_dev(x) choose_32_64(old_encode_dev,new_encode_dev)(x)
-
 #ifndef INIT_STRUCT_STAT_PADDING
 #  define INIT_STRUCT_STAT_PADDING(st) memset(&st, 0, sizeof(st))
 #endif
@@ -297,7 +294,9 @@ static int cp_new_stat(struct kstat *stat, struct stat __user *statbuf)
 {
 	struct stat tmp;
 
-	if (!valid_dev(stat->dev) || !valid_dev(stat->rdev))
+	if (sizeof(tmp.st_dev) < 4 && !old_valid_dev(stat->dev))
+		return -EOVERFLOW;
+	if (sizeof(tmp.st_rdev) < 4 && !old_valid_dev(stat->rdev))
 		return -EOVERFLOW;
 #if BITS_PER_LONG == 32
 	if (stat->size > MAX_NON_LFS)
@@ -305,7 +304,7 @@ static int cp_new_stat(struct kstat *stat, struct stat __user *statbuf)
 #endif
 
 	INIT_STRUCT_STAT_PADDING(tmp);
-	tmp.st_dev = encode_dev(stat->dev);
+	tmp.st_dev = new_encode_dev(stat->dev);
 	tmp.st_ino = stat->ino;
 	if (sizeof(tmp.st_ino) < sizeof(stat->ino) && tmp.st_ino != stat->ino)
 		return -EOVERFLOW;
@@ -315,7 +314,7 @@ static int cp_new_stat(struct kstat *stat, struct stat __user *statbuf)
 		return -EOVERFLOW;
 	SET_UID(tmp.st_uid, from_kuid_munged(current_user_ns(), stat->uid));
 	SET_GID(tmp.st_gid, from_kgid_munged(current_user_ns(), stat->gid));
-	tmp.st_rdev = encode_dev(stat->rdev);
+	tmp.st_rdev = new_encode_dev(stat->rdev);
 	tmp.st_size = stat->size;
 	tmp.st_atime = stat->atime.tv_sec;
 	tmp.st_mtime = stat->mtime.tv_sec;
@@ -582,11 +581,13 @@ static int cp_compat_stat(struct kstat *stat, struct compat_stat __user *ubuf)
 {
 	struct compat_stat tmp;
 
-	if (!old_valid_dev(stat->dev) || !old_valid_dev(stat->rdev))
+	if (sizeof(tmp.st_dev) < 4 && !old_valid_dev(stat->dev))
+		return -EOVERFLOW;
+	if (sizeof(tmp.st_rdev) < 4 && !old_valid_dev(stat->rdev))
 		return -EOVERFLOW;
 
 	memset(&tmp, 0, sizeof(tmp));
-	tmp.st_dev = old_encode_dev(stat->dev);
+	tmp.st_dev = new_encode_dev(stat->dev);
 	tmp.st_ino = stat->ino;
 	if (sizeof(tmp.st_ino) < sizeof(stat->ino) && tmp.st_ino != stat->ino)
 		return -EOVERFLOW;
@@ -596,7 +597,7 @@ static int cp_compat_stat(struct kstat *stat, struct compat_stat __user *ubuf)
 		return -EOVERFLOW;
 	SET_UID(tmp.st_uid, from_kuid_munged(current_user_ns(), stat->uid));
 	SET_GID(tmp.st_gid, from_kgid_munged(current_user_ns(), stat->gid));
-	tmp.st_rdev = old_encode_dev(stat->rdev);
+	tmp.st_rdev = new_encode_dev(stat->rdev);
 	if ((u64) stat->size > MAX_NON_LFS)
 		return -EOVERFLOW;
 	tmp.st_size = stat->size;
diff --git a/include/linux/etherdevice.h b/include/linux/etherdevice.h
index c643cc7fefb5..091369024932 100644
--- a/include/linux/etherdevice.h
+++ b/include/linux/etherdevice.h
@@ -130,7 +130,7 @@ static inline bool is_multicast_ether_addr(const u8 *addr)
 #endif
 }
 
-static inline bool is_multicast_ether_addr_64bits(const u8 addr[6+2])
+static inline bool is_multicast_ether_addr_64bits(const u8 *addr)
 {
 #if defined(CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS) && BITS_PER_LONG == 64
 #ifdef __BIG_ENDIAN
@@ -344,8 +344,7 @@ static inline bool ether_addr_equal(const u8 *addr1, const u8 *addr2)
  * Please note that alignment of addr1 & addr2 are only guaranteed to be 16 bits.
  */
 
-static inline bool ether_addr_equal_64bits(const u8 addr1[6+2],
-					   const u8 addr2[6+2])
+static inline bool ether_addr_equal_64bits(const u8 *addr1, const u8 *addr2)
 {
 #if defined(CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS) && BITS_PER_LONG == 64
 	u64 fold = (*(const u64 *)addr1) ^ (*(const u64 *)addr2);
diff --git a/include/linux/kernel.h b/include/linux/kernel.h
index bb7baecef002..22b914665595 100644
--- a/include/linux/kernel.h
+++ b/include/linux/kernel.h
@@ -582,7 +582,7 @@ static inline char *hex_byte_pack_upper(char *buf, u8 byte)
 	return buf;
 }
 
-extern int hex_to_bin(char ch);
+extern int hex_to_bin(unsigned char ch);
 extern int __must_check hex2bin(u8 *dst, const char *src, size_t count);
 extern char *bin2hex(char *dst, const void *src, size_t count);
 
diff --git a/include/linux/netdev_features.h b/include/linux/netdev_features.h
index f6da8abd1b41..7128d5f104d6 100644
--- a/include/linux/netdev_features.h
+++ b/include/linux/netdev_features.h
@@ -152,7 +152,7 @@ enum {
 #define NETIF_F_GSO_UDP_L4	__NETIF_F(GSO_UDP_L4)
 #define NETIF_F_HW_MACSEC      __NETIF_F(HW_MACSEC)
 
-/* Finds the next feature with the highest number of the range of start till 0.
+/* Finds the next feature with the highest number of the range of start-1 till 0.
  */
 static inline int find_next_netdev_feature(u64 feature, unsigned long start)
 {
@@ -171,7 +171,7 @@ static inline int find_next_netdev_feature(u64 feature, unsigned long start)
 	for ((bit) = find_next_netdev_feature((mask_addr),		\
 					      NETDEV_FEATURE_COUNT);	\
 	     (bit) >= 0;						\
-	     (bit) = find_next_netdev_feature((mask_addr), (bit) - 1))
+	     (bit) = find_next_netdev_feature((mask_addr), (bit)))
 
 /* Features valid for ethtool to change */
 /* = all defined minus driver/device-class-related */
diff --git a/include/net/ax25.h b/include/net/ax25.h
index e667bca42ca4..5db7b4c9256d 100644
--- a/include/net/ax25.h
+++ b/include/net/ax25.h
@@ -235,6 +235,7 @@ typedef struct ax25_dev {
 #if defined(CONFIG_AX25_DAMA_SLAVE) || defined(CONFIG_AX25_DAMA_MASTER)
 	ax25_dama_info		dama;
 #endif
+	refcount_t		refcount;
 } ax25_dev;
 
 typedef struct ax25_cb {
@@ -289,6 +290,17 @@ static __inline__ void ax25_cb_put(ax25_cb *ax25)
 	}
 }
 
+static inline void ax25_dev_hold(ax25_dev *ax25_dev)
+{
+	refcount_inc(&ax25_dev->refcount);
+}
+
+static inline void ax25_dev_put(ax25_dev *ax25_dev)
+{
+	if (refcount_dec_and_test(&ax25_dev->refcount)) {
+		kfree(ax25_dev);
+	}
+}
 static inline __be16 ax25_type_trans(struct sk_buff *skb, struct net_device *dev)
 {
 	skb->dev      = dev;
diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h
index 51afaaa68408..d42288a06af6 100644
--- a/include/net/bluetooth/hci_core.h
+++ b/include/net/bluetooth/hci_core.h
@@ -34,6 +34,9 @@
 /* HCI priority */
 #define HCI_PRIO_MAX	7
 
+/* HCI maximum id value */
+#define HCI_MAX_ID 10000
+
 /* HCI Core structures */
 struct inquiry_data {
 	bdaddr_t	bdaddr;
diff --git a/include/net/inet_hashtables.h b/include/net/inet_hashtables.h
index 573ab110c9ec..e5f4d2711404 100644
--- a/include/net/inet_hashtables.h
+++ b/include/net/inet_hashtables.h
@@ -215,8 +215,9 @@ void inet_put_port(struct sock *sk);
 
 void inet_hashinfo_init(struct inet_hashinfo *h);
 
-bool inet_ehash_insert(struct sock *sk, struct sock *osk);
-bool inet_ehash_nolisten(struct sock *sk, struct sock *osk);
+bool inet_ehash_insert(struct sock *sk, struct sock *osk, bool *found_dup_sk);
+bool inet_ehash_nolisten(struct sock *sk, struct sock *osk,
+			 bool *found_dup_sk);
 int __inet_hash(struct sock *sk, struct sock *osk);
 int inet_hash(struct sock *sk);
 void inet_unhash(struct sock *sk);
diff --git a/include/net/tcp.h b/include/net/tcp.h
index a9b3bc7c93f7..654a25471d07 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -601,6 +601,7 @@ void tcp_synack_rtt_meas(struct sock *sk, struct request_sock *req);
 void tcp_reset(struct sock *sk);
 void tcp_skb_mark_lost_uncond_verify(struct tcp_sock *tp, struct sk_buff *skb);
 void tcp_fin(struct sock *sk);
+void tcp_check_space(struct sock *sk);
 
 /* tcp_timer.c */
 void tcp_init_xmit_timers(struct sock *);
diff --git a/include/sound/pcm.h b/include/sound/pcm.h
index fc3530218361..267ebc103bac 100644
--- a/include/sound/pcm.h
+++ b/include/sound/pcm.h
@@ -414,6 +414,8 @@ struct snd_pcm_runtime {
 	wait_queue_head_t sleep;	/* poll sleep */
 	wait_queue_head_t tsleep;	/* transfer sleep */
 	struct fasync_struct *fasync;
+	struct mutex buffer_mutex;	/* protect for buffer changes */
+	atomic_t buffer_accessing;	/* >0: in r/w operation, <0: blocked */
 
 	/* -- private section -- */
 	void *private_data;
diff --git a/kernel/cgroup/cpuset.c b/kernel/cgroup/cpuset.c
index a044cb9fc0e3..7814f4f0e0c3 100644
--- a/kernel/cgroup/cpuset.c
+++ b/kernel/cgroup/cpuset.c
@@ -2435,8 +2435,11 @@ static struct notifier_block cpuset_track_online_nodes_nb = {
  */
 void __init cpuset_init_smp(void)
 {
-	cpumask_copy(top_cpuset.cpus_allowed, cpu_active_mask);
-	top_cpuset.mems_allowed = node_states[N_MEMORY];
+	/*
+	 * cpus_allowd/mems_allowed set to v2 values in the initial
+	 * cpuset_bind() call will be reset to v1 values in another
+	 * cpuset_bind() call when v1 cpuset is mounted.
+	 */
 	top_cpuset.old_mems_allowed = top_cpuset.mems_allowed;
 
 	cpumask_copy(top_cpuset.effective_cpus, cpu_active_mask);
diff --git a/kernel/events/core.c b/kernel/events/core.c
index 5e479daa0add..70639256ab82 100644
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -10647,6 +10647,9 @@ SYSCALL_DEFINE5(perf_event_open,
 		 * Do not allow to attach to a group in a different task
 		 * or CPU context. If we're moving SW events, we'll fix
 		 * this up later, so allow that.
+		 *
+		 * Racy, not holding group_leader->ctx->mutex, see comment with
+		 * perf_event_ctx_lock().
 		 */
 		if (!move_group && group_leader->ctx != ctx)
 			goto err_context;
@@ -10696,11 +10699,22 @@ SYSCALL_DEFINE5(perf_event_open,
 			} else {
 				perf_event_ctx_unlock(group_leader, gctx);
 				move_group = 0;
+				goto not_move_group;
 			}
 		}
 	} else {
 		mutex_lock(&ctx->mutex);
+
+		/*
+		 * Now that we hold ctx->lock, (re)validate group_leader->ctx == ctx,
+		 * see the group_leader && !move_group test earlier.
+		 */
+		if (group_leader && group_leader->ctx != ctx) {
+			err = -EINVAL;
+			goto err_locked;
+		}
 	}
+not_move_group:
 
 	if (ctx->task == TASK_TOMBSTONE) {
 		err = -ESRCH;
diff --git a/kernel/trace/trace_events_trigger.c b/kernel/trace/trace_events_trigger.c
index 13f501337308..40c1a2dd48f0 100644
--- a/kernel/trace/trace_events_trigger.c
+++ b/kernel/trace/trace_events_trigger.c
@@ -932,6 +932,16 @@ void set_named_trigger_data(struct event_trigger_data *data,
 static void
 traceon_trigger(struct event_trigger_data *data, void *rec)
 {
+	struct trace_event_file *file = data->private_data;
+
+	if (file) {
+		if (tracer_tracing_is_on(file->tr))
+			return;
+
+		tracer_tracing_on(file->tr);
+		return;
+	}
+
 	if (tracing_is_on())
 		return;
 
