Merge 4.9.326 into android-4.9-q

Changes in 4.9.326 Bluetooth: L2CAP: Fix use-after-free caused by l2cap_chan_put ntfs: fix use-after-free in ntfs_ucsncmp() scsi: ufs: host: Hold reference returned by of_parse_phandle() net: ping6: Fix memleak in ipv6_renew_options(). net: sungem_phy: Add of_node_put() for reference returned by of_get_parent() netfilter: nf_queue: do not allow packet truncation below transport header offset ARM: crypto: comment out gcc warning that breaks clang builds mt7601u: add USB device ID for some versions of XiaoDu WiFi Dongle. ion: Make user_ion_handle_put_nolock() a void function selinux: Minor cleanups proc: Pass file mode to proc_pid_make_inode selinux: Clean up initialization of isec->sclass selinux: Convert isec->lock into a spinlock selinux: fix error initialization in inode_doinit_with_dentry() selinux: fix inode_doinit_with_dentry() LABEL_INVALID error handling include/uapi/linux/swab.h: fix userspace breakage, use __BITS_PER_LONG for swap init/main: Fix double "the" in comment init/main: properly align the multi-line comment init: move stack canary initialization after setup_arch init/main.c: extract early boot entropy from the passed cmdline ACPI: video: Force backlight native for some TongFang devices ACPI: video: Shortening quirk list by identifying Clevo by board_name only random: only call boot_init_stack_canary() once macintosh/adb: fix oob read in do_adb_query() function ALSA: bcd2000: Fix a UAF bug on the error path of probing add barriers to buffer_uptodate and set_buffer_uptodate KVM: SVM: Don't BUG if userspace injects an interrupt with GIF=0 KVM: x86: Mark TSS busy during LTR emulation _after_ all fault checks ALSA: hda/conexant: Add quirk for LENOVO 20149 Notebook model ALSA: hda/cirrus - support for iMac 12,1 model vfs: Check the truncate maximum size in inode_newsize_ok() usbnet: Fix linkwatch use-after-free on disconnect parisc: Fix device names in /proc/iomem drm/nouveau: fix another off-by-one in nvbios_addr bpf: fix overflow in prog accounting fuse: limit nsec md-raid10: fix KASAN warning ia64, processor: fix -Wincompatible-pointer-types in ia64_get_irr() PCI: Add defines for normal and subtractive PCI bridges powerpc/fsl-pci: Fix Class Code of PCIe Root Port powerpc/powernv: Avoid crashing if rng is NULL MIPS: cpuinfo: Fix a warning for CONFIG_CPUMASK_OFFSTACK USB: HCD: Fix URB giveback issue in tasklet function netfilter: nf_tables: fix null deref due to zeroed list head scsi: zfcp: Fix missing auto port scan and thus missing target ports x86/olpc: fix 'logical not is only applied to the left hand side' spmi: trace: fix stack-out-of-bound access in SPMI tracing functions ext4: add EXT4_INODE_HAS_XATTR_SPACE macro in xattr.h ext4: make sure ext4_append() always allocates new block ext4: fix use-after-free in ext4_xattr_set_entry ext4: update s_overhead_clusters in the superblock during an on-line resize ext4: fix extent status tree race in writeback error recovery path ext4: correct max_inline_xattr_value_size computing dm raid: fix address sanitizer warning in raid_status net_sched: cls_route: remove from list when handle is 0 btrfs: reject log replay if there is unsupported RO compat flag tcp: fix over estimation in sk_forced_mem_schedule() scsi: sg: Allow waiting for commands to complete on removed device Revert "net: usb: ax88179_178a needs FLAG_SEND_ZLP" Bluetooth: L2CAP: Fix l2cap_global_chan_by_psm regression nios2: time: Read timer in get_cycles only if initialized net/9p: Initialize the iounit field during fid creation net_sched: cls_route: disallow handle of 0 ALSA: info: Fix llseek return value when using callback rds: add missing barrier to release_refill ata: libata-eh: Add missing command name btrfs: fix lost error handling when looking up extended ref on log replay can: ems_usb: fix clang's -Wunaligned-access warning NFSv4.1: RECLAIM_COMPLETE must handle EACCES SUNRPC: Reinitialise the backchannel request buffers before reuse pinctrl: nomadik: Fix refcount leak in nmk_pinctrl_dt_subnode_to_map pinctrl: qcom: msm8916: Allow CAMSS GP clocks to be muxed vsock: Fix memory leak in vsock_connect() xen/xenbus: fix return type in xenbus_file_read() atm: idt77252: fix use-after-free bugs caused by tst_timer nios2: page fault et.al. are *not* restartable syscalls... nios2: don't leave NULLs in sys_call_table[] nios2: traced syscall does need to check the syscall number nios2: fix syscall restart checks nios2: restarts apply only to the first sigframe we build... nios2: add force_successful_syscall_return() netfilter: nf_tables: really skip inactive sets when allocating name fec: Fix timer capture timing in `fec_ptp_enable_pps()` irqchip/tegra: Fix overflow implicit truncation warnings usb: host: ohci-ppc-of: Fix refcount leak bug gadgetfs: ep_io - wait until IRQ finishes cxl: Fix a memory leak in an error handling path drivers:md:fix a potential use-after-free bug ext4: avoid remove directory when directory is corrupted ext4: avoid resizing to a partial cluster size tty: serial: Fix refcount leak bug in ucc_uart.c vfio: Clear the caps->buf to NULL after free mips: cavium-octeon: Fix missing of_node_put() in octeon2_usb_clocks_start ALSA: core: Add async signal helpers ALSA: timer: Use deferred fasync helper powerpc/64: Init jump labels before parse_early_param() video: fbdev: i740fb: Check the argument of i740_calc_vclk() MIPS: tlbex: Explicitly compare _PAGE_NO_EXEC against 0 Linux 4.9.326 Signed-off-by: Greg Kroah-Hartman <gregkh@google.com> Change-Id: I3ca17af58cd0c61bd81028c496849592cfd22f0f
2022-08-25 12:09:51 +02:00
parent 699e4947e3 c97531caf7
commit 33296e8a81
97 changed files with 747 additions and 298 deletions
--- a/2
+++ b/2
@@ -1,6 +1,6 @@
 VERSION = 4
 PATCHLEVEL = 9
-SUBLEVEL = 325
+SUBLEVEL = 326
 EXTRAVERSION =
 NAME = Roaring Lionus

--- a/arch/arm/lib/xor-neon.c
+++ b/arch/arm/lib/xor-neon.c
@@ -29,8 +29,9 @@ MODULE_LICENSE("GPL");
 * While older versions of GCC do not generate incorrect code, they fail to
 * recognize the parallel nature of these functions, and emit plain ARM code,
 * which is known to be slower than the optimized ARM code in asm-arm/xor.h.
+ *
+ * #warning This code requires at least version 4.6 of GCC
 */
-#warning This code requires at least version 4.6 of GCC
 #endif

 #pragma GCC diagnostic ignored "-Wunused-variable"
--- a/arch/ia64/include/asm/processor.h
+++ b/arch/ia64/include/asm/processor.h
@@ -554,7 +554,7 @@ ia64_get_irr(unsigned int vector)
 {
 	unsigned int reg = vector / 64;
 	unsigned int bit = vector % 64;
-	u64 irr;
+	unsigned long irr;

 	switch (reg) {
 	case 0: irr = ia64_getreg(_IA64_REG_CR_IRR0); break;
--- a/arch/mips/cavium-octeon/octeon-platform.c
+++ b/arch/mips/cavium-octeon/octeon-platform.c
@@ -130,11 +130,12 @@ static void octeon2_usb_clocks_start(struct device *dev)
 					 "refclk-frequency", &clock_rate);
 		if (i) {
 			dev_err(dev, "No UCTL \"refclk-frequency\"\n");
+			of_node_put(uctl_node);
 			goto exit;
 		}
 		i = of_property_read_string(uctl_node,
 					    "refclk-type", &clock_type);
-
+		of_node_put(uctl_node);
 		if (!i && strcmp("crystal", clock_type) == 0)
 			is_crystal_clock = true;
 	}
--- a/arch/mips/kernel/proc.c
+++ b/arch/mips/kernel/proc.c
@@ -162,7 +162,7 @@ static void *c_start(struct seq_file *m, loff_t *pos)
 {
 	unsigned long i = *pos;

-	return i < NR_CPUS ? (void *) (i + 1) : NULL;
+	return i < nr_cpu_ids ? (void *) (i + 1) : NULL;
 }

 static void *c_next(struct seq_file *m, void *v, loff_t *pos)
--- a/arch/mips/mm/tlbex.c
+++ b/arch/mips/mm/tlbex.c
@@ -637,7 +637,7 @@ static __maybe_unused void build_convert_pte_to_entrylo(u32 **p,
 		return;
 	}

-	if (cpu_has_rixi && !!_PAGE_NO_EXEC) {
+	if (cpu_has_rixi && _PAGE_NO_EXEC != 0) {
 		if (fill_includes_sw_bits) {
 			UASM_i_ROTR(p, reg, reg, ilog2(_PAGE_GLOBAL));
 		} else {
@@ -2518,7 +2518,7 @@ static void check_pabits(void)
 	unsigned long entry;
 	unsigned pabits, fillbits;

-	if (!cpu_has_rixi || !_PAGE_NO_EXEC) {
+	if (!cpu_has_rixi || _PAGE_NO_EXEC == 0) {
 		/*
 		 * We'll only be making use of the fact that we can rotate bits
 		 * into the fill if the CPU supports RIXI, so don't bother
--- a/arch/nios2/include/asm/entry.h
+++ b/arch/nios2/include/asm/entry.h
@@ -50,7 +50,8 @@
 	stw	r13, PT_R13(sp)
 	stw	r14, PT_R14(sp)
 	stw	r15, PT_R15(sp)
-	stw	r2, PT_ORIG_R2(sp)
+	movi	r24, -1
+	stw	r24, PT_ORIG_R2(sp)
 	stw	r7, PT_ORIG_R7(sp)

 	stw	ra, PT_RA(sp)
--- a/arch/nios2/include/asm/ptrace.h
+++ b/arch/nios2/include/asm/ptrace.h
@@ -74,6 +74,8 @@ extern void show_regs(struct pt_regs *);
 	((struct pt_regs *)((unsigned long)current_thread_info() + THREAD_SIZE)\
 		- 1)

+#define force_successful_syscall_return() (current_pt_regs()->orig_r2 = -1)
+
 int do_syscall_trace_enter(void);
 void do_syscall_trace_exit(void);
 #endif /* __ASSEMBLY__ */
--- a/arch/nios2/kernel/entry.S
+++ b/arch/nios2/kernel/entry.S
@@ -185,6 +185,7 @@ ENTRY(handle_system_call)
 	ldw	r5, PT_R5(sp)

 local_restart:
+	stw	r2, PT_ORIG_R2(sp)
 	/* Check that the requested system call is within limits */
 	movui	r1, __NR_syscalls
 	bgeu	r2, r1, ret_invsyscall
@@ -192,7 +193,6 @@ local_restart:
 	movhi	r11, %hiadj(sys_call_table)
 	add	r1, r1, r11
 	ldw	r1, %lo(sys_call_table)(r1)
-	beq	r1, r0, ret_invsyscall

 	/* Check if we are being traced */
 	GET_THREAD_INFO r11
@@ -213,6 +213,9 @@ local_restart:
 translate_rc_and_ret:
 	movi	r1, 0
 	bge	r2, zero, 3f
+	ldw	r1, PT_ORIG_R2(sp)
+	addi	r1, r1, 1
+	beq	r1, zero, 3f
 	sub	r2, zero, r2
 	movi	r1, 1
 3:
@@ -255,9 +258,9 @@ traced_system_call:
 	ldw	r6, PT_R6(sp)
 	ldw	r7, PT_R7(sp)

-	/* Fetch the syscall function, we don't need to check the boundaries
-	 * since this is already done.
-	 */
+	/* Fetch the syscall function. */
+	movui	r1, __NR_syscalls
+	bgeu	r2, r1, traced_invsyscall
 	slli	r1, r2, 2
 	movhi	r11,%hiadj(sys_call_table)
 	add	r1, r1, r11
@@ -276,6 +279,9 @@ traced_system_call:
 translate_rc_and_ret2:
 	movi	r1, 0
 	bge	r2, zero, 4f
+	ldw	r1, PT_ORIG_R2(sp)
+	addi	r1, r1, 1
+	beq	r1, zero, 4f
 	sub	r2, zero, r2
 	movi	r1, 1
 4:
@@ -287,6 +293,11 @@ end_translate_rc_and_ret2:
 	RESTORE_SWITCH_STACK
 	br	ret_from_exception

+	/* If the syscall number was invalid return ENOSYS */
+traced_invsyscall:
+	movi	r2, -ENOSYS
+	br	translate_rc_and_ret2
+
 Luser_return:
 	GET_THREAD_INFO	r11			/* get thread_info pointer */
 	ldw	r10, TI_FLAGS(r11)		/* get thread_info->flags */
@@ -336,9 +347,6 @@ external_interrupt:
 	/* skip if no interrupt is pending */
 	beq	r12, r0, ret_from_interrupt

-	movi	r24, -1
-	stw	r24, PT_ORIG_R2(sp)
-
 	/*
 	 * Process an external hardware interrupt.
 	 */
--- a/arch/nios2/kernel/signal.c
+++ b/arch/nios2/kernel/signal.c
@@ -240,7 +240,7 @@ static int do_signal(struct pt_regs *regs)
 	/*
 	 * If we were from a system call, check for system call restarting...
 	 */
-	if (regs->orig_r2 >= 0) {
+	if (regs->orig_r2 >= 0 && regs->r1) {
 		continue_addr = regs->ea;
 		restart_addr = continue_addr - 4;
 		retval = regs->r2;
@@ -261,6 +261,7 @@ static int do_signal(struct pt_regs *regs)
 			regs->ea = restart_addr;
 			break;
 		}
+		regs->orig_r2 = -1;
 	}

 	if (get_signal(&ksig)) {
--- a/arch/nios2/kernel/syscall_table.c
+++ b/arch/nios2/kernel/syscall_table.c
@@ -25,5 +25,6 @@
 #define __SYSCALL(nr, call) [nr] = (call),

 void *sys_call_table[__NR_syscalls] = {
+	[0 ... __NR_syscalls-1] = sys_ni_syscall,
 #include <asm/unistd.h>
 };
--- a/arch/nios2/kernel/time.c
+++ b/arch/nios2/kernel/time.c
@@ -107,7 +107,10 @@ static struct nios2_clocksource nios2_cs = {

 cycles_t get_cycles(void)
 {
-	return nios2_timer_read(&nios2_cs.cs);
+	/* Only read timer if it has been initialized */
+	if (nios2_cs.timer.base)
+		return nios2_timer_read(&nios2_cs.cs);
+	return 0;
 }
 EXPORT_SYMBOL(get_cycles);

--- a/arch/parisc/kernel/drivers.c
+++ b/arch/parisc/kernel/drivers.c
@@ -504,7 +504,6 @@ alloc_pa_dev(unsigned long hpa, struct hardware_path *mod_path)
 	dev->id.hversion_rev = iodc_data[1] & 0x0f;
 	dev->id.sversion = ((iodc_data[4] & 0x0f) << 16) |
 			(iodc_data[5] << 8) | iodc_data[6];
-	dev->hpa.name = parisc_pathname(dev);
 	dev->hpa.start = hpa;
 	/* This is awkward.  The STI spec says that gfx devices may occupy
 	 * 32MB or 64MB.  Unfortunately, we don't know how to tell whether
@@ -518,10 +517,10 @@ alloc_pa_dev(unsigned long hpa, struct hardware_path *mod_path)
 		dev->hpa.end = hpa + 0xfff;
 	}
 	dev->hpa.flags = IORESOURCE_MEM;
-	name = parisc_hardware_description(&dev->id);
-	if (name) {
-		strlcpy(dev->name, name, sizeof(dev->name));
-	}
+	dev->hpa.name = dev->name;
+	name = parisc_hardware_description(&dev->id) ? : "unknown";
+	snprintf(dev->name, sizeof(dev->name), "%s [%s]",
+		name, parisc_pathname(dev));

