Merge tag 'v4.4.299' of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux into s12.0s12.0

This is the 4.4.299 stable release

Change-Id: I331944da7c34652c67c588856c491a5edcf37adf

125 files changed, 964 insertions, 442 deletions

diff --git a/Documentation/networking/bonding.txt b/Documentation/networking/bonding.txt
index 334b49ef02d1..5a6e70483ced 100644
--- a/Documentation/networking/bonding.txt
+++ b/Documentation/networking/bonding.txt
@@ -191,11 +191,12 @@ ad_actor_sys_prio
 ad_actor_system
 
 	In an AD system, this specifies the mac-address for the actor in
-	protocol packet exchanges (LACPDUs). The value cannot be NULL or
-	multicast. It is preferred to have the local-admin bit set for this
-	mac but driver does not enforce it. If the value is not given then
-	system defaults to using the masters' mac address as actors' system
-	address.
+	protocol packet exchanges (LACPDUs). The value cannot be a multicast
+	address. If the all-zeroes MAC is specified, bonding will internally
+	use the MAC of the bond itself. It is preferred to have the
+	local-admin bit set for this mac but driver does not enforce it. If
+	the value is not given then system defaults to using the masters'
+	mac address as actors' system address.
 
 	This parameter has effect only in 802.3ad mode and is available through
 	SysFs interface.
diff --git a/Makefile b/Makefile
index 4ccd2efdce26..48c1786ebd04 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
 VERSION = 4
 PATCHLEVEL = 4
-SUBLEVEL = 294
+SUBLEVEL = 299
 EXTRAVERSION =
 NAME = Blurry Fish Butt
 
diff --git a/arch/arm/kernel/entry-armv.S b/arch/arm/kernel/entry-armv.S
index 3ce377f7251f..618ceb6fe674 100644
--- a/arch/arm/kernel/entry-armv.S
+++ b/arch/arm/kernel/entry-armv.S
@@ -625,11 +625,9 @@ call_fpe:
 	tstne	r0, #0x04000000			@ bit 26 set on both ARM and Thumb-2
 	reteq	lr
 	and	r8, r0, #0x00000f00		@ mask out CP number
- THUMB(	lsr	r8, r8, #8		)
 	mov	r7, #1
-	add	r6, r10, #TI_USED_CP
- ARM(	strb	r7, [r6, r8, lsr #8]	)	@ set appropriate used_cp[]
- THUMB(	strb	r7, [r6, r8]		)	@ set appropriate used_cp[]
+	add	r6, r10, r8, lsr #8		@ add used_cp[] array offset first
+	strb	r7, [r6, #TI_USED_CP]		@ set appropriate used_cp[]
 #ifdef CONFIG_IWMMXT
 	@ Test if we need to give access to iWMMXt coprocessors
 	ldr	r5, [r10, #TI_FLAGS]
@@ -638,7 +636,7 @@ call_fpe:
 	bcs	iwmmxt_task_enable
 #endif
  ARM(	add	pc, pc, r8, lsr #6	)
- THUMB(	lsl	r8, r8, #2		)
+ THUMB(	lsr	r8, r8, #6		)
  THUMB(	add	pc, r8			)
 	nop
 