@@ -941,8 +951,15 @@ traceon_trigger(struct event_trigger_data *data, void *rec)
 static void
 traceon_count_trigger(struct event_trigger_data *data, void *rec)
 {
-	if (tracing_is_on())
-		return;
+	struct trace_event_file *file = data->private_data;
+
+	if (file) {
+		if (tracer_tracing_is_on(file->tr))
+			return;
+	} else {
+		if (tracing_is_on())
+			return;
+	}
 
 	if (!data->count)
 		return;
@@ -950,12 +967,25 @@ traceon_count_trigger(struct event_trigger_data *data, void *rec)
 	if (data->count != -1)
 		(data->count)--;
 
-	tracing_on();
+	if (file)
+		tracer_tracing_on(file->tr);
+	else
+		tracing_on();
 }
 
 static void
 traceoff_trigger(struct event_trigger_data *data, void *rec)
 {
+	struct trace_event_file *file = data->private_data;
+
+	if (file) {
+		if (!tracer_tracing_is_on(file->tr))
+			return;
+
+		tracer_tracing_off(file->tr);
+		return;
+	}
+
 	if (!tracing_is_on())
 		return;
 
@@ -965,8 +995,15 @@ traceoff_trigger(struct event_trigger_data *data, void *rec)
 static void
 traceoff_count_trigger(struct event_trigger_data *data, void *rec)
 {
-	if (!tracing_is_on())
-		return;
+	struct trace_event_file *file = data->private_data;
+
+	if (file) {
+		if (!tracer_tracing_is_on(file->tr))
+			return;
+	} else {
+		if (!tracing_is_on())
+			return;
+	}
 
 	if (!data->count)
 		return;
@@ -974,7 +1011,10 @@ traceoff_count_trigger(struct event_trigger_data *data, void *rec)
 	if (data->count != -1)
 		(data->count)--;
 
-	tracing_off();
+	if (file)
+		tracer_tracing_off(file->tr);
+	else
+		tracing_off();
 }
 
 static int
@@ -1156,7 +1196,14 @@ static __init int register_trigger_snapshot_cmd(void) { return 0; }
 static void
 stacktrace_trigger(struct event_trigger_data *data, void *rec)
 {
-	trace_dump_stack(STACK_SKIP);
+	struct trace_event_file *file = data->private_data;
+	unsigned long flags;
+
+	if (file) {
+		local_save_flags(flags);
+		__trace_stack(file->tr, flags, STACK_SKIP, preempt_count());
+	} else
+		trace_dump_stack(STACK_SKIP);
 }
 
 static void
diff --git a/lib/hexdump.c b/lib/hexdump.c
index 81b70ed37209..fa2fab854f74 100644
--- a/lib/hexdump.c
+++ b/lib/hexdump.c
@@ -25,15 +25,33 @@ EXPORT_SYMBOL(hex_asc_upper);
  *
  * hex_to_bin() converts one hex digit to its actual value or -1 in case of bad
  * input.
+ *
+ * This function is used to load cryptographic keys, so it is coded in such a
+ * way that there are no conditions or memory accesses that depend on data.
+ *
+ * Explanation of the logic:
+ * (ch - '9' - 1) is negative if ch <= '9'
+ * ('0' - 1 - ch) is negative if ch >= '0'
+ * we "and" these two values, so the result is negative if ch is in the range
+ *	'0' ... '9'
+ * we are only interested in the sign, so we do a shift ">> 8"; note that right
+ *	shift of a negative value is implementation-defined, so we cast the
+ *	value to (unsigned) before the shift --- we have 0xffffff if ch is in
+ *	the range '0' ... '9', 0 otherwise
+ * we "and" this value with (ch - '0' + 1) --- we have a value 1 ... 10 if ch is
+ *	in the range '0' ... '9', 0 otherwise
+ * we add this value to -1 --- we have a value 0 ... 9 if ch is in the range '0'
+ *	... '9', -1 otherwise
+ * the next line is similar to the previous one, but we need to decode both
+ *	uppercase and lowercase letters, so we use (ch & 0xdf), which converts
+ *	lowercase to uppercase
  */
-int hex_to_bin(char ch)
+int hex_to_bin(unsigned char ch)
 {
-	if ((ch >= '0') && (ch <= '9'))
-		return ch - '0';
-	ch = tolower(ch);
-	if ((ch >= 'a') && (ch <= 'f'))
-		return ch - 'a' + 10;
-	return -1;
+	unsigned char cu = ch & 0xdf;
+	return -1 +
+		((ch - '0' +  1) & (unsigned)((ch - '9' - 1) & ('0' - 1 - ch)) >> 8) +
+		((cu - 'A' + 11) & (unsigned)((cu - 'F' - 1) & ('A' - 1 - cu)) >> 8);
 }
 EXPORT_SYMBOL(hex_to_bin);
 
@@ -48,10 +66,13 @@ EXPORT_SYMBOL(hex_to_bin);
 int hex2bin(u8 *dst, const char *src, size_t count)
 {
 	while (count--) {
-		int hi = hex_to_bin(*src++);
-		int lo = hex_to_bin(*src++);
+		int hi, lo;
 
-		if ((hi < 0) || (lo < 0))
+		hi = hex_to_bin(*src++);
+		if (unlikely(hi < 0))
+			return -EINVAL;
+		lo = hex_to_bin(*src++);
+		if (unlikely(lo < 0))
 			return -EINVAL;
 
 		*dst++ = (hi << 4) | lo;
diff --git a/lib/swiotlb.c b/lib/swiotlb.c
index e73617b11af1..bdc2b89870e3 100644
--- a/lib/swiotlb.c
+++ b/lib/swiotlb.c
@@ -600,10 +600,14 @@ found:
 	 */
 	for (i = 0; i < nslots; i++)
 		io_tlb_orig_addr[index+i] = orig_addr + (i << IO_TLB_SHIFT);
-	if (!(attrs & DMA_ATTR_SKIP_CPU_SYNC) &&
-	    (dir == DMA_TO_DEVICE || dir == DMA_BIDIRECTIONAL))
-		swiotlb_bounce(orig_addr, tlb_addr, size, DMA_TO_DEVICE);
-
+	/*
+	 * When dir == DMA_FROM_DEVICE we could omit the copy from the orig
+	 * to the tlb buffer, if we knew for sure the device will
+	 * overwirte the entire current content. But we don't. Thus
+	 * unconditional bounce may prevent leaking swiotlb content (i.e.
+	 * kernel memory) to user-space.
+	 */
+	swiotlb_bounce(orig_addr, tlb_addr, size, DMA_TO_DEVICE);
 	return tlb_addr;
 }
 EXPORT_SYMBOL_GPL(swiotlb_tbl_map_single);
diff --git a/mm/memory.c b/mm/memory.c
index 01856cda5b0d..55cc0825b71c 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -4858,6 +4858,8 @@ long copy_huge_page_from_user(struct page *dst_page,
 		if (rc)
 			break;
 
+		flush_dcache_page(subpage);
+
 		cond_resched();
 	}
 	return ret_val;
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 8b15c1a76a87..b5cd0f6f4770 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -6959,7 +6959,7 @@ void __init mem_init_print_info(const char *str)
 	 */
 #define adj_init_size(start, end, size, pos, adj) \
 	do { \
-		if (start <= pos && pos < end && size > adj) \
+		if (&start[0] <= &pos[0] && &pos[0] < &end[0] && size > adj) \
 			size -= adj; \
 	} while (0)
 
diff --git a/mm/userfaultfd.c b/mm/userfaultfd.c
index ee8a68863089..3f08453e703d 100644
--- a/mm/userfaultfd.c
+++ b/mm/userfaultfd.c
@@ -56,6 +56,8 @@ static int mcopy_atomic_pte(struct mm_struct *dst_mm,
 			/* don't free the page */
 			goto out;
 		}
+
+		flush_dcache_page(page);
 	} else {
 		page = *pagep;
 		*pagep = NULL;
@@ -565,6 +567,7 @@ retry:
 				err = -EFAULT;
 				goto out;
 			}
+			flush_dcache_page(page);
 			goto retry;
 		} else
 			BUG_ON(page);
diff --git a/net/ax25/af_ax25.c b/net/ax25/af_ax25.c
index 466f9e3883c8..20babe8fdbd1 100644
--- a/net/ax25/af_ax25.c
+++ b/net/ax25/af_ax25.c
@@ -92,17 +92,21 @@ again:
 			sk = s->sk;
 			if (!sk) {
 				spin_unlock_bh(&ax25_list_lock);
-				s->ax25_dev = NULL;
 				ax25_disconnect(s, ENETUNREACH);
+				s->ax25_dev = NULL;
 				spin_lock_bh(&ax25_list_lock);
 				goto again;
 			}
 			sock_hold(sk);
 			spin_unlock_bh(&ax25_list_lock);
 			lock_sock(sk);
-			s->ax25_dev = NULL;
-			release_sock(sk);
 			ax25_disconnect(s, ENETUNREACH);
+			s->ax25_dev = NULL;
+			if (sk->sk_socket) {
+				dev_put(ax25_dev->dev);
+				ax25_dev_put(ax25_dev);
+			}
+			release_sock(sk);
 			spin_lock_bh(&ax25_list_lock);
 			sock_put(sk);
 			/* The entry could have been deleted from the
@@ -369,21 +373,25 @@ static int ax25_ctl_ioctl(const unsigned int cmd, void __user *arg)
 	if (copy_from_user(&ax25_ctl, arg, sizeof(ax25_ctl)))
 		return -EFAULT;
 
-	if ((ax25_dev = ax25_addr_ax25dev(&ax25_ctl.port_addr)) == NULL)
-		return -ENODEV;
-
 	if (ax25_ctl.digi_count > AX25_MAX_DIGIS)
 		return -EINVAL;
 
 	if (ax25_ctl.arg > ULONG_MAX / HZ && ax25_ctl.cmd != AX25_KILL)
 		return -EINVAL;
 
+	ax25_dev = ax25_addr_ax25dev(&ax25_ctl.port_addr);
+	if (!ax25_dev)
+		return -ENODEV;
+
 	digi.ndigi = ax25_ctl.digi_count;
 	for (k = 0; k < digi.ndigi; k++)
 		digi.calls[k] = ax25_ctl.digi_addr[k];
 
-	if ((ax25 = ax25_find_cb(&ax25_ctl.source_addr, &ax25_ctl.dest_addr, &digi, ax25_dev->dev)) == NULL)
+	ax25 = ax25_find_cb(&ax25_ctl.source_addr, &ax25_ctl.dest_addr, &digi, ax25_dev->dev);
+	if (!ax25) {
+		ax25_dev_put(ax25_dev);
 		return -ENOTCONN;
+	}
 
 	switch (ax25_ctl.cmd) {
 	case AX25_KILL:
@@ -450,6 +458,7 @@ static int ax25_ctl_ioctl(const unsigned int cmd, void __user *arg)
 	  }
 
 out_put:
+	ax25_dev_put(ax25_dev);
 	ax25_cb_put(ax25);
 	return ret;
 