 	/* Silently fail things like mouse ports which are subsumed within
 	 * the keyboard controller
--- a/arch/powerpc/kernel/prom.c
+++ b/arch/powerpc/kernel/prom.c
@@ -682,6 +682,13 @@ void __init early_init_devtree(void *params)
 	of_scan_flat_dt(early_init_dt_scan_root, NULL);
 	of_scan_flat_dt(early_init_dt_scan_memory_ppc, NULL);

+	/*
+	 * As generic code authors expect to be able to use static keys
+	 * in early_param() handlers, we initialize the static keys just
+	 * before parsing early params (it's fine to call jump_label_init()
+	 * more than once).
+	 */
+	jump_label_init();
 	parse_early_param();

 	/* make sure we've parsed cmdline for mem= before this */
--- a/arch/powerpc/platforms/powernv/rng.c
+++ b/arch/powerpc/platforms/powernv/rng.c
@@ -67,6 +67,8 @@ int powernv_get_random_real_mode(unsigned long *v)
 	struct powernv_rng *rng;

 	rng = raw_cpu_read(powernv_rng);
+	if (!rng)
+		return 0;

 	*v = rng_whiten(rng, in_rm64(rng->regs_real));

--- a/arch/powerpc/sysdev/fsl_pci.c
+++ b/arch/powerpc/sysdev/fsl_pci.c
@@ -524,6 +524,7 @@ int fsl_add_bridge(struct platform_device *pdev, int is_primary)
 	struct resource rsrc;
 	const int *bus_range;
 	u8 hdr_type, progif;
+	u32 class_code;
 	struct device_node *dev;
 	struct ccsr_pci __iomem *pci;
 	u16 temp;
@@ -597,6 +598,13 @@ int fsl_add_bridge(struct platform_device *pdev, int is_primary)
 			PPC_INDIRECT_TYPE_SURPRESS_PRIMARY_BUS;
 		if (fsl_pcie_check_link(hose))
 			hose->indirect_type |= PPC_INDIRECT_TYPE_NO_PCIE_LINK;
+		/* Fix Class Code to PCI_CLASS_BRIDGE_PCI_NORMAL for pre-3.0 controller */
+		if (in_be32(&pci->block_rev1) < PCIE_IP_REV_3_0) {
+			early_read_config_dword(hose, 0, 0, PCIE_FSL_CSR_CLASSCODE, &class_code);
+			class_code &= 0xff;
+			class_code |= PCI_CLASS_BRIDGE_PCI_NORMAL << 8;
+			early_write_config_dword(hose, 0, 0, PCIE_FSL_CSR_CLASSCODE, class_code);
+		}
 	} else {
 		/*
 		 * Set PBFR(PCI Bus Function Register)[10] = 1 to
--- a/arch/powerpc/sysdev/fsl_pci.h
+++ b/arch/powerpc/sysdev/fsl_pci.h
@@ -23,6 +23,7 @@ struct platform_device;

 #define PCIE_LTSSM	0x0404		/* PCIE Link Training and Status */
 #define PCIE_LTSSM_L0	0x16		/* L0 state */
+#define PCIE_FSL_CSR_CLASSCODE	0x474	/* FSL GPEX CSR */
 #define PCIE_IP_REV_2_2		0x02080202 /* PCIE IP block version Rev2.2 */
 #define PCIE_IP_REV_3_0		0x02080300 /* PCIE IP block version Rev3.0 */
 #define PIWAR_EN		0x80000000	/* Enable */
--- a/arch/x86/kvm/emulate.c
+++ b/arch/x86/kvm/emulate.c
@@ -1713,16 +1713,6 @@ static int __load_segment_descriptor(struct x86_emulate_ctxt *ctxt,
 	case VCPU_SREG_TR:
 		if (seg_desc.s || (seg_desc.type != 1 && seg_desc.type != 9))
 			goto exception;
-		if (!seg_desc.p) {
-			err_vec = NP_VECTOR;
-			goto exception;
-		}
-		old_desc = seg_desc;
-		seg_desc.type |= 2; /* busy */
-		ret = ctxt->ops->cmpxchg_emulated(ctxt, desc_addr, &old_desc, &seg_desc,
-						  sizeof(seg_desc), &ctxt->exception);
-		if (ret != X86EMUL_CONTINUE)
-			return ret;
 		break;
 	case VCPU_SREG_LDTR:
 		if (seg_desc.s || seg_desc.type != 2)
@@ -1763,6 +1753,15 @@ static int __load_segment_descriptor(struct x86_emulate_ctxt *ctxt,
 					     ((u64)base3 << 32)))
 			return emulate_gp(ctxt, 0);
 	}
+
+	if (seg == VCPU_SREG_TR) {
+		old_desc = seg_desc;
+		seg_desc.type |= 2; /* busy */
+		ret = ctxt->ops->cmpxchg_emulated(ctxt, desc_addr, &old_desc, &seg_desc,
+						  sizeof(seg_desc), &ctxt->exception);
+		if (ret != X86EMUL_CONTINUE)
+			return ret;
+	}
 load:
 	ctxt->ops->set_segment(ctxt, selector, &seg_desc, base3, seg);
 	if (desc)
--- a/arch/x86/kvm/svm.c
+++ b/arch/x86/kvm/svm.c
@@ -4492,8 +4492,6 @@ static void svm_set_irq(struct kvm_vcpu *vcpu)
 {
 	struct vcpu_svm *svm = to_svm(vcpu);

-	BUG_ON(!(gif_set(svm)));
-
 	trace_kvm_inj_virq(vcpu->arch.interrupt.nr);
 	++vcpu->stat.irq_injections;

--- a/arch/x86/platform/olpc/olpc-xo1-sci.c
+++ b/arch/x86/platform/olpc/olpc-xo1-sci.c
@@ -85,7 +85,7 @@ static void send_ebook_state(void)
 		return;
 	}

-	if (!!test_bit(SW_TABLET_MODE, ebook_switch_idev->sw) == state)
+	if (test_bit(SW_TABLET_MODE, ebook_switch_idev->sw) == !!state)
 		return; /* Nothing new to report. */

 	input_report_switch(ebook_switch_idev, SW_TABLET_MODE, state);
--- a/drivers/acpi/video_detect.c
+++ b/drivers/acpi/video_detect.c
@@ -150,23 +150,6 @@ static const struct dmi_system_id video_detect_dmi_table[] = {
 	.callback = video_detect_force_native,
 	.ident = "Clevo NL5xRU",
 	.matches = {
-		DMI_MATCH(DMI_SYS_VENDOR, "TUXEDO"),
-		DMI_MATCH(DMI_BOARD_NAME, "NL5xRU"),
-		},
-	},
-	{
-	.callback = video_detect_force_native,
-	.ident = "Clevo NL5xRU",
-	.matches = {
-		DMI_MATCH(DMI_SYS_VENDOR, "SchenkerTechnologiesGmbH"),
-		DMI_MATCH(DMI_BOARD_NAME, "NL5xRU"),
-		},
-	},
-	{
-	.callback = video_detect_force_native,
-	.ident = "Clevo NL5xRU",
-	.matches = {
-		DMI_MATCH(DMI_SYS_VENDOR, "Notebook"),
 		DMI_MATCH(DMI_BOARD_NAME, "NL5xRU"),
 		},
 	},
@@ -189,28 +172,60 @@ static const struct dmi_system_id video_detect_dmi_table[] = {
 	{
 	.callback = video_detect_force_native,
 	.ident = "Clevo NL5xNU",
+	.matches = {
+		DMI_MATCH(DMI_BOARD_NAME, "NL5xNU"),
+		},
+	},
+	/*
+	 * The TongFang PF5PU1G, PF4NU1F, PF5NU1G, and PF5LUXG/TUXEDO BA15 Gen10,
+	 * Pulse 14/15 Gen1, and Pulse 15 Gen2 have the same problem as the Clevo
+	 * NL5xRU and NL5xNU/TUXEDO Aura 15 Gen1 and Gen2. See the description
+	 * above.
+	 */
+	{
+	.callback = video_detect_force_native,
+	.ident = "TongFang PF5PU1G",
+	.matches = {
+		DMI_MATCH(DMI_BOARD_NAME, "PF5PU1G"),
+		},
+	},
+	{
+	.callback = video_detect_force_native,
+	.ident = "TongFang PF4NU1F",
+	.matches = {
+		DMI_MATCH(DMI_BOARD_NAME, "PF4NU1F"),
+		},
+	},
+	{
+	.callback = video_detect_force_native,
+	.ident = "TongFang PF4NU1F",
 	.matches = {
 		DMI_MATCH(DMI_SYS_VENDOR, "TUXEDO"),
-		DMI_MATCH(DMI_BOARD_NAME, "NL5xNU"),
+		DMI_MATCH(DMI_BOARD_NAME, "PULSE1401"),
 		},
 	},
 	{
 	.callback = video_detect_force_native,
-	.ident = "Clevo NL5xNU",
+	.ident = "TongFang PF5NU1G",
 	.matches = {
-		DMI_MATCH(DMI_SYS_VENDOR, "SchenkerTechnologiesGmbH"),
-		DMI_MATCH(DMI_BOARD_NAME, "NL5xNU"),
+		DMI_MATCH(DMI_BOARD_NAME, "PF5NU1G"),
 		},
 	},
 	{
 	.callback = video_detect_force_native,
-	.ident = "Clevo NL5xNU",
+	.ident = "TongFang PF5NU1G",
 	.matches = {
-		DMI_MATCH(DMI_SYS_VENDOR, "Notebook"),
-		DMI_MATCH(DMI_BOARD_NAME, "NL5xNU"),
+		DMI_MATCH(DMI_SYS_VENDOR, "TUXEDO"),
+		DMI_MATCH(DMI_BOARD_NAME, "PULSE1501"),
+		},
+	},
+	{
+	.callback = video_detect_force_native,
+	.ident = "TongFang PF5LUXG",
+	.matches = {
+		DMI_MATCH(DMI_BOARD_NAME, "PF5LUXG"),
 		},
 	},
-
 	/*
 	 * These models have a working acpi_video backlight control, and using
 	 * native backlight causes a regression where backlight does not work
--- a/drivers/ata/libata-eh.c
+++ b/drivers/ata/libata-eh.c
@@ -2439,6 +2439,7 @@ const char *ata_get_cmd_descript(u8 command)
 		{ ATA_CMD_WRITE_QUEUED_FUA_EXT, "WRITE DMA QUEUED FUA EXT" },
 		{ ATA_CMD_FPDMA_READ,		"READ FPDMA QUEUED" },
 		{ ATA_CMD_FPDMA_WRITE,		"WRITE FPDMA QUEUED" },
+		{ ATA_CMD_NCQ_NON_DATA,		"NCQ NON-DATA" },
 		{ ATA_CMD_FPDMA_SEND,		"SEND FPDMA QUEUED" },
 		{ ATA_CMD_FPDMA_RECV,		"RECEIVE FPDMA QUEUED" },
 		{ ATA_CMD_PIO_READ,		"READ SECTOR(S)" },
--- a/drivers/atm/idt77252.c
+++ b/drivers/atm/idt77252.c
@@ -3777,6 +3777,7 @@ static void __exit idt77252_exit(void)
 		card = idt77252_chain;
 		dev = card->atmdev;
 		idt77252_chain = card->next;
+		del_timer_sync(&card->tst_timer);

 		if (dev->phy->stop)
 			dev->phy->stop(dev);
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/bios/base.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/bios/base.c
@@ -33,7 +33,7 @@ nvbios_addr(struct nvkm_bios *bios, u32 *addr, u8 size)
 {
 	u32 p = *addr;

-	if (*addr > bios->image0_size && bios->imaged_addr) {
+	if (*addr >= bios->image0_size && bios->imaged_addr) {
 		*addr -= bios->image0_size;
 		*addr += bios->imaged_addr;
 	}
--- a/drivers/irqchip/irq-tegra.c
+++ b/drivers/irqchip/irq-tegra.c
@@ -157,10 +157,10 @@ static int tegra_ictlr_suspend(void)
 		lic->cop_iep[i] = readl_relaxed(ictlr + ICTLR_COP_IEP_CLASS);

 		/* Disable COP interrupts */
-		writel_relaxed(~0ul, ictlr + ICTLR_COP_IER_CLR);
+		writel_relaxed(GENMASK(31, 0), ictlr + ICTLR_COP_IER_CLR);

 		/* Disable CPU interrupts */
-		writel_relaxed(~0ul, ictlr + ICTLR_CPU_IER_CLR);
+		writel_relaxed(GENMASK(31, 0), ictlr + ICTLR_CPU_IER_CLR);

 		/* Enable the wakeup sources of ictlr */
 		writel_relaxed(lic->ictlr_wake_mask[i], ictlr + ICTLR_CPU_IER_SET);
@@ -181,12 +181,12 @@ static void tegra_ictlr_resume(void)

 		writel_relaxed(lic->cpu_iep[i],
 			       ictlr + ICTLR_CPU_IEP_CLASS);
-		writel_relaxed(~0ul, ictlr + ICTLR_CPU_IER_CLR);
+		writel_relaxed(GENMASK(31, 0), ictlr + ICTLR_CPU_IER_CLR);
 		writel_relaxed(lic->cpu_ier[i],
 			       ictlr + ICTLR_CPU_IER_SET);
 		writel_relaxed(lic->cop_iep[i],
 			       ictlr + ICTLR_COP_IEP_CLASS);
-		writel_relaxed(~0ul, ictlr + ICTLR_COP_IER_CLR);
+		writel_relaxed(GENMASK(31, 0), ictlr + ICTLR_COP_IER_CLR);
 		writel_relaxed(lic->cop_ier[i],
 			       ictlr + ICTLR_COP_IER_SET);
 	}
@@ -321,7 +321,7 @@ static int __init tegra_ictlr_init(struct device_node *node,
 		lic->base[i] = base;

 		/* Disable all interrupts */
-		writel_relaxed(~0UL, base + ICTLR_CPU_IER_CLR);
+		writel_relaxed(GENMASK(31, 0), base + ICTLR_CPU_IER_CLR);
 		/* All interrupts target IRQ */
 		writel_relaxed(0, base + ICTLR_CPU_IEP_CLASS);

--- a/drivers/macintosh/adb.c
+++ b/drivers/macintosh/adb.c
@@ -650,7 +650,7 @@ do_adb_query(struct adb_request *req)

 	switch(req->data[1]) {
 	case ADB_QUERY_GETDEVINFO:
-		if (req->nbytes < 3)
+		if (req->nbytes < 3 || req->data[2] >= 16)
 			break;
 		mutex_lock(&adb_handler_mutex);
 		req->reply[0] = adb_handler[req->data[2]].original_address;
--- a/drivers/md/dm-raid.c
+++ b/drivers/md/dm-raid.c
@@ -3173,7 +3173,7 @@ static void raid_status(struct dm_target *ti, status_type_t type,
 {
 	struct raid_set *rs = ti->private;
 	struct mddev *mddev = &rs->md;
-	struct r5conf *conf = mddev->private;
+	struct r5conf *conf = rs_is_raid456(rs) ? mddev->private : NULL;
 	int i, max_nr_stripes = conf ? conf->max_nr_stripes : 0;
 	bool array_in_sync;
 	unsigned int raid_param_cnt = 1; /* at least 1 for chunksize */
--- a/drivers/md/raid10.c
+++ b/drivers/md/raid10.c
@@ -1785,9 +1785,12 @@ static int raid10_remove_disk(struct mddev *mddev, struct md_rdev *rdev)
 	int err = 0;
 	int number = rdev->raid_disk;
 	struct md_rdev **rdevp;
-	struct raid10_info *p = conf->mirrors + number;
+	struct raid10_info *p;

 	print_conf(conf);
+	if (unlikely(number >= mddev->raid_disks))
+		return 0;
+	p = conf->mirrors + number;
 	if (rdev == p->rdev)
 		rdevp = &p->rdev;
 	else if (rdev == p->replacement)
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -2513,10 +2513,10 @@ static void raid5_end_write_request(struct bio *bi)
 	if (!test_and_clear_bit(R5_DOUBLE_LOCKED, &sh->dev[i].flags))
 		clear_bit(R5_LOCKED, &sh->dev[i].flags);
 	set_bit(STRIPE_HANDLE, &sh->state);
-	raid5_release_stripe(sh);

 	if (sh->batch_head && sh != sh->batch_head)
 		raid5_release_stripe(sh->batch_head);
+	raid5_release_stripe(sh);
 }

 static void raid5_build_block(struct stripe_head *sh, int i, int previous)
--- a/drivers/misc/cxl/irq.c
+++ b/drivers/misc/cxl/irq.c
@@ -302,6 +302,7 @@ int afu_allocate_irqs(struct cxl_context *ctx, u32 count)

 out:
 	cxl_ops->release_irq_ranges(&ctx->irqs, ctx->afu->adapter);
+	bitmap_free(ctx->irq_bitmap);
 	afu_irq_name_free(ctx);
 	return -ENOMEM;
 }
--- a/drivers/net/can/usb/ems_usb.c
+++ b/drivers/net/can/usb/ems_usb.c
@@ -206,7 +206,7 @@ struct __packed ems_cpc_msg {
 	__le32 ts_sec;	/* timestamp in seconds */
 	__le32 ts_nsec;	/* timestamp in nano seconds */

