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Re: Linux 4.9.168




diff --git a/Documentation/arm/kernel_mode_neon.txt b/Documentation/arm/kernel_mode_neon.txt
index 525452726d31..b9e060c5b61e 100644
--- a/Documentation/arm/kernel_mode_neon.txt
+++ b/Documentation/arm/kernel_mode_neon.txt
@@ -6,7 +6,7 @@ TL;DR summary
 * Use only NEON instructions, or VFP instructions that don't rely on support
   code
 * Isolate your NEON code in a separate compilation unit, and compile it with
-  '-mfpu=neon -mfloat-abi=softfp'
+  '-march=armv7-a -mfpu=neon -mfloat-abi=softfp'
 * Put kernel_neon_begin() and kernel_neon_end() calls around the calls into your
   NEON code
 * Don't sleep in your NEON code, and be aware that it will be executed with
@@ -87,7 +87,7 @@ instructions appearing in unexpected places if no special care is taken.
 Therefore, the recommended and only supported way of using NEON/VFP in the
 kernel is by adhering to the following rules:
 * isolate the NEON code in a separate compilation unit and compile it with
-  '-mfpu=neon -mfloat-abi=softfp';
+  '-march=armv7-a -mfpu=neon -mfloat-abi=softfp';
 * issue the calls to kernel_neon_begin(), kernel_neon_end() as well as the calls
   into the unit containing the NEON code from a compilation unit which is *not*
   built with the GCC flag '-mfpu=neon' set.
diff --git a/Makefile b/Makefile
index 2f030baeb162..f44094d2b147 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
 VERSION = 4
 PATCHLEVEL = 9
-SUBLEVEL = 167
+SUBLEVEL = 168
 EXTRAVERSION =
 NAME = Roaring Lionus
 
diff --git a/arch/arm/boot/dts/lpc32xx.dtsi b/arch/arm/boot/dts/lpc32xx.dtsi
index b5841fab51c1..0d20aadc78bb 100644
--- a/arch/arm/boot/dts/lpc32xx.dtsi
+++ b/arch/arm/boot/dts/lpc32xx.dtsi
@@ -230,7 +230,7 @@
 				status = "disabled";
 			};
 
-			i2s1: i2s@2009C000 {
+			i2s1: i2s@2009c000 {
 				compatible = "nxp,lpc3220-i2s";
 				reg = <0x2009C000 0x1000>;
 			};
@@ -273,7 +273,7 @@
 				status = "disabled";
 			};
 
-			i2c1: i2c@400A0000 {
+			i2c1: i2c@400a0000 {
 				compatible = "nxp,pnx-i2c";
 				reg = <0x400A0000 0x100>;
 				interrupt-parent = <&sic1>;
@@ -284,7 +284,7 @@
 				clocks = <&clk LPC32XX_CLK_I2C1>;
 			};
 
-			i2c2: i2c@400A8000 {
+			i2c2: i2c@400a8000 {
 				compatible = "nxp,pnx-i2c";
 				reg = <0x400A8000 0x100>;
 				interrupt-parent = <&sic1>;
@@ -295,7 +295,7 @@
 				clocks = <&clk LPC32XX_CLK_I2C2>;
 			};
 
-			mpwm: mpwm@400E8000 {
+			mpwm: mpwm@400e8000 {
 				compatible = "nxp,lpc3220-motor-pwm";
 				reg = <0x400E8000 0x78>;
 				status = "disabled";
@@ -394,7 +394,7 @@
 				#gpio-cells = <3>; /* bank, pin, flags */
 			};
 
-			timer4: timer@4002C000 {
+			timer4: timer@4002c000 {
 				compatible = "nxp,lpc3220-timer";
 				reg = <0x4002C000 0x1000>;
 				interrupts = <3 IRQ_TYPE_LEVEL_LOW>;
@@ -412,7 +412,7 @@
 				status = "disabled";
 			};
 
-			watchdog: watchdog@4003C000 {
+			watchdog: watchdog@4003c000 {
 				compatible = "nxp,pnx4008-wdt";
 				reg = <0x4003C000 0x1000>;
 				clocks = <&clk LPC32XX_CLK_WDOG>;
@@ -451,7 +451,7 @@
 				status = "disabled";
 			};
 
-			timer1: timer@4004C000 {
+			timer1: timer@4004c000 {
 				compatible = "nxp,lpc3220-timer";
 				reg = <0x4004C000 0x1000>;
 				interrupts = <17 IRQ_TYPE_LEVEL_LOW>;
@@ -475,14 +475,14 @@
 				status = "disabled";
 			};
 
-			pwm1: pwm@4005C000 {
+			pwm1: pwm@4005c000 {
 				compatible = "nxp,lpc3220-pwm";
 				reg = <0x4005C000 0x4>;
 				clocks = <&clk LPC32XX_CLK_PWM1>;
 				status = "disabled";
 			};
 
-			pwm2: pwm@4005C004 {
+			pwm2: pwm@4005c004 {
 				compatible = "nxp,lpc3220-pwm";
 				reg = <0x4005C004 0x4>;
 				clocks = <&clk LPC32XX_CLK_PWM2>;
diff --git a/arch/arm/include/asm/barrier.h b/arch/arm/include/asm/barrier.h
index 513e03d138ea..8331cb0d3461 100644
--- a/arch/arm/include/asm/barrier.h
+++ b/arch/arm/include/asm/barrier.h
@@ -10,6 +10,8 @@
 #define sev()	__asm__ __volatile__ ("sev" : : : "memory")
 #define wfe()	__asm__ __volatile__ ("wfe" : : : "memory")
 #define wfi()	__asm__ __volatile__ ("wfi" : : : "memory")
+#else
+#define wfe()	do { } while (0)
 #endif
 
 #if __LINUX_ARM_ARCH__ >= 7
diff --git a/arch/arm/include/asm/processor.h b/arch/arm/include/asm/processor.h
index 8a1e8e995dae..08509183c7df 100644
--- a/arch/arm/include/asm/processor.h
+++ b/arch/arm/include/asm/processor.h
@@ -77,7 +77,11 @@ extern void release_thread(struct task_struct *);
 unsigned long get_wchan(struct task_struct *p);
 
 #if __LINUX_ARM_ARCH__ == 6 || defined(CONFIG_ARM_ERRATA_754327)
-#define cpu_relax()			smp_mb()
+#define cpu_relax()						\
+	do {							\
+		smp_mb();					\
+		__asm__ __volatile__("nop; nop; nop; nop; nop; nop; nop; nop; nop; nop;");	\
+	} while (0)
 #else
 #define cpu_relax()			barrier()
 #endif
diff --git a/arch/arm/kernel/machine_kexec.c b/arch/arm/kernel/machine_kexec.c
index b18c1ea56bed..ef6b27fe1d2e 100644
--- a/arch/arm/kernel/machine_kexec.c
+++ b/arch/arm/kernel/machine_kexec.c
@@ -87,8 +87,11 @@ void machine_crash_nonpanic_core(void *unused)
 
 	set_cpu_online(smp_processor_id(), false);
 	atomic_dec(&waiting_for_crash_ipi);
-	while (1)
+
+	while (1) {
 		cpu_relax();
+		wfe();
+	}
 }
 
 static void machine_kexec_mask_interrupts(void)
diff --git a/arch/arm/kernel/smp.c b/arch/arm/kernel/smp.c
index bc83ec7ed53f..7a5dc011c523 100644
--- a/arch/arm/kernel/smp.c
+++ b/arch/arm/kernel/smp.c
@@ -602,8 +602,10 @@ static void ipi_cpu_stop(unsigned int cpu)
 	local_fiq_disable();
 	local_irq_disable();
 
-	while (1)
+	while (1) {
 		cpu_relax();
+		wfe();
+	}
 }
 
 static DEFINE_PER_CPU(struct completion *, cpu_completion);
diff --git a/arch/arm/kernel/unwind.c b/arch/arm/kernel/unwind.c
index 0bee233fef9a..314cfb232a63 100644
--- a/arch/arm/kernel/unwind.c
+++ b/arch/arm/kernel/unwind.c
@@ -93,7 +93,7 @@ extern const struct unwind_idx __start_unwind_idx[];
 static const struct unwind_idx *__origin_unwind_idx;
 extern const struct unwind_idx __stop_unwind_idx[];
 
-static DEFINE_SPINLOCK(unwind_lock);
+static DEFINE_RAW_SPINLOCK(unwind_lock);
 static LIST_HEAD(unwind_tables);
 
 /* Convert a prel31 symbol to an absolute address */
@@ -201,7 +201,7 @@ static const struct unwind_idx *unwind_find_idx(unsigned long addr)
 		/* module unwind tables */
 		struct unwind_table *table;
 
-		spin_lock_irqsave(&unwind_lock, flags);
+		raw_spin_lock_irqsave(&unwind_lock, flags);
 		list_for_each_entry(table, &unwind_tables, list) {
 			if (addr >= table->begin_addr &&
 			    addr < table->end_addr) {
@@ -213,7 +213,7 @@ static const struct unwind_idx *unwind_find_idx(unsigned long addr)
 				break;
 			}
 		}
-		spin_unlock_irqrestore(&unwind_lock, flags);
+		raw_spin_unlock_irqrestore(&unwind_lock, flags);
 	}
 
 	pr_debug("%s: idx = %p\n", __func__, idx);
@@ -529,9 +529,9 @@ struct unwind_table *unwind_table_add(unsigned long start, unsigned long size,
 	tab->begin_addr = text_addr;
 	tab->end_addr = text_addr + text_size;
 
-	spin_lock_irqsave(&unwind_lock, flags);
+	raw_spin_lock_irqsave(&unwind_lock, flags);
 	list_add_tail(&tab->list, &unwind_tables);
-	spin_unlock_irqrestore(&unwind_lock, flags);
+	raw_spin_unlock_irqrestore(&unwind_lock, flags);
 
 	return tab;
 }
@@ -543,9 +543,9 @@ void unwind_table_del(struct unwind_table *tab)
 	if (!tab)
 		return;
 
-	spin_lock_irqsave(&unwind_lock, flags);
+	raw_spin_lock_irqsave(&unwind_lock, flags);
 	list_del(&tab->list);
-	spin_unlock_irqrestore(&unwind_lock, flags);
+	raw_spin_unlock_irqrestore(&unwind_lock, flags);
 
 	kfree(tab);
 }
diff --git a/arch/arm/lib/Makefile b/arch/arm/lib/Makefile
index 27f4d96258a2..b3ecffb76c3f 100644
--- a/arch/arm/lib/Makefile
+++ b/arch/arm/lib/Makefile
@@ -38,7 +38,7 @@ $(obj)/csumpartialcopy.o:	$(obj)/csumpartialcopygeneric.S
 $(obj)/csumpartialcopyuser.o:	$(obj)/csumpartialcopygeneric.S
 
 ifeq ($(CONFIG_KERNEL_MODE_NEON),y)
-  NEON_FLAGS			:= -mfloat-abi=softfp -mfpu=neon
+  NEON_FLAGS			:= -march=armv7-a -mfloat-abi=softfp -mfpu=neon
   CFLAGS_xor-neon.o		+= $(NEON_FLAGS)
   obj-$(CONFIG_XOR_BLOCKS)	+= xor-neon.o
 endif
diff --git a/arch/arm/lib/xor-neon.c b/arch/arm/lib/xor-neon.c
index 2c40aeab3eaa..c691b901092f 100644
--- a/arch/arm/lib/xor-neon.c
+++ b/arch/arm/lib/xor-neon.c
@@ -14,7 +14,7 @@
 MODULE_LICENSE("GPL");
 
 #ifndef __ARM_NEON__
-#error You should compile this file with '-mfloat-abi=softfp -mfpu=neon'
+#error You should compile this file with '-march=armv7-a -mfloat-abi=softfp -mfpu=neon'
 #endif
 
 /*
diff --git a/arch/arm/mach-omap2/prm_common.c b/arch/arm/mach-omap2/prm_common.c
index f1ca9479491b..9e14604b9642 100644
--- a/arch/arm/mach-omap2/prm_common.c
+++ b/arch/arm/mach-omap2/prm_common.c
@@ -533,8 +533,10 @@ void omap_prm_reset_system(void)
 
 	prm_ll_data->reset_system();
 
-	while (1)
+	while (1) {
 		cpu_relax();
+		wfe();
+	}
 }
 
 /**
diff --git a/arch/arm64/kernel/kgdb.c b/arch/arm64/kernel/kgdb.c
index e017a9493b92..72a660a74ff9 100644
--- a/arch/arm64/kernel/kgdb.c
+++ b/arch/arm64/kernel/kgdb.c
@@ -231,24 +231,33 @@ int kgdb_arch_handle_exception(int exception_vector, int signo,
 
 static int kgdb_brk_fn(struct pt_regs *regs, unsigned int esr)
 {
+	if (user_mode(regs))
+		return DBG_HOOK_ERROR;
+
 	kgdb_handle_exception(1, SIGTRAP, 0, regs);
-	return 0;
+	return DBG_HOOK_HANDLED;
 }
 NOKPROBE_SYMBOL(kgdb_brk_fn)
 
 static int kgdb_compiled_brk_fn(struct pt_regs *regs, unsigned int esr)
 {
+	if (user_mode(regs))
+		return DBG_HOOK_ERROR;
+
 	compiled_break = 1;
 	kgdb_handle_exception(1, SIGTRAP, 0, regs);
 
-	return 0;
+	return DBG_HOOK_HANDLED;
 }
 NOKPROBE_SYMBOL(kgdb_compiled_brk_fn);
 
 static int kgdb_step_brk_fn(struct pt_regs *regs, unsigned int esr)
 {
+	if (user_mode(regs))
+		return DBG_HOOK_ERROR;
+
 	kgdb_handle_exception(1, SIGTRAP, 0, regs);
-	return 0;
+	return DBG_HOOK_HANDLED;
 }
 NOKPROBE_SYMBOL(kgdb_step_brk_fn);
 
diff --git a/arch/arm64/kernel/probes/kprobes.c b/arch/arm64/kernel/probes/kprobes.c
index d2b1b624ddc3..17f647103ed7 100644
--- a/arch/arm64/kernel/probes/kprobes.c
+++ b/arch/arm64/kernel/probes/kprobes.c
@@ -450,6 +450,9 @@ kprobe_single_step_handler(struct pt_regs *regs, unsigned int esr)
 	struct kprobe_ctlblk *kcb = get_kprobe_ctlblk();
 	int retval;
 
+	if (user_mode(regs))
+		return DBG_HOOK_ERROR;
+
 	/* return error if this is not our step */
 	retval = kprobe_ss_hit(kcb, instruction_pointer(regs));
 
@@ -466,6 +469,9 @@ kprobe_single_step_handler(struct pt_regs *regs, unsigned int esr)
 int __kprobes
 kprobe_breakpoint_handler(struct pt_regs *regs, unsigned int esr)
 {
+	if (user_mode(regs))
+		return DBG_HOOK_ERROR;
+
 	kprobe_handler(regs);
 	return DBG_HOOK_HANDLED;
 }
diff --git a/arch/arm64/mm/fault.c b/arch/arm64/mm/fault.c
index ad49ae8f3967..051b32084776 100644
--- a/arch/arm64/mm/fault.c
+++ b/arch/arm64/mm/fault.c
@@ -673,11 +673,12 @@ void __init hook_debug_fault_code(int nr,
 	debug_fault_info[nr].name	= name;
 }
 
-asmlinkage int __exception do_debug_exception(unsigned long addr,
+asmlinkage int __exception do_debug_exception(unsigned long addr_if_watchpoint,
 					      unsigned int esr,
 					      struct pt_regs *regs)
 {
 	const struct fault_info *inf = debug_fault_info + DBG_ESR_EVT(esr);
+	unsigned long pc = instruction_pointer(regs);
 	struct siginfo info;
 	int rv;
 
@@ -688,19 +689,19 @@ asmlinkage int __exception do_debug_exception(unsigned long addr,
 	if (interrupts_enabled(regs))
 		trace_hardirqs_off();
 
-	if (user_mode(regs) && instruction_pointer(regs) > TASK_SIZE)
+	if (user_mode(regs) && pc > TASK_SIZE)
 		arm64_apply_bp_hardening();
 