@@ -975,14 +984,16 @@ static int ax25_release(struct socket *sock)
 {
 	struct sock *sk = sock->sk;
 	ax25_cb *ax25;
+	ax25_dev *ax25_dev;
 
 	if (sk == NULL)
 		return 0;
 
 	sock_hold(sk);
-	sock_orphan(sk);
 	lock_sock(sk);
+	sock_orphan(sk);
 	ax25 = sk_to_ax25(sk);
+	ax25_dev = ax25->ax25_dev;
 
 	if (sk->sk_type == SOCK_SEQPACKET) {
 		switch (ax25->state) {
@@ -1044,6 +1055,15 @@ static int ax25_release(struct socket *sock)
 		sk->sk_state_change(sk);
 		ax25_destroy_socket(ax25);
 	}
+	if (ax25_dev) {
+		del_timer_sync(&ax25->timer);
+		del_timer_sync(&ax25->t1timer);
+		del_timer_sync(&ax25->t2timer);
+		del_timer_sync(&ax25->t3timer);
+		del_timer_sync(&ax25->idletimer);
+		dev_put(ax25_dev->dev);
+		ax25_dev_put(ax25_dev);
+	}
 
 	sock->sk   = NULL;
 	release_sock(sk);
@@ -1120,8 +1140,10 @@ static int ax25_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len)
 		}
 	}
 
-	if (ax25_dev != NULL)
+	if (ax25_dev) {
 		ax25_fillin_cb(ax25, ax25_dev);
+		dev_hold(ax25_dev->dev);
+	}
 
 done:
 	ax25_cb_add(ax25);
diff --git a/net/ax25/ax25_dev.c b/net/ax25/ax25_dev.c
index d92195cd7834..55a611f7239b 100644
--- a/net/ax25/ax25_dev.c
+++ b/net/ax25/ax25_dev.c
@@ -40,6 +40,7 @@ ax25_dev *ax25_addr_ax25dev(ax25_address *addr)
 	for (ax25_dev = ax25_dev_list; ax25_dev != NULL; ax25_dev = ax25_dev->next)
 		if (ax25cmp(addr, (ax25_address *)ax25_dev->dev->dev_addr) == 0) {
 			res = ax25_dev;
+			ax25_dev_hold(ax25_dev);
 		}
 	spin_unlock_bh(&ax25_dev_lock);
 
@@ -59,6 +60,7 @@ void ax25_dev_device_up(struct net_device *dev)
 		return;
 	}
 
+	refcount_set(&ax25_dev->refcount, 1);
 	dev->ax25_ptr     = ax25_dev;
 	ax25_dev->dev     = dev;
 	dev_hold(dev);
@@ -87,6 +89,7 @@ void ax25_dev_device_up(struct net_device *dev)
 	ax25_dev->next = ax25_dev_list;
 	ax25_dev_list  = ax25_dev;
 	spin_unlock_bh(&ax25_dev_lock);
+	ax25_dev_hold(ax25_dev);
 
 	ax25_register_dev_sysctl(ax25_dev);
 }
@@ -116,9 +119,10 @@ void ax25_dev_device_down(struct net_device *dev)
 	if ((s = ax25_dev_list) == ax25_dev) {
 		ax25_dev_list = s->next;
 		spin_unlock_bh(&ax25_dev_lock);
+		ax25_dev_put(ax25_dev);
 		dev->ax25_ptr = NULL;
 		dev_put(dev);
-		kfree(ax25_dev);
+		ax25_dev_put(ax25_dev);
 		return;
 	}
 
@@ -126,9 +130,10 @@ void ax25_dev_device_down(struct net_device *dev)
 		if (s->next == ax25_dev) {
 			s->next = ax25_dev->next;
 			spin_unlock_bh(&ax25_dev_lock);
+			ax25_dev_put(ax25_dev);
 			dev->ax25_ptr = NULL;
 			dev_put(dev);
-			kfree(ax25_dev);
+			ax25_dev_put(ax25_dev);
 			return;
 		}
 
@@ -136,6 +141,7 @@ void ax25_dev_device_down(struct net_device *dev)
 	}
 	spin_unlock_bh(&ax25_dev_lock);
 	dev->ax25_ptr = NULL;
+	ax25_dev_put(ax25_dev);
 }
 
 int ax25_fwd_ioctl(unsigned int cmd, struct ax25_fwd_struct *fwd)
@@ -147,20 +153,32 @@ int ax25_fwd_ioctl(unsigned int cmd, struct ax25_fwd_struct *fwd)
 
 	switch (cmd) {
 	case SIOCAX25ADDFWD:
-		if ((fwd_dev = ax25_addr_ax25dev(&fwd->port_to)) == NULL)
+		fwd_dev = ax25_addr_ax25dev(&fwd->port_to);
+		if (!fwd_dev) {
+			ax25_dev_put(ax25_dev);
 			return -EINVAL;
-		if (ax25_dev->forward != NULL)
+		}
+		if (ax25_dev->forward) {
+			ax25_dev_put(fwd_dev);
+			ax25_dev_put(ax25_dev);
 			return -EINVAL;
+		}
 		ax25_dev->forward = fwd_dev->dev;
+		ax25_dev_put(fwd_dev);
+		ax25_dev_put(ax25_dev);
 		break;
 
 	case SIOCAX25DELFWD:
-		if (ax25_dev->forward == NULL)
+		if (!ax25_dev->forward) {
+			ax25_dev_put(ax25_dev);
 			return -EINVAL;
+		}
 		ax25_dev->forward = NULL;
+		ax25_dev_put(ax25_dev);
 		break;
 
 	default:
+		ax25_dev_put(ax25_dev);
 		return -EINVAL;
 	}
 
diff --git a/net/ax25/ax25_route.c b/net/ax25/ax25_route.c
index b8e1a5e6a9d3..7d4c86f11b0f 100644
--- a/net/ax25/ax25_route.c
+++ b/net/ax25/ax25_route.c
@@ -78,11 +78,13 @@ static int __must_check ax25_rt_add(struct ax25_routes_struct *route)
 	ax25_dev *ax25_dev;
 	int i;
 
-	if ((ax25_dev = ax25_addr_ax25dev(&route->port_addr)) == NULL)
-		return -EINVAL;
 	if (route->digi_count > AX25_MAX_DIGIS)
 		return -EINVAL;
 
+	ax25_dev = ax25_addr_ax25dev(&route->port_addr);
+	if (!ax25_dev)
+		return -EINVAL;
+
 	write_lock_bh(&ax25_route_lock);
 
 	ax25_rt = ax25_route_list;
@@ -94,6 +96,7 @@ static int __must_check ax25_rt_add(struct ax25_routes_struct *route)
 			if (route->digi_count != 0) {
 				if ((ax25_rt->digipeat = kmalloc(sizeof(ax25_digi), GFP_ATOMIC)) == NULL) {
 					write_unlock_bh(&ax25_route_lock);
+					ax25_dev_put(ax25_dev);
 					return -ENOMEM;
 				}
 				ax25_rt->digipeat->lastrepeat = -1;
@@ -104,6 +107,7 @@ static int __must_check ax25_rt_add(struct ax25_routes_struct *route)
 				}
 			}
 			write_unlock_bh(&ax25_route_lock);
+			ax25_dev_put(ax25_dev);
 			return 0;
 		}
 		ax25_rt = ax25_rt->next;
@@ -111,6 +115,7 @@ static int __must_check ax25_rt_add(struct ax25_routes_struct *route)
 
 	if ((ax25_rt = kmalloc(sizeof(ax25_route), GFP_ATOMIC)) == NULL) {
 		write_unlock_bh(&ax25_route_lock);
+		ax25_dev_put(ax25_dev);
 		return -ENOMEM;
 	}
 
@@ -123,6 +128,7 @@ static int __must_check ax25_rt_add(struct ax25_routes_struct *route)
 		if ((ax25_rt->digipeat = kmalloc(sizeof(ax25_digi), GFP_ATOMIC)) == NULL) {
 			write_unlock_bh(&ax25_route_lock);
 			kfree(ax25_rt);
+			ax25_dev_put(ax25_dev);
 			return -ENOMEM;
 		}
 		ax25_rt->digipeat->lastrepeat = -1;
@@ -135,6 +141,7 @@ static int __must_check ax25_rt_add(struct ax25_routes_struct *route)
 	ax25_rt->next   = ax25_route_list;
 	ax25_route_list = ax25_rt;
 	write_unlock_bh(&ax25_route_lock);
+	ax25_dev_put(ax25_dev);
 
 	return 0;
 }
@@ -176,6 +183,7 @@ static int ax25_rt_del(struct ax25_routes_struct *route)
 		}
 	}
 	write_unlock_bh(&ax25_route_lock);
+	ax25_dev_put(ax25_dev);
 
 	return 0;
 }
@@ -218,6 +226,7 @@ static int ax25_rt_opt(struct ax25_route_opt_struct *rt_option)
 
 out:
 	write_unlock_bh(&ax25_route_lock);
+	ax25_dev_put(ax25_dev);
 	return err;
 }
 
diff --git a/net/ax25/ax25_subr.c b/net/ax25/ax25_subr.c
index 038b109b2be7..c129865cad9f 100644
--- a/net/ax25/ax25_subr.c
+++ b/net/ax25/ax25_subr.c
@@ -264,12 +264,20 @@ void ax25_disconnect(ax25_cb *ax25, int reason)
 {
 	ax25_clear_queues(ax25);
 
-	if (!ax25->sk || !sock_flag(ax25->sk, SOCK_DESTROY))
-		ax25_stop_heartbeat(ax25);
-	ax25_stop_t1timer(ax25);
-	ax25_stop_t2timer(ax25);
-	ax25_stop_t3timer(ax25);
-	ax25_stop_idletimer(ax25);
+	if (reason == ENETUNREACH) {
+		del_timer_sync(&ax25->timer);
+		del_timer_sync(&ax25->t1timer);
+		del_timer_sync(&ax25->t2timer);
+		del_timer_sync(&ax25->t3timer);
+		del_timer_sync(&ax25->idletimer);
+	} else {
+		if (!ax25->sk || !sock_flag(ax25->sk, SOCK_DESTROY))
+			ax25_stop_heartbeat(ax25);
+		ax25_stop_t1timer(ax25);
+		ax25_stop_t2timer(ax25);
+		ax25_stop_t3timer(ax25);
+		ax25_stop_idletimer(ax25);
+	}
 
 	ax25->state = AX25_STATE_0;
 
diff --git a/net/batman-adv/fragmentation.c b/net/batman-adv/fragmentation.c
index 4842436c55f3..a50c87329bc5 100644
--- a/net/batman-adv/fragmentation.c
+++ b/net/batman-adv/fragmentation.c
@@ -489,6 +489,17 @@ int batadv_frag_send_packet(struct sk_buff *skb,
 		goto free_skb;
 	}
 
+	/* GRO might have added fragments to the fragment list instead of
+	 * frags[]. But this is not handled by skb_split and must be
+	 * linearized to avoid incorrect length information after all
+	 * batman-adv fragments were created and submitted to the
+	 * hard-interface
+	 */
+	if (skb_has_frag_list(skb) && __skb_linearize(skb)) {
+		ret = -ENOMEM;
+		goto free_skb;
+	}
+
 	/* Create one header to be copied to all fragments */
 	frag_header.packet_type = BATADV_UNICAST_FRAG;
 	frag_header.version = BATADV_COMPAT_VERSION;
diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c
index 687b4d0e4c67..a6f186a04fe7 100644
--- a/net/bluetooth/hci_core.c
+++ b/net/bluetooth/hci_core.c
@@ -3100,10 +3100,10 @@ int hci_register_dev(struct hci_dev *hdev)
 	 */
 	switch (hdev->dev_type) {
 	case HCI_PRIMARY:
-		id = ida_simple_get(&hci_index_ida, 0, 0, GFP_KERNEL);
+		id = ida_simple_get(&hci_index_ida, 0, HCI_MAX_ID, GFP_KERNEL);
 		break;
 	case HCI_AMP:
-		id = ida_simple_get(&hci_index_ida, 1, 0, GFP_KERNEL);
+		id = ida_simple_get(&hci_index_ida, 1, HCI_MAX_ID, GFP_KERNEL);
 		break;
 	default:
 		return -EINVAL;
@@ -3112,7 +3112,7 @@ int hci_register_dev(struct hci_dev *hdev)
 	if (id < 0)
 		return id;
 