-	union {
+	union __packed {
 		u8 generic[64];
 		struct cpc_can_msg can_msg;
 		struct cpc_can_params can_params;
--- a/drivers/net/ethernet/freescale/fec_ptp.c
+++ b/drivers/net/ethernet/freescale/fec_ptp.c
@@ -155,11 +155,7 @@ static int fec_ptp_enable_pps(struct fec_enet_private *fep, uint enable)
 		 * NSEC_PER_SEC - ts.tv_nsec. Add the remaining nanoseconds
 		 * to current timer would be next second.
 		 */
-		tempval = readl(fep->hwp + FEC_ATIME_CTRL);
-		tempval |= FEC_T_CTRL_CAPTURE;
-		writel(tempval, fep->hwp + FEC_ATIME_CTRL);
-
-		tempval = readl(fep->hwp + FEC_ATIME);
+		tempval = fep->cc.read(&fep->cc);
 		/* Convert the ptp local counter to 1588 timestamp */
 		ns = timecounter_cyc2time(&fep->tc, tempval);
 		ts = ns_to_timespec64(ns);
--- a/drivers/net/sungem_phy.c
+++ b/drivers/net/sungem_phy.c
@@ -453,6 +453,7 @@ static int bcm5421_init(struct mii_phy* phy)
 		int can_low_power = 1;
 		if (np == NULL || of_get_property(np, "no-autolowpower", NULL))
 			can_low_power = 0;
+		of_node_put(np);
 		if (can_low_power) {
 			/* Enable automatic low-power */
 			sungem_phy_write(phy, 0x1c, 0x9002);
--- a/drivers/net/usb/ax88179_178a.c
+++ b/drivers/net/usb/ax88179_178a.c
@@ -1703,7 +1703,7 @@ static const struct driver_info ax88179_info = {
 	.link_reset = ax88179_link_reset,
 	.reset = ax88179_reset,
 	.stop = ax88179_stop,
-	.flags = FLAG_ETHER | FLAG_FRAMING_AX | FLAG_SEND_ZLP,
+	.flags = FLAG_ETHER | FLAG_FRAMING_AX,
 	.rx_fixup = ax88179_rx_fixup,
 	.tx_fixup = ax88179_tx_fixup,
 };
@@ -1716,7 +1716,7 @@ static const struct driver_info ax88178a_info = {
 	.link_reset = ax88179_link_reset,
 	.reset = ax88179_reset,
 	.stop = ax88179_stop,
-	.flags = FLAG_ETHER | FLAG_FRAMING_AX | FLAG_SEND_ZLP,
+	.flags = FLAG_ETHER | FLAG_FRAMING_AX,
 	.rx_fixup = ax88179_rx_fixup,
 	.tx_fixup = ax88179_tx_fixup,
 };
@@ -1729,7 +1729,7 @@ static const struct driver_info cypress_GX3_info = {
 	.link_reset = ax88179_link_reset,
 	.reset = ax88179_reset,
 	.stop = ax88179_stop,
-	.flags = FLAG_ETHER | FLAG_FRAMING_AX | FLAG_SEND_ZLP,
+	.flags = FLAG_ETHER | FLAG_FRAMING_AX,
 	.rx_fixup = ax88179_rx_fixup,
 	.tx_fixup = ax88179_tx_fixup,
 };
@@ -1742,7 +1742,7 @@ static const struct driver_info dlink_dub1312_info = {
 	.link_reset = ax88179_link_reset,
 	.reset = ax88179_reset,
 	.stop = ax88179_stop,
-	.flags = FLAG_ETHER | FLAG_FRAMING_AX | FLAG_SEND_ZLP,
+	.flags = FLAG_ETHER | FLAG_FRAMING_AX,
 	.rx_fixup = ax88179_rx_fixup,
 	.tx_fixup = ax88179_tx_fixup,
 };
@@ -1755,7 +1755,7 @@ static const struct driver_info sitecom_info = {
 	.link_reset = ax88179_link_reset,
 	.reset = ax88179_reset,
 	.stop = ax88179_stop,
-	.flags = FLAG_ETHER | FLAG_FRAMING_AX | FLAG_SEND_ZLP,
+	.flags = FLAG_ETHER | FLAG_FRAMING_AX,
 	.rx_fixup = ax88179_rx_fixup,
 	.tx_fixup = ax88179_tx_fixup,
 };
@@ -1768,7 +1768,7 @@ static const struct driver_info samsung_info = {
 	.link_reset = ax88179_link_reset,
 	.reset = ax88179_reset,
 	.stop = ax88179_stop,
-	.flags = FLAG_ETHER | FLAG_FRAMING_AX | FLAG_SEND_ZLP,
+	.flags = FLAG_ETHER | FLAG_FRAMING_AX,
 	.rx_fixup = ax88179_rx_fixup,
 	.tx_fixup = ax88179_tx_fixup,
 };
@@ -1781,7 +1781,7 @@ static const struct driver_info lenovo_info = {
 	.link_reset = ax88179_link_reset,
 	.reset = ax88179_reset,
 	.stop = ax88179_stop,
-	.flags = FLAG_ETHER | FLAG_FRAMING_AX | FLAG_SEND_ZLP,
+	.flags = FLAG_ETHER | FLAG_FRAMING_AX,
 	.rx_fixup = ax88179_rx_fixup,
 	.tx_fixup = ax88179_tx_fixup,
 };
--- a/drivers/net/usb/usbnet.c
+++ b/drivers/net/usb/usbnet.c
@@ -847,13 +847,11 @@ int usbnet_stop (struct net_device *net)

 	mpn = !test_and_clear_bit(EVENT_NO_RUNTIME_PM, &dev->flags);

-	/* deferred work (task, timer, softirq) must also stop.
-	 * can't flush_scheduled_work() until we drop rtnl (later),
-	 * else workers could deadlock; so make workers a NOP.
-	 */
+	/* deferred work (timer, softirq, task) must also stop */
 	dev->flags = 0;
 	del_timer_sync (&dev->delay);
 	tasklet_kill (&dev->bh);
+	cancel_work_sync(&dev->kevent);
 	if (!pm)
 		usb_autopm_put_interface(dev->intf);

@@ -1577,8 +1575,6 @@ void usbnet_disconnect (struct usb_interface *intf)
 	net = dev->net;
 	unregister_netdev (net);

-	cancel_work_sync(&dev->kevent);
-
 	usb_scuttle_anchored_urbs(&dev->deferred);

 	if (dev->driver_info->unbind)
--- a/drivers/net/wireless/mediatek/mt7601u/usb.c
+++ b/drivers/net/wireless/mediatek/mt7601u/usb.c
@@ -34,6 +34,7 @@ static struct usb_device_id mt7601u_device_table[] = {
 	{ USB_DEVICE(0x2717, 0x4106) },
 	{ USB_DEVICE(0x2955, 0x0001) },
 	{ USB_DEVICE(0x2955, 0x1001) },
+	{ USB_DEVICE(0x2955, 0x1003) },
 	{ USB_DEVICE(0x2a5f, 0x1000) },
 	{ USB_DEVICE(0x7392, 0x7710) },
 	{ 0, }
--- a/drivers/pinctrl/nomadik/pinctrl-nomadik.c
+++ b/drivers/pinctrl/nomadik/pinctrl-nomadik.c
@@ -1455,8 +1455,10 @@ static int nmk_pinctrl_dt_subnode_to_map(struct pinctrl_dev *pctldev,

 	has_config = nmk_pinctrl_dt_get_config(np, &configs);
 	np_config = of_parse_phandle(np, "ste,config", 0);
-	if (np_config)
+	if (np_config) {
 		has_config |= nmk_pinctrl_dt_get_config(np_config, &configs);
+		of_node_put(np_config);
+	}
 	if (has_config) {
 		const char *gpio_name;
 		const char *pin;
--- a/drivers/pinctrl/qcom/pinctrl-msm8916.c
+++ b/drivers/pinctrl/qcom/pinctrl-msm8916.c
@@ -852,8 +852,8 @@ static const struct msm_pingroup msm8916_groups[] = {
 	PINGROUP(28, pwr_modem_enabled_a, NA, NA, NA, NA, NA, qdss_tracedata_b, NA, atest_combodac),
 	PINGROUP(29, cci_i2c, NA, NA, NA, NA, NA, qdss_tracedata_b, NA, atest_combodac),
 	PINGROUP(30, cci_i2c, NA, NA, NA, NA, NA, NA, NA, qdss_tracedata_b),
-	PINGROUP(31, cci_timer0, NA, NA, NA, NA, NA, NA, NA, NA),
-	PINGROUP(32, cci_timer1, NA, NA, NA, NA, NA, NA, NA, NA),
+	PINGROUP(31, cci_timer0, flash_strobe, NA, NA, NA, NA, NA, NA, NA),
+	PINGROUP(32, cci_timer1, flash_strobe, NA, NA, NA, NA, NA, NA, NA),
 	PINGROUP(33, cci_async, NA, NA, NA, NA, NA, NA, NA, qdss_tracedata_b),
 	PINGROUP(34, pwr_nav_enabled_a, NA, NA, NA, NA, NA, NA, NA, qdss_tracedata_b),
 	PINGROUP(35, pwr_crypto_enabled_a, NA, NA, NA, NA, NA, NA, NA, qdss_tracedata_b),
--- a/drivers/s390/scsi/zfcp_fc.c
+++ b/drivers/s390/scsi/zfcp_fc.c
@@ -144,27 +144,33 @@ void zfcp_fc_enqueue_event(struct zfcp_adapter *adapter,

 static int zfcp_fc_wka_port_get(struct zfcp_fc_wka_port *wka_port)
 {
+	int ret = -EIO;
+
 	if (mutex_lock_interruptible(&wka_port->mutex))
 		return -ERESTARTSYS;

 	if (wka_port->status == ZFCP_FC_WKA_PORT_OFFLINE ||
 	    wka_port->status == ZFCP_FC_WKA_PORT_CLOSING) {
 		wka_port->status = ZFCP_FC_WKA_PORT_OPENING;
-		if (zfcp_fsf_open_wka_port(wka_port))
+		if (zfcp_fsf_open_wka_port(wka_port)) {
+			/* could not even send request, nothing to wait for */
 			wka_port->status = ZFCP_FC_WKA_PORT_OFFLINE;
+			goto out;
+		}
 	}

-	mutex_unlock(&wka_port->mutex);
-
-	wait_event(wka_port->completion_wq,
+	wait_event(wka_port->opened,
 		   wka_port->status == ZFCP_FC_WKA_PORT_ONLINE ||
 		   wka_port->status == ZFCP_FC_WKA_PORT_OFFLINE);

 	if (wka_port->status == ZFCP_FC_WKA_PORT_ONLINE) {
 		atomic_inc(&wka_port->refcount);
-		return 0;
+		ret = 0;
+		goto out;
 	}
-	return -EIO;
+out:
+	mutex_unlock(&wka_port->mutex);
+	return ret;
 }

 static void zfcp_fc_wka_port_offline(struct work_struct *work)
@@ -180,9 +186,12 @@ static void zfcp_fc_wka_port_offline(struct work_struct *work)

 	wka_port->status = ZFCP_FC_WKA_PORT_CLOSING;
 	if (zfcp_fsf_close_wka_port(wka_port)) {
+		/* could not even send request, nothing to wait for */
 		wka_port->status = ZFCP_FC_WKA_PORT_OFFLINE;
-		wake_up(&wka_port->completion_wq);
+		goto out;
 	}
+	wait_event(wka_port->closed,
+		   wka_port->status == ZFCP_FC_WKA_PORT_OFFLINE);
 out:
 	mutex_unlock(&wka_port->mutex);
 }
@@ -192,13 +201,15 @@ static void zfcp_fc_wka_port_put(struct zfcp_fc_wka_port *wka_port)
 	if (atomic_dec_return(&wka_port->refcount) != 0)
 		return;
 	/* wait 10 milliseconds, other reqs might pop in */
-	schedule_delayed_work(&wka_port->work, HZ / 100);
+	queue_delayed_work(wka_port->adapter->work_queue, &wka_port->work,
+			   msecs_to_jiffies(10));
 }

 static void zfcp_fc_wka_port_init(struct zfcp_fc_wka_port *wka_port, u32 d_id,
 				  struct zfcp_adapter *adapter)
 {
-	init_waitqueue_head(&wka_port->completion_wq);
+	init_waitqueue_head(&wka_port->opened);
+	init_waitqueue_head(&wka_port->closed);

 	wka_port->adapter = adapter;
 	wka_port->d_id = d_id;
--- a/drivers/s390/scsi/zfcp_fc.h
+++ b/drivers/s390/scsi/zfcp_fc.h
@@ -169,7 +169,8 @@ enum zfcp_fc_wka_status {
 /**
 * struct zfcp_fc_wka_port - representation of well-known-address (WKA) FC port
 * @adapter: Pointer to adapter structure this WKA port belongs to
- * @completion_wq: Wait for completion of open/close command
+ * @opened: Wait for completion of open command
+ * @closed: Wait for completion of close command
 * @status: Current status of WKA port
 * @refcount: Reference count to keep port open as long as it is in use
 * @d_id: FC destination id or well-known-address
@@ -179,7 +180,8 @@ enum zfcp_fc_wka_status {
 */
 struct zfcp_fc_wka_port {
 	struct zfcp_adapter	*adapter;
-	wait_queue_head_t	completion_wq;
+	wait_queue_head_t	opened;
+	wait_queue_head_t	closed;
 	enum zfcp_fc_wka_status	status;
 	atomic_t		refcount;
 	u32			d_id;
--- a/drivers/s390/scsi/zfcp_fsf.c
+++ b/drivers/s390/scsi/zfcp_fsf.c
@@ -1582,7 +1582,7 @@ static void zfcp_fsf_open_wka_port_handler(struct zfcp_fsf_req *req)
 		wka_port->status = ZFCP_FC_WKA_PORT_ONLINE;
 	}
 out:
-	wake_up(&wka_port->completion_wq);
+	wake_up(&wka_port->opened);
 }

 /**
@@ -1640,7 +1640,7 @@ static void zfcp_fsf_close_wka_port_handler(struct zfcp_fsf_req *req)
 	}

 	wka_port->status = ZFCP_FC_WKA_PORT_OFFLINE;
-	wake_up(&wka_port->completion_wq);
+	wake_up(&wka_port->closed);
 }