-	if (!inf->fn(addr, esr, regs)) {
+	if (!inf->fn(addr_if_watchpoint, esr, regs)) {
 		rv = 1;
 	} else {
 		pr_alert("Unhandled debug exception: %s (0x%08x) at 0x%016lx\n",
-			 inf->name, esr, addr);
+			 inf->name, esr, pc);
 
 		info.si_signo = inf->sig;
 		info.si_errno = 0;
 		info.si_code  = inf->code;
-		info.si_addr  = (void __user *)addr;
+		info.si_addr  = (void __user *)pc;
 		arm64_notify_die("", regs, &info, 0);
 		rv = 0;
 	}
diff --git a/arch/h8300/Makefile b/arch/h8300/Makefile
index e1c02ca230cb..073bba6f9f60 100644
--- a/arch/h8300/Makefile
+++ b/arch/h8300/Makefile
@@ -23,7 +23,7 @@ KBUILD_AFLAGS += $(aflags-y)
 LDFLAGS += $(ldflags-y)
 
 ifeq ($(CROSS_COMPILE),)
-CROSS_COMPILE := h8300-unknown-linux-
+CROSS_COMPILE := $(call cc-cross-prefix, h8300-unknown-linux- h8300-linux-)
 endif
 
 core-y	+= arch/$(ARCH)/kernel/ arch/$(ARCH)/mm/
diff --git a/arch/powerpc/include/asm/topology.h b/arch/powerpc/include/asm/topology.h
index 8b3b46b7b0f2..229c91bcf616 100644
--- a/arch/powerpc/include/asm/topology.h
+++ b/arch/powerpc/include/asm/topology.h
@@ -90,6 +90,8 @@ static inline int prrn_is_enabled(void)
 #define topology_sibling_cpumask(cpu)	(per_cpu(cpu_sibling_map, cpu))
 #define topology_core_cpumask(cpu)	(per_cpu(cpu_core_map, cpu))
 #define topology_core_id(cpu)		(cpu_to_core_id(cpu))
+
+int dlpar_cpu_readd(int cpu);
 #endif
 #endif
 
diff --git a/arch/powerpc/mm/numa.c b/arch/powerpc/mm/numa.c
index 0ef83c274019..9cad2ed812ab 100644
--- a/arch/powerpc/mm/numa.c
+++ b/arch/powerpc/mm/numa.c
@@ -1540,13 +1540,6 @@ static void reset_topology_timer(void)
 
 #ifdef CONFIG_SMP
 
-static void stage_topology_update(int core_id)
-{
-	cpumask_or(&cpu_associativity_changes_mask,
-		&cpu_associativity_changes_mask, cpu_sibling_mask(core_id));
-	reset_topology_timer();
-}
-
 static int dt_update_callback(struct notifier_block *nb,
 				unsigned long action, void *data)
 {
@@ -1559,7 +1552,7 @@ static int dt_update_callback(struct notifier_block *nb,
 		    !of_prop_cmp(update->prop->name, "ibm,associativity")) {
 			u32 core_id;
 			of_property_read_u32(update->dn, "reg", &core_id);
-			stage_topology_update(core_id);
+			rc = dlpar_cpu_readd(core_id);
 			rc = NOTIFY_OK;
 		}
 		break;
diff --git a/arch/powerpc/platforms/pseries/hotplug-cpu.c b/arch/powerpc/platforms/pseries/hotplug-cpu.c
index a1b63e00b2f7..7a2beedb9740 100644
--- a/arch/powerpc/platforms/pseries/hotplug-cpu.c
+++ b/arch/powerpc/platforms/pseries/hotplug-cpu.c
@@ -785,6 +785,25 @@ static int dlpar_cpu_add_by_count(u32 cpus_to_add)
 	return rc;
 }
 
+int dlpar_cpu_readd(int cpu)
+{
+	struct device_node *dn;
+	struct device *dev;
+	u32 drc_index;
+	int rc;
+
+	dev = get_cpu_device(cpu);
+	dn = dev->of_node;
+
+	rc = of_property_read_u32(dn, "ibm,my-drc-index", &drc_index);
+
+	rc = dlpar_cpu_remove_by_index(drc_index);
+	if (!rc)
+		rc = dlpar_cpu_add(drc_index);
+
+	return rc;
+}
+
 int dlpar_cpu(struct pseries_hp_errorlog *hp_elog)
 {
 	u32 count, drc_index;
diff --git a/arch/x86/boot/Makefile b/arch/x86/boot/Makefile
index 3b7156f46bc1..3b16935b22bc 100644
--- a/arch/x86/boot/Makefile
+++ b/arch/x86/boot/Makefile
@@ -100,7 +100,7 @@ $(obj)/zoffset.h: $(obj)/compressed/vmlinux FORCE
 AFLAGS_header.o += -I$(objtree)/$(obj)
 $(obj)/header.o: $(obj)/zoffset.h
 
-LDFLAGS_setup.elf	:= -T
+LDFLAGS_setup.elf	:= -m elf_i386 -T
 $(obj)/setup.elf: $(src)/setup.ld $(SETUP_OBJS) FORCE
 	$(call if_changed,ld)
 
diff --git a/arch/x86/kernel/vmlinux.lds.S b/arch/x86/kernel/vmlinux.lds.S
index e783a5daaab2..55f04875293f 100644
--- a/arch/x86/kernel/vmlinux.lds.S
+++ b/arch/x86/kernel/vmlinux.lds.S
@@ -367,7 +367,7 @@ SECTIONS
  * Per-cpu symbols which need to be offset from __per_cpu_load
  * for the boot processor.
  */
-#define INIT_PER_CPU(x) init_per_cpu__##x = x + __per_cpu_load
+#define INIT_PER_CPU(x) init_per_cpu__##x = ABSOLUTE(x) + __per_cpu_load
 INIT_PER_CPU(gdt_page);
 INIT_PER_CPU(irq_stack_union);
 
diff --git a/arch/x86/realmode/rm/Makefile b/arch/x86/realmode/rm/Makefile
index 25012abc3409..ce5f431e6823 100644
--- a/arch/x86/realmode/rm/Makefile
+++ b/arch/x86/realmode/rm/Makefile
@@ -47,7 +47,7 @@ $(obj)/pasyms.h: $(REALMODE_OBJS) FORCE
 targets += realmode.lds
 $(obj)/realmode.lds: $(obj)/pasyms.h
 
-LDFLAGS_realmode.elf := --emit-relocs -T
+LDFLAGS_realmode.elf := -m elf_i386 --emit-relocs -T
 CPPFLAGS_realmode.lds += -P -C -I$(objtree)/$(obj)
 
 targets += realmode.elf
diff --git a/drivers/acpi/acpi_video.c b/drivers/acpi/acpi_video.c
index 667dc5c86fef..ea0573176894 100644
--- a/drivers/acpi/acpi_video.c
+++ b/drivers/acpi/acpi_video.c
@@ -2069,21 +2069,29 @@ static int __init intel_opregion_present(void)
 	return opregion;
 }
 
+/* Check if the chassis-type indicates there is no builtin LCD panel */
 static bool dmi_is_desktop(void)
 {
 	const char *chassis_type;
+	unsigned long type;
 
 	chassis_type = dmi_get_system_info(DMI_CHASSIS_TYPE);
 	if (!chassis_type)
 		return false;
 
-	if (!strcmp(chassis_type, "3") || /*  3: Desktop */
-	    !strcmp(chassis_type, "4") || /*  4: Low Profile Desktop */
-	    !strcmp(chassis_type, "5") || /*  5: Pizza Box */
-	    !strcmp(chassis_type, "6") || /*  6: Mini Tower */
-	    !strcmp(chassis_type, "7") || /*  7: Tower */
-	    !strcmp(chassis_type, "11"))  /* 11: Main Server Chassis */
+	if (kstrtoul(chassis_type, 10, &type) != 0)
+		return false;
+
+	switch (type) {
+	case 0x03: /* Desktop */
+	case 0x04: /* Low Profile Desktop */
+	case 0x05: /* Pizza Box */
+	case 0x06: /* Mini Tower */
+	case 0x07: /* Tower */
+	case 0x10: /* Lunch Box */
+	case 0x11: /* Main Server Chassis */
 		return true;
+	}
 
 	return false;
 }
diff --git a/drivers/cdrom/cdrom.c b/drivers/cdrom/cdrom.c
index ff4280800cd0..a46f188f679e 100644
--- a/drivers/cdrom/cdrom.c
+++ b/drivers/cdrom/cdrom.c
@@ -265,6 +265,7 @@
 /* #define ERRLOGMASK (CD_WARNING|CD_OPEN|CD_COUNT_TRACKS|CD_CLOSE) */
 /* #define ERRLOGMASK (CD_WARNING|CD_REG_UNREG|CD_DO_IOCTL|CD_OPEN|CD_CLOSE|CD_COUNT_TRACKS) */
 
+#include <linux/atomic.h>
 #include <linux/module.h>
 #include <linux/fs.h>
 #include <linux/major.h>
@@ -3683,9 +3684,9 @@ static struct ctl_table_header *cdrom_sysctl_header;
 
 static void cdrom_sysctl_register(void)
 {
-	static int initialized;
+	static atomic_t initialized = ATOMIC_INIT(0);
 
-	if (initialized == 1)
+	if (!atomic_add_unless(&initialized, 1, 1))
 		return;
 
 	cdrom_sysctl_header = register_sysctl_table(cdrom_root_table);
@@ -3696,8 +3697,6 @@ static void cdrom_sysctl_register(void)
 	cdrom_sysctl_settings.debug = debug;
 	cdrom_sysctl_settings.lock = lockdoor;
 	cdrom_sysctl_settings.check = check_media_type;
-
-	initialized = 1;
 }
 
 static void cdrom_sysctl_unregister(void)
diff --git a/drivers/char/hpet.c b/drivers/char/hpet.c
index 50272fe81f26..818a8d40e5c9 100644
--- a/drivers/char/hpet.c
+++ b/drivers/char/hpet.c
@@ -376,7 +376,7 @@ static __init int hpet_mmap_enable(char *str)
 	pr_info("HPET mmap %s\n", hpet_mmap_enabled ? "enabled" : "disabled");
 	return 1;
 }
-__setup("hpet_mmap", hpet_mmap_enable);
+__setup("hpet_mmap=", hpet_mmap_enable);
 
 static int hpet_mmap(struct file *file, struct vm_area_struct *vma)
 {
diff --git a/drivers/char/hw_random/virtio-rng.c b/drivers/char/hw_random/virtio-rng.c
index 3fa2f8a009b3..1c5c4314c6b5 100644
--- a/drivers/char/hw_random/virtio-rng.c
+++ b/drivers/char/hw_random/virtio-rng.c
@@ -73,7 +73,7 @@ static int virtio_read(struct hwrng *rng, void *buf, size_t size, bool wait)
 
 	if (!vi->busy) {
 		vi->busy = true;
-		init_completion(&vi->have_data);
+		reinit_completion(&vi->have_data);
 		register_buffer(vi, buf, size);
 	}
 
diff --git a/drivers/crypto/amcc/crypto4xx_trng.c b/drivers/crypto/amcc/crypto4xx_trng.c
index 677ca17fd223..368c5599515e 100644
--- a/drivers/crypto/amcc/crypto4xx_trng.c
+++ b/drivers/crypto/amcc/crypto4xx_trng.c
@@ -80,8 +80,10 @@ void ppc4xx_trng_probe(struct crypto4xx_core_device *core_dev)
 
 	/* Find the TRNG device node and map it */
 	trng = of_find_matching_node(NULL, ppc4xx_trng_match);
-	if (!trng || !of_device_is_available(trng))
+	if (!trng || !of_device_is_available(trng)) {
+		of_node_put(trng);
 		return;
+	}
 
 	dev->trng_base = of_iomap(trng, 0);
 	of_node_put(trng);
diff --git a/drivers/dma/imx-dma.c b/drivers/dma/imx-dma.c
index 1cfa1d9bc971..f8786f60cdc1 100644
--- a/drivers/dma/imx-dma.c
+++ b/drivers/dma/imx-dma.c
@@ -290,7 +290,7 @@ static inline int imxdma_sg_next(struct imxdma_desc *d)
 	struct scatterlist *sg = d->sg;
 	unsigned long now;
 
-	now = min(d->len, sg_dma_len(sg));
+	now = min_t(size_t, d->len, sg_dma_len(sg));
 	if (d->len != IMX_DMA_LENGTH_LOOP)
 		d->len -= now;
 
diff --git a/drivers/dma/qcom/hidma.c b/drivers/dma/qcom/hidma.c
index e244e10a94b5..5444f39bf939 100644
--- a/drivers/dma/qcom/hidma.c
+++ b/drivers/dma/qcom/hidma.c
@@ -131,24 +131,25 @@ static void hidma_process_completed(struct hidma_chan *mchan)
 		desc = &mdesc->desc;
 		last_cookie = desc->cookie;
 
+		llstat = hidma_ll_status(mdma->lldev, mdesc->tre_ch);
+
 		spin_lock_irqsave(&mchan->lock, irqflags);
+		if (llstat == DMA_COMPLETE) {
+			mchan->last_success = last_cookie;
+			result.result = DMA_TRANS_NOERROR;
+		} else {
+			result.result = DMA_TRANS_ABORTED;
+		}
+
 		dma_cookie_complete(desc);
 		spin_unlock_irqrestore(&mchan->lock, irqflags);
 
-		llstat = hidma_ll_status(mdma->lldev, mdesc->tre_ch);
 		dmaengine_desc_get_callback(desc, &cb);
 
 		dma_run_dependencies(desc);
 
 		spin_lock_irqsave(&mchan->lock, irqflags);
 		list_move(&mdesc->node, &mchan->free);
-
-		if (llstat == DMA_COMPLETE) {
-			mchan->last_success = last_cookie;
-			result.result = DMA_TRANS_NOERROR;
-		} else
-			result.result = DMA_TRANS_ABORTED;
-
 		spin_unlock_irqrestore(&mchan->lock, irqflags);
 
 		dmaengine_desc_callback_invoke(&cb, &result);
diff --git a/drivers/dma/tegra20-apb-dma.c b/drivers/dma/tegra20-apb-dma.c
index 3722b9d8d9fe..22f7f0c68a48 100644
--- a/drivers/dma/tegra20-apb-dma.c
+++ b/drivers/dma/tegra20-apb-dma.c
@@ -635,7 +635,10 @@ static void handle_cont_sngl_cycle_dma_done(struct tegra_dma_channel *tdc,
 
 	sgreq = list_first_entry(&tdc->pending_sg_req, typeof(*sgreq), node);
 	dma_desc = sgreq->dma_desc;
-	dma_desc->bytes_transferred += sgreq->req_len;
+	/* if we dma for long enough the transfer count will wrap */
+	dma_desc->bytes_transferred =
+		(dma_desc->bytes_transferred + sgreq->req_len) %
+		dma_desc->bytes_requested;
 
 	/* Callback need to be call */
 	if (!dma_desc->cb_count)
diff --git a/drivers/firmware/efi/memattr.c b/drivers/firmware/efi/memattr.c
index 236004b9a50d..9faa09e7c31f 100644
--- a/drivers/firmware/efi/memattr.c
+++ b/drivers/firmware/efi/memattr.c
@@ -93,7 +93,7 @@ static bool entry_is_valid(const efi_memory_desc_t *in, efi_memory_desc_t *out)
 
 		if (!(md->attribute & EFI_MEMORY_RUNTIME))
 			continue;
-		if (md->virt_addr == 0) {
+		if (md->virt_addr == 0 && md->phys_addr != 0) {
 			/* no virtual mapping has been installed by the stub */
 			break;
 		}
diff --git a/drivers/gpio/gpio-omap.c b/drivers/gpio/gpio-omap.c
index 6f9c9ac6ee70..75f30a0c418a 100644
--- a/drivers/gpio/gpio-omap.c
+++ b/drivers/gpio/gpio-omap.c
@@ -837,14 +837,16 @@ static void omap_gpio_unmask_irq(struct irq_data *d)
 	if (trigger)
 		omap_set_gpio_triggering(bank, offset, trigger);
 
-	/* For level-triggered GPIOs, the clearing must be done after
-	 * the HW source is cleared, thus after the handler has run */
-	if (bank->level_mask & BIT(offset)) {
-		omap_set_gpio_irqenable(bank, offset, 0);
+	omap_set_gpio_irqenable(bank, offset, 1);
+
+	/*
+	 * For level-triggered GPIOs, clearing must be done after the source
+	 * is cleared, thus after the handler has run. OMAP4 needs this done
+	 * after enabing the interrupt to clear the wakeup status.
+	 */
+	if (bank->level_mask & BIT(offset))
 		omap_clear_gpio_irqstatus(bank, offset);
-	}
 