-	sprintf(hdev->name, "hci%d", id);
+	snprintf(hdev->name, sizeof(hdev->name), "hci%d", id);
 	hdev->id = id;
 
 	BT_DBG("%p name %s bus %d", hdev, hdev->name, hdev->bus);
diff --git a/net/bridge/br_input.c b/net/bridge/br_input.c
index 10fa84056cb5..07e7cf2b4cfb 100644
--- a/net/bridge/br_input.c
+++ b/net/bridge/br_input.c
@@ -47,6 +47,13 @@ static int br_pass_frame_up(struct sk_buff *skb)
 	u64_stats_update_end(&brstats->syncp);
 
 	vg = br_vlan_group_rcu(br);
+
+	/* Reset the offload_fwd_mark because there could be a stacked
+	 * bridge above, and it should not think this bridge it doing
+	 * that bridge's work forwarding out its ports.
+	 */
+	br_switchdev_frame_unmark(skb);
+
 	/* Bridge is just like any other port.  Make sure the
 	 * packet is allowed except in promisc modue when someone
 	 * may be running packet capture.
diff --git a/net/core/secure_seq.c b/net/core/secure_seq.c
index 7232274de334..17683aea8a35 100644
--- a/net/core/secure_seq.c
+++ b/net/core/secure_seq.c
@@ -22,6 +22,8 @@
 static siphash_key_t net_secret __read_mostly;
 static siphash_key_t ts_secret __read_mostly;
 
+#define EPHEMERAL_PORT_SHUFFLE_PERIOD (10 * HZ)
+
 static __always_inline void net_secret_init(void)
 {
 	net_get_random_once(&net_secret, sizeof(net_secret));
@@ -100,11 +102,13 @@ u32 secure_ipv6_port_ephemeral(const __be32 *saddr, const __be32 *daddr,
 	const struct {
 		struct in6_addr saddr;
 		struct in6_addr daddr;
+		unsigned int timeseed;
 		__be16 dport;
 	} __aligned(SIPHASH_ALIGNMENT) combined = {
 		.saddr = *(struct in6_addr *)saddr,
 		.daddr = *(struct in6_addr *)daddr,
-		.dport = dport
+		.timeseed = jiffies / EPHEMERAL_PORT_SHUFFLE_PERIOD,
+		.dport = dport,
 	};
 	net_secret_init();
 	return siphash(&combined, offsetofend(typeof(combined), dport),
@@ -144,8 +148,10 @@ u32 secure_tcp_seq(__be32 saddr, __be32 daddr,
 u32 secure_ipv4_port_ephemeral(__be32 saddr, __be32 daddr, __be16 dport)
 {
 	net_secret_init();
-	return siphash_3u32((__force u32)saddr, (__force u32)daddr,
-			    (__force u16)dport, &net_secret);
+	return siphash_4u32((__force u32)saddr, (__force u32)daddr,
+			    (__force u16)dport,
+			    jiffies / EPHEMERAL_PORT_SHUFFLE_PERIOD,
+			    &net_secret);
 }
 EXPORT_SYMBOL_GPL(secure_ipv4_port_ephemeral);
 #endif
diff --git a/net/dccp/ipv4.c b/net/dccp/ipv4.c
index 176bddacc16e..7e93087d1366 100644
--- a/net/dccp/ipv4.c
+++ b/net/dccp/ipv4.c
@@ -428,7 +428,7 @@ struct sock *dccp_v4_request_recv_sock(const struct sock *sk,
 
 	if (__inet_inherit_port(sk, newsk) < 0)
 		goto put_and_exit;
-	*own_req = inet_ehash_nolisten(newsk, req_to_sk(req_unhash));
+	*own_req = inet_ehash_nolisten(newsk, req_to_sk(req_unhash), NULL);
 	if (*own_req)
 		ireq->ireq_opt = NULL;
 	else
diff --git a/net/dccp/ipv6.c b/net/dccp/ipv6.c
index 2cd3508a3786..ae4851fdbe9e 100644
--- a/net/dccp/ipv6.c
+++ b/net/dccp/ipv6.c
@@ -538,7 +538,7 @@ static struct sock *dccp_v6_request_recv_sock(const struct sock *sk,
 		dccp_done(newsk);
 		goto out;
 	}
-	*own_req = inet_ehash_nolisten(newsk, req_to_sk(req_unhash));
+	*own_req = inet_ehash_nolisten(newsk, req_to_sk(req_unhash), NULL);
 	/* Clone pktoptions received with SYN, if we own the req */
 	if (*own_req && ireq->pktopts) {
 		newnp->pktoptions = skb_clone(ireq->pktopts, GFP_ATOMIC);
diff --git a/net/ipv4/igmp.c b/net/ipv4/igmp.c
index eac0013809c9..16255dd0abf4 100644
--- a/net/ipv4/igmp.c
+++ b/net/ipv4/igmp.c
@@ -2368,9 +2368,10 @@ int ip_mc_source(int add, int omode, struct sock *sk, struct
 				newpsl->sl_addr[i] = psl->sl_addr[i];
 			/* decrease mem now to avoid the memleak warning */
 			atomic_sub(IP_SFLSIZE(psl->sl_max), &sk->sk_omem_alloc);
-			kfree_rcu(psl, rcu);
 		}
 		rcu_assign_pointer(pmc->sflist, newpsl);
+		if (psl)
+			kfree_rcu(psl, rcu);
 		psl = newpsl;
 	}
 	rv = 1;	/* > 0 for insert logic below if sl_count is 0 */
@@ -2468,11 +2469,13 @@ int ip_mc_msfilter(struct sock *sk, struct ip_msfilter *msf, int ifindex)
 			psl->sl_count, psl->sl_addr, 0);
 		/* decrease mem now to avoid the memleak warning */
 		atomic_sub(IP_SFLSIZE(psl->sl_max), &sk->sk_omem_alloc);
-		kfree_rcu(psl, rcu);
-	} else
+	} else {
 		(void) ip_mc_del_src(in_dev, &msf->imsf_multiaddr, pmc->sfmode,
 			0, NULL, 0);
+	}
 	rcu_assign_pointer(pmc->sflist, newpsl);
+	if (psl)
+		kfree_rcu(psl, rcu);
 	pmc->sfmode = msf->imsf_fmode;
 	err = 0;
 done:
diff --git a/net/ipv4/inet_connection_sock.c b/net/ipv4/inet_connection_sock.c
index 30641fef5f0d..e80cb2a8eb75 100644
--- a/net/ipv4/inet_connection_sock.c
+++ b/net/ipv4/inet_connection_sock.c
@@ -791,7 +791,7 @@ static void reqsk_queue_hash_req(struct request_sock *req,
 			    (unsigned long)req);
 	mod_timer(&req->rsk_timer, jiffies + timeout);
 
-	inet_ehash_insert(req_to_sk(req), NULL);
+	inet_ehash_insert(req_to_sk(req), NULL, NULL);
 	/* before letting lookups find us, make sure all req fields
 	 * are committed to memory and refcnt initialized.
 	 */
diff --git a/net/ipv4/inet_hashtables.c b/net/ipv4/inet_hashtables.c
index 8a54babf5c90..1346e45cf8d1 100644
--- a/net/ipv4/inet_hashtables.c
+++ b/net/ipv4/inet_hashtables.c
@@ -23,6 +23,9 @@
 #include <net/addrconf.h>
 #include <net/inet_connection_sock.h>
 #include <net/inet_hashtables.h>
+#if IS_ENABLED(CONFIG_IPV6)
+#include <net/inet6_hashtables.h>
+#endif
 #include <net/secure_seq.h>
 #include <net/ip.h>
 #include <net/tcp.h>
@@ -395,10 +398,52 @@ static u32 inet_sk_port_offset(const struct sock *sk)
 					  inet->inet_dport);
 }
 
-/* insert a socket into ehash, and eventually remove another one
- * (The another one can be a SYN_RECV or TIMEWAIT
+/* Searches for an exsiting socket in the ehash bucket list.
+ * Returns true if found, false otherwise.
  */
-bool inet_ehash_insert(struct sock *sk, struct sock *osk)
+static bool inet_ehash_lookup_by_sk(struct sock *sk,
+				    struct hlist_nulls_head *list)
+{
+	const __portpair ports = INET_COMBINED_PORTS(sk->sk_dport, sk->sk_num);
+	const int sdif = sk->sk_bound_dev_if;
+	const int dif = sk->sk_bound_dev_if;
+	const struct hlist_nulls_node *node;
+	struct net *net = sock_net(sk);
+	struct sock *esk;
+
+	INET_ADDR_COOKIE(acookie, sk->sk_daddr, sk->sk_rcv_saddr);
+
+	sk_nulls_for_each_rcu(esk, node, list) {
+		if (esk->sk_hash != sk->sk_hash)
+			continue;
+		if (sk->sk_family == AF_INET) {
+			if (unlikely(INET_MATCH(esk, net, acookie,
+						sk->sk_daddr,
+						sk->sk_rcv_saddr,
+						ports, dif, sdif))) {
+				return true;
+			}
+		}
+#if IS_ENABLED(CONFIG_IPV6)
+		else if (sk->sk_family == AF_INET6) {
+			if (unlikely(INET6_MATCH(esk, net,
+						 &sk->sk_v6_daddr,
+						 &sk->sk_v6_rcv_saddr,
+						 ports, dif, sdif))) {
+				return true;
+			}
+		}
+#endif
+	}
+	return false;
+}
+
+/* Insert a socket into ehash, and eventually remove another one
+ * (The another one can be a SYN_RECV or TIMEWAIT)
+ * If an existing socket already exists, socket sk is not inserted,
+ * and sets found_dup_sk parameter to true.
+ */
+bool inet_ehash_insert(struct sock *sk, struct sock *osk, bool *found_dup_sk)
 {
 	struct inet_hashinfo *hashinfo = sk->sk_prot->h.hashinfo;
 	struct hlist_nulls_head *list;
@@ -417,16 +462,23 @@ bool inet_ehash_insert(struct sock *sk, struct sock *osk)
 	if (osk) {
 		WARN_ON_ONCE(sk->sk_hash != osk->sk_hash);
 		ret = sk_nulls_del_node_init_rcu(osk);
+	} else if (found_dup_sk) {
+		*found_dup_sk = inet_ehash_lookup_by_sk(sk, list);
+		if (*found_dup_sk)
+			ret = false;
 	}
+
 	if (ret)
 		__sk_nulls_add_node_rcu(sk, list);
+
 	spin_unlock(lock);
+
 	return ret;
 }
 
-bool inet_ehash_nolisten(struct sock *sk, struct sock *osk)
+bool inet_ehash_nolisten(struct sock *sk, struct sock *osk, bool *found_dup_sk)
 {
-	bool ok = inet_ehash_insert(sk, osk);
+	bool ok = inet_ehash_insert(sk, osk, found_dup_sk);
 
 	if (ok) {
 		sock_prot_inuse_add(sock_net(sk), sk->sk_prot, 1);
@@ -469,7 +521,7 @@ int __inet_hash(struct sock *sk, struct sock *osk)
 	int err = 0;
 
 	if (sk->sk_state != TCP_LISTEN) {
-		inet_ehash_nolisten(sk, osk);
+		inet_ehash_nolisten(sk, osk, NULL);
 		return 0;
 	}
 	WARN_ON(!sk_unhashed(sk));
@@ -556,7 +608,7 @@ int __inet_hash_connect(struct inet_timewait_death_row *death_row,
 		tb = inet_csk(sk)->icsk_bind_hash;
 		spin_lock_bh(&head->lock);
 		if (sk_head(&tb->owners) == sk && !sk->sk_bind_node.next) {
-			inet_ehash_nolisten(sk, NULL);
+			inet_ehash_nolisten(sk, NULL, NULL);
 			spin_unlock_bh(&head->lock);
 			return 0;
 		}
@@ -632,7 +684,7 @@ ok:
 	inet_bind_hash(sk, tb, port);
 	if (sk_unhashed(sk)) {
 		inet_sk(sk)->inet_sport = htons(port);
-		inet_ehash_nolisten(sk, (struct sock *)tw);
+		inet_ehash_nolisten(sk, (struct sock *)tw, NULL);
 	}
 	if (tw)
 		inet_twsk_bind_unhash(tw, hinfo);
diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c
index 1a4d89f8361c..d916accd9783 100644
--- a/net/ipv4/ip_gre.c
+++ b/net/ipv4/ip_gre.c
@@ -429,14 +429,12 @@ static void __gre_xmit(struct sk_buff *skb, struct net_device *dev,
 		       __be16 proto)
 {
 	struct ip_tunnel *tunnel = netdev_priv(dev);
-
-	if (tunnel->parms.o_flags & TUNNEL_SEQ)
-		tunnel->o_seqno++;
+	__be16 flags = tunnel->parms.o_flags;
 