 /**
--- a/drivers/scsi/sg.c
+++ b/drivers/scsi/sg.c
@@ -196,7 +196,7 @@ static void sg_link_reserve(Sg_fd * sfp, Sg_request * srp, int size);
 static void sg_unlink_reserve(Sg_fd * sfp, Sg_request * srp);
 static Sg_fd *sg_add_sfp(Sg_device * sdp);
 static void sg_remove_sfp(struct kref *);
-static Sg_request *sg_get_rq_mark(Sg_fd * sfp, int pack_id);
+static Sg_request *sg_get_rq_mark(Sg_fd * sfp, int pack_id, bool *busy);
 static Sg_request *sg_add_request(Sg_fd * sfp);
 static int sg_remove_request(Sg_fd * sfp, Sg_request * srp);
 static Sg_device *sg_get_dev(int dev);
@@ -418,6 +418,7 @@ sg_read(struct file *filp, char __user *buf, size_t count, loff_t * ppos)
 	Sg_fd *sfp;
 	Sg_request *srp;
 	int req_pack_id = -1;
+	bool busy;
 	sg_io_hdr_t *hp;
 	struct sg_header *old_hdr = NULL;
 	int retval = 0;
@@ -465,25 +466,19 @@ sg_read(struct file *filp, char __user *buf, size_t count, loff_t * ppos)
 		} else
 			req_pack_id = old_hdr->pack_id;
 	}
-	srp = sg_get_rq_mark(sfp, req_pack_id);
+	srp = sg_get_rq_mark(sfp, req_pack_id, &busy);
 	if (!srp) {		/* now wait on packet to arrive */
-		if (atomic_read(&sdp->detaching)) {
-			retval = -ENODEV;
-			goto free_old_hdr;
-		}
 		if (filp->f_flags & O_NONBLOCK) {
 			retval = -EAGAIN;
 			goto free_old_hdr;
 		}
 		retval = wait_event_interruptible(sfp->read_wait,
-			(atomic_read(&sdp->detaching) ||
-			(srp = sg_get_rq_mark(sfp, req_pack_id))));
-		if (atomic_read(&sdp->detaching)) {
-			retval = -ENODEV;
-			goto free_old_hdr;
-		}
-		if (retval) {
-			/* -ERESTARTSYS as signal hit process */
+			((srp = sg_get_rq_mark(sfp, req_pack_id, &busy)) ||
+			(!busy && atomic_read(&sdp->detaching))));
+		if (!srp) {
+			/* signal or detaching */
+			if (!retval)
+				retval = -ENODEV;
 			goto free_old_hdr;
 		}
 	}
@@ -936,9 +931,7 @@ sg_ioctl(struct file *filp, unsigned int cmd_in, unsigned long arg)
 		if (result < 0)
 			return result;
 		result = wait_event_interruptible(sfp->read_wait,
-			(srp_done(sfp, srp) || atomic_read(&sdp->detaching)));
-		if (atomic_read(&sdp->detaching))
-			return -ENODEV;
+			srp_done(sfp, srp));
 		write_lock_irq(&sfp->rq_list_lock);
 		if (srp->done) {
 			srp->done = 2;
@@ -2095,19 +2088,28 @@ sg_unlink_reserve(Sg_fd * sfp, Sg_request * srp)
 }

 static Sg_request *
-sg_get_rq_mark(Sg_fd * sfp, int pack_id)
+sg_get_rq_mark(Sg_fd * sfp, int pack_id, bool *busy)
 {
 	Sg_request *resp;
 	unsigned long iflags;

+	*busy = false;
 	write_lock_irqsave(&sfp->rq_list_lock, iflags);
 	list_for_each_entry(resp, &sfp->rq_list, entry) {
-		/* look for requests that are ready + not SG_IO owned */
-		if ((1 == resp->done) && (!resp->sg_io_owned) &&
+		/* look for requests that are not SG_IO owned */
+		if ((!resp->sg_io_owned) &&
 		    ((-1 == pack_id) || (resp->header.pack_id == pack_id))) {
-			resp->done = 2;	/* guard against other readers */
-			write_unlock_irqrestore(&sfp->rq_list_lock, iflags);
-			return resp;
+			switch (resp->done) {
+			case 0: /* request active */
+				*busy = true;
+				break;
+			case 1: /* request done; response ready to return */
+				resp->done = 2;	/* guard against other readers */
+				write_unlock_irqrestore(&sfp->rq_list_lock, iflags);
+				return resp;
+			case 2: /* response already being returned */
+				break;
+			}
 		}
 	}
 	write_unlock_irqrestore(&sfp->rq_list_lock, iflags);
@@ -2161,6 +2163,15 @@ sg_remove_request(Sg_fd * sfp, Sg_request * srp)
 		res = 1;
 	}
 	write_unlock_irqrestore(&sfp->rq_list_lock, iflags);
+
+	/*
+	 * If the device is detaching, wakeup any readers in case we just
+	 * removed the last response, which would leave nothing for them to
+	 * return other than -ENODEV.
+	 */
+	if (unlikely(atomic_read(&sfp->parentdp->detaching)))
+		wake_up_interruptible_all(&sfp->read_wait);
+
 	return res;
 }

--- a/drivers/scsi/ufs/ufshcd-pltfrm.c
+++ b/drivers/scsi/ufs/ufshcd-pltfrm.c
@@ -126,9 +126,20 @@ out:
 	return ret;
 }

+static bool phandle_exists(const struct device_node *np,
+			   const char *phandle_name, int index)
+{
+	struct device_node *parse_np = of_parse_phandle(np, phandle_name, index);
+
+	if (parse_np)
+		of_node_put(parse_np);
+
+	return parse_np != NULL;
+}
+
 #define MAX_PROP_SIZE 32
 static int ufshcd_populate_vreg(struct device *dev, const char *name,
-		struct ufs_vreg **out_vreg)
+				struct ufs_vreg **out_vreg)
 {
 	int ret = 0;
 	char prop_name[MAX_PROP_SIZE];
@@ -141,7 +152,7 @@ static int ufshcd_populate_vreg(struct device *dev, const char *name,
 	}

 	snprintf(prop_name, MAX_PROP_SIZE, "%s-supply", name);
-	if (!of_parse_phandle(np, prop_name, 0)) {
+	if (!phandle_exists(np, prop_name, 0)) {
 		dev_info(dev, "%s: Unable to find %s regulator, assuming enabled\n",
 				__func__, prop_name);
 		goto out;
--- a/drivers/staging/android/ion/ion-ioctl.c
+++ b/drivers/staging/android/ion/ion-ioctl.c
@@ -64,14 +64,10 @@ static struct ion_handle *pass_to_user(struct ion_handle *handle)
 }

 /* Must hold the client lock */
-static int user_ion_handle_put_nolock(struct ion_handle *handle)
+static void user_ion_handle_put_nolock(struct ion_handle *handle)
 {
-	int ret;
-
 	if (--handle->user_ref_count == 0)
-		ret = ion_handle_put_nolock(handle);
-
-	return ret;
+		ion_handle_put_nolock(handle);
 }

 static void user_ion_free_nolock(struct ion_client *client,
--- a/drivers/tty/serial/ucc_uart.c
+++ b/drivers/tty/serial/ucc_uart.c
@@ -1143,6 +1143,8 @@ static unsigned int soc_info(unsigned int *rev_h, unsigned int *rev_l)
 		/* No compatible property, so try the name. */
 		soc_string = np->name;

+	of_node_put(np);
+
 	/* Extract the SOC number from the "PowerPC," string */
 	if ((sscanf(soc_string, "PowerPC,%u", &soc) != 1) || !soc)
 		return 0;
--- a/drivers/usb/core/hcd.c
+++ b/drivers/usb/core/hcd.c
@@ -1803,7 +1803,6 @@ static void usb_giveback_urb_bh(unsigned long param)

 	spin_lock_irq(&bh->lock);
 	bh->running = true;
- restart:
 	list_replace_init(&bh->head, &local_list);
 	spin_unlock_irq(&bh->lock);

@@ -1817,10 +1816,17 @@ static void usb_giveback_urb_bh(unsigned long param)
 		bh->completing_ep = NULL;
 	}

-	/* check if there are new URBs to giveback */
+	/*
+	 * giveback new URBs next time to prevent this function
+	 * from not exiting for a long time.
+	 */
 	spin_lock_irq(&bh->lock);
-	if (!list_empty(&bh->head))
-		goto restart;
+	if (!list_empty(&bh->head)) {
+		if (bh->high_prio)
+			tasklet_hi_schedule(&bh->bh);
+		else
+			tasklet_schedule(&bh->bh);
+	}
 	bh->running = false;
 	spin_unlock_irq(&bh->lock);
 }
@@ -1845,7 +1851,7 @@ static void usb_giveback_urb_bh(unsigned long param)
 void usb_hcd_giveback_urb(struct usb_hcd *hcd, struct urb *urb, int status)
 {
 	struct giveback_urb_bh *bh;
-	bool running, high_prio_bh;
+	bool running;

 	/* pass status to tasklet via unlinked */
 	if (likely(!urb->unlinked))
@@ -1856,13 +1862,10 @@ void usb_hcd_giveback_urb(struct usb_hcd *hcd, struct urb *urb, int status)
 		return;
 	}

-	if (usb_pipeisoc(urb->pipe) || usb_pipeint(urb->pipe)) {
+	if (usb_pipeisoc(urb->pipe) || usb_pipeint(urb->pipe))
 		bh = &hcd->high_prio_bh;
-		high_prio_bh = true;
-	} else {
+	else
 		bh = &hcd->low_prio_bh;
-		high_prio_bh = false;
-	}

 	spin_lock(&bh->lock);
 	list_add_tail(&urb->urb_list, &bh->head);
@@ -1871,7 +1874,7 @@ void usb_hcd_giveback_urb(struct usb_hcd *hcd, struct urb *urb, int status)

 	if (running)
 		;
-	else if (high_prio_bh)
+	else if (bh->high_prio)
 		tasklet_hi_schedule(&bh->bh);
 	else
 		tasklet_schedule(&bh->bh);
@@ -2880,6 +2883,7 @@ int usb_add_hcd(struct usb_hcd *hcd,

 	/* initialize tasklets */
 	init_giveback_urb_bh(&hcd->high_prio_bh);
+	hcd->high_prio_bh.high_prio = true;
 	init_giveback_urb_bh(&hcd->low_prio_bh);

 	/* enable irqs just before we start the controller,
--- a/drivers/usb/gadget/legacy/inode.c
+++ b/drivers/usb/gadget/legacy/inode.c
@@ -365,6 +365,7 @@ ep_io (struct ep_data *epdata, void *buf, unsigned len)
 				spin_unlock_irq (&epdata->dev->lock);

 				DBG (epdata->dev, "endpoint gone\n");
+				wait_for_completion(&done);
 				epdata->status = -ENODEV;
 			}
 		}
--- a/drivers/usb/host/ohci-ppc-of.c
+++ b/drivers/usb/host/ohci-ppc-of.c
@@ -168,6 +168,7 @@ static int ohci_hcd_ppc_of_probe(struct platform_device *op)
 				release_mem_region(res.start, 0x4);
 		} else
 			pr_debug("%s: cannot get ehci offset from fdt\n", __FILE__);
+		of_node_put(np);
 	}

 	irq_dispose_mapping(irq);
--- a/drivers/vfio/vfio.c
+++ b/drivers/vfio/vfio.c
@@ -1793,6 +1793,7 @@ struct vfio_info_cap_header *vfio_info_cap_add(struct vfio_info_cap *caps,
 	buf = krealloc(caps->buf, caps->size + size, GFP_KERNEL);
 	if (!buf) {
 		kfree(caps->buf);
+		caps->buf = NULL;
 		caps->size = 0;
 		return ERR_PTR(-ENOMEM);
 	}
--- a/drivers/video/fbdev/i740fb.c
+++ b/drivers/video/fbdev/i740fb.c
@@ -399,7 +399,7 @@ static int i740fb_decode_var(const struct fb_var_screeninfo *var,
 	u32 xres, right, hslen, left, xtotal;
 	u32 yres, lower, vslen, upper, ytotal;
 	u32 vxres, xoffset, vyres, yoffset;
-	u32 bpp, base, dacspeed24, mem;
+	u32 bpp, base, dacspeed24, mem, freq;
 	u8 r7;
 	int i;

@@ -641,7 +641,12 @@ static int i740fb_decode_var(const struct fb_var_screeninfo *var,
 	par->atc[VGA_ATC_OVERSCAN] = 0;

 	/* Calculate VCLK that most closely matches the requested dot clock */
-	i740_calc_vclk((((u32)1e9) / var->pixclock) * (u32)(1e3), par);
+	freq = (((u32)1e9) / var->pixclock) * (u32)(1e3);
+	if (freq < I740_RFREQ_FIX) {
+		fb_dbg(info, "invalid pixclock\n");
+		freq = I740_RFREQ_FIX;
+	}
+	i740_calc_vclk(freq, par);

 	/* Since we program the clocks ourselves, always use VCLK2. */
 	par->misc |= 0x0C;
--- a/drivers/xen/xenbus/xenbus_dev_frontend.c
+++ b/drivers/xen/xenbus/xenbus_dev_frontend.c
@@ -122,7 +122,7 @@ static ssize_t xenbus_file_read(struct file *filp,
 {
 	struct xenbus_file_priv *u = filp->private_data;
 	struct read_buffer *rb;
-	unsigned i;
+	ssize_t i;
 	int ret;

 	mutex_lock(&u->reply_mutex);
@@ -142,7 +142,7 @@ again:
 	rb = list_entry(u->read_buffers.next, struct read_buffer, list);
 	i = 0;
 	while (i < len) {
-		unsigned sz = min((unsigned)len - i, rb->len - rb->cons);
+		size_t sz = min_t(size_t, len - i, rb->len - rb->cons);

 		ret = copy_to_user(ubuf + i, &rb->msg[rb->cons], sz);

--- a/fs/attr.c
+++ b/fs/attr.c
@@ -111,6 +111,8 @@ EXPORT_SYMBOL(setattr_prepare);
 */
 int inode_newsize_ok(const struct inode *inode, loff_t offset)
 {
+	if (offset < 0)
+		return -EINVAL;
 	if (inode->i_size < offset) {
 		unsigned long limit;

--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -2774,6 +2774,20 @@ int open_ctree(struct super_block *sb,
 		err = -EINVAL;
 		goto fail_alloc;
 	}
+	/*
+	 * We have unsupported RO compat features, although RO mounted, we
+	 * should not cause any metadata write, including log replay.
+	 * Or we could screw up whatever the new feature requires.
+	 */
+	if (unlikely(features && btrfs_super_log_root(disk_super) &&
+		     !btrfs_test_opt(fs_info, NOLOGREPLAY))) {
+		btrfs_err(fs_info,
+"cannot replay dirty log with unsupported compat_ro features (0x%llx), try rescue=nologreplay",
+			  features);
+		err = -EINVAL;
+		goto fail_alloc;
+	}
+

 	max_active = fs_info->thread_pool_size;

--- a/fs/btrfs/tree-log.c
+++ b/fs/btrfs/tree-log.c
@@ -1074,7 +1074,9 @@ again:
 	extref = btrfs_lookup_inode_extref(NULL, root, path, name, namelen,
 					   inode_objectid, parent_objectid, 0,
 					   0);
-	if (!IS_ERR_OR_NULL(extref)) {
+	if (IS_ERR(extref)) {
+		return PTR_ERR(extref);
+	} else if (extref) {
 		u32 item_size;
 		u32 cur_offset = 0;
 		unsigned long base;
--- a/fs/ext4/inline.c
+++ b/fs/ext4/inline.c
@@ -41,6 +41,9 @@ static int get_max_inline_xattr_value_size(struct inode *inode,
 	struct ext4_inode *raw_inode;
 	int free, min_offs;

+	if (!EXT4_INODE_HAS_XATTR_SPACE(inode))
+		return 0;
+
 	min_offs = EXT4_SB(inode->i_sb)->s_inode_size -
 			EXT4_GOOD_OLD_INODE_SIZE -
 			EXT4_I(inode)->i_extra_isize -
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -1673,7 +1673,14 @@ static void mpage_release_unused_pages(struct mpage_da_data *mpd,
 		ext4_lblk_t start, last;
 		start = index << (PAGE_SHIFT - inode->i_blkbits);
 		last = end << (PAGE_SHIFT - inode->i_blkbits);
+
+		/*
+		 * avoid racing with extent status tree scans made by
+		 * ext4_insert_delayed_block()
+		 */
+		down_write(&EXT4_I(inode)->i_data_sem);
 		ext4_es_remove_extent(inode, start, last - start + 1);
+		up_write(&EXT4_I(inode)->i_data_sem);
 	}

 	pagevec_init(&pvec, 0);
--- a/fs/ext4/namei.c
+++ b/fs/ext4/namei.c
@@ -51,6 +51,7 @@ static struct buffer_head *ext4_append(handle_t *handle,
 					struct inode *inode,
 					ext4_lblk_t *block)
 {
+	struct ext4_map_blocks map;
 	struct buffer_head *bh;
 	int err;

@@ -60,6 +61,21 @@ static struct buffer_head *ext4_append(handle_t *handle,
 		return ERR_PTR(-ENOSPC);