-	omap_set_gpio_irqenable(bank, offset, 1);
 	raw_spin_unlock_irqrestore(&bank->lock, flags);
 }
 
diff --git a/drivers/gpu/drm/drm_dp_mst_topology.c b/drivers/gpu/drm/drm_dp_mst_topology.c
index b59441d109a5..4a959740058e 100644
--- a/drivers/gpu/drm/drm_dp_mst_topology.c
+++ b/drivers/gpu/drm/drm_dp_mst_topology.c
@@ -3069,6 +3069,7 @@ static int drm_dp_mst_i2c_xfer(struct i2c_adapter *adapter, struct i2c_msg *msgs
 		msg.u.i2c_read.transactions[i].i2c_dev_id = msgs[i].addr;
 		msg.u.i2c_read.transactions[i].num_bytes = msgs[i].len;
 		msg.u.i2c_read.transactions[i].bytes = msgs[i].buf;
+		msg.u.i2c_read.transactions[i].no_stop_bit = !(msgs[i].flags & I2C_M_STOP);
 	}
 	msg.u.i2c_read.read_i2c_device_id = msgs[num - 1].addr;
 	msg.u.i2c_read.num_bytes_read = msgs[num - 1].len;
diff --git a/drivers/gpu/drm/nouveau/dispnv04/tvnv17.c b/drivers/gpu/drm/nouveau/dispnv04/tvnv17.c
index 434d1e29f279..cd37d00e9723 100644
--- a/drivers/gpu/drm/nouveau/dispnv04/tvnv17.c
+++ b/drivers/gpu/drm/nouveau/dispnv04/tvnv17.c
@@ -750,7 +750,9 @@ static int nv17_tv_set_property(struct drm_encoder *encoder,
 		/* Disable the crtc to ensure a full modeset is
 		 * performed whenever it's turned on again. */
 		if (crtc)
-			drm_crtc_force_disable(crtc);
+			drm_crtc_helper_set_mode(crtc, &crtc->mode,
+						 crtc->x, crtc->y,
+						 crtc->primary->fb);
 	}
 
 	return 0;
diff --git a/drivers/hid/intel-ish-hid/ipc/ipc.c b/drivers/hid/intel-ish-hid/ipc/ipc.c
index 0c9ac4d5d850..41d44536aa15 100644
--- a/drivers/hid/intel-ish-hid/ipc/ipc.c
+++ b/drivers/hid/intel-ish-hid/ipc/ipc.c
@@ -92,7 +92,10 @@ static bool check_generated_interrupt(struct ishtp_device *dev)
 			IPC_INT_FROM_ISH_TO_HOST_CHV_AB(pisr_val);
 	} else {
 		pisr_val = ish_reg_read(dev, IPC_REG_PISR_BXT);
-		interrupt_generated = IPC_INT_FROM_ISH_TO_HOST_BXT(pisr_val);
+		interrupt_generated = !!pisr_val;
+		/* only busy-clear bit is RW, others are RO */
+		if (pisr_val)
+			ish_reg_write(dev, IPC_REG_PISR_BXT, pisr_val);
 	}
 
 	return interrupt_generated;
@@ -795,11 +798,11 @@ int ish_hw_start(struct ishtp_device *dev)
 {
 	ish_set_host_rdy(dev);
 
+	set_host_ready(dev);
+
 	/* After that we can enable ISH DMA operation and wakeup ISHFW */
 	ish_wakeup(dev);
 
-	set_host_ready(dev);
-
 	/* wait for FW-initiated reset flow */
 	if (!dev->recvd_hw_ready)
 		wait_event_interruptible_timeout(dev->wait_hw_ready,
diff --git a/drivers/hid/intel-ish-hid/ishtp/bus.c b/drivers/hid/intel-ish-hid/ishtp/bus.c
index 256521509d20..0de18c76f8d4 100644
--- a/drivers/hid/intel-ish-hid/ishtp/bus.c
+++ b/drivers/hid/intel-ish-hid/ishtp/bus.c
@@ -628,7 +628,8 @@ int ishtp_cl_device_bind(struct ishtp_cl *cl)
 	spin_lock_irqsave(&cl->dev->device_list_lock, flags);
 	list_for_each_entry(cl_device, &cl->dev->device_list,
 			device_link) {
-		if (cl_device->fw_client->client_id == cl->fw_client_id) {
+		if (cl_device->fw_client &&
+		    cl_device->fw_client->client_id == cl->fw_client_id) {
 			cl->device = cl_device;
 			rv = 0;
 			break;
@@ -688,6 +689,7 @@ void ishtp_bus_remove_all_clients(struct ishtp_device *ishtp_dev,
 	spin_lock_irqsave(&ishtp_dev->device_list_lock, flags);
 	list_for_each_entry_safe(cl_device, n, &ishtp_dev->device_list,
 				 device_link) {
+		cl_device->fw_client = NULL;
 		if (warm_reset && cl_device->reference_count)
 			continue;
 
diff --git a/drivers/hwtracing/coresight/coresight-etm4x.c b/drivers/hwtracing/coresight/coresight-etm4x.c
index 4db8d6a4d0cb..da27f8edba50 100644
--- a/drivers/hwtracing/coresight/coresight-etm4x.c
+++ b/drivers/hwtracing/coresight/coresight-etm4x.c
@@ -61,7 +61,8 @@ static void etm4_os_unlock(struct etmv4_drvdata *drvdata)
 
 static bool etm4_arch_supported(u8 arch)
 {
-	switch (arch) {
+	/* Mask out the minor version number */
+	switch (arch & 0xf0) {
 	case ETM_ARCH_V4:
 		break;
 	default:
diff --git a/drivers/i2c/i2c-core.c b/drivers/i2c/i2c-core.c
index 7484aac1e14d..80d82c6792d8 100644
--- a/drivers/i2c/i2c-core.c
+++ b/drivers/i2c/i2c-core.c
@@ -3250,16 +3250,16 @@ static s32 i2c_smbus_xfer_emulated(struct i2c_adapter *adapter, u16 addr,
 				   the underlying bus driver */
 		break;
 	case I2C_SMBUS_I2C_BLOCK_DATA:
+		if (data->block[0] > I2C_SMBUS_BLOCK_MAX) {
+			dev_err(&adapter->dev, "Invalid block %s size %d\n",
+				read_write == I2C_SMBUS_READ ? "read" : "write",
+				data->block[0]);
+			return -EINVAL;
+		}
 		if (read_write == I2C_SMBUS_READ) {
 			msg[1].len = data->block[0];
 		} else {
 			msg[0].len = data->block[0] + 1;
-			if (msg[0].len > I2C_SMBUS_BLOCK_MAX + 1) {
-				dev_err(&adapter->dev,
-					"Invalid block write size %d\n",
-					data->block[0]);
-				return -EINVAL;
-			}
 			for (i = 1; i <= data->block[0]; i++)
 				msgbuf0[i] = data->block[i];
 		}
diff --git a/drivers/infiniband/hw/cxgb4/cm.c b/drivers/infiniband/hw/cxgb4/cm.c
index dd18b74cd01d..a2322b2dbd82 100644
--- a/drivers/infiniband/hw/cxgb4/cm.c
+++ b/drivers/infiniband/hw/cxgb4/cm.c
@@ -1872,8 +1872,10 @@ static int abort_rpl(struct c4iw_dev *dev, struct sk_buff *skb)
 	}
 	mutex_unlock(&ep->com.mutex);
 
-	if (release)
+	if (release) {
+		close_complete_upcall(ep, -ECONNRESET);
 		release_ep_resources(ep);
+	}
 	c4iw_put_ep(&ep->com);
 	return 0;
 }
@@ -3567,7 +3569,6 @@ int c4iw_ep_disconnect(struct c4iw_ep *ep, int abrupt, gfp_t gfp)
 	if (close) {
 		if (abrupt) {
 			set_bit(EP_DISC_ABORT, &ep->com.history);
-			close_complete_upcall(ep, -ECONNRESET);
 			ret = send_abort(ep);
 		} else {
 			set_bit(EP_DISC_CLOSE, &ep->com.history);
diff --git a/drivers/infiniband/hw/mlx4/cm.c b/drivers/infiniband/hw/mlx4/cm.c
index 39a488889fc7..5dc920fe1326 100644
--- a/drivers/infiniband/hw/mlx4/cm.c
+++ b/drivers/infiniband/hw/mlx4/cm.c
@@ -39,7 +39,7 @@
 
 #include "mlx4_ib.h"
 
-#define CM_CLEANUP_CACHE_TIMEOUT  (5 * HZ)
+#define CM_CLEANUP_CACHE_TIMEOUT  (30 * HZ)
 
 struct id_map_entry {
 	struct rb_node node;
diff --git a/drivers/iommu/io-pgtable-arm-v7s.c b/drivers/iommu/io-pgtable-arm-v7s.c
index d68a552cfe8d..3085b47fac1d 100644
--- a/drivers/iommu/io-pgtable-arm-v7s.c
+++ b/drivers/iommu/io-pgtable-arm-v7s.c
@@ -207,7 +207,8 @@ static void *__arm_v7s_alloc_table(int lvl, gfp_t gfp,
 		if (dma != virt_to_phys(table))
 			goto out_unmap;
 	}
-	kmemleak_ignore(table);
+	if (lvl == 2)
+		kmemleak_ignore(table);
 	return table;
 
 out_unmap:
diff --git a/drivers/leds/leds-lp55xx-common.c b/drivers/leds/leds-lp55xx-common.c
index 5377f22ff994..e2655953667c 100644
--- a/drivers/leds/leds-lp55xx-common.c
+++ b/drivers/leds/leds-lp55xx-common.c
@@ -201,7 +201,7 @@ static void lp55xx_firmware_loaded(const struct firmware *fw, void *context)
 
 	if (!fw) {
 		dev_err(dev, "firmware request failed\n");
-		goto out;
+		return;
 	}
 
 	/* handling firmware data is chip dependent */
@@ -214,9 +214,9 @@ static void lp55xx_firmware_loaded(const struct firmware *fw, void *context)
 
 	mutex_unlock(&chip->lock);
 
-out:
 	/* firmware should be released for other channel use */
 	release_firmware(chip->fw);
+	chip->fw = NULL;
 }
 
 static int lp55xx_request_firmware(struct lp55xx_chip *chip)
diff --git a/drivers/md/bcache/sysfs.c b/drivers/md/bcache/sysfs.c
index 5a5c1f1bd8a5..463ce6757338 100644
--- a/drivers/md/bcache/sysfs.c
+++ b/drivers/md/bcache/sysfs.c
@@ -215,7 +215,9 @@ STORE(__cached_dev)
 	d_strtoul(writeback_rate_d_term);
 	d_strtoul_nonzero(writeback_rate_p_term_inverse);
 
-	d_strtoi_h(sequential_cutoff);
+	sysfs_strtoul_clamp(sequential_cutoff,
+			    dc->sequential_cutoff,
+			    0, UINT_MAX);
 	d_strtoi_h(readahead);
 
 	if (attr == &sysfs_clear_stats)
@@ -645,8 +647,17 @@ STORE(__bch_cache_set)
 		c->error_limit = strtoul_or_return(buf) << IO_ERROR_SHIFT;
 
 	/* See count_io_errors() for why 88 */
-	if (attr == &sysfs_io_error_halflife)
-		c->error_decay = strtoul_or_return(buf) / 88;
+	if (attr == &sysfs_io_error_halflife) {
+		unsigned long v = 0;
+		ssize_t ret;
+
+		ret = strtoul_safe_clamp(buf, v, 0, UINT_MAX);
+		if (!ret) {
+			c->error_decay = v / 88;
+			return size;
+		}
+		return ret;
+	}
 
 	sysfs_strtoul(journal_delay_ms,		c->journal_delay_ms);
 	sysfs_strtoul(verify,			c->verify);
diff --git a/drivers/md/bcache/sysfs.h b/drivers/md/bcache/sysfs.h
index 0526fe92a683..e7a3c12aa66f 100644
--- a/drivers/md/bcache/sysfs.h
+++ b/drivers/md/bcache/sysfs.h
@@ -80,9 +80,16 @@ do {									\
 
 #define sysfs_strtoul_clamp(file, var, min, max)			\
 do {									\
-	if (attr == &sysfs_ ## file)					\
-		return strtoul_safe_clamp(buf, var, min, max)		\
-			?: (ssize_t) size;				\
+	if (attr == &sysfs_ ## file) {					\
+		unsigned long v = 0;					\
+		ssize_t ret;						\
+		ret = strtoul_safe_clamp(buf, v, min, max);		\
+		if (!ret) {						\
+			var = v;					\
+			return size;					\
+		}							\
+		return ret;						\
+	}								\
 } while (0)
 
 #define strtoul_or_return(cp)						\
diff --git a/drivers/md/dm-thin.c b/drivers/md/dm-thin.c
index 345f4d81ba07..23a7e108352a 100644
--- a/drivers/md/dm-thin.c
+++ b/drivers/md/dm-thin.c
@@ -3295,6 +3295,13 @@ static int pool_ctr(struct dm_target *ti, unsigned argc, char **argv)
 	as.argc = argc;
 	as.argv = argv;
 
+	/* make sure metadata and data are different devices */
+	if (!strcmp(argv[0], argv[1])) {
+		ti->error = "Error setting metadata or data device";
+		r = -EINVAL;
+		goto out_unlock;
+	}
+
 	/*
 	 * Set default pool features.
 	 */
@@ -4177,6 +4184,12 @@ static int thin_ctr(struct dm_target *ti, unsigned argc, char **argv)
 	tc->sort_bio_list = RB_ROOT;
 
 	if (argc == 3) {
+		if (!strcmp(argv[0], argv[2])) {
+			ti->error = "Error setting origin device";
+			r = -EINVAL;
+			goto bad_origin_dev;
+		}
+
 		r = dm_get_device(ti, argv[2], FMODE_READ, &origin_dev);
 		if (r) {
 			ti->error = "Error opening origin device";
diff --git a/drivers/media/i2c/mt9m111.c b/drivers/media/i2c/mt9m111.c
index 72e71b762827..a6145877bd00 100644
--- a/drivers/media/i2c/mt9m111.c
+++ b/drivers/media/i2c/mt9m111.c
@@ -974,6 +974,8 @@ static int mt9m111_probe(struct i2c_client *client,
 	mt9m111->rect.top	= MT9M111_MIN_DARK_ROWS;
 	mt9m111->rect.width	= MT9M111_MAX_WIDTH;
 	mt9m111->rect.height	= MT9M111_MAX_HEIGHT;
+	mt9m111->width		= mt9m111->rect.width;
+	mt9m111->height		= mt9m111->rect.height;
 	mt9m111->fmt		= &mt9m111_colour_fmts[0];
 	mt9m111->lastpage	= -1;
 	mutex_init(&mt9m111->power_lock);
diff --git a/drivers/media/platform/mx2_emmaprp.c b/drivers/media/platform/mx2_emmaprp.c
index e68d271b10af..8354ad20865a 100644
--- a/drivers/media/platform/mx2_emmaprp.c
+++ b/drivers/media/platform/mx2_emmaprp.c
@@ -288,7 +288,7 @@ static void emmaprp_device_run(void *priv)
 {
 	struct emmaprp_ctx *ctx = priv;
 	struct emmaprp_q_data *s_q_data, *d_q_data;
-	struct vb2_buffer *src_buf, *dst_buf;
+	struct vb2_v4l2_buffer *src_buf, *dst_buf;
 	struct emmaprp_dev *pcdev = ctx->dev;
 	unsigned int s_width, s_height;
 	unsigned int d_width, d_height;
@@ -308,8 +308,8 @@ static void emmaprp_device_run(void *priv)
 	d_height = d_q_data->height;
 	d_size = d_width * d_height;
 
-	p_in = vb2_dma_contig_plane_dma_addr(src_buf, 0);
-	p_out = vb2_dma_contig_plane_dma_addr(dst_buf, 0);
+	p_in = vb2_dma_contig_plane_dma_addr(&src_buf->vb2_buf, 0);
+	p_out = vb2_dma_contig_plane_dma_addr(&dst_buf->vb2_buf, 0);
 	if (!p_in || !p_out) {
 		v4l2_err(&pcdev->v4l2_dev,
 			 "Acquiring kernel pointers to buffers failed\n");
diff --git a/drivers/media/platform/s5p-g2d/g2d.c b/drivers/media/platform/s5p-g2d/g2d.c
index 62c0dec30b59..5f6ccf492111 100644
--- a/drivers/media/platform/s5p-g2d/g2d.c
+++ b/drivers/media/platform/s5p-g2d/g2d.c
@@ -498,7 +498,7 @@ static void device_run(void *prv)
 {
 	struct g2d_ctx *ctx = prv;
 	struct g2d_dev *dev = ctx->dev;
-	struct vb2_buffer *src, *dst;
+	struct vb2_v4l2_buffer *src, *dst;
 	unsigned long flags;
 	u32 cmd = 0;
 