 	/* Push GRE header. */
 	gre_build_header(skb, tunnel->tun_hlen,
-			 tunnel->parms.o_flags, proto, tunnel->parms.o_key,
-			 htonl(tunnel->o_seqno));
+			 flags, proto, tunnel->parms.o_key,
+			 (flags & TUNNEL_SEQ) ? htonl(tunnel->o_seqno++) : 0);
 
 	ip_tunnel_xmit(skb, dev, tnl_params, tnl_params->protocol);
 }
diff --git a/net/ipv4/ping.c b/net/ipv4/ping.c
index 0dd5ca2004c7..ec725b460ad6 100644
--- a/net/ipv4/ping.c
+++ b/net/ipv4/ping.c
@@ -309,6 +309,7 @@ static int ping_check_bind_addr(struct sock *sk, struct inet_sock *isk,
 	struct net *net = sock_net(sk);
 	if (sk->sk_family == AF_INET) {
 		struct sockaddr_in *addr = (struct sockaddr_in *) uaddr;
+		u32 tb_id = RT_TABLE_LOCAL;
 		int chk_addr_ret;
 
 		if (addr_len < sizeof(*addr))
@@ -322,7 +323,8 @@ static int ping_check_bind_addr(struct sock *sk, struct inet_sock *isk,
 		pr_debug("ping_check_bind_addr(sk=%p,addr=%pI4,port=%d)\n",
 			 sk, &addr->sin_addr.s_addr, ntohs(addr->sin_port));
 
-		chk_addr_ret = inet_addr_type(net, addr->sin_addr.s_addr);
+		tb_id = l3mdev_fib_table_by_index(net, sk->sk_bound_dev_if) ? : tb_id;
+		chk_addr_ret = inet_addr_type_table(net, addr->sin_addr.s_addr, tb_id);
 
 		if (addr->sin_addr.s_addr == htonl(INADDR_ANY))
 			chk_addr_ret = RTN_LOCAL;
@@ -364,6 +366,14 @@ static int ping_check_bind_addr(struct sock *sk, struct inet_sock *isk,
 				return -ENODEV;
 			}
 		}
+
+		if (!dev && sk->sk_bound_dev_if) {
+			dev = dev_get_by_index_rcu(net, sk->sk_bound_dev_if);
+			if (!dev) {
+				rcu_read_unlock();
+				return -ENODEV;
+			}
+		}
 		has_addr = pingv6_ops.ipv6_chk_addr(net, &addr->sin6_addr, dev,
 						    scoped);
 		rcu_read_unlock();
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index 34cf572cc5dc..52c4098e1deb 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -1697,6 +1697,7 @@ static int ip_route_input_mc(struct sk_buff *skb, __be32 daddr, __be32 saddr,
 #endif
 	RT_CACHE_STAT_INC(in_slow_mc);
 
+	skb_dst_drop(skb);
 	skb_dst_set(skb, &rth->dst);
 	return 0;
 }
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index 34fecf615447..afef2a6b47f3 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -5114,7 +5114,17 @@ static void tcp_new_space(struct sock *sk)
 	sk->sk_write_space(sk);
 }
 
-static void tcp_check_space(struct sock *sk)
+/* Caller made space either from:
+ * 1) Freeing skbs in rtx queues (after tp->snd_una has advanced)
+ * 2) Sent skbs from output queue (and thus advancing tp->snd_nxt)
+ *
+ * We might be able to generate EPOLLOUT to the application if:
+ * 1) Space consumed in output/rtx queues is below sk->sk_sndbuf/2
+ * 2) notsent amount (tp->write_seq - tp->snd_nxt) became
+ *    small enough that tcp_stream_memory_free() decides it
+ *    is time to generate EPOLLOUT.
+ */
+void tcp_check_space(struct sock *sk)
 {
 	if (sock_flag(sk, SOCK_QUEUE_SHRUNK)) {
 		sock_reset_flag(sk, SOCK_QUEUE_SHRUNK);
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index bab5feae896f..5252fcedd89d 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -1344,6 +1344,7 @@ struct sock *tcp_v4_syn_recv_sock(const struct sock *sk, struct sk_buff *skb,
 				  bool *own_req)
 {
 	struct inet_request_sock *ireq;
+	bool found_dup_sk = false;
 	struct inet_sock *newinet;
 	struct tcp_sock *newtp;
 	struct sock *newsk;
@@ -1414,12 +1415,22 @@ struct sock *tcp_v4_syn_recv_sock(const struct sock *sk, struct sk_buff *skb,
 
 	if (__inet_inherit_port(sk, newsk) < 0)
 		goto put_and_exit;
-	*own_req = inet_ehash_nolisten(newsk, req_to_sk(req_unhash));
+	*own_req = inet_ehash_nolisten(newsk, req_to_sk(req_unhash),
+				       &found_dup_sk);
 	if (likely(*own_req)) {
 		tcp_move_syn(newtp, req);
 		ireq->ireq_opt = NULL;
 	} else {
 		newinet->inet_opt = NULL;
+
+		if (!req_unhash && found_dup_sk) {
+			/* This code path should only be executed in the
+			 * syncookie case only
+			 */
+			bh_unlock_sock(newsk);
+			sock_put(newsk);
+			newsk = NULL;
+		}
 	}
 	return newsk;
 
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index 0edf3510c828..109f99715968 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -81,6 +81,7 @@ static void tcp_event_new_data_sent(struct sock *sk, const struct sk_buff *skb)
 
 	NET_ADD_STATS(sock_net(sk), LINUX_MIB_TCPORIGDATASENT,
 		      tcp_skb_pcount(skb));
+	tcp_check_space(sk);
 }
 
 /* SND.NXT, if window was not shrunk or the amount of shrunk was less than one
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index 71e08d7ef094..17b8764fb914 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -3612,6 +3612,7 @@ static int addrconf_ifdown(struct net_device *dev, int how)
 	struct list_head del_list;
 	int _keep_addr;
 	bool keep_addr;
+	bool was_ready;
 	int state, i;
 
 	ASSERT_RTNL();
@@ -3675,7 +3676,10 @@ restart:
 
 	addrconf_del_rs_timer(idev);
 
-	/* Step 2: clear flags for stateless addrconf */
+	/* Step 2: clear flags for stateless addrconf, repeated down
+	 *         detection
+	 */
+	was_ready = idev->if_flags & IF_READY;
 	if (!how)
 		idev->if_flags &= ~(IF_RS_SENT|IF_RA_RCVD|IF_READY);
 
@@ -3762,7 +3766,7 @@ restart:
 	if (how) {
 		ipv6_ac_destroy_dev(idev);
 		ipv6_mc_destroy_dev(idev);
-	} else {
+	} else if (was_ready) {
 		ipv6_mc_down(idev);
 	}
 
diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index f5d86227d3e3..b02bd1b4b6ae 100644
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -1064,6 +1064,7 @@ static struct sock *tcp_v6_syn_recv_sock(const struct sock *sk, struct sk_buff *
 	struct ipv6_txoptions *opt;
 	struct tcp6_sock *newtcp6sk;
 	struct inet_sock *newinet;
+	bool found_dup_sk = false;
 	struct tcp_sock *newtp;
 	struct sock *newsk;
 #ifdef CONFIG_TCP_MD5SIG
@@ -1232,7 +1233,8 @@ static struct sock *tcp_v6_syn_recv_sock(const struct sock *sk, struct sk_buff *
 		tcp_done(newsk);
 		goto out;
 	}
-	*own_req = inet_ehash_nolisten(newsk, req_to_sk(req_unhash));
+	*own_req = inet_ehash_nolisten(newsk, req_to_sk(req_unhash),
+				       &found_dup_sk);
 	if (*own_req) {
 		tcp_move_syn(newtp, req);
 
@@ -1247,6 +1249,15 @@ static struct sock *tcp_v6_syn_recv_sock(const struct sock *sk, struct sk_buff *
 				skb_set_owner_r(newnp->pktoptions, newsk);
 			}
 		}
+	} else {
+		if (!req_unhash && found_dup_sk) {
+			/* This code path should only be executed in the
+			 * syncookie case only
+			 */
+			bh_unlock_sock(newsk);
+			sock_put(newsk);
+			newsk = NULL;
+		}
 	}
 
 	return newsk;
diff --git a/net/key/af_key.c b/net/key/af_key.c
index caf261529a87..e94b02eff557 100644
--- a/net/key/af_key.c
+++ b/net/key/af_key.c
@@ -2834,8 +2834,10 @@ static int pfkey_process(struct sock *sk, struct sk_buff *skb, const struct sadb
 	void *ext_hdrs[SADB_EXT_MAX];
 	int err;
 
-	pfkey_broadcast(skb_clone(skb, GFP_KERNEL), GFP_KERNEL,
-			BROADCAST_PROMISC_ONLY, NULL, sock_net(sk));
+	err = pfkey_broadcast(skb_clone(skb, GFP_KERNEL), GFP_KERNEL,
+			      BROADCAST_PROMISC_ONLY, NULL, sock_net(sk));
+	if (err)
+		return err;
 
 	memset(ext_hdrs, 0, sizeof(ext_hdrs));
 	err = parse_exthdrs(skb, hdr, ext_hdrs);
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index 58befa648bad..71b479d65084 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -1204,8 +1204,7 @@ static void ieee80211_rx_reorder_ampdu(struct ieee80211_rx_data *rx,
 		goto dont_reorder;
 
 	/* not part of a BA session */
-	if (ack_policy != IEEE80211_QOS_CTL_ACK_POLICY_BLOCKACK &&
-	    ack_policy != IEEE80211_QOS_CTL_ACK_POLICY_NORMAL)
+	if (ack_policy == IEEE80211_QOS_CTL_ACK_POLICY_NOACK)
 		goto dont_reorder;
 
 	/* new, potentially un-ordered, ampdu frame - process it */
diff --git a/net/netfilter/ipvs/ip_vs_conn.c b/net/netfilter/ipvs/ip_vs_conn.c
index 620c865c230b..1ecce76bc266 100644
--- a/net/netfilter/ipvs/ip_vs_conn.c
+++ b/net/netfilter/ipvs/ip_vs_conn.c
@@ -1432,7 +1432,7 @@ int __init ip_vs_conn_init(void)
 	pr_info("Connection hash table configured "
 		"(size=%d, memory=%ldKbytes)\n",
 		ip_vs_conn_tab_size,
-		(long)(ip_vs_conn_tab_size*sizeof(struct list_head))/1024);
+		(long)(ip_vs_conn_tab_size*sizeof(*ip_vs_conn_tab))/1024);
 	IP_VS_DBG(0, "Each connection entry needs %zd bytes at least\n",
 		  sizeof(struct ip_vs_conn));
 
diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c
index 24e8ac2b724e..1b2e99ce54e5 100644
--- a/net/netlink/af_netlink.c
+++ b/net/netlink/af_netlink.c
@@ -1947,7 +1947,6 @@ static int netlink_recvmsg(struct socket *sock, struct msghdr *msg, size_t len,
 		copied = len;
 	}
 
-	skb_reset_transport_header(data_skb);
 	err = skb_copy_datagram_msg(data_skb, 0, msg, copied);
 
 	if (msg->msg_name) {
@@ -2212,6 +2211,13 @@ static int netlink_dump(struct sock *sk)
 	 * single netdev. The outcome is MSG_TRUNC error.
 	 */
 	skb_reserve(skb, skb_tailroom(skb) - alloc_size);
+
+	/* Make sure malicious BPF programs can not read unitialized memory
+	 * from skb->head -> skb->data
+	 */
+	skb_reset_network_header(skb);
+	skb_reset_mac_header(skb);
+
 	netlink_skb_set_owner_r(skb, sk);
 
 	if (nlk->dump_done_errno > 0)
diff --git a/net/nfc/core.c b/net/nfc/core.c
index 32a2dfc08f48..8c38a21fb0c6 100644
--- a/net/nfc/core.c
+++ b/net/nfc/core.c
@@ -50,7 +50,7 @@ int nfc_fw_download(struct nfc_dev *dev, const char *firmware_name)
 
 	device_lock(&dev->dev);
 