 	*block = inode->i_size >> inode->i_sb->s_blocksize_bits;
+	map.m_lblk = *block;
+	map.m_len = 1;
+
+	/*
+	 * We're appending new directory block. Make sure the block is not
+	 * allocated yet, otherwise we will end up corrupting the
+	 * directory.
+	 */
+	err = ext4_map_blocks(NULL, inode, &map, 0);
+	if (err < 0)
+		return ERR_PTR(err);
+	if (err) {
+		EXT4_ERROR_INODE(inode, "Logical block already allocated");
+		return ERR_PTR(-EFSCORRUPTED);
+	}

 	bh = ext4_bread(handle, inode, *block, EXT4_GET_BLOCKS_CREATE);
 	if (IS_ERR(bh))
@@ -2743,11 +2759,8 @@ bool ext4_empty_dir(struct inode *inode)
 		de = (struct ext4_dir_entry_2 *) (bh->b_data +
 					(offset & (sb->s_blocksize - 1)));
 		if (ext4_check_dir_entry(inode, NULL, de, bh,
-					 bh->b_data, bh->b_size, offset)) {
-			offset = (offset | (sb->s_blocksize - 1)) + 1;
-			continue;
-		}
-		if (le32_to_cpu(de->inode)) {
+					 bh->b_data, bh->b_size, offset) ||
+		    le32_to_cpu(de->inode)) {
 			brelse(bh);
 			return false;
 		}
--- a/fs/ext4/resize.c
+++ b/fs/ext4/resize.c
@@ -1446,6 +1446,7 @@ static void ext4_update_super(struct super_block *sb,
 	 * Update the fs overhead information
 	 */
 	ext4_calculate_overhead(sb);
+	es->s_overhead_clusters = cpu_to_le32(sbi->s_overhead);

 	if (test_opt(sb, DEBUG))
 		printk(KERN_DEBUG "EXT4-fs: added group %u:"
@@ -1940,6 +1941,16 @@ int ext4_resize_fs(struct super_block *sb, ext4_fsblk_t n_blocks_count)
 	}
 	brelse(bh);

+	/*
+	 * For bigalloc, trim the requested size to the nearest cluster
+	 * boundary to avoid creating an unusable filesystem. We do this
+	 * silently, instead of returning an error, to avoid breaking
+	 * callers that blindly resize the filesystem to the full size of
+	 * the underlying block device.
+	 */
+	if (ext4_has_feature_bigalloc(sb))
+		n_blocks_count &= ~((1 << EXT4_CLUSTER_BITS(sb)) - 1);
+
 retry:
 	o_blocks_count = ext4_blocks_count(es);

--- a/fs/ext4/xattr.c
+++ b/fs/ext4/xattr.c
@@ -1053,8 +1053,9 @@ int ext4_xattr_ibody_find(struct inode *inode, struct ext4_xattr_info *i,
 	struct ext4_inode *raw_inode;
 	int error;

-	if (EXT4_I(inode)->i_extra_isize == 0)
+	if (!EXT4_INODE_HAS_XATTR_SPACE(inode))
 		return 0;
+
 	raw_inode = ext4_raw_inode(&is->iloc);
 	header = IHDR(inode, raw_inode);
 	is->s.base = is->s.first = IFIRST(header);
@@ -1107,8 +1108,9 @@ static int ext4_xattr_ibody_set(handle_t *handle, struct inode *inode,
 	struct ext4_xattr_search *s = &is->s;
 	int error;

-	if (EXT4_I(inode)->i_extra_isize == 0)
+	if (!EXT4_INODE_HAS_XATTR_SPACE(inode))
 		return -ENOSPC;
+
 	error = ext4_xattr_set_entry(i, s, inode);
 	if (error)
 		return error;
--- a/fs/ext4/xattr.h
+++ b/fs/ext4/xattr.h
@@ -76,6 +76,19 @@ struct ext4_xattr_entry {

 #define EXT4_ZERO_XATTR_VALUE ((void *)-1)

+/*
+ * If we want to add an xattr to the inode, we should make sure that
+ * i_extra_isize is not 0 and that the inode size is not less than
+ * EXT4_GOOD_OLD_INODE_SIZE + extra_isize + pad.
+ *   EXT4_GOOD_OLD_INODE_SIZE   extra_isize header   entry   pad  data
+ * |--------------------------|------------|------|---------|---|-------|
+ */
+#define EXT4_INODE_HAS_XATTR_SPACE(inode)				\
+	((EXT4_I(inode)->i_extra_isize != 0) &&				\
+	 (EXT4_GOOD_OLD_INODE_SIZE + EXT4_I(inode)->i_extra_isize +	\
+	  sizeof(struct ext4_xattr_ibody_header) + EXT4_XATTR_PAD <=	\
+	  EXT4_INODE_SIZE((inode)->i_sb)))
+
 struct ext4_xattr_info {
 	int name_index;
 	const char *name;
--- a/fs/fuse/inode.c
+++ b/fs/fuse/inode.c
@@ -173,6 +173,12 @@ void fuse_change_attributes_common(struct inode *inode, struct fuse_attr *attr,
 	inode->i_uid     = make_kuid(&init_user_ns, attr->uid);
 	inode->i_gid     = make_kgid(&init_user_ns, attr->gid);
 	inode->i_blocks  = attr->blocks;
+
+	/* Sanitize nsecs */
+	attr->atimensec = min_t(u32, attr->atimensec, NSEC_PER_SEC - 1);
+	attr->mtimensec = min_t(u32, attr->mtimensec, NSEC_PER_SEC - 1);
+	attr->ctimensec = min_t(u32, attr->ctimensec, NSEC_PER_SEC - 1);
+
 	inode->i_atime.tv_sec   = attr->atime;
 	inode->i_atime.tv_nsec  = attr->atimensec;
 	/* mtime from server may be stale due to local buffered write */
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -8229,6 +8229,9 @@ static int nfs41_reclaim_complete_handle_errors(struct rpc_task *task, struct nf
 		rpc_delay(task, NFS4_POLL_RETRY_MAX);
 		/* fall through */
 	case -NFS4ERR_RETRY_UNCACHED_REP:
+	case -EACCES:
+		dprintk("%s: failed to reclaim complete error %d for server %s, retrying\n",
+			__func__, task->tk_status, clp->cl_hostname);
 		return -EAGAIN;
 	case -NFS4ERR_BADSESSION:
 	case -NFS4ERR_DEADSESSION:
--- a/fs/ntfs/attrib.c
+++ b/fs/ntfs/attrib.c
@@ -606,8 +606,12 @@ static int ntfs_attr_find(const ATTR_TYPE type, const ntfschar *name,
 		a = (ATTR_RECORD*)((u8*)ctx->attr +
 				le32_to_cpu(ctx->attr->length));
 	for (;;	a = (ATTR_RECORD*)((u8*)a + le32_to_cpu(a->length))) {
-		if ((u8*)a < (u8*)ctx->mrec || (u8*)a > (u8*)ctx->mrec +
-				le32_to_cpu(ctx->mrec->bytes_allocated))
+		u8 *mrec_end = (u8 *)ctx->mrec +
+		               le32_to_cpu(ctx->mrec->bytes_allocated);
+		u8 *name_end = (u8 *)a + le16_to_cpu(a->name_offset) +
+			       a->name_length * sizeof(ntfschar);
+		if ((u8*)a < (u8*)ctx->mrec || (u8*)a > mrec_end ||
+		    name_end > mrec_end)
 			break;
 		ctx->attr = a;
 		if (unlikely(le32_to_cpu(a->type) > le32_to_cpu(type) ||
--- a/fs/proc/base.c
+++ b/fs/proc/base.c
@@ -1677,7 +1677,8 @@ const struct inode_operations proc_pid_link_inode_operations = {

 /* building an inode */

-struct inode *proc_pid_make_inode(struct super_block * sb, struct task_struct *task)
+struct inode *proc_pid_make_inode(struct super_block * sb,
+				  struct task_struct *task, umode_t mode)
 {
 	struct inode * inode;
 	struct proc_inode *ei;
@@ -1691,6 +1692,7 @@ struct inode *proc_pid_make_inode(struct super_block * sb, struct task_struct *t

 	/* Common stuff */
 	ei = PROC_I(inode);
+	inode->i_mode = mode;
 	inode->i_ino = get_next_ino();
 	inode->i_mtime = inode->i_atime = inode->i_ctime = current_time(inode);
 	inode->i_op = &proc_def_inode_operations;
@@ -2042,7 +2044,9 @@ proc_map_files_instantiate(struct inode *dir, struct dentry *dentry,
 	struct proc_inode *ei;
 	struct inode *inode;

-	inode = proc_pid_make_inode(dir->i_sb, task);
+	inode = proc_pid_make_inode(dir->i_sb, task, S_IFLNK |
+				    ((mode & FMODE_READ ) ? S_IRUSR : 0) |
+				    ((mode & FMODE_WRITE) ? S_IWUSR : 0));
 	if (!inode)
 		return -ENOENT;

@@ -2051,12 +2055,6 @@ proc_map_files_instantiate(struct inode *dir, struct dentry *dentry,

 	inode->i_op = &proc_map_files_link_inode_operations;
 	inode->i_size = 64;
-	inode->i_mode = S_IFLNK;
-
-	if (mode & FMODE_READ)
-		inode->i_mode |= S_IRUSR;
-	if (mode & FMODE_WRITE)
-		inode->i_mode |= S_IWUSR;

 	d_set_d_op(dentry, &tid_map_files_dentry_operations);
 	d_add(dentry, inode);
@@ -2410,12 +2408,11 @@ static int proc_pident_instantiate(struct inode *dir,
 	struct inode *inode;
 	struct proc_inode *ei;

-	inode = proc_pid_make_inode(dir->i_sb, task);
+	inode = proc_pid_make_inode(dir->i_sb, task, p->mode);
 	if (!inode)
 		goto out;

 	ei = PROC_I(inode);
-	inode->i_mode = p->mode;
 	if (S_ISDIR(inode->i_mode))
 		set_nlink(inode, 2);	/* Use getattr to fix if necessary */
 	if (p->iop)
@@ -3123,11 +3120,10 @@ static int proc_pid_instantiate(struct inode *dir,
 {
 	struct inode *inode;

-	inode = proc_pid_make_inode(dir->i_sb, task);
+	inode = proc_pid_make_inode(dir->i_sb, task, S_IFDIR | S_IRUGO | S_IXUGO);
 	if (!inode)
 		goto out;

-	inode->i_mode = S_IFDIR|S_IRUGO|S_IXUGO;
 	inode->i_op = &proc_tgid_base_inode_operations;
 	inode->i_fop = &proc_tgid_base_operations;
 	inode->i_flags|=S_IMMUTABLE;
@@ -3422,11 +3418,10 @@ static int proc_task_instantiate(struct inode *dir,
 	struct dentry *dentry, struct task_struct *task, const void *ptr)
 {
 	struct inode *inode;
-	inode = proc_pid_make_inode(dir->i_sb, task);
+	inode = proc_pid_make_inode(dir->i_sb, task, S_IFDIR | S_IRUGO | S_IXUGO);

 	if (!inode)
 		goto out;
-	inode->i_mode = S_IFDIR|S_IRUGO|S_IXUGO;
 	inode->i_op = &proc_tid_base_inode_operations;
 	inode->i_fop = &proc_tid_base_operations;
 	inode->i_flags|=S_IMMUTABLE;
--- a/fs/proc/fd.c
+++ b/fs/proc/fd.c
@@ -183,14 +183,13 @@ proc_fd_instantiate(struct inode *dir, struct dentry *dentry,
 	struct proc_inode *ei;
 	struct inode *inode;

-	inode = proc_pid_make_inode(dir->i_sb, task);
+	inode = proc_pid_make_inode(dir->i_sb, task, S_IFLNK);
 	if (!inode)
 		goto out;

 	ei = PROC_I(inode);
 	ei->fd = fd;

-	inode->i_mode = S_IFLNK;
 	inode->i_op = &proc_pid_link_inode_operations;
 	inode->i_size = 64;

@@ -322,14 +321,13 @@ proc_fdinfo_instantiate(struct inode *dir, struct dentry *dentry,
 	struct proc_inode *ei;
 	struct inode *inode;

-	inode = proc_pid_make_inode(dir->i_sb, task);
+	inode = proc_pid_make_inode(dir->i_sb, task, S_IFREG | S_IRUSR);
 	if (!inode)
 		goto out;

 	ei = PROC_I(inode);
 	ei->fd = fd;

-	inode->i_mode = S_IFREG | S_IRUSR;
 	inode->i_fop = &proc_fdinfo_file_operations;

 	d_set_d_op(dentry, &tid_fd_dentry_operations);
--- a/fs/proc/internal.h
+++ b/fs/proc/internal.h
@@ -163,7 +163,7 @@ extern int proc_pid_statm(struct seq_file *, struct pid_namespace *,
 extern const struct dentry_operations pid_dentry_operations;
 extern int pid_getattr(struct vfsmount *, struct dentry *, struct kstat *);
 extern int proc_setattr(struct dentry *, struct iattr *);
-extern struct inode *proc_pid_make_inode(struct super_block *, struct task_struct *);
+extern struct inode *proc_pid_make_inode(struct super_block *, struct task_struct *, umode_t);
 extern int pid_revalidate(struct dentry *, unsigned int);
 extern int pid_delete_dentry(const struct dentry *);
 extern int proc_pid_readdir(struct file *, struct dir_context *);
--- a/fs/proc/namespaces.c
+++ b/fs/proc/namespaces.c
@@ -92,12 +92,11 @@ static int proc_ns_instantiate(struct inode *dir,
 	struct inode *inode;
 	struct proc_inode *ei;

-	inode = proc_pid_make_inode(dir->i_sb, task);
+	inode = proc_pid_make_inode(dir->i_sb, task, S_IFLNK | S_IRWXUGO);
 	if (!inode)
 		goto out;

 	ei = PROC_I(inode);
-	inode->i_mode = S_IFLNK|S_IRWXUGO;
 	inode->i_op = &proc_ns_link_inode_operations;
 	ei->ns_ops = ns_ops;

--- a/include/linux/bpf.h
+++ b/include/linux/bpf.h
@@ -307,6 +307,8 @@ struct bpf_prog *bpf_prog_get_type(u32 ufd, enum bpf_prog_type type);
 struct bpf_prog *bpf_prog_add(struct bpf_prog *prog, int i);
 struct bpf_prog *bpf_prog_inc(struct bpf_prog *prog);
 void bpf_prog_put(struct bpf_prog *prog);
+int __bpf_prog_charge(struct user_struct *user, u32 pages);
+void __bpf_prog_uncharge(struct user_struct *user, u32 pages);

 struct bpf_map *bpf_map_get_with_uref(u32 ufd);
 struct bpf_map *__bpf_map_get(struct fd f);
@@ -403,6 +405,15 @@ static inline struct bpf_prog *bpf_prog_get_type_path(const char *name,
 	return ERR_PTR(-EOPNOTSUPP);
 }

+static inline int __bpf_prog_charge(struct user_struct *user, u32 pages)
+{
+	return 0;
+}
+
+static inline void __bpf_prog_uncharge(struct user_struct *user, u32 pages)
+{
+}
+
 static inline bool unprivileged_ebpf_enabled(void)
 {
 	return false;
--- a/include/linux/buffer_head.h
+++ b/include/linux/buffer_head.h
@@ -113,7 +113,6 @@ static __always_inline int test_clear_buffer_##name(struct buffer_head *bh) \
 * of the form "mark_buffer_foo()".  These are higher-level functions which
 * do something in addition to setting a b_state bit.
 */
-BUFFER_FNS(Uptodate, uptodate)
 BUFFER_FNS(Dirty, dirty)
 TAS_BUFFER_FNS(Dirty, dirty)
 BUFFER_FNS(Lock, locked)
@@ -131,6 +130,30 @@ BUFFER_FNS(Meta, meta)
 BUFFER_FNS(Prio, prio)
 BUFFER_FNS(Defer_Completion, defer_completion)

+static __always_inline void set_buffer_uptodate(struct buffer_head *bh)
+{
+	/*
+	 * make it consistent with folio_mark_uptodate
+	 * pairs with smp_load_acquire in buffer_uptodate
+	 */
+	smp_mb__before_atomic();
+	set_bit(BH_Uptodate, &bh->b_state);
+}
+
+static __always_inline void clear_buffer_uptodate(struct buffer_head *bh)
+{
+	clear_bit(BH_Uptodate, &bh->b_state);
+}
+
+static __always_inline int buffer_uptodate(const struct buffer_head *bh)
+{
+	/*
+	 * make it consistent with folio_test_uptodate
+	 * pairs with smp_mb__before_atomic in set_buffer_uptodate
+	 */
+	return (smp_load_acquire(&bh->b_state) & (1UL << BH_Uptodate)) != 0;
+}
+
 #define bh_offset(bh)		((unsigned long)(bh)->b_data & ~PAGE_MASK)