@@ -513,10 +513,10 @@ static void device_run(void *prv)
 	spin_lock_irqsave(&dev->ctrl_lock, flags);
 
 	g2d_set_src_size(dev, &ctx->in);
-	g2d_set_src_addr(dev, vb2_dma_contig_plane_dma_addr(src, 0));
+	g2d_set_src_addr(dev, vb2_dma_contig_plane_dma_addr(&src->vb2_buf, 0));
 
 	g2d_set_dst_size(dev, &ctx->out);
-	g2d_set_dst_addr(dev, vb2_dma_contig_plane_dma_addr(dst, 0));
+	g2d_set_dst_addr(dev, vb2_dma_contig_plane_dma_addr(&dst->vb2_buf, 0));
 
 	g2d_set_rop4(dev, ctx->rop);
 	g2d_set_flip(dev, ctx->flip);
diff --git a/drivers/media/platform/s5p-jpeg/jpeg-core.c b/drivers/media/platform/s5p-jpeg/jpeg-core.c
index 1da2c94e1dca..c89922fb42ce 100644
--- a/drivers/media/platform/s5p-jpeg/jpeg-core.c
+++ b/drivers/media/platform/s5p-jpeg/jpeg-core.c
@@ -789,14 +789,14 @@ static void skip(struct s5p_jpeg_buffer *buf, long len);
 static void exynos4_jpeg_parse_decode_h_tbl(struct s5p_jpeg_ctx *ctx)
 {
 	struct s5p_jpeg *jpeg = ctx->jpeg;
-	struct vb2_buffer *vb = v4l2_m2m_next_src_buf(ctx->fh.m2m_ctx);
+	struct vb2_v4l2_buffer *vb = v4l2_m2m_next_src_buf(ctx->fh.m2m_ctx);
 	struct s5p_jpeg_buffer jpeg_buffer;
 	unsigned int word;
 	int c, x, components;
 
 	jpeg_buffer.size = 2; /* Ls */
 	jpeg_buffer.data =
-		(unsigned long)vb2_plane_vaddr(vb, 0) + ctx->out_q.sos + 2;
+		(unsigned long)vb2_plane_vaddr(&vb->vb2_buf, 0) + ctx->out_q.sos + 2;
 	jpeg_buffer.curr = 0;
 
 	word = 0;
@@ -826,14 +826,14 @@ static void exynos4_jpeg_parse_decode_h_tbl(struct s5p_jpeg_ctx *ctx)
 static void exynos4_jpeg_parse_huff_tbl(struct s5p_jpeg_ctx *ctx)
 {
 	struct s5p_jpeg *jpeg = ctx->jpeg;
-	struct vb2_buffer *vb = v4l2_m2m_next_src_buf(ctx->fh.m2m_ctx);
+	struct vb2_v4l2_buffer *vb = v4l2_m2m_next_src_buf(ctx->fh.m2m_ctx);
 	struct s5p_jpeg_buffer jpeg_buffer;
 	unsigned int word;
 	int c, i, n, j;
 
 	for (j = 0; j < ctx->out_q.dht.n; ++j) {
 		jpeg_buffer.size = ctx->out_q.dht.len[j];
-		jpeg_buffer.data = (unsigned long)vb2_plane_vaddr(vb, 0) +
+		jpeg_buffer.data = (unsigned long)vb2_plane_vaddr(&vb->vb2_buf, 0) +
 				   ctx->out_q.dht.marker[j];
 		jpeg_buffer.curr = 0;
 
@@ -885,13 +885,13 @@ static void exynos4_jpeg_parse_huff_tbl(struct s5p_jpeg_ctx *ctx)
 static void exynos4_jpeg_parse_decode_q_tbl(struct s5p_jpeg_ctx *ctx)
 {
 	struct s5p_jpeg *jpeg = ctx->jpeg;
-	struct vb2_buffer *vb = v4l2_m2m_next_src_buf(ctx->fh.m2m_ctx);
+	struct vb2_v4l2_buffer *vb = v4l2_m2m_next_src_buf(ctx->fh.m2m_ctx);
 	struct s5p_jpeg_buffer jpeg_buffer;
 	int c, x, components;
 
 	jpeg_buffer.size = ctx->out_q.sof_len;
 	jpeg_buffer.data =
-		(unsigned long)vb2_plane_vaddr(vb, 0) + ctx->out_q.sof;
+		(unsigned long)vb2_plane_vaddr(&vb->vb2_buf, 0) + ctx->out_q.sof;
 	jpeg_buffer.curr = 0;
 
 	skip(&jpeg_buffer, 5); /* P, Y, X */
@@ -916,14 +916,14 @@ static void exynos4_jpeg_parse_decode_q_tbl(struct s5p_jpeg_ctx *ctx)
 static void exynos4_jpeg_parse_q_tbl(struct s5p_jpeg_ctx *ctx)
 {
 	struct s5p_jpeg *jpeg = ctx->jpeg;
-	struct vb2_buffer *vb = v4l2_m2m_next_src_buf(ctx->fh.m2m_ctx);
+	struct vb2_v4l2_buffer *vb = v4l2_m2m_next_src_buf(ctx->fh.m2m_ctx);
 	struct s5p_jpeg_buffer jpeg_buffer;
 	unsigned int word;
 	int c, i, j;
 
 	for (j = 0; j < ctx->out_q.dqt.n; ++j) {
 		jpeg_buffer.size = ctx->out_q.dqt.len[j];
-		jpeg_buffer.data = (unsigned long)vb2_plane_vaddr(vb, 0) +
+		jpeg_buffer.data = (unsigned long)vb2_plane_vaddr(&vb->vb2_buf, 0) +
 				   ctx->out_q.dqt.marker[j];
 		jpeg_buffer.curr = 0;
 
@@ -1264,13 +1264,16 @@ static int s5p_jpeg_querycap(struct file *file, void *priv,
 	return 0;
 }
 
-static int enum_fmt(struct s5p_jpeg_fmt *sjpeg_formats, int n,
+static int enum_fmt(struct s5p_jpeg_ctx *ctx,
+		    struct s5p_jpeg_fmt *sjpeg_formats, int n,
 		    struct v4l2_fmtdesc *f, u32 type)
 {
 	int i, num = 0;
+	unsigned int fmt_ver_flag = ctx->jpeg->variant->fmt_ver_flag;
 
 	for (i = 0; i < n; ++i) {
-		if (sjpeg_formats[i].flags & type) {
+		if (sjpeg_formats[i].flags & type &&
+		    sjpeg_formats[i].flags & fmt_ver_flag) {
 			/* index-th format of type type found ? */
 			if (num == f->index)
 				break;
@@ -1297,11 +1300,11 @@ static int s5p_jpeg_enum_fmt_vid_cap(struct file *file, void *priv,
 	struct s5p_jpeg_ctx *ctx = fh_to_ctx(priv);
 
 	if (ctx->mode == S5P_JPEG_ENCODE)
-		return enum_fmt(sjpeg_formats, SJPEG_NUM_FORMATS, f,
+		return enum_fmt(ctx, sjpeg_formats, SJPEG_NUM_FORMATS, f,
 				SJPEG_FMT_FLAG_ENC_CAPTURE);
 
-	return enum_fmt(sjpeg_formats, SJPEG_NUM_FORMATS, f,
-					SJPEG_FMT_FLAG_DEC_CAPTURE);
+	return enum_fmt(ctx, sjpeg_formats, SJPEG_NUM_FORMATS, f,
+			SJPEG_FMT_FLAG_DEC_CAPTURE);
 }
 
 static int s5p_jpeg_enum_fmt_vid_out(struct file *file, void *priv,
@@ -1310,11 +1313,11 @@ static int s5p_jpeg_enum_fmt_vid_out(struct file *file, void *priv,
 	struct s5p_jpeg_ctx *ctx = fh_to_ctx(priv);
 
 	if (ctx->mode == S5P_JPEG_ENCODE)
-		return enum_fmt(sjpeg_formats, SJPEG_NUM_FORMATS, f,
+		return enum_fmt(ctx, sjpeg_formats, SJPEG_NUM_FORMATS, f,
 				SJPEG_FMT_FLAG_ENC_OUTPUT);
 
-	return enum_fmt(sjpeg_formats, SJPEG_NUM_FORMATS, f,
-					SJPEG_FMT_FLAG_DEC_OUTPUT);
+	return enum_fmt(ctx, sjpeg_formats, SJPEG_NUM_FORMATS, f,
+			SJPEG_FMT_FLAG_DEC_OUTPUT);
 }
 
 static struct s5p_jpeg_q_data *get_q_data(struct s5p_jpeg_ctx *ctx,
@@ -2027,15 +2030,15 @@ static void s5p_jpeg_device_run(void *priv)
 {
 	struct s5p_jpeg_ctx *ctx = priv;
 	struct s5p_jpeg *jpeg = ctx->jpeg;
-	struct vb2_buffer *src_buf, *dst_buf;
+	struct vb2_v4l2_buffer *src_buf, *dst_buf;
 	unsigned long src_addr, dst_addr, flags;
 
 	spin_lock_irqsave(&ctx->jpeg->slock, flags);
 
 	src_buf = v4l2_m2m_next_src_buf(ctx->fh.m2m_ctx);
 	dst_buf = v4l2_m2m_next_dst_buf(ctx->fh.m2m_ctx);
-	src_addr = vb2_dma_contig_plane_dma_addr(src_buf, 0);
-	dst_addr = vb2_dma_contig_plane_dma_addr(dst_buf, 0);
+	src_addr = vb2_dma_contig_plane_dma_addr(&src_buf->vb2_buf, 0);
+	dst_addr = vb2_dma_contig_plane_dma_addr(&dst_buf->vb2_buf, 0);
 
 	s5p_jpeg_reset(jpeg->regs);
 	s5p_jpeg_poweron(jpeg->regs);
@@ -2108,7 +2111,7 @@ static void exynos4_jpeg_set_img_addr(struct s5p_jpeg_ctx *ctx)
 {
 	struct s5p_jpeg *jpeg = ctx->jpeg;
 	struct s5p_jpeg_fmt *fmt;
-	struct vb2_buffer *vb;
+	struct vb2_v4l2_buffer *vb;
 	struct s5p_jpeg_addr jpeg_addr = {};
 	u32 pix_size, padding_bytes = 0;
 
@@ -2127,7 +2130,7 @@ static void exynos4_jpeg_set_img_addr(struct s5p_jpeg_ctx *ctx)
 		vb = v4l2_m2m_next_dst_buf(ctx->fh.m2m_ctx);
 	}
 
-	jpeg_addr.y = vb2_dma_contig_plane_dma_addr(vb, 0);
+	jpeg_addr.y = vb2_dma_contig_plane_dma_addr(&vb->vb2_buf, 0);
 
 	if (fmt->colplanes == 2) {
 		jpeg_addr.cb = jpeg_addr.y + pix_size - padding_bytes;
@@ -2145,7 +2148,7 @@ static void exynos4_jpeg_set_img_addr(struct s5p_jpeg_ctx *ctx)
 static void exynos4_jpeg_set_jpeg_addr(struct s5p_jpeg_ctx *ctx)
 {
 	struct s5p_jpeg *jpeg = ctx->jpeg;
-	struct vb2_buffer *vb;
+	struct vb2_v4l2_buffer *vb;
 	unsigned int jpeg_addr = 0;
 
 	if (ctx->mode == S5P_JPEG_ENCODE)
@@ -2153,7 +2156,7 @@ static void exynos4_jpeg_set_jpeg_addr(struct s5p_jpeg_ctx *ctx)
 	else
 		vb = v4l2_m2m_next_src_buf(ctx->fh.m2m_ctx);
 
-	jpeg_addr = vb2_dma_contig_plane_dma_addr(vb, 0);
+	jpeg_addr = vb2_dma_contig_plane_dma_addr(&vb->vb2_buf, 0);
 	if (jpeg->variant->version == SJPEG_EXYNOS5433 &&
 	    ctx->mode == S5P_JPEG_DECODE)
 		jpeg_addr += ctx->out_q.sos;
@@ -2268,7 +2271,7 @@ static void exynos3250_jpeg_set_img_addr(struct s5p_jpeg_ctx *ctx)
 {
 	struct s5p_jpeg *jpeg = ctx->jpeg;
 	struct s5p_jpeg_fmt *fmt;
-	struct vb2_buffer *vb;
+	struct vb2_v4l2_buffer *vb;
 	struct s5p_jpeg_addr jpeg_addr = {};
 	u32 pix_size;
 
@@ -2282,7 +2285,7 @@ static void exynos3250_jpeg_set_img_addr(struct s5p_jpeg_ctx *ctx)
 		fmt = ctx->cap_q.fmt;
 	}
 
-	jpeg_addr.y = vb2_dma_contig_plane_dma_addr(vb, 0);
+	jpeg_addr.y = vb2_dma_contig_plane_dma_addr(&vb->vb2_buf, 0);
 
 	if (fmt->colplanes == 2) {
 		jpeg_addr.cb = jpeg_addr.y + pix_size;
@@ -2300,7 +2303,7 @@ static void exynos3250_jpeg_set_img_addr(struct s5p_jpeg_ctx *ctx)
 static void exynos3250_jpeg_set_jpeg_addr(struct s5p_jpeg_ctx *ctx)
 {
 	struct s5p_jpeg *jpeg = ctx->jpeg;
-	struct vb2_buffer *vb;
+	struct vb2_v4l2_buffer *vb;
 	unsigned int jpeg_addr = 0;
 
 	if (ctx->mode == S5P_JPEG_ENCODE)
@@ -2308,7 +2311,7 @@ static void exynos3250_jpeg_set_jpeg_addr(struct s5p_jpeg_ctx *ctx)
 	else
 		vb = v4l2_m2m_next_src_buf(ctx->fh.m2m_ctx);
 
-	jpeg_addr = vb2_dma_contig_plane_dma_addr(vb, 0);
+	jpeg_addr = vb2_dma_contig_plane_dma_addr(&vb->vb2_buf, 0);
 	exynos3250_jpeg_jpgadr(jpeg->regs, jpeg_addr);
 }
 
diff --git a/drivers/media/platform/sh_veu.c b/drivers/media/platform/sh_veu.c
index 15a562af13c7..a4f593220ef0 100644
--- a/drivers/media/platform/sh_veu.c
+++ b/drivers/media/platform/sh_veu.c
@@ -276,13 +276,13 @@ static void sh_veu_process(struct sh_veu_dev *veu,
 static void sh_veu_device_run(void *priv)
 {
 	struct sh_veu_dev *veu = priv;
-	struct vb2_buffer *src_buf, *dst_buf;
+	struct vb2_v4l2_buffer *src_buf, *dst_buf;
 
 	src_buf = v4l2_m2m_next_src_buf(veu->m2m_ctx);
 	dst_buf = v4l2_m2m_next_dst_buf(veu->m2m_ctx);
 
 	if (src_buf && dst_buf)
-		sh_veu_process(veu, src_buf, dst_buf);
+		sh_veu_process(veu, &src_buf->vb2_buf, &dst_buf->vb2_buf);
 }
 
 		/* ========== video ioctls ========== */
diff --git a/drivers/mmc/host/omap.c b/drivers/mmc/host/omap.c
index a4bf14e21b5e..21dfce21aa63 100644
--- a/drivers/mmc/host/omap.c
+++ b/drivers/mmc/host/omap.c
@@ -920,7 +920,7 @@ static inline void set_cmd_timeout(struct mmc_omap_host *host, struct mmc_reques
 	reg &= ~(1 << 5);
 	OMAP_MMC_WRITE(host, SDIO, reg);
 	/* Set maximum timeout */
-	OMAP_MMC_WRITE(host, CTO, 0xff);
+	OMAP_MMC_WRITE(host, CTO, 0xfd);
 }
 
 static inline void set_data_timeout(struct mmc_omap_host *host, struct mmc_request *req)
diff --git a/drivers/net/ethernet/cisco/enic/enic_main.c b/drivers/net/ethernet/cisco/enic/enic_main.c
index 89acf7bc4cf9..b73d9ba9496c 100644
--- a/drivers/net/ethernet/cisco/enic/enic_main.c
+++ b/drivers/net/ethernet/cisco/enic/enic_main.c
@@ -120,7 +120,7 @@ static void enic_init_affinity_hint(struct enic *enic)
 
 	for (i = 0; i < enic->intr_count; i++) {
 		if (enic_is_err_intr(enic, i) || enic_is_notify_intr(enic, i) ||
-		    (enic->msix[i].affinity_mask &&
+		    (cpumask_available(enic->msix[i].affinity_mask) &&
 		     !cpumask_empty(enic->msix[i].affinity_mask)))
 			continue;
 		if (zalloc_cpumask_var(&enic->msix[i].affinity_mask,
@@ -149,7 +149,7 @@ static void enic_set_affinity_hint(struct enic *enic)
 	for (i = 0; i < enic->intr_count; i++) {
 		if (enic_is_err_intr(enic, i)		||
 		    enic_is_notify_intr(enic, i)	||
-		    !enic->msix[i].affinity_mask	||
+		    !cpumask_available(enic->msix[i].affinity_mask) ||
 		    cpumask_empty(enic->msix[i].affinity_mask))
 			continue;
 		err = irq_set_affinity_hint(enic->msix_entry[i].vector,
@@ -162,7 +162,7 @@ static void enic_set_affinity_hint(struct enic *enic)
 	for (i = 0; i < enic->wq_count; i++) {
 		int wq_intr = enic_msix_wq_intr(enic, i);
 