-	if (!device_is_registered(&dev->dev)) {
+	if (dev->shutting_down) {
 		rc = -ENODEV;
 		goto error;
 	}
@@ -106,7 +106,7 @@ int nfc_dev_up(struct nfc_dev *dev)
 
 	device_lock(&dev->dev);
 
-	if (!device_is_registered(&dev->dev)) {
+	if (dev->shutting_down) {
 		rc = -ENODEV;
 		goto error;
 	}
@@ -154,7 +154,7 @@ int nfc_dev_down(struct nfc_dev *dev)
 
 	device_lock(&dev->dev);
 
-	if (!device_is_registered(&dev->dev)) {
+	if (dev->shutting_down) {
 		rc = -ENODEV;
 		goto error;
 	}
@@ -218,7 +218,7 @@ int nfc_start_poll(struct nfc_dev *dev, u32 im_protocols, u32 tm_protocols)
 
 	device_lock(&dev->dev);
 
-	if (!device_is_registered(&dev->dev)) {
+	if (dev->shutting_down) {
 		rc = -ENODEV;
 		goto error;
 	}
@@ -257,7 +257,7 @@ int nfc_stop_poll(struct nfc_dev *dev)
 
 	device_lock(&dev->dev);
 
-	if (!device_is_registered(&dev->dev)) {
+	if (dev->shutting_down) {
 		rc = -ENODEV;
 		goto error;
 	}
@@ -302,7 +302,7 @@ int nfc_dep_link_up(struct nfc_dev *dev, int target_index, u8 comm_mode)
 
 	device_lock(&dev->dev);
 
-	if (!device_is_registered(&dev->dev)) {
+	if (dev->shutting_down) {
 		rc = -ENODEV;
 		goto error;
 	}
@@ -346,7 +346,7 @@ int nfc_dep_link_down(struct nfc_dev *dev)
 
 	device_lock(&dev->dev);
 
-	if (!device_is_registered(&dev->dev)) {
+	if (dev->shutting_down) {
 		rc = -ENODEV;
 		goto error;
 	}
@@ -412,7 +412,7 @@ int nfc_activate_target(struct nfc_dev *dev, u32 target_idx, u32 protocol)
 
 	device_lock(&dev->dev);
 
-	if (!device_is_registered(&dev->dev)) {
+	if (dev->shutting_down) {
 		rc = -ENODEV;
 		goto error;
 	}
@@ -458,7 +458,7 @@ int nfc_deactivate_target(struct nfc_dev *dev, u32 target_idx, u8 mode)
 
 	device_lock(&dev->dev);
 
-	if (!device_is_registered(&dev->dev)) {
+	if (dev->shutting_down) {
 		rc = -ENODEV;
 		goto error;
 	}
@@ -505,7 +505,7 @@ int nfc_data_exchange(struct nfc_dev *dev, u32 target_idx, struct sk_buff *skb,
 
 	device_lock(&dev->dev);
 
-	if (!device_is_registered(&dev->dev)) {
+	if (dev->shutting_down) {
 		rc = -ENODEV;
 		kfree_skb(skb);
 		goto error;
@@ -562,7 +562,7 @@ int nfc_enable_se(struct nfc_dev *dev, u32 se_idx)
 
 	device_lock(&dev->dev);
 
-	if (!device_is_registered(&dev->dev)) {
+	if (dev->shutting_down) {
 		rc = -ENODEV;
 		goto error;
 	}
@@ -611,7 +611,7 @@ int nfc_disable_se(struct nfc_dev *dev, u32 se_idx)
 
 	device_lock(&dev->dev);
 
-	if (!device_is_registered(&dev->dev)) {
+	if (dev->shutting_down) {
 		rc = -ENODEV;
 		goto error;
 	}
@@ -1142,6 +1142,7 @@ int nfc_register_device(struct nfc_dev *dev)
 			dev->rfkill = NULL;
 		}
 	}
+	dev->shutting_down = false;
 	device_unlock(&dev->dev);
 
 	rc = nfc_genl_device_added(dev);
@@ -1174,12 +1175,10 @@ void nfc_unregister_device(struct nfc_dev *dev)
 		rfkill_unregister(dev->rfkill);
 		rfkill_destroy(dev->rfkill);
 	}
+	dev->shutting_down = true;
 	device_unlock(&dev->dev);
 
 	if (dev->ops->check_presence) {
-		device_lock(&dev->dev);
-		dev->shutting_down = true;
-		device_unlock(&dev->dev);
 		del_timer_sync(&dev->check_pres_timer);
 		cancel_work_sync(&dev->check_pres_work);
 	}
diff --git a/net/nfc/nci/data.c b/net/nfc/nci/data.c
index 5405d073804c..9e3f9460f14f 100644
--- a/net/nfc/nci/data.c
+++ b/net/nfc/nci/data.c
@@ -130,7 +130,7 @@ static int nci_queue_tx_data_frags(struct nci_dev *ndev,
 
 		skb_frag = nci_skb_alloc(ndev,
 					 (NCI_DATA_HDR_SIZE + frag_len),
-					 GFP_KERNEL);
+					 GFP_ATOMIC);
 		if (skb_frag == NULL) {
 			rc = -ENOMEM;
 			goto free_exit;
diff --git a/net/nfc/nci/hci.c b/net/nfc/nci/hci.c
index c972c212e7ca..e5c5cff33236 100644
--- a/net/nfc/nci/hci.c
+++ b/net/nfc/nci/hci.c
@@ -165,7 +165,7 @@ static int nci_hci_send_data(struct nci_dev *ndev, u8 pipe,
 
 	i = 0;
 	skb = nci_skb_alloc(ndev, conn_info->max_pkt_payload_len +
-			    NCI_DATA_HDR_SIZE, GFP_KERNEL);
+			    NCI_DATA_HDR_SIZE, GFP_ATOMIC);
 	if (!skb)
 		return -ENOMEM;
 
@@ -198,7 +198,7 @@ static int nci_hci_send_data(struct nci_dev *ndev, u8 pipe,
 		if (i < data_len) {
 			skb = nci_skb_alloc(ndev,
 					    conn_info->max_pkt_payload_len +
-					    NCI_DATA_HDR_SIZE, GFP_KERNEL);
+					    NCI_DATA_HDR_SIZE, GFP_ATOMIC);
 			if (!skb)
 				return -ENOMEM;
 
diff --git a/net/nfc/netlink.c b/net/nfc/netlink.c
index ff5995624146..0320ae7560ad 100644
--- a/net/nfc/netlink.c
+++ b/net/nfc/netlink.c
@@ -1251,7 +1251,7 @@ int nfc_genl_fw_download_done(struct nfc_dev *dev, const char *firmware_name,
 	struct sk_buff *msg;
 	void *hdr;
 
-	msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
+	msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_ATOMIC);
 	if (!msg)
 		return -ENOMEM;
 
@@ -1267,7 +1267,7 @@ int nfc_genl_fw_download_done(struct nfc_dev *dev, const char *firmware_name,
 
 	genlmsg_end(msg, hdr);
 
-	genlmsg_multicast(&nfc_genl_family, msg, 0, 0, GFP_KERNEL);
+	genlmsg_multicast(&nfc_genl_family, msg, 0, 0, GFP_ATOMIC);
 
 	return 0;
 
diff --git a/net/openvswitch/flow_netlink.c b/net/openvswitch/flow_netlink.c
index ed3528aec15f..a4a4260615d6 100644
--- a/net/openvswitch/flow_netlink.c
+++ b/net/openvswitch/flow_netlink.c
@@ -1977,7 +1977,7 @@ static struct nlattr *reserve_sfa_size(struct sw_flow_actions **sfa,
 	new_acts_size = max(next_offset + req_size, ksize(*sfa) * 2);
 
 	if (new_acts_size > MAX_ACTIONS_BUFSIZE) {
-		if ((MAX_ACTIONS_BUFSIZE - next_offset) < req_size) {
+		if ((next_offset + req_size) > MAX_ACTIONS_BUFSIZE) {
 			OVS_NLERR(log, "Flow action size exceeds max %u",
 				  MAX_ACTIONS_BUFSIZE);
 			return ERR_PTR(-EMSGSIZE);
diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
index abdecf8d5caf..7db3714e7537 100644
--- a/net/packet/af_packet.c
+++ b/net/packet/af_packet.c
@@ -2829,8 +2829,9 @@ tpacket_error:
 
 		status = TP_STATUS_SEND_REQUEST;
 		err = po->xmit(skb);
-		if (unlikely(err > 0)) {
-			err = net_xmit_errno(err);
+		if (unlikely(err != 0)) {
+			if (err > 0)
+				err = net_xmit_errno(err);
 			if (err && __packet_get_status(po, ph) ==
 				   TP_STATUS_AVAILABLE) {
 				/* skb was destructed already */
@@ -3029,8 +3030,12 @@ static int packet_snd(struct socket *sock, struct msghdr *msg, size_t len)
 		skb->no_fcs = 1;
 
 	err = po->xmit(skb);
-	if (err > 0 && (err = net_xmit_errno(err)) != 0)
-		goto out_unlock;
+	if (unlikely(err != 0)) {
+		if (err > 0)
+			err = net_xmit_errno(err);
+		if (err)
+			goto out_unlock;
+	}
 
 	dev_put(dev);
 
diff --git a/net/sched/cls_u32.c b/net/sched/cls_u32.c
index 0c9bc29dcf97..fdbdcba44917 100644
--- a/net/sched/cls_u32.c
+++ b/net/sched/cls_u32.c
@@ -395,15 +395,20 @@ static int u32_init(struct tcf_proto *tp)
 	return 0;
 }
 
-static int u32_destroy_key(struct tcf_proto *tp, struct tc_u_knode *n,
-			   bool free_pf)
+static void __u32_destroy_key(struct tc_u_knode *n)
 {
 	struct tc_u_hnode *ht = rtnl_dereference(n->ht_down);
 
 	tcf_exts_destroy(&n->exts);
-	tcf_exts_put_net(&n->exts);
 	if (ht && --ht->refcnt == 0)
 		kfree(ht);
+	kfree(n);
+}
+
+static void u32_destroy_key(struct tcf_proto *tp, struct tc_u_knode *n,
+			   bool free_pf)
+{
+	tcf_exts_put_net(&n->exts);
 #ifdef CONFIG_CLS_U32_PERF
 	if (free_pf)
 		free_percpu(n->pf);
@@ -412,8 +417,7 @@ static int u32_destroy_key(struct tcf_proto *tp, struct tc_u_knode *n,
 	if (free_pf)
 		free_percpu(n->pcpu_success);
 #endif
-	kfree(n);
-	return 0;
+	__u32_destroy_key(n);
 }
 
 /* u32_delete_key_rcu should be called when free'ing a copied
@@ -942,13 +946,13 @@ static int u32_change(struct net *net, struct sk_buff *in_skb,
 				    tca[TCA_RATE], ovr);
 
 		if (err) {
-			u32_destroy_key(tp, new, false);
+			__u32_destroy_key(new);
 			return err;
 		}
 
 		err = u32_replace_hw_knode(tp, new, flags);
 		if (err) {
-			u32_destroy_key(tp, new, false);
+			__u32_destroy_key(new);
 			return err;
 		}
 
diff --git a/net/sctp/sm_sideeffect.c b/net/sctp/sm_sideeffect.c
index 1a1128355d86..169819263c0b 100644
--- a/net/sctp/sm_sideeffect.c
+++ b/net/sctp/sm_sideeffect.c
@@ -456,6 +456,10 @@ void sctp_generate_reconf_event(unsigned long data)
 		goto out_unlock;
 	}
 