 /* If we *know* page->private refers to buffer_heads */
--- a/include/linux/pci_ids.h
+++ b/include/linux/pci_ids.h
@@ -55,6 +55,8 @@
 #define PCI_CLASS_BRIDGE_EISA		0x0602
 #define PCI_CLASS_BRIDGE_MC		0x0603
 #define PCI_CLASS_BRIDGE_PCI		0x0604
+#define PCI_CLASS_BRIDGE_PCI_NORMAL		0x060400
+#define PCI_CLASS_BRIDGE_PCI_SUBTRACTIVE	0x060401
 #define PCI_CLASS_BRIDGE_PCMCIA		0x0605
 #define PCI_CLASS_BRIDGE_NUBUS		0x0606
 #define PCI_CLASS_BRIDGE_CARDBUS	0x0607
--- a/include/linux/usb/hcd.h
+++ b/include/linux/usb/hcd.h
@@ -65,6 +65,7 @@

 struct giveback_urb_bh {
 	bool running;
+	bool high_prio;
 	spinlock_t lock;
 	struct list_head  head;
 	struct tasklet_struct bh;
--- a/include/net/bluetooth/l2cap.h
+++ b/include/net/bluetooth/l2cap.h
@@ -798,6 +798,7 @@ enum {
 };

 void l2cap_chan_hold(struct l2cap_chan *c);
+struct l2cap_chan *l2cap_chan_hold_unless_zero(struct l2cap_chan *c);
 void l2cap_chan_put(struct l2cap_chan *c);

 static inline void l2cap_chan_lock(struct l2cap_chan *chan)
--- a/include/sound/core.h
+++ b/include/sound/core.h
@@ -457,4 +457,12 @@ snd_pci_quirk_lookup_id(u16 vendor, u16 device,
 }
 #endif

+/* async signal helpers */
+struct snd_fasync;
+
+int snd_fasync_helper(int fd, struct file *file, int on,
+		      struct snd_fasync **fasyncp);
+void snd_kill_fasync(struct snd_fasync *fasync, int signal, int poll);
+void snd_fasync_free(struct snd_fasync *fasync);
+
 #endif /* __SOUND_CORE_H */
--- a/include/trace/events/spmi.h
+++ b/include/trace/events/spmi.h
@@ -20,15 +20,15 @@ TRACE_EVENT(spmi_write_begin,
 		__field		( u8,         sid       )
 		__field		( u16,        addr      )
 		__field		( u8,         len       )
-		__dynamic_array	( u8,   buf,  len + 1   )
+		__dynamic_array	( u8,   buf,  len       )
 	),

 	TP_fast_assign(
 		__entry->opcode = opcode;
 		__entry->sid    = sid;
 		__entry->addr   = addr;
-		__entry->len    = len + 1;
-		memcpy(__get_dynamic_array(buf), buf, len + 1);
+		__entry->len    = len;
+		memcpy(__get_dynamic_array(buf), buf, len);
 	),

 	TP_printk("opc=%d sid=%02d addr=0x%04x len=%d buf=0x[%*phD]",
@@ -91,7 +91,7 @@ TRACE_EVENT(spmi_read_end,
 		__field		( u16,        addr      )
 		__field		( int,        ret       )
 		__field		( u8,         len       )
-		__dynamic_array	( u8,   buf,  len + 1   )
+		__dynamic_array	( u8,   buf,  len       )
 	),

 	TP_fast_assign(
@@ -99,8 +99,8 @@ TRACE_EVENT(spmi_read_end,
 		__entry->sid    = sid;
 		__entry->addr   = addr;
 		__entry->ret    = ret;
-		__entry->len    = len + 1;
-		memcpy(__get_dynamic_array(buf), buf, len + 1);
+		__entry->len    = len;
+		memcpy(__get_dynamic_array(buf), buf, len);
 	),

 	TP_printk("opc=%d sid=%02d addr=0x%04x ret=%d len=%02d buf=0x[%*phD]",
--- a/include/uapi/linux/swab.h
+++ b/include/uapi/linux/swab.h
@@ -134,9 +134,9 @@ static inline __attribute_const__ __u32 __fswahb32(__u32 val)

 static __always_inline unsigned long __swab(const unsigned long y)
 {
-#if BITS_PER_LONG == 64
+#if __BITS_PER_LONG == 64
 	return __swab64(y);
-#else /* BITS_PER_LONG == 32 */
+#else /* __BITS_PER_LONG == 32 */
 	return __swab32(y);
 #endif
 }
--- a/init/main.c
+++ b/init/main.c
@@ -487,21 +487,15 @@ asmlinkage __visible void __init start_kernel(void)
 	smp_setup_processor_id();
 	debug_objects_early_init();

-	/*
-	 * Set up the the initial canary ASAP:
-	 */
-	add_latent_entropy();
-	boot_init_stack_canary();
-
 	cgroup_init_early();

 	local_irq_disable();
 	early_boot_irqs_disabled = true;

-/*
- * Interrupts are still disabled. Do necessary setups, then
- * enable them
- */
+	/*
+	 * Interrupts are still disabled. Do necessary setups, then
+	 * enable them.
+	 */
 	boot_cpu_init();
 	page_address_init();
 	pr_notice("%s", linux_banner);
--- a/kernel/bpf/core.c
+++ b/kernel/bpf/core.c
@@ -107,19 +107,29 @@ struct bpf_prog *bpf_prog_realloc(struct bpf_prog *fp_old, unsigned int size,
 	gfp_t gfp_flags = GFP_KERNEL | __GFP_HIGHMEM | __GFP_ZERO |
 			  gfp_extra_flags;
 	struct bpf_prog *fp;
+	u32 pages, delta;
+	int ret;

 	BUG_ON(fp_old == NULL);

 	size = round_up(size, PAGE_SIZE);
-	if (size <= fp_old->pages * PAGE_SIZE)
+	pages = size / PAGE_SIZE;
+	if (pages <= fp_old->pages)
 		return fp_old;

+	delta = pages - fp_old->pages;
+	ret = __bpf_prog_charge(fp_old->aux->user, delta);
+	if (ret)
+		return NULL;
+
 	fp = __vmalloc(size, gfp_flags, PAGE_KERNEL);
-	if (fp != NULL) {
+	if (fp == NULL) {
+		__bpf_prog_uncharge(fp_old->aux->user, delta);
+	} else {
 		kmemcheck_annotate_bitfield(fp, meta);

 		memcpy(fp, fp_old, fp_old->pages * PAGE_SIZE);
-		fp->pages = size / PAGE_SIZE;
+		fp->pages = pages;
 		fp->aux->prog = fp;

 		/* We keep fp->aux from fp_old around in the new
--- a/kernel/bpf/syscall.c
+++ b/kernel/bpf/syscall.c
@@ -652,19 +652,39 @@ static void free_used_maps(struct bpf_prog_aux *aux)
 	kfree(aux->used_maps);
 }

+int __bpf_prog_charge(struct user_struct *user, u32 pages)
+{
+	unsigned long memlock_limit = rlimit(RLIMIT_MEMLOCK) >> PAGE_SHIFT;
+	unsigned long user_bufs;
+
+	if (user) {
+		user_bufs = atomic_long_add_return(pages, &user->locked_vm);
+		if (user_bufs > memlock_limit) {
+			atomic_long_sub(pages, &user->locked_vm);
+			return -EPERM;
+		}
+	}
+
+	return 0;
+}
+
+void __bpf_prog_uncharge(struct user_struct *user, u32 pages)
+{
+	if (user)
+		atomic_long_sub(pages, &user->locked_vm);
+}
+
 static int bpf_prog_charge_memlock(struct bpf_prog *prog)
 {
 	struct user_struct *user = get_current_user();
-	unsigned long memlock_limit;
+	int ret;

-	memlock_limit = rlimit(RLIMIT_MEMLOCK) >> PAGE_SHIFT;
-
-	atomic_long_add(prog->pages, &user->locked_vm);
-	if (atomic_long_read(&user->locked_vm) > memlock_limit) {
-		atomic_long_sub(prog->pages, &user->locked_vm);
+	ret = __bpf_prog_charge(user, prog->pages);
+	if (ret) {
 		free_uid(user);
-		return -EPERM;
+		return ret;
 	}
+
 	prog->aux->user = user;
 	return 0;
 }
@@ -673,7 +693,7 @@ static void bpf_prog_uncharge_memlock(struct bpf_prog *prog)
 {
 	struct user_struct *user = prog->aux->user;

-	atomic_long_sub(prog->pages, &user->locked_vm);
+	__bpf_prog_uncharge(user, prog->pages);
 	free_uid(user);
 }

--- a/net/9p/client.c
+++ b/net/9p/client.c
@@ -891,7 +891,7 @@ static struct p9_fid *p9_fid_create(struct p9_client *clnt)
 	unsigned long flags;

 	p9_debug(P9_DEBUG_FID, "clnt %p\n", clnt);
-	fid = kmalloc(sizeof(struct p9_fid), GFP_KERNEL);
+	fid = kzalloc(sizeof(struct p9_fid), GFP_KERNEL);
 	if (!fid)
 		return ERR_PTR(-ENOMEM);

@@ -902,11 +902,9 @@ static struct p9_fid *p9_fid_create(struct p9_client *clnt)
 	}
 	fid->fid = ret;

-	memset(&fid->qid, 0, sizeof(struct p9_qid));
 	fid->mode = -1;
 	fid->uid = current_fsuid();
 	fid->clnt = clnt;
-	fid->rdir = NULL;
 	spin_lock_irqsave(&clnt->lock, flags);
 	list_add(&fid->flist, &clnt->fidlist);
 	spin_unlock_irqrestore(&clnt->lock, flags);
--- a/net/bluetooth/l2cap_core.c
+++ b/net/bluetooth/l2cap_core.c
@@ -113,7 +113,8 @@ static struct l2cap_chan *__l2cap_get_chan_by_scid(struct l2cap_conn *conn,
 }

 /* Find channel with given SCID.
- * Returns locked channel. */
+ * Returns a reference locked channel.
+ */
 static struct l2cap_chan *l2cap_get_chan_by_scid(struct l2cap_conn *conn,
 						 u16 cid)
 {
@@ -121,15 +122,19 @@ static struct l2cap_chan *l2cap_get_chan_by_scid(struct l2cap_conn *conn,

 	mutex_lock(&conn->chan_lock);
 	c = __l2cap_get_chan_by_scid(conn, cid);
-	if (c)
-		l2cap_chan_lock(c);
+	if (c) {
+		/* Only lock if chan reference is not 0 */
+		c = l2cap_chan_hold_unless_zero(c);
+		if (c)
+			l2cap_chan_lock(c);
+	}
 	mutex_unlock(&conn->chan_lock);

 	return c;
 }

 /* Find channel with given DCID.
- * Returns locked channel.
+ * Returns a reference locked channel.
 */
 static struct l2cap_chan *l2cap_get_chan_by_dcid(struct l2cap_conn *conn,
 						 u16 cid)
@@ -138,8 +143,12 @@ static struct l2cap_chan *l2cap_get_chan_by_dcid(struct l2cap_conn *conn,

 	mutex_lock(&conn->chan_lock);
 	c = __l2cap_get_chan_by_dcid(conn, cid);
-	if (c)
-		l2cap_chan_lock(c);
+	if (c) {
+		/* Only lock if chan reference is not 0 */
+		c = l2cap_chan_hold_unless_zero(c);
+		if (c)
+			l2cap_chan_lock(c);
+	}
 	mutex_unlock(&conn->chan_lock);

 	return c;
@@ -164,8 +173,12 @@ static struct l2cap_chan *l2cap_get_chan_by_ident(struct l2cap_conn *conn,

 	mutex_lock(&conn->chan_lock);
 	c = __l2cap_get_chan_by_ident(conn, ident);
-	if (c)
-		l2cap_chan_lock(c);
+	if (c) {
+		/* Only lock if chan reference is not 0 */
+		c = l2cap_chan_hold_unless_zero(c);
+		if (c)
+			l2cap_chan_lock(c);
+	}
 	mutex_unlock(&conn->chan_lock);

 	return c;
@@ -491,6 +504,16 @@ void l2cap_chan_hold(struct l2cap_chan *c)
 	kref_get(&c->kref);
 }

+struct l2cap_chan *l2cap_chan_hold_unless_zero(struct l2cap_chan *c)
+{
+	BT_DBG("chan %p orig refcnt %u", c, kref_read(&c->kref));
+
+	if (!kref_get_unless_zero(&c->kref))
+		return NULL;
+
+	return c;
+}
+
 void l2cap_chan_put(struct l2cap_chan *c)
 {
 	BT_DBG("chan %p orig refcnt %d", c, atomic_read(&c->kref.refcount));
@@ -1781,11 +1804,11 @@ static struct l2cap_chan *l2cap_global_chan_by_psm(int state, __le16 psm,
 						   bdaddr_t *dst,
 						   u8 link_type)
 {
-	struct l2cap_chan *c, *c1 = NULL;
+	struct l2cap_chan *c, *tmp, *c1 = NULL;

 	read_lock(&chan_list_lock);

-	list_for_each_entry(c, &chan_list, global_l) {
+	list_for_each_entry_safe(c, tmp, &chan_list, global_l) {
 		if (state && c->state != state)
 			continue;

@@ -1803,9 +1826,11 @@ static struct l2cap_chan *l2cap_global_chan_by_psm(int state, __le16 psm,
 			src_match = !bacmp(&c->src, src);
 			dst_match = !bacmp(&c->dst, dst);
 			if (src_match && dst_match) {
-				l2cap_chan_hold(c);
-				read_unlock(&chan_list_lock);
-				return c;
+				c = l2cap_chan_hold_unless_zero(c);
+				if (c) {
+					read_unlock(&chan_list_lock);
+					return c;
+				}
 			}

 			/* Closest match */
@@ -1818,7 +1843,7 @@ static struct l2cap_chan *l2cap_global_chan_by_psm(int state, __le16 psm,
 	}

 	if (c1)
-		l2cap_chan_hold(c1);
+		c1 = l2cap_chan_hold_unless_zero(c1);

 	read_unlock(&chan_list_lock);

@@ -4194,6 +4219,7 @@ static inline int l2cap_config_req(struct l2cap_conn *conn,

 unlock:
 	l2cap_chan_unlock(chan);
+	l2cap_chan_put(chan);
 	return err;
 }

@@ -4306,6 +4332,7 @@ static inline int l2cap_config_rsp(struct l2cap_conn *conn,

 done:
 	l2cap_chan_unlock(chan);
+	l2cap_chan_put(chan);
 	return err;
 }

@@ -5034,6 +5061,7 @@ send_move_response:
 	l2cap_send_move_chan_rsp(chan, result);

 	l2cap_chan_unlock(chan);
+	l2cap_chan_put(chan);

 	return 0;
 }
@@ -5126,6 +5154,7 @@ static void l2cap_move_continue(struct l2cap_conn *conn, u16 icid, u16 result)
 	}

 	l2cap_chan_unlock(chan);
+	l2cap_chan_put(chan);
 }

 static void l2cap_move_fail(struct l2cap_conn *conn, u8 ident, u16 icid,
@@ -5155,6 +5184,7 @@ static void l2cap_move_fail(struct l2cap_conn *conn, u8 ident, u16 icid,
 	l2cap_send_move_chan_cfm(chan, L2CAP_MC_UNCONFIRMED);

 	l2cap_chan_unlock(chan);
+	l2cap_chan_put(chan);
 }

 static int l2cap_move_channel_rsp(struct l2cap_conn *conn,
@@ -5218,6 +5248,7 @@ static int l2cap_move_channel_confirm(struct l2cap_conn *conn,
 	l2cap_send_move_chan_cfm_rsp(conn, cmd->ident, icid);

 	l2cap_chan_unlock(chan);
+	l2cap_chan_put(chan);

 	return 0;
 }
@@ -5253,6 +5284,7 @@ static inline int l2cap_move_channel_confirm_rsp(struct l2cap_conn *conn,
 	}

 	l2cap_chan_unlock(chan);
+	l2cap_chan_put(chan);

 	return 0;
 }
@@ -5625,12 +5657,11 @@ static inline int l2cap_le_credits(struct l2cap_conn *conn,
 	if (credits > max_credits) {
 		BT_ERR("LE credits overflow");
 		l2cap_send_disconn_req(chan, ECONNRESET);
-		l2cap_chan_unlock(chan);