-		if (enic->msix[wq_intr].affinity_mask &&
+		if (cpumask_available(enic->msix[wq_intr].affinity_mask) &&
 		    !cpumask_empty(enic->msix[wq_intr].affinity_mask))
 			netif_set_xps_queue(enic->netdev,
 					    enic->msix[wq_intr].affinity_mask,
diff --git a/drivers/net/ethernet/intel/e1000e/netdev.c b/drivers/net/ethernet/intel/e1000e/netdev.c
index 6855b3380a83..8bbedfc9c48f 100644
--- a/drivers/net/ethernet/intel/e1000e/netdev.c
+++ b/drivers/net/ethernet/intel/e1000e/netdev.c
@@ -2121,7 +2121,7 @@ static int e1000_request_msix(struct e1000_adapter *adapter)
 	if (strlen(netdev->name) < (IFNAMSIZ - 5))
 		snprintf(adapter->rx_ring->name,
 			 sizeof(adapter->rx_ring->name) - 1,
-			 "%s-rx-0", netdev->name);
+			 "%.14s-rx-0", netdev->name);
 	else
 		memcpy(adapter->rx_ring->name, netdev->name, IFNAMSIZ);
 	err = request_irq(adapter->msix_entries[vector].vector,
@@ -2137,7 +2137,7 @@ static int e1000_request_msix(struct e1000_adapter *adapter)
 	if (strlen(netdev->name) < (IFNAMSIZ - 5))
 		snprintf(adapter->tx_ring->name,
 			 sizeof(adapter->tx_ring->name) - 1,
-			 "%s-tx-0", netdev->name);
+			 "%.14s-tx-0", netdev->name);
 	else
 		memcpy(adapter->tx_ring->name, netdev->name, IFNAMSIZ);
 	err = request_irq(adapter->msix_entries[vector].vector,
@@ -5291,8 +5291,13 @@ static void e1000_watchdog_task(struct work_struct *work)
 			/* 8000ES2LAN requires a Rx packet buffer work-around
 			 * on link down event; reset the controller to flush
 			 * the Rx packet buffer.
+			 *
+			 * If the link is lost the controller stops DMA, but
+			 * if there is queued Tx work it cannot be done.  So
+			 * reset the controller to flush the Tx packet buffers.
 			 */
-			if (adapter->flags & FLAG_RX_NEEDS_RESTART)
+			if ((adapter->flags & FLAG_RX_NEEDS_RESTART) ||
+			    e1000_desc_unused(tx_ring) + 1 < tx_ring->count)
 				adapter->flags |= FLAG_RESTART_NOW;
 			else
 				pm_schedule_suspend(netdev->dev.parent,
@@ -5315,14 +5320,6 @@ static void e1000_watchdog_task(struct work_struct *work)
 	adapter->gotc_old = adapter->stats.gotc;
 	spin_unlock(&adapter->stats64_lock);
 
-	/* If the link is lost the controller stops DMA, but
-	 * if there is queued Tx work it cannot be done.  So
-	 * reset the controller to flush the Tx packet buffers.
-	 */
-	if (!netif_carrier_ok(netdev) &&
-	    (e1000_desc_unused(tx_ring) + 1 < tx_ring->count))
-		adapter->flags |= FLAG_RESTART_NOW;
-
 	/* If reset is necessary, do it outside of interrupt context. */
 	if (adapter->flags & FLAG_RESTART_NOW) {
 		schedule_work(&adapter->reset_task);
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum.c
index 22a5916e477e..cc847e0cac2d 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum.c
@@ -1565,7 +1565,7 @@ static void mlxsw_sp_port_get_prio_strings(u8 **p, int prio)
 	int i;
 
 	for (i = 0; i < MLXSW_SP_PORT_HW_PRIO_STATS_LEN; i++) {
-		snprintf(*p, ETH_GSTRING_LEN, "%s_%d",
+		snprintf(*p, ETH_GSTRING_LEN, "%.29s_%.1d",
 			 mlxsw_sp_port_hw_prio_stats[i].str, prio);
 		*p += ETH_GSTRING_LEN;
 	}
@@ -1576,7 +1576,7 @@ static void mlxsw_sp_port_get_tc_strings(u8 **p, int tc)
 	int i;
 
 	for (i = 0; i < MLXSW_SP_PORT_HW_TC_STATS_LEN; i++) {
-		snprintf(*p, ETH_GSTRING_LEN, "%s_%d",
+		snprintf(*p, ETH_GSTRING_LEN, "%.29s_%.1d",
 			 mlxsw_sp_port_hw_tc_stats[i].str, tc);
 		*p += ETH_GSTRING_LEN;
 	}
diff --git a/drivers/net/wireless/ath/wil6210/cfg80211.c b/drivers/net/wireless/ath/wil6210/cfg80211.c
index d117240d9a73..b8eeaef17edc 100644
--- a/drivers/net/wireless/ath/wil6210/cfg80211.c
+++ b/drivers/net/wireless/ath/wil6210/cfg80211.c
@@ -1005,6 +1005,12 @@ static int _wil_cfg80211_merge_extra_ies(const u8 *ies1, u16 ies1_len,
 	u8 *buf, *dpos;
 	const u8 *spos;
 
+	if (!ies1)
+		ies1_len = 0;
+
+	if (!ies2)
+		ies2_len = 0;
+
 	if (ies1_len == 0 && ies2_len == 0) {
 		*merged_ies = NULL;
 		*merged_len = 0;
@@ -1014,17 +1020,19 @@ static int _wil_cfg80211_merge_extra_ies(const u8 *ies1, u16 ies1_len,
 	buf = kmalloc(ies1_len + ies2_len, GFP_KERNEL);
 	if (!buf)
 		return -ENOMEM;
-	memcpy(buf, ies1, ies1_len);
+	if (ies1)
+		memcpy(buf, ies1, ies1_len);
 	dpos = buf + ies1_len;
 	spos = ies2;
-	while (spos + 1 < ies2 + ies2_len) {
+	while (spos && (spos + 1 < ies2 + ies2_len)) {
 		/* IE tag at offset 0, length at offset 1 */
 		u16 ielen = 2 + spos[1];
 
 		if (spos + ielen > ies2 + ies2_len)
 			break;
 		if (spos[0] == WLAN_EID_VENDOR_SPECIFIC &&
-		    !_wil_cfg80211_find_ie(ies1, ies1_len, spos, ielen)) {
+		    (!ies1 || !_wil_cfg80211_find_ie(ies1, ies1_len,
+						     spos, ielen))) {
 			memcpy(dpos, spos, ielen);
 			dpos += ielen;
 		}
diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/rx.c b/drivers/net/wireless/intel/iwlwifi/pcie/rx.c
index e58a50d31d96..c21f8bd32d08 100644
--- a/drivers/net/wireless/intel/iwlwifi/pcie/rx.c
+++ b/drivers/net/wireless/intel/iwlwifi/pcie/rx.c
@@ -475,7 +475,7 @@ static void iwl_pcie_rx_allocator(struct iwl_trans *trans)
 	struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
 	struct iwl_rb_allocator *rba = &trans_pcie->rba;
 	struct list_head local_empty;
-	int pending = atomic_xchg(&rba->req_pending, 0);
+	int pending = atomic_read(&rba->req_pending);
 
 	IWL_DEBUG_RX(trans, "Pending allocation requests = %d\n", pending);
 
@@ -530,11 +530,13 @@ static void iwl_pcie_rx_allocator(struct iwl_trans *trans)
 			i++;
 		}
 
+		atomic_dec(&rba->req_pending);
 		pending--;
+
 		if (!pending) {
-			pending = atomic_xchg(&rba->req_pending, 0);
+			pending = atomic_read(&rba->req_pending);
 			IWL_DEBUG_RX(trans,
-				     "Pending allocation requests = %d\n",
+				     "Got more pending allocation requests = %d\n",
 				     pending);
 		}
 
@@ -546,12 +548,15 @@ static void iwl_pcie_rx_allocator(struct iwl_trans *trans)
 		spin_unlock(&rba->lock);
 
 		atomic_inc(&rba->req_ready);
+
 	}
 
 	spin_lock(&rba->lock);
 	/* return unused rbds to the allocator empty list */
 	list_splice_tail(&local_empty, &rba->rbd_empty);
 	spin_unlock(&rba->lock);
+
+	IWL_DEBUG_RX(trans, "%s, exit.\n", __func__);
 }
 
 /*
diff --git a/drivers/net/wireless/mediatek/mt7601u/eeprom.h b/drivers/net/wireless/mediatek/mt7601u/eeprom.h
index 662d12703b69..57b503ae63f1 100644
--- a/drivers/net/wireless/mediatek/mt7601u/eeprom.h
+++ b/drivers/net/wireless/mediatek/mt7601u/eeprom.h
@@ -17,7 +17,7 @@
 
 struct mt7601u_dev;
 
-#define MT7601U_EE_MAX_VER			0x0c
+#define MT7601U_EE_MAX_VER			0x0d
 #define MT7601U_EEPROM_SIZE			256
 
 #define MT7601U_DEFAULT_TX_POWER		6
diff --git a/drivers/net/wireless/ti/wlcore/main.c b/drivers/net/wireless/ti/wlcore/main.c
index 5438975c7ff2..17d32ce5d16b 100644
--- a/drivers/net/wireless/ti/wlcore/main.c
+++ b/drivers/net/wireless/ti/wlcore/main.c
@@ -1058,8 +1058,11 @@ static int wl12xx_chip_wakeup(struct wl1271 *wl, bool plt)
 		goto out;
 
 	ret = wl12xx_fetch_firmware(wl, plt);
-	if (ret < 0)
-		goto out;
+	if (ret < 0) {
+		kfree(wl->fw_status);
+		kfree(wl->raw_fw_status);
+		kfree(wl->tx_res_if);
+	}
 
 out:
 	return ret;
diff --git a/drivers/regulator/act8865-regulator.c b/drivers/regulator/act8865-regulator.c
index 7652477e6a9d..39e8d60df060 100644
--- a/drivers/regulator/act8865-regulator.c
+++ b/drivers/regulator/act8865-regulator.c
@@ -131,7 +131,7 @@
  * ACT8865 voltage number
  */
 #define	ACT8865_VOLTAGE_NUM	64
-#define ACT8600_SUDCDC_VOLTAGE_NUM	255
+#define ACT8600_SUDCDC_VOLTAGE_NUM	256
 
 struct act8865 {
 	struct regmap *regmap;
@@ -222,7 +222,8 @@ static const struct regulator_linear_range act8600_sudcdc_voltage_ranges[] = {
 	REGULATOR_LINEAR_RANGE(3000000, 0, 63, 0),
 	REGULATOR_LINEAR_RANGE(3000000, 64, 159, 100000),
 	REGULATOR_LINEAR_RANGE(12600000, 160, 191, 200000),
-	REGULATOR_LINEAR_RANGE(19000000, 191, 255, 400000),
+	REGULATOR_LINEAR_RANGE(19000000, 192, 247, 400000),
+	REGULATOR_LINEAR_RANGE(41400000, 248, 255, 0),
 };
 
 static struct regulator_ops act8865_ops = {
diff --git a/drivers/scsi/hisi_sas/hisi_sas_main.c b/drivers/scsi/hisi_sas/hisi_sas_main.c
index 2f872f784e10..5252dd5d3f4b 100644
--- a/drivers/scsi/hisi_sas/hisi_sas_main.c
+++ b/drivers/scsi/hisi_sas/hisi_sas_main.c
@@ -10,6 +10,7 @@
  */
 
 #include "hisi_sas.h"
+#include "../libsas/sas_internal.h"
 #define DRV_NAME "hisi_sas"
 
 #define DEV_IS_GONE(dev) \
@@ -1128,9 +1129,18 @@ static void hisi_sas_port_deformed(struct asd_sas_phy *sas_phy)
 
 static void hisi_sas_phy_disconnected(struct hisi_sas_phy *phy)
 {
+	struct asd_sas_phy *sas_phy = &phy->sas_phy;
+	struct sas_phy *sphy = sas_phy->phy;
+	struct sas_phy_data *d = sphy->hostdata;
+
 	phy->phy_attached = 0;
 	phy->phy_type = 0;
 	phy->port = NULL;
+
+	if (d->enable)
+		sphy->negotiated_linkrate = SAS_LINK_RATE_UNKNOWN;
+	else
+		sphy->negotiated_linkrate = SAS_PHY_DISABLED;
 }
 
 void hisi_sas_phy_down(struct hisi_hba *hisi_hba, int phy_no, int rdy)
diff --git a/drivers/scsi/megaraid/megaraid_sas_base.c b/drivers/scsi/megaraid/megaraid_sas_base.c
index 5de024a50e15..5b1c37e3913c 100644
--- a/drivers/scsi/megaraid/megaraid_sas_base.c
+++ b/drivers/scsi/megaraid/megaraid_sas_base.c
@@ -3956,6 +3956,7 @@ int megasas_alloc_cmds(struct megasas_instance *instance)
 	if (megasas_create_frame_pool(instance)) {
 		dev_printk(KERN_DEBUG, &instance->pdev->dev, "Error creating frame DMA pool\n");
 		megasas_free_cmds(instance);
+		return -ENOMEM;
 	}
 
 	return 0;
diff --git a/drivers/scsi/scsi_scan.c b/drivers/scsi/scsi_scan.c
index 27a6d3c6cb7c..67f6f134abc4 100644
--- a/drivers/scsi/scsi_scan.c
+++ b/drivers/scsi/scsi_scan.c
@@ -219,7 +219,7 @@ static struct scsi_device *scsi_alloc_sdev(struct scsi_target *starget,
 	struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);
 
 	sdev = kzalloc(sizeof(*sdev) + shost->transportt->device_size,
-		       GFP_ATOMIC);
+		       GFP_KERNEL);
 	if (!sdev)
 		goto out;
 
@@ -796,7 +796,7 @@ static int scsi_add_lun(struct scsi_device *sdev, unsigned char *inq_result,
 	 */
 	sdev->inquiry = kmemdup(inq_result,
 				max_t(size_t, sdev->inquiry_len, 36),
-				GFP_ATOMIC);
+				GFP_KERNEL);
 	if (sdev->inquiry == NULL)
 		return SCSI_SCAN_NO_RESPONSE;
 
@@ -1095,7 +1095,7 @@ static int scsi_probe_and_add_lun(struct scsi_target *starget,
 	if (!sdev)
 		goto out;
 
-	result = kmalloc(result_len, GFP_ATOMIC |
+	result = kmalloc(result_len, GFP_KERNEL |
 			((shost->unchecked_isa_dma) ? __GFP_DMA : 0));
 	if (!result)
 		goto out_free_sdev;
diff --git a/drivers/soc/qcom/qcom_gsbi.c b/drivers/soc/qcom/qcom_gsbi.c
index 09c669e70d63..038abc377fdb 100644
--- a/drivers/soc/qcom/qcom_gsbi.c
+++ b/drivers/soc/qcom/qcom_gsbi.c
@@ -138,7 +138,7 @@ static int gsbi_probe(struct platform_device *pdev)
 	struct resource *res;
 	void __iomem *base;
 	struct gsbi_info *gsbi;
-	int i;
+	int i, ret;
 	u32 mask, gsbi_num;
 	const struct crci_config *config = NULL;
 
@@ -221,7 +221,10 @@ static int gsbi_probe(struct platform_device *pdev)
 
 	platform_set_drvdata(pdev, gsbi);
 