+	/* This happens when the response arrives after the timer is triggered. */
+	if (!asoc->strreset_chunk)
+		goto out_unlock;
+
 	error = sctp_do_sm(net, SCTP_EVENT_T_TIMEOUT,
 			   SCTP_ST_TIMEOUT(SCTP_EVENT_TIMEOUT_RECONF),
 			   asoc->state, asoc->ep, asoc,
diff --git a/net/smc/smc_rx.c b/net/smc/smc_rx.c
index cbf58637ee14..0d5146d6d105 100644
--- a/net/smc/smc_rx.c
+++ b/net/smc/smc_rx.c
@@ -145,12 +145,12 @@ int smc_rx_recvmsg(struct smc_sock *smc, struct msghdr *msg, size_t len,
 				}
 				break;
 			}
+			if (!timeo)
+				return -EAGAIN;
 			if (signal_pending(current)) {
 				read_done = sock_intr_errno(timeo);
 				break;
 			}
-			if (!timeo)
-				return -EAGAIN;
 		}
 
 		if (!atomic_read(&conn->bytes_to_rcv)) {
diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c
index 5124a21ecfa3..1fd2939eb05d 100644
--- a/net/sunrpc/xprtsock.c
+++ b/net/sunrpc/xprtsock.c
@@ -2941,9 +2941,6 @@ static struct rpc_xprt *xs_setup_local(struct xprt_create *args)
 		}
 		xprt_set_bound(xprt);
 		xs_format_peer_addresses(xprt, "local", RPCBIND_NETID_LOCAL);
-		ret = ERR_PTR(xs_local_setup_socket(transport));
-		if (ret)
-			goto out_err;
 		break;
 	default:
 		ret = ERR_PTR(-EAFNOSUPPORT);
diff --git a/sound/core/pcm.c b/sound/core/pcm.c
index d7ff5483e0bd..db19fe6db5a0 100644
--- a/sound/core/pcm.c
+++ b/sound/core/pcm.c
@@ -1041,6 +1041,8 @@ int snd_pcm_attach_substream(struct snd_pcm *pcm, int stream,
 	init_waitqueue_head(&runtime->tsleep);
 
 	runtime->status->state = SNDRV_PCM_STATE_OPEN;
+	mutex_init(&runtime->buffer_mutex);
+	atomic_set(&runtime->buffer_accessing, 0);
 
 	substream->runtime = runtime;
 	substream->private_data = pcm->private_data;
@@ -1074,6 +1076,7 @@ void snd_pcm_detach_substream(struct snd_pcm_substream *substream)
 	substream->runtime = NULL;
 	if (substream->timer)
 		spin_unlock_irq(&substream->timer->lock);
+	mutex_destroy(&runtime->buffer_mutex);
 	kfree(runtime);
 	put_pid(substream->pid);
 	substream->pid = NULL;
diff --git a/sound/core/pcm_lib.c b/sound/core/pcm_lib.c
index 3b1b2f4beb99..21f514caf0b7 100644
--- a/sound/core/pcm_lib.c
+++ b/sound/core/pcm_lib.c
@@ -2244,10 +2244,15 @@ snd_pcm_sframes_t __snd_pcm_lib_xfer(struct snd_pcm_substream *substream,
 			snd_pcm_stream_unlock_irq(substream);
 			return -EINVAL;
 		}
+		if (!atomic_inc_unless_negative(&runtime->buffer_accessing)) {
+			err = -EBUSY;
+			goto _end_unlock;
+		}
 		snd_pcm_stream_unlock_irq(substream);
 		err = writer(substream, appl_ofs, data, offset, frames,
 			     transfer);
 		snd_pcm_stream_lock_irq(substream);
+		atomic_dec(&runtime->buffer_accessing);
 		if (err < 0)
 			goto _end_unlock;
 		err = pcm_accessible_state(runtime);
diff --git a/sound/core/pcm_memory.c b/sound/core/pcm_memory.c
index ae33e456708c..adc5f3c2379b 100644
--- a/sound/core/pcm_memory.c
+++ b/sound/core/pcm_memory.c
@@ -160,19 +160,20 @@ static void snd_pcm_lib_preallocate_proc_write(struct snd_info_entry *entry,
 	size_t size;
 	struct snd_dma_buffer new_dmab;
 
+	mutex_lock(&substream->pcm->open_mutex);
 	if (substream->runtime) {
 		buffer->error = -EBUSY;
-		return;
+		goto unlock;
 	}
 	if (!snd_info_get_line(buffer, line, sizeof(line))) {
 		snd_info_get_str(str, line, sizeof(str));
 		size = simple_strtoul(str, NULL, 10) * 1024;
 		if ((size != 0 && size < 8192) || size > substream->dma_max) {
 			buffer->error = -EINVAL;
-			return;
+			goto unlock;
 		}
 		if (substream->dma_buffer.bytes == size)
-			return;
+			goto unlock;
 		memset(&new_dmab, 0, sizeof(new_dmab));
 		new_dmab.dev = substream->dma_buffer.dev;
 		if (size > 0) {
@@ -180,7 +181,7 @@ static void snd_pcm_lib_preallocate_proc_write(struct snd_info_entry *entry,
 						substream->dma_buffer.dev.dev,
 						size, &new_dmab) < 0) {
 				buffer->error = -ENOMEM;
-				return;
+				goto unlock;
 			}
 			substream->buffer_bytes_max = size;
 		} else {
@@ -192,6 +193,8 @@ static void snd_pcm_lib_preallocate_proc_write(struct snd_info_entry *entry,
 	} else {
 		buffer->error = -EINVAL;
 	}
+ unlock:
+	mutex_unlock(&substream->pcm->open_mutex);
 }
 
 static inline void preallocate_info_init(struct snd_pcm_substream *substream)
diff --git a/sound/core/pcm_native.c b/sound/core/pcm_native.c
index 347fef13f84a..e5ce04b7de93 100644
--- a/sound/core/pcm_native.c
+++ b/sound/core/pcm_native.c
@@ -633,6 +633,30 @@ static int snd_pcm_hw_params_choose(struct snd_pcm_substream *pcm,
 	return 0;
 }
 
+/* acquire buffer_mutex; if it's in r/w operation, return -EBUSY, otherwise
+ * block the further r/w operations
+ */
+static int snd_pcm_buffer_access_lock(struct snd_pcm_runtime *runtime)
+{
+	if (!atomic_dec_unless_positive(&runtime->buffer_accessing))
+		return -EBUSY;
+	mutex_lock(&runtime->buffer_mutex);
+	return 0; /* keep buffer_mutex, unlocked by below */
+}
+
+/* release buffer_mutex and clear r/w access flag */
+static void snd_pcm_buffer_access_unlock(struct snd_pcm_runtime *runtime)
+{
+	mutex_unlock(&runtime->buffer_mutex);
+	atomic_inc(&runtime->buffer_accessing);
+}
+
+#if IS_ENABLED(CONFIG_SND_PCM_OSS)
+#define is_oss_stream(substream)	((substream)->oss.oss)
+#else
+#define is_oss_stream(substream)	false
+#endif
+
 static int snd_pcm_hw_params(struct snd_pcm_substream *substream,
 			     struct snd_pcm_hw_params *params)
 {
@@ -644,22 +668,25 @@ static int snd_pcm_hw_params(struct snd_pcm_substream *substream,
 	if (PCM_RUNTIME_CHECK(substream))
 		return -ENXIO;
 	runtime = substream->runtime;
+	err = snd_pcm_buffer_access_lock(runtime);
+	if (err < 0)
+		return err;
 	snd_pcm_stream_lock_irq(substream);
 	switch (runtime->status->state) {
 	case SNDRV_PCM_STATE_OPEN:
 	case SNDRV_PCM_STATE_SETUP:
 	case SNDRV_PCM_STATE_PREPARED:
+		if (!is_oss_stream(substream) &&
+		    atomic_read(&substream->mmap_count))
+			err = -EBADFD;
 		break;
 	default:
-		snd_pcm_stream_unlock_irq(substream);
-		return -EBADFD;
+		err = -EBADFD;
+		break;
 	}
 	snd_pcm_stream_unlock_irq(substream);
-#if IS_ENABLED(CONFIG_SND_PCM_OSS)
-	if (!substream->oss.oss)
-#endif
-		if (atomic_read(&substream->mmap_count))
-			return -EBADFD;
+	if (err)
+		goto unlock;
 
 	params->rmask = ~0U;
 	err = snd_pcm_hw_refine(substream, params);
@@ -737,14 +764,19 @@ static int snd_pcm_hw_params(struct snd_pcm_substream *substream,
 	if ((usecs = period_to_usecs(runtime)) >= 0)
 		pm_qos_add_request(&substream->latency_pm_qos_req,
 				   PM_QOS_CPU_DMA_LATENCY, usecs);
-	return 0;
+	err = 0;
  _error:
-	/* hardware might be unusable from this time,
-	   so we force application to retry to set
-	   the correct hardware parameter settings */
-	snd_pcm_set_state(substream, SNDRV_PCM_STATE_OPEN);
-	if (substream->ops->hw_free != NULL)
-		substream->ops->hw_free(substream);
+	if (err) {
+		/* hardware might be unusable from this time,
+		 * so we force application to retry to set
+		 * the correct hardware parameter settings
+		 */
+		snd_pcm_set_state(substream, SNDRV_PCM_STATE_OPEN);
+		if (substream->ops->hw_free != NULL)
+			substream->ops->hw_free(substream);
+	}
+ unlock:
+	snd_pcm_buffer_access_unlock(runtime);
 	return err;
 }
 
@@ -777,22 +809,29 @@ static int snd_pcm_hw_free(struct snd_pcm_substream *substream)
 	if (PCM_RUNTIME_CHECK(substream))
 		return -ENXIO;
 	runtime = substream->runtime;
+	result = snd_pcm_buffer_access_lock(runtime);
+	if (result < 0)
+		return result;
 	snd_pcm_stream_lock_irq(substream);
 	switch (runtime->status->state) {
 	case SNDRV_PCM_STATE_SETUP:
 	case SNDRV_PCM_STATE_PREPARED:
+		if (atomic_read(&substream->mmap_count))
+			result = -EBADFD;
 		break;
 	default:
-		snd_pcm_stream_unlock_irq(substream);
-		return -EBADFD;
+		result = -EBADFD;
+		break;
 	}
 	snd_pcm_stream_unlock_irq(substream);
-	if (atomic_read(&substream->mmap_count))
-		return -EBADFD;
+	if (result)
+		goto unlock;
 	if (substream->ops->hw_free)
 		result = substream->ops->hw_free(substream);
 	snd_pcm_set_state(substream, SNDRV_PCM_STATE_OPEN);
 	pm_qos_remove_request(&substream->latency_pm_qos_req);
+ unlock:
+	snd_pcm_buffer_access_unlock(runtime);
 	return result;
 }
 