 		/* Return 0 so that we don't trigger an unnecessary
 		 * command reject packet.
 		 */
-		return 0;
+		goto unlock;
 	}

 	chan->tx_credits += credits;
@@ -5643,7 +5674,9 @@ static inline int l2cap_le_credits(struct l2cap_conn *conn,
 	if (chan->tx_credits)
 		chan->ops->resume(chan);

+unlock:
 	l2cap_chan_unlock(chan);
+	l2cap_chan_put(chan);

 	return 0;
 }
@@ -6941,6 +6974,7 @@ drop:

 done:
 	l2cap_chan_unlock(chan);
+	l2cap_chan_put(chan);
 }

 static void l2cap_conless_channel(struct l2cap_conn *conn, __le16 psm,
@@ -7345,7 +7379,7 @@ static struct l2cap_chan *l2cap_global_fixed_chan(struct l2cap_chan *c,
 		if (src_type != c->src_type)
 			continue;

-		l2cap_chan_hold(c);
+		c = l2cap_chan_hold_unless_zero(c);
 		read_unlock(&chan_list_lock);
 		return c;
 	}
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -2986,11 +2986,12 @@ begin_fwd:
 */
 void sk_forced_mem_schedule(struct sock *sk, int size)
 {
-	int amt;
+	int delta, amt;

-	if (size <= sk->sk_forward_alloc)
+	delta = size - sk->sk_forward_alloc;
+	if (delta <= 0)
 		return;
-	amt = sk_mem_pages(size);
+	amt = sk_mem_pages(delta);
 	sk->sk_forward_alloc += amt * SK_MEM_QUANTUM;
 	sk_memory_allocated_add(sk, amt);

--- a/net/ipv6/ping.c
+++ b/net/ipv6/ping.c
@@ -26,6 +26,11 @@
 #include <net/transp_v6.h>
 #include <net/ping.h>

+static void ping_v6_destroy(struct sock *sk)
+{
+	inet6_destroy_sock(sk);
+}
+
 /* Compatibility glue so we can support IPv6 when it's compiled as a module */
 static int dummy_ipv6_recv_error(struct sock *sk, struct msghdr *msg, int len,
 				 int *addr_len)
@@ -180,6 +185,7 @@ struct proto pingv6_prot = {
 	.owner =	THIS_MODULE,
 	.init =		ping_init_sock,
 	.close =	ping_close,
+	.destroy =	ping_v6_destroy,
 	.connect =	ip6_datagram_connect_v6_only,
 	.disconnect =	__udp_disconnect,
 	.setsockopt =	ipv6_setsockopt,
--- a/net/netfilter/nf_tables_api.c
+++ b/net/netfilter/nf_tables_api.c
@@ -119,6 +119,7 @@ static struct nft_trans *nft_trans_alloc(struct nft_ctx *ctx, int msg_type,
 	if (trans == NULL)
 		return NULL;

+	INIT_LIST_HEAD(&trans->list);
 	trans->msg_type = msg_type;
 	trans->ctx	= *ctx;

@@ -2514,7 +2515,7 @@ cont:
 		list_for_each_entry(i, &ctx->table->sets, list) {
 			int tmp;

-			if (!nft_is_active_next(ctx->net, set))
+			if (!nft_is_active_next(ctx->net, i))
 				continue;
 			if (!sscanf(i->name, name, &tmp))
 				continue;
--- a/net/netfilter/nfnetlink_queue.c
+++ b/net/netfilter/nfnetlink_queue.c
@@ -807,11 +807,16 @@ nfqnl_enqueue_packet(struct nf_queue_entry *entry, unsigned int queuenum)
 }

 static int
-nfqnl_mangle(void *data, int data_len, struct nf_queue_entry *e, int diff)
+nfqnl_mangle(void *data, unsigned int data_len, struct nf_queue_entry *e, int diff)
 {
 	struct sk_buff *nskb;

 	if (diff < 0) {
+		unsigned int min_len = skb_transport_offset(e->skb);
+
+		if (data_len < min_len)
+			return -EINVAL;
+
 		if (pskb_trim(e->skb, data_len))
 			return -ENOMEM;
 	} else if (diff > 0) {
--- a/net/rds/ib_recv.c
+++ b/net/rds/ib_recv.c
@@ -356,6 +356,7 @@ static int acquire_refill(struct rds_connection *conn)
 static void release_refill(struct rds_connection *conn)
 {
 	clear_bit(RDS_RECV_REFILL, &conn->c_flags);
+	smp_mb__after_atomic();

 	/* We don't use wait_on_bit()/wake_up_bit() because our waking is in a
 	 * hot path and finding waiters is very rare.  We don't want to walk
--- a/net/sched/cls_route.c
+++ b/net/sched/cls_route.c
@@ -427,6 +427,9 @@ static int route4_set_parms(struct net *net, struct tcf_proto *tp,
 			goto errout;
 	}

+	if (!nhandle)
+		return -EINVAL;
+
 	h1 = to_hash(nhandle);
 	b = rtnl_dereference(head->table[h1]);
 	if (!b) {
@@ -486,6 +489,9 @@ static int route4_change(struct net *net, struct sk_buff *in_skb,
 	int err;
 	bool new = true;

+	if (!handle)
+		return -EINVAL;
+
 	if (opt == NULL)
 		return handle ? -EINVAL : 0;

@@ -534,7 +540,7 @@ static int route4_change(struct net *net, struct sk_buff *in_skb,
 	rcu_assign_pointer(f->next, f1);
 	rcu_assign_pointer(*fp, f);

-	if (fold && fold->handle && f->handle != fold->handle) {
+	if (fold) {
 		th = to_hash(fold->handle);
 		h = from_hash(fold->handle >> 16);
 		b = rtnl_dereference(head->table[th]);
--- a/net/sunrpc/backchannel_rqst.c
+++ b/net/sunrpc/backchannel_rqst.c
@@ -69,6 +69,17 @@ static void xprt_free_allocation(struct rpc_rqst *req)
 	kfree(req);
 }

+static void xprt_bc_reinit_xdr_buf(struct xdr_buf *buf)
+{
+	buf->head[0].iov_len = PAGE_SIZE;
+	buf->tail[0].iov_len = 0;
+	buf->pages = NULL;
+	buf->page_len = 0;
+	buf->flags = 0;
+	buf->len = 0;
+	buf->buflen = PAGE_SIZE;
+}
+
 static int xprt_alloc_xdr_buf(struct xdr_buf *buf, gfp_t gfp_flags)
 {
 	struct page *page;
@@ -291,6 +302,9 @@ void xprt_free_bc_rqst(struct rpc_rqst *req)
 	 */
 	spin_lock_bh(&xprt->bc_pa_lock);
 	if (xprt_need_to_requeue(xprt)) {
+		xprt_bc_reinit_xdr_buf(&req->rq_snd_buf);
+		xprt_bc_reinit_xdr_buf(&req->rq_rcv_buf);
+		req->rq_rcv_buf.len = PAGE_SIZE;
 		list_add_tail(&req->rq_bc_pa_list, &xprt->bc_pa_list);
 		xprt->bc_alloc_count++;
 		req = NULL;
--- a/net/vmw_vsock/af_vsock.c
+++ b/net/vmw_vsock/af_vsock.c
@@ -1205,7 +1205,14 @@ static int vsock_stream_connect(struct socket *sock, struct sockaddr *addr,
 			 * timeout fires.
 			 */
 			sock_hold(sk);
-			schedule_delayed_work(&vsk->connect_work, timeout);
+
+			/* If the timeout function is already scheduled,
+			 * reschedule it, then ungrab the socket refcount to
+			 * keep it balanced.
+			 */
+			if (mod_delayed_work(system_wq, &vsk->connect_work,
+					     timeout))
+				sock_put(sk);

 			/* Skip ahead to preserve error code set above. */
 			goto out_wait;
--- a/security/selinux/hooks.c
+++ b/security/selinux/hooks.c
@@ -232,12 +232,13 @@ static int inode_alloc_security(struct inode *inode)
 	if (!isec)
 		return -ENOMEM;

-	mutex_init(&isec->lock);
+	spin_lock_init(&isec->lock);
 	INIT_LIST_HEAD(&isec->list);
 	isec->inode = inode;
 	isec->sid = SECINITSID_UNLABELED;
 	isec->sclass = SECCLASS_FILE;
 	isec->task_sid = sid;
+	isec->initialized = LABEL_INVALID;
 	inode->i_security = isec;

 	return 0;
@@ -248,7 +249,7 @@ static int inode_doinit_with_dentry(struct inode *inode, struct dentry *opt_dent
 /*
 * Try reloading inode security labels that have been marked as invalid.  The
 * @may_sleep parameter indicates when sleeping and thus reloading labels is
- * allowed; when set to false, returns ERR_PTR(-ECHILD) when the label is
+ * allowed; when set to false, returns -ECHILD when the label is
 * invalid.  The @opt_dentry parameter should be set to a dentry of the inode;
 * when no dentry is available, set it to NULL instead.
 */
@@ -1390,7 +1391,8 @@ static int inode_doinit_with_dentry(struct inode *inode, struct dentry *opt_dent
 {
 	struct superblock_security_struct *sbsec = NULL;
 	struct inode_security_struct *isec = inode->i_security;
-	u32 sid;
+	u32 task_sid, sid = 0;
+	u16 sclass;
 	struct dentry *dentry;
 #define INITCONTEXTLEN 255
 	char *context = NULL;
@@ -1398,12 +1400,15 @@ static int inode_doinit_with_dentry(struct inode *inode, struct dentry *opt_dent
 	int rc = 0;

 	if (isec->initialized == LABEL_INITIALIZED)
-		goto out;
+		return 0;

-	mutex_lock(&isec->lock);
+	spin_lock(&isec->lock);
 	if (isec->initialized == LABEL_INITIALIZED)
 		goto out_unlock;

+	if (isec->sclass == SECCLASS_FILE)
+		isec->sclass = inode_mode_to_security_class(inode->i_mode);
+
 	sbsec = inode->i_sb->s_security;
 	if (!(sbsec->flags & SE_SBINITIALIZED)) {
 		/* Defer initialization until selinux_complete_init,
@@ -1416,12 +1421,18 @@ static int inode_doinit_with_dentry(struct inode *inode, struct dentry *opt_dent
 		goto out_unlock;
 	}

+	sclass = isec->sclass;
+	task_sid = isec->task_sid;
+	sid = isec->sid;
+	isec->initialized = LABEL_PENDING;
+	spin_unlock(&isec->lock);
+
 	switch (sbsec->behavior) {
 	case SECURITY_FS_USE_NATIVE:
 		break;
 	case SECURITY_FS_USE_XATTR:
 		if (!(inode->i_opflags & IOP_XATTR)) {
-			isec->sid = sbsec->def_sid;
+			sid = sbsec->def_sid;
 			break;
 		}
 		/* Need a dentry, since the xattr API requires one.
@@ -1443,7 +1454,7 @@ static int inode_doinit_with_dentry(struct inode *inode, struct dentry *opt_dent
 			 * inode_doinit with a dentry, before these inodes could
 			 * be used again by userspace.
 			 */
-			goto out_unlock;
+			goto out_invalid;
 		}

 		len = INITCONTEXTLEN;
@@ -1451,7 +1462,7 @@ static int inode_doinit_with_dentry(struct inode *inode, struct dentry *opt_dent
 		if (!context) {
 			rc = -ENOMEM;
 			dput(dentry);
-			goto out_unlock;
+			goto out;
 		}
 		context[len] = '\0';
 		rc = __vfs_getxattr(dentry, inode, XATTR_NAME_SELINUX, context, len);
@@ -1462,14 +1473,14 @@ static int inode_doinit_with_dentry(struct inode *inode, struct dentry *opt_dent
 			rc = __vfs_getxattr(dentry, inode, XATTR_NAME_SELINUX, NULL, 0);
 			if (rc < 0) {
 				dput(dentry);
-				goto out_unlock;
+				goto out;
 			}
 			len = rc;
 			context = kmalloc(len+1, GFP_NOFS);
 			if (!context) {
 				rc = -ENOMEM;
 				dput(dentry);
-				goto out_unlock;
+				goto out;
 			}
 			context[len] = '\0';
 			rc = __vfs_getxattr(dentry, inode, XATTR_NAME_SELINUX, context, len);
@@ -1481,7 +1492,7 @@ static int inode_doinit_with_dentry(struct inode *inode, struct dentry *opt_dent
 				       "%d for dev=%s ino=%ld\n", __func__,
 				       -rc, inode->i_sb->s_id, inode->i_ino);
 				kfree(context);
-				goto out_unlock;
+				goto out;
 			}
 			/* Map ENODATA to the default file SID */
 			sid = sbsec->def_sid;
@@ -1511,29 +1522,25 @@ static int inode_doinit_with_dentry(struct inode *inode, struct dentry *opt_dent
 			}
 		}
 		kfree(context);
-		isec->sid = sid;
 		break;
 	case SECURITY_FS_USE_TASK:
-		isec->sid = isec->task_sid;
+		sid = task_sid;
 		break;
 	case SECURITY_FS_USE_TRANS:
 		/* Default to the fs SID. */
-		isec->sid = sbsec->sid;
+		sid = sbsec->sid;

 		/* Try to obtain a transition SID. */
-		isec->sclass = inode_mode_to_security_class(inode->i_mode);
-		rc = security_transition_sid(isec->task_sid, sbsec->sid,
-					     isec->sclass, NULL, &sid);
+		rc = security_transition_sid(task_sid, sid, sclass, NULL, &sid);
 		if (rc)
-			goto out_unlock;
-		isec->sid = sid;
+			goto out;
 		break;
 	case SECURITY_FS_USE_MNTPOINT:
-		isec->sid = sbsec->mntpoint_sid;
+		sid = sbsec->mntpoint_sid;
 		break;
 	default:
 		/* Default to the fs superblock SID. */
-		isec->sid = sbsec->sid;
+		sid = sbsec->sid;

 		if ((sbsec->flags & SE_SBGENFS) && !S_ISLNK(inode->i_mode)) {
 			/* We must have a dentry to determine the label on
@@ -1556,26 +1563,39 @@ static int inode_doinit_with_dentry(struct inode *inode, struct dentry *opt_dent
 			 * could be used again by userspace.
 			 */
 			if (!dentry)
-				goto out_unlock;
-			isec->sclass = inode_mode_to_security_class(inode->i_mode);
-			rc = selinux_genfs_get_sid(dentry, isec->sclass,
+				goto out_invalid;
+			rc = selinux_genfs_get_sid(dentry, sclass,
 						   sbsec->flags, &sid);
 			dput(dentry);
 			if (rc)
-				goto out_unlock;
-			isec->sid = sid;
+				goto out;
 		}
 		break;
 	}

-	isec->initialized = LABEL_INITIALIZED;
+out:
+	spin_lock(&isec->lock);
+	if (isec->initialized == LABEL_PENDING) {
+		if (rc) {
+			isec->initialized = LABEL_INVALID;
+			goto out_unlock;
+		}
+		isec->initialized = LABEL_INITIALIZED;
+		isec->sid = sid;
+	}

 out_unlock:
-	mutex_unlock(&isec->lock);
-out:
-	if (isec->sclass == SECCLASS_FILE)
-		isec->sclass = inode_mode_to_security_class(inode->i_mode);
+	spin_unlock(&isec->lock);
 	return rc;
+
+out_invalid:
+	spin_lock(&isec->lock);
+	if (isec->initialized == LABEL_PENDING) {
+		isec->initialized = LABEL_INVALID;
+		isec->sid = sid;
+	}
+	spin_unlock(&isec->lock);
+	return 0;
 }

 /* Convert a Linux signal to an access vector. */
@@ -3220,9 +3240,11 @@ static void selinux_inode_post_setxattr(struct dentry *dentry, const char *name,
 	}

 	isec = backing_inode_security(dentry);
+	spin_lock(&isec->lock);
 	isec->sclass = inode_mode_to_security_class(inode->i_mode);
 	isec->sid = newsid;
 	isec->initialized = LABEL_INITIALIZED;
+	spin_unlock(&isec->lock);

 	return;
 }
@@ -3319,9 +3341,11 @@ static int selinux_inode_setsecurity(struct inode *inode, const char *name,
 	if (rc)
 		return rc;