-	return of_platform_populate(node, NULL, NULL, &pdev->dev);
+	ret = of_platform_populate(node, NULL, NULL, &pdev->dev);
+	if (ret)
+		clk_disable_unprepare(gsbi->hclk);
+	return ret;
 }
 
 static int gsbi_remove(struct platform_device *pdev)
diff --git a/drivers/soc/tegra/fuse/fuse-tegra.c b/drivers/soc/tegra/fuse/fuse-tegra.c
index de2c1bfe28b5..c4f5e5bbb8dc 100644
--- a/drivers/soc/tegra/fuse/fuse-tegra.c
+++ b/drivers/soc/tegra/fuse/fuse-tegra.c
@@ -131,13 +131,17 @@ static int tegra_fuse_probe(struct platform_device *pdev)
 	/* take over the memory region from the early initialization */
 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 	fuse->base = devm_ioremap_resource(&pdev->dev, res);
-	if (IS_ERR(fuse->base))
-		return PTR_ERR(fuse->base);
+	if (IS_ERR(fuse->base)) {
+		err = PTR_ERR(fuse->base);
+		fuse->base = base;
+		return err;
+	}
 
 	fuse->clk = devm_clk_get(&pdev->dev, "fuse");
 	if (IS_ERR(fuse->clk)) {
 		dev_err(&pdev->dev, "failed to get FUSE clock: %ld",
 			PTR_ERR(fuse->clk));
+		fuse->base = base;
 		return PTR_ERR(fuse->clk);
 	}
 
@@ -146,8 +150,10 @@ static int tegra_fuse_probe(struct platform_device *pdev)
 
 	if (fuse->soc->probe) {
 		err = fuse->soc->probe(fuse);
-		if (err < 0)
+		if (err < 0) {
+			fuse->base = base;
 			return err;
+		}
 	}
 
 	if (tegra_fuse_create_sysfs(&pdev->dev, fuse->soc->info->size,
diff --git a/drivers/tty/serial/atmel_serial.c b/drivers/tty/serial/atmel_serial.c
index d8e1945cb627..ef688aadb032 100644
--- a/drivers/tty/serial/atmel_serial.c
+++ b/drivers/tty/serial/atmel_serial.c
@@ -175,6 +175,8 @@ struct atmel_uart_port {
 	unsigned int		pending_status;
 	spinlock_t		lock_suspended;
 
+	bool			hd_start_rx;	/* can start RX during half-duplex operation */
+
 	int (*prepare_rx)(struct uart_port *port);
 	int (*prepare_tx)(struct uart_port *port);
 	void (*schedule_rx)(struct uart_port *port);
@@ -241,6 +243,12 @@ static inline void atmel_uart_write_char(struct uart_port *port, u8 value)
 
 #endif
 
+static inline int atmel_uart_is_half_duplex(struct uart_port *port)
+{
+	return (port->rs485.flags & SER_RS485_ENABLED) &&
+		!(port->rs485.flags & SER_RS485_RX_DURING_TX);
+}
+
 #ifdef CONFIG_SERIAL_ATMEL_PDC
 static bool atmel_use_pdc_rx(struct uart_port *port)
 {
@@ -492,9 +500,9 @@ static void atmel_stop_tx(struct uart_port *port)
 	/* Disable interrupts */
 	atmel_uart_writel(port, ATMEL_US_IDR, atmel_port->tx_done_mask);
 
-	if ((port->rs485.flags & SER_RS485_ENABLED) &&
-	    !(port->rs485.flags & SER_RS485_RX_DURING_TX))
+	if (atmel_uart_is_half_duplex(port))
 		atmel_start_rx(port);
+
 }
 
 /*
@@ -511,8 +519,7 @@ static void atmel_start_tx(struct uart_port *port)
 		return;
 
 	if (atmel_use_pdc_tx(port) || atmel_use_dma_tx(port))
-		if ((port->rs485.flags & SER_RS485_ENABLED) &&
-		    !(port->rs485.flags & SER_RS485_RX_DURING_TX))
+		if (atmel_uart_is_half_duplex(port))
 			atmel_stop_rx(port);
 
 	if (atmel_use_pdc_tx(port))
@@ -809,10 +816,14 @@ static void atmel_complete_tx_dma(void *arg)
 	 */
 	if (!uart_circ_empty(xmit))
 		atmel_tasklet_schedule(atmel_port, &atmel_port->tasklet_tx);
-	else if ((port->rs485.flags & SER_RS485_ENABLED) &&
-		 !(port->rs485.flags & SER_RS485_RX_DURING_TX)) {
-		/* DMA done, stop TX, start RX for RS485 */
-		atmel_start_rx(port);
+	else if (atmel_uart_is_half_duplex(port)) {
+		/*
+		 * DMA done, re-enable TXEMPTY and signal that we can stop
+		 * TX and start RX for RS485
+		 */
+		atmel_port->hd_start_rx = true;
+		atmel_uart_writel(port, ATMEL_US_IER,
+				  atmel_port->tx_done_mask);
 	}
 
 	spin_unlock_irqrestore(&port->lock, flags);
@@ -1257,9 +1268,20 @@ atmel_handle_transmit(struct uart_port *port, unsigned int pending)
 	struct atmel_uart_port *atmel_port = to_atmel_uart_port(port);
 
 	if (pending & atmel_port->tx_done_mask) {
-		/* Either PDC or interrupt transmission */
 		atmel_uart_writel(port, ATMEL_US_IDR,
 				  atmel_port->tx_done_mask);
+
+		/* Start RX if flag was set and FIFO is empty */
+		if (atmel_port->hd_start_rx) {
+			if (!(atmel_uart_readl(port, ATMEL_US_CSR)
+					& ATMEL_US_TXEMPTY))
+				dev_warn(port->dev, "Should start RX, but TX fifo is not empty\n");
+
+			atmel_port->hd_start_rx = false;
+			atmel_start_rx(port);
+			return;
+		}
+
 		atmel_tasklet_schedule(atmel_port, &atmel_port->tasklet_tx);
 	}
 }
@@ -1386,8 +1408,7 @@ static void atmel_tx_pdc(struct uart_port *port)
 		atmel_uart_writel(port, ATMEL_US_IER,
 				  atmel_port->tx_done_mask);
 	} else {
-		if ((port->rs485.flags & SER_RS485_ENABLED) &&
-		    !(port->rs485.flags & SER_RS485_RX_DURING_TX)) {
+		if (atmel_uart_is_half_duplex(port)) {
 			/* DMA done, stop TX, start RX for RS485 */
 			atmel_start_rx(port);
 		}
diff --git a/drivers/tty/tty_buffer.c b/drivers/tty/tty_buffer.c
index 41b9a7ccce08..ca9c82ee6c35 100644
--- a/drivers/tty/tty_buffer.c
+++ b/drivers/tty/tty_buffer.c
@@ -25,7 +25,7 @@
  * Byte threshold to limit memory consumption for flip buffers.
  * The actual memory limit is > 2x this amount.
  */
-#define TTYB_DEFAULT_MEM_LIMIT	65536
+#define TTYB_DEFAULT_MEM_LIMIT	(640 * 1024UL)
 
 /*
  * We default to dicing tty buffer allocations to this many characters
diff --git a/drivers/usb/chipidea/core.c b/drivers/usb/chipidea/core.c
index 64c6af2c8559..e96e3a5808b3 100644
--- a/drivers/usb/chipidea/core.c
+++ b/drivers/usb/chipidea/core.c
@@ -901,8 +901,15 @@ static int ci_hdrc_probe(struct platform_device *pdev)
 	} else if (ci->platdata->usb_phy) {
 		ci->usb_phy = ci->platdata->usb_phy;
 	} else {
+		ci->usb_phy = devm_usb_get_phy_by_phandle(dev->parent, "phys",
+							  0);
 		ci->phy = devm_phy_get(dev->parent, "usb-phy");
-		ci->usb_phy = devm_usb_get_phy(dev->parent, USB_PHY_TYPE_USB2);
+
+		/* Fallback to grabbing any registered USB2 PHY */
+		if (IS_ERR(ci->usb_phy) &&
+		    PTR_ERR(ci->usb_phy) != -EPROBE_DEFER)
+			ci->usb_phy = devm_usb_get_phy(dev->parent,
+						       USB_PHY_TYPE_USB2);
 
 		/* if both generic PHY and USB PHY layers aren't enabled */
 		if (PTR_ERR(ci->phy) == -ENOSYS &&
diff --git a/drivers/usb/gadget/function/f_fs.c b/drivers/usb/gadget/function/f_fs.c
index 04eb64381d92..927ac0ee09b7 100644
--- a/drivers/usb/gadget/function/f_fs.c
+++ b/drivers/usb/gadget/function/f_fs.c
@@ -1008,6 +1008,7 @@ static ssize_t ffs_epfile_io(struct file *file, struct ffs_io_data *io_data)
 			 * condition with req->complete callback.
 			 */
 			usb_ep_dequeue(ep->ep, req);
+			wait_for_completion(&done);
 			interrupted = ep->status < 0;
 		}
 
diff --git a/drivers/video/fbdev/core/fbmem.c b/drivers/video/fbdev/core/fbmem.c
index a1d93151c059..c928190666ac 100644
--- a/drivers/video/fbdev/core/fbmem.c
+++ b/drivers/video/fbdev/core/fbmem.c
@@ -425,6 +425,9 @@ static void fb_do_show_logo(struct fb_info *info, struct fb_image *image,
 {
 	unsigned int x;
 
+	if (image->width > info->var.xres || image->height > info->var.yres)
+		return;
+
 	if (rotate == FB_ROTATE_UR) {
 		for (x = 0;
 		     x < num && image->dx + image->width <= info->var.xres;
diff --git a/fs/buffer.c b/fs/buffer.c
index e0d46d47e358..a89be9741d12 100644
--- a/fs/buffer.c
+++ b/fs/buffer.c
@@ -3041,6 +3041,13 @@ void guard_bio_eod(int op, struct bio *bio)
 	/* Uhhuh. We've got a bio that straddles the device size! */
 	truncated_bytes = bio->bi_iter.bi_size - (maxsector << 9);
 
+	/*
+	 * The bio contains more than one segment which spans EOD, just return
+	 * and let IO layer turn it into an EIO
+	 */
+	if (truncated_bytes > bvec->bv_len)
+		return;
+
 	/* Truncate the bio.. */
 	bio->bi_iter.bi_size -= truncated_bytes;
 	bvec->bv_len -= truncated_bytes;
diff --git a/fs/cifs/cifs_dfs_ref.c b/fs/cifs/cifs_dfs_ref.c
index 9156be545b0f..4660208132a2 100644
--- a/fs/cifs/cifs_dfs_ref.c
+++ b/fs/cifs/cifs_dfs_ref.c
@@ -271,9 +271,9 @@ static void dump_referral(const struct dfs_info3_param *ref)
 {
 	cifs_dbg(FYI, "DFS: ref path: %s\n", ref->path_name);
 	cifs_dbg(FYI, "DFS: node path: %s\n", ref->node_name);
-	cifs_dbg(FYI, "DFS: fl: %hd, srv_type: %hd\n",
+	cifs_dbg(FYI, "DFS: fl: %d, srv_type: %d\n",
 		 ref->flags, ref->server_type);
-	cifs_dbg(FYI, "DFS: ref_flags: %hd, path_consumed: %hd\n",
+	cifs_dbg(FYI, "DFS: ref_flags: %d, path_consumed: %d\n",
 		 ref->ref_flag, ref->path_consumed);
 }
 
diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
index 33e65b71c49a..f291ed0c155d 100644
--- a/fs/cifs/connect.c
+++ b/fs/cifs/connect.c
@@ -1201,6 +1201,11 @@ cifs_parse_devname(const char *devname, struct smb_vol *vol)
 	const char *delims = "/\\";
 	size_t len;
 
+	if (unlikely(!devname || !*devname)) {
+		cifs_dbg(VFS, "Device name not specified.\n");
+		return -EINVAL;
+	}
+
 	/* make sure we have a valid UNC double delimiter prefix */
 	len = strspn(devname, delims);
 	if (len != 2)
diff --git a/fs/cifs/file.c b/fs/cifs/file.c
index 1c5099fffaec..7d295bf283ca 100644
--- a/fs/cifs/file.c
+++ b/fs/cifs/file.c
@@ -1627,8 +1627,20 @@ cifs_setlk(struct file *file, struct file_lock *flock, __u32 type,
 		rc = server->ops->mand_unlock_range(cfile, flock, xid);
 
 out:
-	if (flock->fl_flags & FL_POSIX && !rc)
+	if (flock->fl_flags & FL_POSIX) {
+		/*
+		 * If this is a request to remove all locks because we
+		 * are closing the file, it doesn't matter if the
+		 * unlocking failed as both cifs.ko and the SMB server
+		 * remove the lock on file close
+		 */
+		if (rc) {
+			cifs_dbg(VFS, "%s failed rc=%d\n", __func__, rc);
+			if (!(flock->fl_flags & FL_CLOSE))
+				return rc;
+		}
 		rc = locks_lock_file_wait(file, flock);
+	}
 	return rc;
 }
 
diff --git a/fs/cifs/smb1ops.c b/fs/cifs/smb1ops.c
index efd72e1fae74..f7a9adab0b84 100644
--- a/fs/cifs/smb1ops.c
+++ b/fs/cifs/smb1ops.c
@@ -305,7 +305,7 @@ coalesce_t2(char *second_buf, struct smb_hdr *target_hdr)
 	remaining = tgt_total_cnt - total_in_tgt;
 
 	if (remaining < 0) {
-		cifs_dbg(FYI, "Server sent too much data. tgt_total_cnt=%hu total_in_tgt=%hu\n",
+		cifs_dbg(FYI, "Server sent too much data. tgt_total_cnt=%hu total_in_tgt=%u\n",
 			 tgt_total_cnt, total_in_tgt);
 		return -EPROTO;
 	}
diff --git a/fs/ext4/indirect.c b/fs/ext4/indirect.c
index 14007e621d2a..d2844fe9040d 100644
--- a/fs/ext4/indirect.c
+++ b/fs/ext4/indirect.c
@@ -1217,6 +1217,7 @@ int ext4_ind_remove_space(handle_t *handle, struct inode *inode,
 	ext4_lblk_t offsets[4], offsets2[4];
 	Indirect chain[4], chain2[4];
 	Indirect *partial, *partial2;
+	Indirect *p = NULL, *p2 = NULL;
 	ext4_lblk_t max_block;
 	__le32 nr = 0, nr2 = 0;
 	int n = 0, n2 = 0;
@@ -1258,7 +1259,7 @@ int ext4_ind_remove_space(handle_t *handle, struct inode *inode,
 		}
 
 
-		partial = ext4_find_shared(inode, n, offsets, chain, &nr);
+		partial = p = ext4_find_shared(inode, n, offsets, chain, &nr);
 		if (nr) {
 			if (partial == chain) {
 				/* Shared branch grows from the inode */
@@ -1283,13 +1284,11 @@ int ext4_ind_remove_space(handle_t *handle, struct inode *inode,
 				partial->p + 1,
 				(__le32 *)partial->bh->b_data+addr_per_block,
 				(chain+n-1) - partial);
-			BUFFER_TRACE(partial->bh, "call brelse");
-			brelse(partial->bh);
 			partial--;
 		}
 
 end_range:
-		partial2 = ext4_find_shared(inode, n2, offsets2, chain2, &nr2);
+		partial2 = p2 = ext4_find_shared(inode, n2, offsets2, chain2, &nr2);
 		if (nr2) {
 			if (partial2 == chain2) {
 				/*
@@ -1319,16 +1318,14 @@ int ext4_ind_remove_space(handle_t *handle, struct inode *inode,
 					   (__le32 *)partial2->bh->b_data,
 					   partial2->p,
 					   (chain2+n2-1) - partial2);
-			BUFFER_TRACE(partial2->bh, "call brelse");
-			brelse(partial2->bh);
 			partial2--;
 		}
 		goto do_indirects;
 	}
 
 	/* Punch happened within the same level (n == n2) */
-	partial = ext4_find_shared(inode, n, offsets, chain, &nr);
-	partial2 = ext4_find_shared(inode, n2, offsets2, chain2, &nr2);
+	partial = p = ext4_find_shared(inode, n, offsets, chain, &nr);
+	partial2 = p2 = ext4_find_shared(inode, n2, offsets2, chain2, &nr2);
 
 	/* Free top, but only if partial2 isn't its subtree. */
 	if (nr) {
@@ -1385,15 +1382,7 @@ int ext4_ind_remove_space(handle_t *handle, struct inode *inode,
 					   partial->p + 1,
 					   partial2->p,
 					   (chain+n-1) - partial);
-			while (partial > chain) {
-				BUFFER_TRACE(partial->bh, "call brelse");
-				brelse(partial->bh);
-			}
-			while (partial2 > chain2) {
-				BUFFER_TRACE(partial2->bh, "call brelse");
-				brelse(partial2->bh);
-			}
-			return 0;
+			goto cleanup;
 		}
 