@@ -1029,15 +1068,17 @@ struct action_ops {
  */
 static int snd_pcm_action_group(const struct action_ops *ops,
 				struct snd_pcm_substream *substream,
-				int state, int do_lock)
+				int state, int stream_lock)
 {
 	struct snd_pcm_substream *s = NULL;
 	struct snd_pcm_substream *s1;
 	int res = 0, depth = 1;
 
 	snd_pcm_group_for_each_entry(s, substream) {
-		if (do_lock && s != substream) {
-			if (s->pcm->nonatomic)
+		if (s != substream) {
+			if (!stream_lock)
+				mutex_lock_nested(&s->runtime->buffer_mutex, depth);
+			else if (s->pcm->nonatomic)
 				mutex_lock_nested(&s->self_group.mutex, depth);
 			else
 				spin_lock_nested(&s->self_group.lock, depth);
@@ -1065,18 +1106,18 @@ static int snd_pcm_action_group(const struct action_ops *ops,
 		ops->post_action(s, state);
 	}
  _unlock:
-	if (do_lock) {
-		/* unlock streams */
-		snd_pcm_group_for_each_entry(s1, substream) {
-			if (s1 != substream) {
-				if (s1->pcm->nonatomic)
-					mutex_unlock(&s1->self_group.mutex);
-				else
-					spin_unlock(&s1->self_group.lock);
-			}
-			if (s1 == s)	/* end */
-				break;
+	/* unlock streams */
+	snd_pcm_group_for_each_entry(s1, substream) {
+		if (s1 != substream) {
+			if (!stream_lock)
+				mutex_unlock(&s1->runtime->buffer_mutex);
+			else if (s1->pcm->nonatomic)
+				mutex_unlock(&s1->self_group.mutex);
+			else
+				spin_unlock(&s1->self_group.lock);
 		}
+		if (s1 == s)	/* end */
+			break;
 	}
 	return res;
 }
@@ -1157,10 +1198,15 @@ static int snd_pcm_action_nonatomic(const struct action_ops *ops,
 	int res;
 
 	down_read(&snd_pcm_link_rwsem);
+	res = snd_pcm_buffer_access_lock(substream->runtime);
+	if (res < 0)
+		goto unlock;
 	if (snd_pcm_stream_linked(substream))
 		res = snd_pcm_action_group(ops, substream, state, 0);
 	else
 		res = snd_pcm_action_single(ops, substream, state);
+	snd_pcm_buffer_access_unlock(substream->runtime);
+ unlock:
 	up_read(&snd_pcm_link_rwsem);
 	return res;
 }
diff --git a/sound/firewire/fireworks/fireworks_hwdep.c b/sound/firewire/fireworks/fireworks_hwdep.c
index a3a3a16f5e08..4d8302c083a0 100644
--- a/sound/firewire/fireworks/fireworks_hwdep.c
+++ b/sound/firewire/fireworks/fireworks_hwdep.c
@@ -35,6 +35,7 @@ hwdep_read_resp_buf(struct snd_efw *efw, char __user *buf, long remained,
 	type = SNDRV_FIREWIRE_EVENT_EFW_RESPONSE;
 	if (copy_to_user(buf, &type, sizeof(type)))
 		return -EFAULT;
+	count += sizeof(type);
 	remained -= sizeof(type);
 	buf += sizeof(type);
 
diff --git a/sound/isa/wavefront/wavefront_synth.c b/sound/isa/wavefront/wavefront_synth.c
index 13c8e6542a2f..9dd0ae377980 100644
--- a/sound/isa/wavefront/wavefront_synth.c
+++ b/sound/isa/wavefront/wavefront_synth.c
@@ -1092,7 +1092,8 @@ wavefront_send_sample (snd_wavefront_t *dev,
 
 			if (dataptr < data_end) {
 		
-				__get_user (sample_short, dataptr);
+				if (get_user(sample_short, dataptr))
+					return -EFAULT;
 				dataptr += skip;
 		
 				if (data_is_unsigned) { /* GUS ? */
diff --git a/sound/soc/codecs/max98090.c b/sound/soc/codecs/max98090.c
index 3fe09828745a..362d1fb2aae9 100644
--- a/sound/soc/codecs/max98090.c
+++ b/sound/soc/codecs/max98090.c
@@ -419,6 +419,9 @@ static int max98090_put_enab_tlv(struct snd_kcontrol *kcontrol,
 
 	val = (val >> mc->shift) & mask;
 
+	if (sel < 0 || sel > mc->max)
+		return -EINVAL;
+
 	*select = sel;
 
 	/* Setting a volume is only valid if it is already On */
@@ -433,7 +436,7 @@ static int max98090_put_enab_tlv(struct snd_kcontrol *kcontrol,
 		mask << mc->shift,
 		sel << mc->shift);
 
-	return 0;
+	return *select != val;
 }
 
 static const char *max98090_perf_pwr_text[] =
diff --git a/sound/soc/codecs/wm8731.c b/sound/soc/codecs/wm8731.c
index 4f9a1eb28120..abe5e77ba171 100644
--- a/sound/soc/codecs/wm8731.c
+++ b/sound/soc/codecs/wm8731.c
@@ -604,7 +604,7 @@ static int wm8731_hw_init(struct device *dev, struct wm8731_priv *wm8731)
 	ret = wm8731_reset(wm8731->regmap);
 	if (ret < 0) {
 		dev_err(dev, "Failed to issue reset: %d\n", ret);
-		goto err_regulator_enable;
+		goto err;
 	}
 
 	/* Clear POWEROFF, keep everything else disabled */
@@ -621,10 +621,7 @@ static int wm8731_hw_init(struct device *dev, struct wm8731_priv *wm8731)
 
 	regcache_mark_dirty(wm8731->regmap);
 
-err_regulator_enable:
-	/* Regulators will be enabled by bias management */
-	regulator_bulk_disable(ARRAY_SIZE(wm8731->supplies), wm8731->supplies);
-
+err:
 	return ret;
 }
 
@@ -768,21 +765,27 @@ static int wm8731_i2c_probe(struct i2c_client *i2c,
 		ret = PTR_ERR(wm8731->regmap);
 		dev_err(&i2c->dev, "Failed to allocate register map: %d\n",
 			ret);
-		return ret;
+		goto err_regulator_enable;
 	}
 
 	ret = wm8731_hw_init(&i2c->dev, wm8731);
 	if (ret != 0)
-		return ret;
+		goto err_regulator_enable;
 
 	ret = snd_soc_register_codec(&i2c->dev,
 			&soc_codec_dev_wm8731, &wm8731_dai, 1);
 	if (ret != 0) {
 		dev_err(&i2c->dev, "Failed to register CODEC: %d\n", ret);
-		return ret;
+		goto err_regulator_enable;
 	}
 
 	return 0;
+
+err_regulator_enable:
+	/* Regulators will be enabled by bias management */
+	regulator_bulk_disable(ARRAY_SIZE(wm8731->supplies), wm8731->supplies);
+
+	return ret;
 }
 
 static int wm8731_i2c_remove(struct i2c_client *client)
diff --git a/sound/soc/codecs/wm8958-dsp2.c b/sound/soc/codecs/wm8958-dsp2.c
index 6b864c0fc2b6..fa803cef2324 100644
--- a/sound/soc/codecs/wm8958-dsp2.c
+++ b/sound/soc/codecs/wm8958-dsp2.c
@@ -533,7 +533,7 @@ static int wm8958_mbc_put(struct snd_kcontrol *kcontrol,
 
 	wm8958_dsp_apply(codec, mbc, wm8994->mbc_ena[mbc]);
 
-	return 0;
+	return 1;
 }
 
 #define WM8958_MBC_SWITCH(xname, xval) {\
@@ -659,7 +659,7 @@ static int wm8958_vss_put(struct snd_kcontrol *kcontrol,
 
 	wm8958_dsp_apply(codec, vss, wm8994->vss_ena[vss]);
 
-	return 0;
+	return 1;
 }
 
 
@@ -733,7 +733,7 @@ static int wm8958_hpf_put(struct snd_kcontrol *kcontrol,
 
 	wm8958_dsp_apply(codec, hpf % 3, ucontrol->value.integer.value[0]);
 
-	return 0;
+	return 1;
 }
 
 #define WM8958_HPF_SWITCH(xname, xval) {\
@@ -827,7 +827,7 @@ static int wm8958_enh_eq_put(struct snd_kcontrol *kcontrol,
 
 	wm8958_dsp_apply(codec, eq, ucontrol->value.integer.value[0]);
 
-	return 0;
+	return 1;
 }
 
 #define WM8958_ENH_EQ_SWITCH(xname, xval) {\
diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c
index fa39e48ec11f..4d20c425bd1d 100644
--- a/sound/soc/soc-dapm.c
+++ b/sound/soc/soc-dapm.c
@@ -1619,8 +1619,7 @@ static void dapm_seq_run(struct snd_soc_card *card,
 		switch (w->id) {
 		case snd_soc_dapm_pre:
 			if (!w->event)
-				list_for_each_entry_safe_continue(w, n, list,
-								  power_list);
+				continue;
 
 			if (event == SND_SOC_DAPM_STREAM_START)
 				ret = w->event(w,
@@ -1632,8 +1631,7 @@ static void dapm_seq_run(struct snd_soc_card *card,
 
 		case snd_soc_dapm_post:
 			if (!w->event)
-				list_for_each_entry_safe_continue(w, n, list,
-								  power_list);
+				continue;
 
 			if (event == SND_SOC_DAPM_STREAM_START)
 				ret = w->event(w,
diff --git a/sound/soc/soc-generic-dmaengine-pcm.c b/sound/soc/soc-generic-dmaengine-pcm.c
index 5362ceccbd45..052778c6afad 100644
--- a/sound/soc/soc-generic-dmaengine-pcm.c
+++ b/sound/soc/soc-generic-dmaengine-pcm.c
@@ -98,10 +98,10 @@ static int dmaengine_pcm_hw_params(struct snd_pcm_substream *substream,
 
 	memset(&slave_config, 0, sizeof(slave_config));
 
-	if (pcm->config && pcm->config->prepare_slave_config)
-		prepare_slave_config = pcm->config->prepare_slave_config;
-	else
+	if (!pcm->config)
 		prepare_slave_config = snd_dmaengine_pcm_prepare_slave_config;
+	else
+		prepare_slave_config = pcm->config->prepare_slave_config;
 
 	if (prepare_slave_config) {
 		ret = prepare_slave_config(substream, params, &slave_config);
diff --git a/sound/soc/soc-ops.c b/sound/soc/soc-ops.c
index 07e4ac253f36..6a9ed9a182df 100644
--- a/sound/soc/soc-ops.c
+++ b/sound/soc/soc-ops.c
@@ -529,7 +529,15 @@ int snd_soc_put_volsw_range(struct snd_kcontrol *kcontrol,
 	unsigned int mask = (1 << fls(max)) - 1;
 	unsigned int invert = mc->invert;
 	unsigned int val, val_mask;
-	int err, ret;
+	int err, ret, tmp;
+
+	tmp = ucontrol->value.integer.value[0];
+	if (tmp < 0)
+		return -EINVAL;
+	if (mc->platform_max && tmp > mc->platform_max)
+		return -EINVAL;
+	if (tmp > mc->max - mc->min + 1)
+		return -EINVAL;
 
 	if (invert)
 		val = (max - ucontrol->value.integer.value[0]) & mask;
@@ -544,6 +552,14 @@ int snd_soc_put_volsw_range(struct snd_kcontrol *kcontrol,
 	ret = err;
 
 	if (snd_soc_volsw_is_stereo(mc)) {
+		tmp = ucontrol->value.integer.value[1];
+		if (tmp < 0)
+			return -EINVAL;
+		if (mc->platform_max && tmp > mc->platform_max)
+			return -EINVAL;
+		if (tmp > mc->max - mc->min + 1)
+			return -EINVAL;
+
 		if (invert)
 			val = (max - ucontrol->value.integer.value[1]) & mask;
 		else
diff --git a/sound/usb/midi.c b/sound/usb/midi.c
index 5f5a6b7ef1cf..3c4cf5da5daa 100644
--- a/sound/usb/midi.c
+++ b/sound/usb/midi.c
@@ -1210,6 +1210,7 @@ static void snd_usbmidi_output_drain(struct snd_rawmidi_substream *substream)
 		} while (drain_urbs && timeout);
 		finish_wait(&ep->drain_wait, &wait);
 	}
+	port->active = 0;
 	spin_unlock_irq(&ep->buffer_lock);
 }
 
diff --git a/sound/usb/usbaudio.h b/sound/usb/usbaudio.h
index 67b1bb3a621f..4605b59e92c6 100644
--- a/sound/usb/usbaudio.h
+++ b/sound/usb/usbaudio.h
@@ -22,7 +22,7 @@
  */
 
 /* handling of USB vendor/product ID pairs as 32-bit numbers */
-#define USB_ID(vendor, product) (((vendor) << 16) | (product))
+#define USB_ID(vendor, product) (((unsigned int)(vendor) << 16) | (product))
 #define USB_ID_VENDOR(id) ((id) >> 16)
 #define USB_ID_PRODUCT(id) ((u16)(id))
 
diff --git a/tools/perf/bench/numa.c b/tools/perf/bench/numa.c
index 275f1c3c73b6..4334f2af15fa 100644
--- a/tools/perf/bench/numa.c
+++ b/tools/perf/bench/numa.c
@@ -1631,7 +1631,7 @@ static int __bench_numa(const char *name)
 		"GB/sec,", "total-speed",	"GB/sec total speed");
 
 	if (g->p.show_details >= 2) {
-		char tname[14 + 2 * 10 + 1];
+		char tname[14 + 2 * 11 + 1];
 		struct thread_data *td;
 		for (p = 0; p < g->p.nr_proc; p++) {
 			for (t = 0; t < g->p.nr_threads; t++) {