+	spin_lock(&isec->lock);
 	isec->sclass = inode_mode_to_security_class(inode->i_mode);
 	isec->sid = newsid;
 	isec->initialized = LABEL_INITIALIZED;
+	spin_unlock(&isec->lock);
 	return 0;
 }

@@ -3977,8 +4001,11 @@ static void selinux_task_to_inode(struct task_struct *p,
 	struct inode_security_struct *isec = inode->i_security;
 	u32 sid = task_sid(p);

+	spin_lock(&isec->lock);
+	isec->sclass = inode_mode_to_security_class(inode->i_mode);
 	isec->sid = sid;
 	isec->initialized = LABEL_INITIALIZED;
+	spin_unlock(&isec->lock);
 }

 /* Returns error only if unable to parse addresses */
@@ -4297,24 +4324,24 @@ static int selinux_socket_post_create(struct socket *sock, int family,
 	const struct task_security_struct *tsec = current_security();
 	struct inode_security_struct *isec = inode_security_novalidate(SOCK_INODE(sock));
 	struct sk_security_struct *sksec;
+	u16 sclass = socket_type_to_security_class(family, type, protocol);
+	u32 sid = SECINITSID_KERNEL;
 	int err = 0;

-	isec->sclass = socket_type_to_security_class(family, type, protocol);
-
-	if (kern)
-		isec->sid = SECINITSID_KERNEL;
-	else {
-		err = socket_sockcreate_sid(tsec, isec->sclass, &(isec->sid));
+	if (!kern) {
+		err = socket_sockcreate_sid(tsec, sclass, &sid);
 		if (err)
 			return err;
 	}

+	isec->sclass = sclass;
+	isec->sid = sid;
 	isec->initialized = LABEL_INITIALIZED;

 	if (sock->sk) {
 		sksec = sock->sk->sk_security;
-		sksec->sid = isec->sid;
-		sksec->sclass = isec->sclass;
+		sksec->sclass = sclass;
+		sksec->sid = sid;
 		err = selinux_netlbl_socket_post_create(sock->sk, family);
 	}

@@ -4498,16 +4525,22 @@ static int selinux_socket_accept(struct socket *sock, struct socket *newsock)
 	int err;
 	struct inode_security_struct *isec;
 	struct inode_security_struct *newisec;
+	u16 sclass;
+	u32 sid;

 	err = sock_has_perm(current, sock->sk, SOCKET__ACCEPT);
 	if (err)
 		return err;

-	newisec = inode_security_novalidate(SOCK_INODE(newsock));
-
 	isec = inode_security_novalidate(SOCK_INODE(sock));
-	newisec->sclass = isec->sclass;
-	newisec->sid = isec->sid;
+	spin_lock(&isec->lock);
+	sclass = isec->sclass;
+	sid = isec->sid;
+	spin_unlock(&isec->lock);
+
+	newisec = inode_security_novalidate(SOCK_INODE(newsock));
+	newisec->sclass = sclass;
+	newisec->sid = sid;
 	newisec->initialized = LABEL_INITIALIZED;

 	return 0;
@@ -6030,9 +6063,9 @@ static void selinux_inode_invalidate_secctx(struct inode *inode)
 {
 	struct inode_security_struct *isec = inode->i_security;

-	mutex_lock(&isec->lock);
+	spin_lock(&isec->lock);
 	isec->initialized = LABEL_INVALID;
-	mutex_unlock(&isec->lock);
+	spin_unlock(&isec->lock);
 }

 /*
--- a/security/selinux/include/objsec.h
+++ b/security/selinux/include/objsec.h
@@ -39,7 +39,8 @@ struct task_security_struct {

 enum label_initialized {
 	LABEL_INVALID,		/* invalid or not initialized */
-	LABEL_INITIALIZED	/* initialized */
+	LABEL_INITIALIZED,	/* initialized */
+	LABEL_PENDING
 };

 struct inode_security_struct {
@@ -52,7 +53,7 @@ struct inode_security_struct {
 	u32 sid;		/* SID of this object */
 	u16 sclass;		/* security class of this object */
 	unsigned char initialized;	/* initialization flag */
-	struct mutex lock;
+	spinlock_t lock;
 };

 struct file_security_struct {
--- a/security/selinux/selinuxfs.c
+++ b/security/selinux/selinuxfs.c
@@ -1301,7 +1301,7 @@ static int sel_make_bools(void)
 			goto out;

 		isec->sid = sid;
-		isec->initialized = 1;
+		isec->initialized = LABEL_INITIALIZED;
 		inode->i_fop = &sel_bool_ops;
 		inode->i_ino = i|SEL_BOOL_INO_OFFSET;
 		d_add(dentry, inode);
@@ -1835,7 +1835,7 @@ static int sel_fill_super(struct super_block *sb, void *data, int silent)
 	isec = (struct inode_security_struct *)inode->i_security;
 	isec->sid = SECINITSID_DEVNULL;
 	isec->sclass = SECCLASS_CHR_FILE;
-	isec->initialized = 1;
+	isec->initialized = LABEL_INITIALIZED;

 	init_special_inode(inode, S_IFCHR | S_IRUGO | S_IWUGO, MKDEV(MEM_MAJOR, 3));
 	d_add(dentry, inode);
--- a/sound/core/info.c
+++ b/sound/core/info.c
@@ -127,9 +127,9 @@ static loff_t snd_info_entry_llseek(struct file *file, loff_t offset, int orig)
 	entry = data->entry;
 	mutex_lock(&entry->access);
 	if (entry->c.ops->llseek) {
-		offset = entry->c.ops->llseek(entry,
-					      data->file_private_data,
-					      file, offset, orig);
+		ret = entry->c.ops->llseek(entry,
+					   data->file_private_data,
+					   file, offset, orig);
 		goto out;
 	}

--- a/sound/core/misc.c
+++ b/sound/core/misc.c
@@ -25,6 +25,7 @@
 #include <linux/time.h>
 #include <linux/slab.h>
 #include <linux/ioport.h>
+#include <linux/fs.h>
 #include <sound/core.h>

 #ifdef CONFIG_SND_DEBUG
@@ -153,3 +154,96 @@ snd_pci_quirk_lookup(struct pci_dev *pci, const struct snd_pci_quirk *list)
 }
 EXPORT_SYMBOL(snd_pci_quirk_lookup);
 #endif
+
+/*
+ * Deferred async signal helpers
+ *
+ * Below are a few helper functions to wrap the async signal handling
+ * in the deferred work.  The main purpose is to avoid the messy deadlock
+ * around tasklist_lock and co at the kill_fasync() invocation.
+ * fasync_helper() and kill_fasync() are replaced with snd_fasync_helper()
+ * and snd_kill_fasync(), respectively.  In addition, snd_fasync_free() has
+ * to be called at releasing the relevant file object.
+ */
+struct snd_fasync {
+	struct fasync_struct *fasync;
+	int signal;
+	int poll;
+	int on;
+	struct list_head list;
+};
+
+static DEFINE_SPINLOCK(snd_fasync_lock);
+static LIST_HEAD(snd_fasync_list);
+
+static void snd_fasync_work_fn(struct work_struct *work)
+{
+	struct snd_fasync *fasync;
+
+	spin_lock_irq(&snd_fasync_lock);
+	while (!list_empty(&snd_fasync_list)) {
+		fasync = list_first_entry(&snd_fasync_list, struct snd_fasync, list);
+		list_del_init(&fasync->list);
+		spin_unlock_irq(&snd_fasync_lock);
+		if (fasync->on)
+			kill_fasync(&fasync->fasync, fasync->signal, fasync->poll);
+		spin_lock_irq(&snd_fasync_lock);
+	}
+	spin_unlock_irq(&snd_fasync_lock);
+}
+
+static DECLARE_WORK(snd_fasync_work, snd_fasync_work_fn);
+
+int snd_fasync_helper(int fd, struct file *file, int on,
+		      struct snd_fasync **fasyncp)
+{
+	struct snd_fasync *fasync = NULL;
+
+	if (on) {
+		fasync = kzalloc(sizeof(*fasync), GFP_KERNEL);
+		if (!fasync)
+			return -ENOMEM;
+		INIT_LIST_HEAD(&fasync->list);
+	}
+
+	spin_lock_irq(&snd_fasync_lock);
+	if (*fasyncp) {
+		kfree(fasync);
+		fasync = *fasyncp;
+	} else {
+		if (!fasync) {
+			spin_unlock_irq(&snd_fasync_lock);
+			return 0;
+		}
+		*fasyncp = fasync;
+	}
+	fasync->on = on;
+	spin_unlock_irq(&snd_fasync_lock);
+	return fasync_helper(fd, file, on, &fasync->fasync);
+}
+EXPORT_SYMBOL_GPL(snd_fasync_helper);
+
+void snd_kill_fasync(struct snd_fasync *fasync, int signal, int poll)
+{
+	unsigned long flags;
+
+	if (!fasync || !fasync->on)
+		return;
+	spin_lock_irqsave(&snd_fasync_lock, flags);
+	fasync->signal = signal;
+	fasync->poll = poll;
+	list_move(&fasync->list, &snd_fasync_list);
+	schedule_work(&snd_fasync_work);
+	spin_unlock_irqrestore(&snd_fasync_lock, flags);
+}
+EXPORT_SYMBOL_GPL(snd_kill_fasync);
+
+void snd_fasync_free(struct snd_fasync *fasync)
+{
+	if (!fasync)
+		return;
+	fasync->on = 0;
+	flush_work(&snd_fasync_work);
+	kfree(fasync);
+}
+EXPORT_SYMBOL_GPL(snd_fasync_free);
--- a/sound/core/timer.c
+++ b/sound/core/timer.c
@@ -74,7 +74,7 @@ struct snd_timer_user {
 	unsigned int filter;
 	struct timespec tstamp;		/* trigger tstamp */
 	wait_queue_head_t qchange_sleep;
-	struct fasync_struct *fasync;
+	struct snd_fasync *fasync;
 	struct mutex ioctl_lock;
 };

@@ -1293,7 +1293,7 @@ static void snd_timer_user_interrupt(struct snd_timer_instance *timeri,
 	}
      __wake:
 	spin_unlock(&tu->qlock);
-	kill_fasync(&tu->fasync, SIGIO, POLL_IN);
+	snd_kill_fasync(tu->fasync, SIGIO, POLL_IN);
 	wake_up(&tu->qchange_sleep);
 }

@@ -1330,7 +1330,7 @@ static void snd_timer_user_ccallback(struct snd_timer_instance *timeri,
 	spin_lock_irqsave(&tu->qlock, flags);
 	snd_timer_user_append_to_tqueue(tu, &r1);
 	spin_unlock_irqrestore(&tu->qlock, flags);
-	kill_fasync(&tu->fasync, SIGIO, POLL_IN);
+	snd_kill_fasync(tu->fasync, SIGIO, POLL_IN);
 	wake_up(&tu->qchange_sleep);
 }

@@ -1397,7 +1397,7 @@ static void snd_timer_user_tinterrupt(struct snd_timer_instance *timeri,
 	spin_unlock(&tu->qlock);
 	if (append == 0)
 		return;
-	kill_fasync(&tu->fasync, SIGIO, POLL_IN);
+	snd_kill_fasync(tu->fasync, SIGIO, POLL_IN);
 	wake_up(&tu->qchange_sleep);
 }

@@ -1439,6 +1439,7 @@ static int snd_timer_user_release(struct inode *inode, struct file *file)
 		if (tu->timeri)
 			snd_timer_close(tu->timeri);
 		mutex_unlock(&tu->ioctl_lock);
+		snd_fasync_free(tu->fasync);
 		kfree(tu->queue);
 		kfree(tu->tqueue);
 		kfree(tu);
@@ -2026,7 +2027,7 @@ static int snd_timer_user_fasync(int fd, struct file * file, int on)
 	struct snd_timer_user *tu;

 	tu = file->private_data;
-	return fasync_helper(fd, file, on, &tu->fasync);
+	return snd_fasync_helper(fd, file, on, &tu->fasync);
 }

 static ssize_t snd_timer_user_read(struct file *file, char __user *buffer,
--- a/sound/pci/hda/patch_cirrus.c
+++ b/sound/pci/hda/patch_cirrus.c
@@ -409,6 +409,7 @@ static const struct snd_pci_quirk cs420x_fixup_tbl[] = {

 	/* codec SSID */
 	SND_PCI_QUIRK(0x106b, 0x0600, "iMac 14,1", CS420X_IMAC27_122),
+	SND_PCI_QUIRK(0x106b, 0x0900, "iMac 12,1", CS420X_IMAC27_122),
 	SND_PCI_QUIRK(0x106b, 0x1c00, "MacBookPro 8,1", CS420X_MBP81),
 	SND_PCI_QUIRK(0x106b, 0x2000, "iMac 12,2", CS420X_IMAC27_122),
 	SND_PCI_QUIRK(0x106b, 0x2800, "MacBookPro 10,1", CS420X_MBP101),
--- a/sound/pci/hda/patch_conexant.c
+++ b/sound/pci/hda/patch_conexant.c
@@ -238,6 +238,7 @@ enum {
 	CXT_PINCFG_LEMOTE_A1205,
 	CXT_PINCFG_COMPAQ_CQ60,
 	CXT_FIXUP_STEREO_DMIC,
+	CXT_PINCFG_LENOVO_NOTEBOOK,
 	CXT_FIXUP_INC_MIC_BOOST,
 	CXT_FIXUP_HEADPHONE_MIC_PIN,
 	CXT_FIXUP_HEADPHONE_MIC,
@@ -698,6 +699,14 @@ static const struct hda_fixup cxt_fixups[] = {
 		.type = HDA_FIXUP_FUNC,
 		.v.func = cxt_fixup_stereo_dmic,
 	},
+	[CXT_PINCFG_LENOVO_NOTEBOOK] = {
+		.type = HDA_FIXUP_PINS,
+		.v.pins = (const struct hda_pintbl[]) {
+			{ 0x1a, 0x05d71030 },
+			{ }
+		},
+		.chain_id = CXT_FIXUP_STEREO_DMIC,
+	},
 	[CXT_FIXUP_INC_MIC_BOOST] = {
 		.type = HDA_FIXUP_FUNC,
 		.v.func = cxt5066_increase_mic_boost,
@@ -860,7 +869,7 @@ static const struct snd_pci_quirk cxt5066_fixups[] = {
 	SND_PCI_QUIRK(0x17aa, 0x3905, "Lenovo G50-30", CXT_FIXUP_STEREO_DMIC),
 	SND_PCI_QUIRK(0x17aa, 0x390b, "Lenovo G50-80", CXT_FIXUP_STEREO_DMIC),
 	SND_PCI_QUIRK(0x17aa, 0x3975, "Lenovo U300s", CXT_FIXUP_STEREO_DMIC),
-	SND_PCI_QUIRK(0x17aa, 0x3977, "Lenovo IdeaPad U310", CXT_FIXUP_STEREO_DMIC),
+	SND_PCI_QUIRK(0x17aa, 0x3977, "Lenovo IdeaPad U310", CXT_PINCFG_LENOVO_NOTEBOOK),
 	SND_PCI_QUIRK(0x17aa, 0x3978, "Lenovo G50-70", CXT_FIXUP_STEREO_DMIC),
 	SND_PCI_QUIRK(0x17aa, 0x397b, "Lenovo S205", CXT_FIXUP_STEREO_DMIC),
 	SND_PCI_QUIRK_VENDOR(0x17aa, "Thinkpad", CXT_FIXUP_THINKPAD_ACPI),
--- a/sound/usb/bcd2000/bcd2000.c
+++ b/sound/usb/bcd2000/bcd2000.c
@@ -350,7 +350,8 @@ static int bcd2000_init_midi(struct bcd2000 *bcd2k)
 static void bcd2000_free_usb_related_resources(struct bcd2000 *bcd2k,
 						struct usb_interface *interface)
 {
-	/* usb_kill_urb not necessary, urb is aborted automatically */
+	usb_kill_urb(bcd2k->midi_out_urb);
+	usb_kill_urb(bcd2k->midi_in_urb);

 	usb_free_urb(bcd2k->midi_out_urb);
 	usb_free_urb(bcd2k->midi_in_urb);