 		/*
@@ -1408,8 +1397,6 @@ int ext4_ind_remove_space(handle_t *handle, struct inode *inode,
 					   partial->p + 1,
 					   (__le32 *)partial->bh->b_data+addr_per_block,
 					   (chain+n-1) - partial);
-			BUFFER_TRACE(partial->bh, "call brelse");
-			brelse(partial->bh);
 			partial--;
 		}
 		if (partial2 > chain2 && depth2 <= depth) {
@@ -1417,11 +1404,21 @@ int ext4_ind_remove_space(handle_t *handle, struct inode *inode,
 					   (__le32 *)partial2->bh->b_data,
 					   partial2->p,
 					   (chain2+n2-1) - partial2);
-			BUFFER_TRACE(partial2->bh, "call brelse");
-			brelse(partial2->bh);
 			partial2--;
 		}
 	}
+
+cleanup:
+	while (p && p > chain) {
+		BUFFER_TRACE(p->bh, "call brelse");
+		brelse(p->bh);
+		p--;
+	}
+	while (p2 && p2 > chain2) {
+		BUFFER_TRACE(p2->bh, "call brelse");
+		brelse(p2->bh);
+		p2--;
+	}
 	return 0;
 
 do_indirects:
@@ -1429,7 +1426,7 @@ int ext4_ind_remove_space(handle_t *handle, struct inode *inode,
 	switch (offsets[0]) {
 	default:
 		if (++n >= n2)
-			return 0;
+			break;
 		nr = i_data[EXT4_IND_BLOCK];
 		if (nr) {
 			ext4_free_branches(handle, inode, NULL, &nr, &nr+1, 1);
@@ -1437,7 +1434,7 @@ int ext4_ind_remove_space(handle_t *handle, struct inode *inode,
 		}
 	case EXT4_IND_BLOCK:
 		if (++n >= n2)
-			return 0;
+			break;
 		nr = i_data[EXT4_DIND_BLOCK];
 		if (nr) {
 			ext4_free_branches(handle, inode, NULL, &nr, &nr+1, 2);
@@ -1445,7 +1442,7 @@ int ext4_ind_remove_space(handle_t *handle, struct inode *inode,
 		}
 	case EXT4_DIND_BLOCK:
 		if (++n >= n2)
-			return 0;
+			break;
 		nr = i_data[EXT4_TIND_BLOCK];
 		if (nr) {
 			ext4_free_branches(handle, inode, NULL, &nr, &nr+1, 3);
@@ -1454,5 +1451,5 @@ int ext4_ind_remove_space(handle_t *handle, struct inode *inode,
 	case EXT4_TIND_BLOCK:
 		;
 	}
-	return 0;
+	goto cleanup;
 }
diff --git a/fs/f2fs/trace.c b/fs/f2fs/trace.c
index 73b4e1d1912a..501c283761d2 100644
--- a/fs/f2fs/trace.c
+++ b/fs/f2fs/trace.c
@@ -61,6 +61,7 @@ void f2fs_trace_pid(struct page *page)
 
 	page->private = pid;
 
+retry:
 	if (radix_tree_preload(GFP_NOFS))
 		return;
 
@@ -71,7 +72,12 @@ void f2fs_trace_pid(struct page *page)
 	if (p)
 		radix_tree_delete(&pids, pid);
 
-	f2fs_radix_tree_insert(&pids, pid, current);
+	if (radix_tree_insert(&pids, pid, current)) {
+		spin_unlock(&pids_lock);
+		radix_tree_preload_end();
+		cond_resched();
+		goto retry;
+	}
 
 	trace_printk("%3x:%3x %4x %-16s\n",
 			MAJOR(inode->i_sb->s_dev), MINOR(inode->i_sb->s_dev),
diff --git a/fs/file.c b/fs/file.c
index 69d6990e3021..09aac4d4729b 100644
--- a/fs/file.c
+++ b/fs/file.c
@@ -475,6 +475,7 @@ struct files_struct init_files = {
 		.full_fds_bits	= init_files.full_fds_bits_init,
 	},
 	.file_lock	= __SPIN_LOCK_UNLOCKED(init_files.file_lock),
+	.resize_wait	= __WAIT_QUEUE_HEAD_INITIALIZER(init_files.resize_wait),
 };
 
 static unsigned int find_next_fd(struct fdtable *fdt, unsigned int start)
diff --git a/fs/jbd2/commit.c b/fs/jbd2/commit.c
index 31f8ca046639..10ec27676191 100644
--- a/fs/jbd2/commit.c
+++ b/fs/jbd2/commit.c
@@ -700,9 +700,11 @@ void jbd2_journal_commit_transaction(journal_t *journal)
                            the last tag we set up. */
 
 			tag->t_flags |= cpu_to_be16(JBD2_FLAG_LAST_TAG);
-
-			jbd2_descriptor_block_csum_set(journal, descriptor);
 start_journal_io:
+			if (descriptor)
+				jbd2_descriptor_block_csum_set(journal,
+							descriptor);
+
 			for (i = 0; i < bufs; i++) {
 				struct buffer_head *bh = wbuf[i];
 				/*
diff --git a/fs/ocfs2/cluster/nodemanager.c b/fs/ocfs2/cluster/nodemanager.c
index c204ac9b49e5..81a0d5d82757 100644
--- a/fs/ocfs2/cluster/nodemanager.c
+++ b/fs/ocfs2/cluster/nodemanager.c
@@ -621,13 +621,15 @@ static void o2nm_node_group_drop_item(struct config_group *group,
 	struct o2nm_node *node = to_o2nm_node(item);
 	struct o2nm_cluster *cluster = to_o2nm_cluster(group->cg_item.ci_parent);
 
-	o2net_disconnect_node(node);
+	if (cluster->cl_nodes[node->nd_num] == node) {
+		o2net_disconnect_node(node);
 
-	if (cluster->cl_has_local &&
-	    (cluster->cl_local_node == node->nd_num)) {
-		cluster->cl_has_local = 0;
-		cluster->cl_local_node = O2NM_INVALID_NODE_NUM;
-		o2net_stop_listening(node);
+		if (cluster->cl_has_local &&
+		    (cluster->cl_local_node == node->nd_num)) {
+			cluster->cl_has_local = 0;
+			cluster->cl_local_node = O2NM_INVALID_NODE_NUM;
+			o2net_stop_listening(node);
+		}
 	}
 
 	/* XXX call into net to stop this node from trading messages */
diff --git a/fs/read_write.c b/fs/read_write.c
index 9819f7c6c8c5..6ab67b860159 100644
--- a/fs/read_write.c
+++ b/fs/read_write.c
@@ -1204,6 +1204,9 @@ COMPAT_SYSCALL_DEFINE5(preadv64v2, unsigned long, fd,
 		const struct compat_iovec __user *,vec,
 		unsigned long, vlen, loff_t, pos, int, flags)
 {
+	if (pos == -1)
+		return do_compat_readv(fd, vec, vlen, flags);
+
 	return do_compat_preadv64(fd, vec, vlen, pos, flags);
 }
 #endif
@@ -1310,6 +1313,9 @@ COMPAT_SYSCALL_DEFINE5(pwritev64v2, unsigned long, fd,
 		const struct compat_iovec __user *,vec,
 		unsigned long, vlen, loff_t, pos, int, flags)
 {
+	if (pos == -1)
+		return do_compat_writev(fd, vec, vlen, flags);
+
 	return do_compat_pwritev64(fd, vec, vlen, pos, flags);
 }
 #endif
diff --git a/include/linux/irqdesc.h b/include/linux/irqdesc.h
index c9be57931b58..bb5547a83daf 100644
--- a/include/linux/irqdesc.h
+++ b/include/linux/irqdesc.h
@@ -61,6 +61,7 @@ struct irq_desc {
 	unsigned int		core_internal_state__do_not_mess_with_it;
 	unsigned int		depth;		/* nested irq disables */
 	unsigned int		wake_depth;	/* nested wake enables */
+	unsigned int		tot_count;
 	unsigned int		irq_count;	/* For detecting broken IRQs */
 	unsigned long		last_unhandled;	/* Aging timer for unhandled count */
 	unsigned int		irqs_unhandled;
diff --git a/include/linux/relay.h b/include/linux/relay.h
index 68c1448e56bb..2560f8706408 100644
--- a/include/linux/relay.h
+++ b/include/linux/relay.h
@@ -65,7 +65,7 @@ struct rchan
 	struct kref kref;		/* channel refcount */
 	void *private_data;		/* for user-defined data */
 	size_t last_toobig;		/* tried to log event > subbuf size */
-	struct rchan_buf ** __percpu buf; /* per-cpu channel buffers */
+	struct rchan_buf * __percpu *buf; /* per-cpu channel buffers */
 	int is_global;			/* One global buffer ? */
 	struct list_head list;		/* for channel list */
 	struct dentry *parent;		/* parent dentry passed to open */
diff --git a/include/linux/ring_buffer.h b/include/linux/ring_buffer.h
index 19d0778ec382..121c8f99ecdd 100644
--- a/include/linux/ring_buffer.h
+++ b/include/linux/ring_buffer.h
@@ -125,7 +125,7 @@ ring_buffer_consume(struct ring_buffer *buffer, int cpu, u64 *ts,
 		    unsigned long *lost_events);
 
 struct ring_buffer_iter *
-ring_buffer_read_prepare(struct ring_buffer *buffer, int cpu);
+ring_buffer_read_prepare(struct ring_buffer *buffer, int cpu, gfp_t flags);
 void ring_buffer_read_prepare_sync(void);
 void ring_buffer_read_start(struct ring_buffer_iter *iter);
 void ring_buffer_read_finish(struct ring_buffer_iter *iter);
diff --git a/include/net/netfilter/br_netfilter.h b/include/net/netfilter/br_netfilter.h
index 0b0c35c37125..238d1b83a45a 100644
--- a/include/net/netfilter/br_netfilter.h
+++ b/include/net/netfilter/br_netfilter.h
@@ -48,7 +48,6 @@ static inline struct rtable *bridge_parent_rtable(const struct net_device *dev)
 }
 
 struct net_device *setup_pre_routing(struct sk_buff *skb);
-void br_netfilter_enable(void);
 
 #if IS_ENABLED(CONFIG_IPV6)
 int br_validate_ipv6(struct net *net, struct sk_buff *skb);
diff --git a/kernel/irq/chip.c b/kernel/irq/chip.c
index f30110e1b8c9..9e745cc0726d 100644
--- a/kernel/irq/chip.c
+++ b/kernel/irq/chip.c
@@ -729,7 +729,11 @@ void handle_percpu_irq(struct irq_desc *desc)
 {
 	struct irq_chip *chip = irq_desc_get_chip(desc);
 
-	kstat_incr_irqs_this_cpu(desc);
+	/*
+	 * PER CPU interrupts are not serialized. Do not touch
+	 * desc->tot_count.
+	 */
+	__kstat_incr_irqs_this_cpu(desc);
 
 	if (chip->irq_ack)
 		chip->irq_ack(&desc->irq_data);
@@ -758,7 +762,11 @@ void handle_percpu_devid_irq(struct irq_desc *desc)
 	unsigned int irq = irq_desc_get_irq(desc);
 	irqreturn_t res;
 
-	kstat_incr_irqs_this_cpu(desc);
+	/*
+	 * PER CPU interrupts are not serialized. Do not touch
+	 * desc->tot_count.
+	 */
+	__kstat_incr_irqs_this_cpu(desc);
 
 	if (chip->irq_ack)
 		chip->irq_ack(&desc->irq_data);
diff --git a/kernel/irq/internals.h b/kernel/irq/internals.h
index bc226e783bd2..22e3f29a30d8 100644
--- a/kernel/irq/internals.h
+++ b/kernel/irq/internals.h
@@ -199,12 +199,18 @@ static inline bool irqd_has_set(struct irq_data *d, unsigned int mask)
 
 #undef __irqd_to_state
 
-static inline void kstat_incr_irqs_this_cpu(struct irq_desc *desc)
+static inline void __kstat_incr_irqs_this_cpu(struct irq_desc *desc)
 {
 	__this_cpu_inc(*desc->kstat_irqs);
 	__this_cpu_inc(kstat.irqs_sum);
 }
 
+static inline void kstat_incr_irqs_this_cpu(struct irq_desc *desc)
+{
+	__kstat_incr_irqs_this_cpu(desc);
+	desc->tot_count++;
+}
+
 static inline int irq_desc_get_node(struct irq_desc *desc)
 {
 	return irq_common_data_get_node(&desc->irq_common_data);
diff --git a/kernel/irq/irqdesc.c b/kernel/irq/irqdesc.c
index 77977f55dff7..5e0ea17d01a6 100644
--- a/kernel/irq/irqdesc.c
+++ b/kernel/irq/irqdesc.c
@@ -109,6 +109,7 @@ static void desc_set_defaults(unsigned int irq, struct irq_desc *desc, int node,
 	desc->depth = 1;
 	desc->irq_count = 0;
 	desc->irqs_unhandled = 0;
+	desc->tot_count = 0;
 	desc->name = NULL;
 	desc->owner = owner;
 	for_each_possible_cpu(cpu)
@@ -880,11 +881,15 @@ unsigned int kstat_irqs_cpu(unsigned int irq, int cpu)
 unsigned int kstat_irqs(unsigned int irq)
 {
 	struct irq_desc *desc = irq_to_desc(irq);
-	int cpu;
 	unsigned int sum = 0;
+	int cpu;
 
 	if (!desc || !desc->kstat_irqs)
 		return 0;
+	if (!irq_settings_is_per_cpu_devid(desc) &&
+	    !irq_settings_is_per_cpu(desc))
+	    return desc->tot_count;
+
 	for_each_possible_cpu(cpu)
 		sum += *per_cpu_ptr(desc->kstat_irqs, cpu);
 	return sum;
diff --git a/kernel/sysctl.c b/kernel/sysctl.c
index efd340a510a9..5515d578095b 100644
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -125,6 +125,7 @@ static int __maybe_unused one = 1;
 static int __maybe_unused two = 2;
 static int __maybe_unused four = 4;
 static unsigned long one_ul = 1;
+static unsigned long long_max = LONG_MAX;
 static int one_hundred = 100;
 static int one_thousand = 1000;
 #ifdef CONFIG_PRINTK
@@ -1682,6 +1683,8 @@ static struct ctl_table fs_table[] = {
 		.maxlen		= sizeof(files_stat.max_files),
 		.mode		= 0644,
 		.proc_handler	= proc_doulongvec_minmax,
+		.extra1		= &zero,
+		.extra2		= &long_max,
 	},
 	{
 		.procname	= "nr_open",
diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c
index f316e90ad538..5473dcaaca8d 100644
--- a/kernel/trace/ring_buffer.c
+++ b/kernel/trace/ring_buffer.c
@@ -4037,6 +4037,7 @@ EXPORT_SYMBOL_GPL(ring_buffer_consume);
  * ring_buffer_read_prepare - Prepare for a non consuming read of the buffer
  * @buffer: The ring buffer to read from
  * @cpu: The cpu buffer to iterate over
+ * @flags: gfp flags to use for memory allocation
  *
  * This performs the initial preparations necessary to iterate
  * through the buffer.  Memory is allocated, buffer recording
@@ -4054,7 +4055,7 @@ EXPORT_SYMBOL_GPL(ring_buffer_consume);
  * This overall must be paired with ring_buffer_read_finish.
  */
 struct ring_buffer_iter *
-ring_buffer_read_prepare(struct ring_buffer *buffer, int cpu)
+ring_buffer_read_prepare(struct ring_buffer *buffer, int cpu, gfp_t flags)
 {
 	struct ring_buffer_per_cpu *cpu_buffer;
 	struct ring_buffer_iter *iter;
@@ -4062,7 +4063,7 @@ ring_buffer_read_prepare(struct ring_buffer *buffer, int cpu)
 	if (!cpumask_test_cpu(cpu, buffer->cpumask))
 		return NULL;
 
-	iter = kmalloc(sizeof(*iter), GFP_KERNEL);
+	iter = kmalloc(sizeof(*iter), flags);
 	if (!iter)
 		return NULL;
 
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index f18dedf9195e..d4773939c054 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -3449,7 +3449,8 @@ __tracing_open(struct inode *inode, struct file *file, bool snapshot)
 	if (iter->cpu_file == RING_BUFFER_ALL_CPUS) {
 		for_each_tracing_cpu(cpu) {
 			iter->buffer_iter[cpu] =
-				ring_buffer_read_prepare(iter->trace_buffer->buffer, cpu);
+				ring_buffer_read_prepare(iter->trace_buffer->buffer,
+							 cpu, GFP_KERNEL);
 		}
 		ring_buffer_read_prepare_sync();
 		for_each_tracing_cpu(cpu) {
@@ -3459,7 +3460,8 @@ __tracing_open(struct inode *inode, struct file *file, bool snapshot)
 	} else {
 		cpu = iter->cpu_file;
 		iter->buffer_iter[cpu] =
-			ring_buffer_read_prepare(iter->trace_buffer->buffer, cpu);
+			ring_buffer_read_prepare(iter->trace_buffer->buffer,
+						 cpu, GFP_KERNEL);
 		ring_buffer_read_prepare_sync();
 		ring_buffer_read_start(iter->buffer_iter[cpu]);
 		tracing_iter_reset(iter, cpu);
diff --git a/kernel/trace/trace_kdb.c b/kernel/trace/trace_kdb.c
index 57149bce6aad..896458285fdd 100644
--- a/kernel/trace/trace_kdb.c
+++ b/kernel/trace/trace_kdb.c
@@ -50,14 +50,16 @@ static void ftrace_dump_buf(int skip_lines, long cpu_file)
 	if (cpu_file == RING_BUFFER_ALL_CPUS) {
 		for_each_tracing_cpu(cpu) {
 			iter.buffer_iter[cpu] =
-			ring_buffer_read_prepare(iter.trace_buffer->buffer, cpu);
+			ring_buffer_read_prepare(iter.trace_buffer->buffer,
+						 cpu, GFP_ATOMIC);
 			ring_buffer_read_start(iter.buffer_iter[cpu]);
 			tracing_iter_reset(&iter, cpu);
 		}
 	} else {
 		iter.cpu_file = cpu_file;
 		iter.buffer_iter[cpu_file] =
-			ring_buffer_read_prepare(iter.trace_buffer->buffer, cpu_file);
+			ring_buffer_read_prepare(iter.trace_buffer->buffer,
+						 cpu_file, GFP_ATOMIC);
 		ring_buffer_read_start(iter.buffer_iter[cpu_file]);
 		tracing_iter_reset(&iter, cpu_file);
 	}
diff --git a/lib/bsearch.c b/lib/bsearch.c
index e33c179089db..d50048446b77 100644
--- a/lib/bsearch.c
+++ b/lib/bsearch.c
@@ -11,6 +11,7 @@
 
 #include <linux/export.h>
 #include <linux/bsearch.h>
+#include <linux/kprobes.h>
 
 /*
  * bsearch - binary search an array of elements
@@ -51,3 +52,4 @@ void *bsearch(const void *key, const void *base, size_t num, size_t size,
 	return NULL;
 }
 EXPORT_SYMBOL(bsearch);
+NOKPROBE_SYMBOL(bsearch);
diff --git a/lib/int_sqrt.c b/lib/int_sqrt.c
index 1afb545a37c5..6d35274170bc 100644
--- a/lib/int_sqrt.c
+++ b/lib/int_sqrt.c
@@ -7,6 +7,7 @@
 
 #include <linux/kernel.h>
 #include <linux/export.h>
+#include <linux/bitops.h>
 
 /**
  * int_sqrt - rough approximation to sqrt
@@ -21,10 +22,7 @@ unsigned long int_sqrt(unsigned long x)
 	if (x <= 1)
 		return x;
 
-	m = 1UL << (BITS_PER_LONG - 2);
-	while (m > x)
-		m >>= 2;
-
+	m = 1UL << (__fls(x) & ~1UL);
 	while (m != 0) {
 		b = y + m;
 		y >>= 1;
diff --git a/lib/raid6/Makefile b/lib/raid6/Makefile
index 3057011f5599..10ca69475611 100644
--- a/lib/raid6/Makefile
+++ b/lib/raid6/Makefile
@@ -24,7 +24,7 @@ endif
 ifeq ($(CONFIG_KERNEL_MODE_NEON),y)
 NEON_FLAGS := -ffreestanding
 ifeq ($(ARCH),arm)
-NEON_FLAGS += -mfloat-abi=softfp -mfpu=neon
+NEON_FLAGS += -march=armv7-a -mfloat-abi=softfp -mfpu=neon
 endif
 ifeq ($(ARCH),arm64)
 CFLAGS_REMOVE_neon1.o += -mgeneral-regs-only
diff --git a/mm/cma.c b/mm/cma.c
index 397687fc51f9..b5d8847497a3 100644
--- a/mm/cma.c
+++ b/mm/cma.c
@@ -339,12 +339,14 @@ int __init cma_declare_contiguous(phys_addr_t base,
 
 	ret = cma_init_reserved_mem(base, size, order_per_bit, res_cma);
 	if (ret)
-		goto err;
+		goto free_mem;
 
 	pr_info("Reserved %ld MiB at %pa\n", (unsigned long)size / SZ_1M,
 		&base);
 	return 0;
 
+free_mem:
+	memblock_free(base, size);
 err:
 	pr_err("Failed to reserve %ld MiB\n", (unsigned long)size / SZ_1M);
 	return ret;
diff --git a/mm/mempolicy.c b/mm/mempolicy.c
index 593b74bed59b..5cb5147235df 100644
--- a/mm/mempolicy.c
+++ b/mm/mempolicy.c
@@ -547,11 +547,16 @@ static int queue_pages_pte_range(pmd_t *pmd, unsigned long addr,
 			goto retry;
 		}
 
-		migrate_page_add(page, qp->pagelist, flags);
+		if (flags & (MPOL_MF_MOVE | MPOL_MF_MOVE_ALL)) {
+			if (!vma_migratable(vma))
+				break;
+			migrate_page_add(page, qp->pagelist, flags);
+		} else
+			break;
 	}
 	pte_unmap_unlock(pte - 1, ptl);
 	cond_resched();
-	return 0;
+	return addr != end ? -EIO : 0;
 }
 
 static int queue_pages_hugetlb(pte_t *pte, unsigned long hmask,
@@ -623,7 +628,12 @@ static int queue_pages_test_walk(unsigned long start, unsigned long end,
 	unsigned long endvma = vma->vm_end;
 	unsigned long flags = qp->flags;
 
-	if (!vma_migratable(vma))
+	/*
+	 * Need check MPOL_MF_STRICT to return -EIO if possible
+	 * regardless of vma_migratable
+	 */
+	if (!vma_migratable(vma) &&
+	    !(flags & MPOL_MF_STRICT))
 		return 1;
 
 	if (endvma > end)
@@ -650,7 +660,7 @@ static int queue_pages_test_walk(unsigned long start, unsigned long end,
 	}
 
 	/* queue pages from current vma */
-	if (flags & (MPOL_MF_MOVE | MPOL_MF_MOVE_ALL))
+	if (flags & MPOL_MF_VALID)
 		return 0;
 	return 1;
 }
diff --git a/mm/page_ext.c b/mm/page_ext.c
index 121dcffc4ec1..a7be1c7a79f6 100644
--- a/mm/page_ext.c
+++ b/mm/page_ext.c
@@ -286,6 +286,7 @@ static void free_page_ext(void *addr)
 		table_size = get_entry_size() * PAGES_PER_SECTION;
 
 		BUG_ON(PageReserved(page));
+		kmemleak_free(addr);
 		free_pages_exact(addr, table_size);
 	}
 }
diff --git a/mm/slab.c b/mm/slab.c
index 354a09deecff..d2c0499c6b15 100644
--- a/mm/slab.c
+++ b/mm/slab.c
@@ -566,14 +566,6 @@ static void start_cpu_timer(int cpu)
 
 static void init_arraycache(struct array_cache *ac, int limit, int batch)
 {
-	/*
-	 * The array_cache structures contain pointers to free object.
-	 * However, when such objects are allocated or transferred to another
-	 * cache the pointers are not cleared and they could be counted as
-	 * valid references during a kmemleak scan. Therefore, kmemleak must
-	 * not scan such objects.
-	 */
-	kmemleak_no_scan(ac);
 	if (ac) {
 		ac->avail = 0;
 		ac->limit = limit;
@@ -589,6 +581,14 @@ static struct array_cache *alloc_arraycache(int node, int entries,
 	struct array_cache *ac = NULL;
 
 	ac = kmalloc_node(memsize, gfp, node);
+	/*
+	 * The array_cache structures contain pointers to free object.
+	 * However, when such objects are allocated or transferred to another
+	 * cache the pointers are not cleared and they could be counted as
+	 * valid references during a kmemleak scan. Therefore, kmemleak must
+	 * not scan such objects.
+	 */
+	kmemleak_no_scan(ac);
 	init_arraycache(ac, entries, batchcount);
 	return ac;
 }
@@ -683,6 +683,7 @@ static struct alien_cache *__alloc_alien_cache(int node, int entries,
 
 	alc = kmalloc_node(memsize, gfp, node);
 	if (alc) {
+		kmemleak_no_scan(alc);
 		init_arraycache(&alc->ac, entries, batch);
 		spin_lock_init(&alc->lock);
 	}
diff --git a/mm/vmalloc.c b/mm/vmalloc.c
index e6aa073f01df..73afe460caf0 100644
--- a/mm/vmalloc.c
+++ b/mm/vmalloc.c
@@ -459,7 +459,11 @@ static struct vmap_area *alloc_vmap_area(unsigned long size,
 	}
 
 found:
-	if (addr + size > vend)
+	/*
+	 * Check also calculated address against the vstart,
+	 * because it can be 0 because of big align request.
+	 */
+	if (addr + size > vend || addr < vstart)
 		goto overflow;
 
 	va->va_start = addr;
diff --git a/net/bridge/br_netfilter_hooks.c b/net/bridge/br_netfilter_hooks.c
index 7e42c0d1f55b..38865deab3ac 100644
--- a/net/bridge/br_netfilter_hooks.c
+++ b/net/bridge/br_netfilter_hooks.c
@@ -878,11 +878,6 @@ static const struct nf_br_ops br_ops = {
 	.br_dev_xmit_hook =	br_nf_dev_xmit,
 };
 
-void br_netfilter_enable(void)
-{
-}
-EXPORT_SYMBOL_GPL(br_netfilter_enable);
-
 /* For br_nf_post_routing, we need (prio = NF_BR_PRI_LAST), because
  * br_dev_queue_push_xmit is called afterwards */
 static struct nf_hook_ops br_nf_ops[] __read_mostly = {
diff --git a/net/netfilter/xt_physdev.c b/net/netfilter/xt_physdev.c
index bb33598e4530..ec247d8370e8 100644
--- a/net/netfilter/xt_physdev.c
+++ b/net/netfilter/xt_physdev.c
@@ -96,8 +96,7 @@ physdev_mt(const struct sk_buff *skb, struct xt_action_param *par)
 static int physdev_mt_check(const struct xt_mtchk_param *par)
 {
 	const struct xt_physdev_info *info = par->matchinfo;
-
-	br_netfilter_enable();
+	static bool brnf_probed __read_mostly;
 
 	if (!(info->bitmask & XT_PHYSDEV_OP_MASK) ||
 	    info->bitmask & ~XT_PHYSDEV_OP_MASK)
@@ -113,6 +112,12 @@ static int physdev_mt_check(const struct xt_mtchk_param *par)
 		if (par->hook_mask & (1 << NF_INET_LOCAL_OUT))
 			return -EINVAL;
 	}
+
+	if (!brnf_probed) {
+		brnf_probed = true;
+		request_module("br_netfilter");
+	}
+
 	return 0;
 }
 
diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c
index d293b546a2aa..9bd6f97ccd21 100644
--- a/security/selinux/hooks.c
+++ b/security/selinux/hooks.c
@@ -3265,12 +3265,16 @@ static int selinux_inode_setsecurity(struct inode *inode, const char *name,
 				     const void *value, size_t size, int flags)
 {
 	struct inode_security_struct *isec = inode_security_novalidate(inode);
+	struct superblock_security_struct *sbsec = inode->i_sb->s_security;
 	u32 newsid;
 	int rc;
 
 	if (strcmp(name, XATTR_SELINUX_SUFFIX))
 		return -EOPNOTSUPP;
 
+	if (!(sbsec->flags & SBLABEL_MNT))
+		return -EOPNOTSUPP;
+
 	if (!value || !size)
 		return -EACCES;
 
@@ -5984,7 +5988,10 @@ static void selinux_inode_invalidate_secctx(struct inode *inode)
  */
 static int selinux_inode_notifysecctx(struct inode *inode, void *ctx, u32 ctxlen)
 {
-	return selinux_inode_setsecurity(inode, XATTR_SELINUX_SUFFIX, ctx, ctxlen, 0);
+	int rc = selinux_inode_setsecurity(inode, XATTR_SELINUX_SUFFIX,
+					   ctx, ctxlen, 0);
+	/* Do not return error when suppressing label (SBLABEL_MNT not set). */
+	return rc == -EOPNOTSUPP ? 0 : rc;
 }
 
 /*
diff --git a/sound/core/pcm_native.c b/sound/core/pcm_native.c
index e1138e70dbb3..f5eb10f8021c 100644
--- a/sound/core/pcm_native.c
+++ b/sound/core/pcm_native.c
@@ -1346,6 +1346,14 @@ int snd_pcm_suspend_all(struct snd_pcm *pcm)
 			/* FIXME: the open/close code should lock this as well */
 			if (substream->runtime == NULL)
 				continue;
+
+			/*
+			 * Skip BE dai link PCM's that are internal and may
+			 * not have their substream ops set.
+			 */
+			if (!substream->ops)
+				continue;
+
 			err = snd_pcm_suspend(substream);
 			if (err < 0 && err != -EBUSY)
 				return err;
diff --git a/sound/soc/fsl/fsl-asoc-card.c b/sound/soc/fsl/fsl-asoc-card.c
index dffd549a0e2a..705d2524ec31 100644
--- a/sound/soc/fsl/fsl-asoc-card.c
+++ b/sound/soc/fsl/fsl-asoc-card.c
@@ -689,6 +689,7 @@ static int fsl_asoc_card_probe(struct platform_device *pdev)
 asrc_fail:
 	of_node_put(asrc_np);
 	of_node_put(codec_np);
+	put_device(&cpu_pdev->dev);
 fail:
 	of_node_put(cpu_np);
 
diff --git a/sound/soc/fsl/imx-sgtl5000.c b/sound/soc/fsl/imx-sgtl5000.c
index b99e0b5e00e9..8e525f7ac08d 100644
--- a/sound/soc/fsl/imx-sgtl5000.c
+++ b/sound/soc/fsl/imx-sgtl5000.c
@@ -115,6 +115,7 @@ static int imx_sgtl5000_probe(struct platform_device *pdev)
 		ret = -EPROBE_DEFER;
 		goto fail;
 	}
+	put_device(&ssi_pdev->dev);
 	codec_dev = of_find_i2c_device_by_node(codec_np);
 	if (!codec_dev) {
 		dev_err(&pdev->dev, "failed to find codec platform device\n");
diff --git a/tools/lib/traceevent/event-parse.c b/tools/lib/traceevent/event-parse.c
index 669475300ba8..700c74b0aed0 100644
--- a/tools/lib/traceevent/event-parse.c
+++ b/tools/lib/traceevent/event-parse.c
@@ -2428,7 +2428,7 @@ static int arg_num_eval(struct print_arg *arg, long long *val)
 static char *arg_eval (struct print_arg *arg)
 {
 	long long val;
-	static char buf[20];
+	static char buf[24];
 
 	switch (arg->type) {
 	case PRINT_ATOM:
diff --git a/tools/perf/tests/evsel-tp-sched.c b/tools/perf/tests/evsel-tp-sched.c
index 66b53f10eb18..ea772d41e472 100644
--- a/tools/perf/tests/evsel-tp-sched.c
+++ b/tools/perf/tests/evsel-tp-sched.c
@@ -42,7 +42,7 @@ int test__perf_evsel__tp_sched_test(int subtest __maybe_unused)
 		return -1;
 	}
 
-	if (perf_evsel__test_field(evsel, "prev_comm", 16, true))
+	if (perf_evsel__test_field(evsel, "prev_comm", 16, false))
 		ret = -1;
 
 	if (perf_evsel__test_field(evsel, "prev_pid", 4, true))
@@ -54,7 +54,7 @@ int test__perf_evsel__tp_sched_test(int subtest __maybe_unused)
 	if (perf_evsel__test_field(evsel, "prev_state", sizeof(long), true))
 		ret = -1;
 
-	if (perf_evsel__test_field(evsel, "next_comm", 16, true))
+	if (perf_evsel__test_field(evsel, "next_comm", 16, false))
 		ret = -1;
 
 	if (perf_evsel__test_field(evsel, "next_pid", 4, true))
@@ -72,7 +72,7 @@ int test__perf_evsel__tp_sched_test(int subtest __maybe_unused)
 		return -1;
 	}
 
-	if (perf_evsel__test_field(evsel, "comm", 16, true))
+	if (perf_evsel__test_field(evsel, "comm", 16, false))
 		ret = -1;
 
 	if (perf_evsel__test_field(evsel, "pid", 4, true))