diff --git a/arch/arm/mm/copypage-fa.c b/arch/arm/mm/copypage-fa.c
index d130a5ece5d5..bf24690ec83a 100644
--- a/arch/arm/mm/copypage-fa.c
+++ b/arch/arm/mm/copypage-fa.c
@@ -17,26 +17,25 @@
 /*
  * Faraday optimised copy_user_page
  */
-static void __naked
-fa_copy_user_page(void *kto, const void *kfrom)
+static void fa_copy_user_page(void *kto, const void *kfrom)
 {
-	asm("\
-	stmfd	sp!, {r4, lr}			@ 2\n\
-	mov	r2, %0				@ 1\n\
-1:	ldmia	r1!, {r3, r4, ip, lr}		@ 4\n\
-	stmia	r0, {r3, r4, ip, lr}		@ 4\n\
-	mcr	p15, 0, r0, c7, c14, 1		@ 1   clean and invalidate D line\n\
-	add	r0, r0, #16			@ 1\n\
-	ldmia	r1!, {r3, r4, ip, lr}		@ 4\n\
-	stmia	r0, {r3, r4, ip, lr}		@ 4\n\
-	mcr	p15, 0, r0, c7, c14, 1		@ 1   clean and invalidate D line\n\
-	add	r0, r0, #16			@ 1\n\
-	subs	r2, r2, #1			@ 1\n\
+	int tmp;
+
+	asm volatile ("\
+1:	ldmia	%1!, {r3, r4, ip, lr}		@ 4\n\
+	stmia	%0, {r3, r4, ip, lr}		@ 4\n\
+	mcr	p15, 0, %0, c7, c14, 1		@ 1   clean and invalidate D line\n\
+	add	%0, %0, #16			@ 1\n\
+	ldmia	%1!, {r3, r4, ip, lr}		@ 4\n\
+	stmia	%0, {r3, r4, ip, lr}		@ 4\n\
+	mcr	p15, 0, %0, c7, c14, 1		@ 1   clean and invalidate D line\n\
+	add	%0, %0, #16			@ 1\n\
+	subs	%2, %2, #1			@ 1\n\
 	bne	1b				@ 1\n\
-	mcr	p15, 0, r2, c7, c10, 4		@ 1   drain WB\n\
-	ldmfd	sp!, {r4, pc}			@ 3"
-	:
-	: "I" (PAGE_SIZE / 32));
+	mcr	p15, 0, %2, c7, c10, 4		@ 1   drain WB"
+	: "+&r" (kto), "+&r" (kfrom), "=&r" (tmp)
+	: "2" (PAGE_SIZE / 32)
+	: "r3", "r4", "ip", "lr");
 }
 
 void fa_copy_user_highpage(struct page *to, struct page *from,
diff --git a/arch/arm/mm/copypage-feroceon.c b/arch/arm/mm/copypage-feroceon.c
index 49ee0c1a7209..cc819732d9b8 100644
--- a/arch/arm/mm/copypage-feroceon.c
+++ b/arch/arm/mm/copypage-feroceon.c
@@ -13,58 +13,56 @@
 #include <linux/init.h>
 #include <linux/highmem.h>
 
-static void __naked
-feroceon_copy_user_page(void *kto, const void *kfrom)
+static void feroceon_copy_user_page(void *kto, const void *kfrom)
 {
-	asm("\
-	stmfd	sp!, {r4-r9, lr}		\n\
-	mov	ip, %2				\n\
-1:	mov	lr, r1				\n\
-	ldmia	r1!, {r2 - r9}			\n\
-	pld	[lr, #32]			\n\
-	pld	[lr, #64]			\n\
-	pld	[lr, #96]			\n\
-	pld	[lr, #128]			\n\
-	pld	[lr, #160]			\n\
-	pld	[lr, #192]			\n\
-	pld	[lr, #224]			\n\
-	stmia	r0, {r2 - r9}			\n\
-	ldmia	r1!, {r2 - r9}			\n\
-	mcr	p15, 0, r0, c7, c14, 1		@ clean and invalidate D line\n\
-	add	r0, r0, #32			\n\
-	stmia	r0, {r2 - r9}			\n\
-	ldmia	r1!, {r2 - r9}			\n\
-	mcr	p15, 0, r0, c7, c14, 1		@ clean and invalidate D line\n\
-	add	r0, r0, #32			\n\
-	stmia	r0, {r2 - r9}			\n\
-	ldmia	r1!, {r2 - r9}			\n\
-	mcr	p15, 0, r0, c7, c14, 1		@ clean and invalidate D line\n\
-	add	r0, r0, #32			\n\
-	stmia	r0, {r2 - r9}			\n\
-	ldmia	r1!, {r2 - r9}			\n\
-	mcr	p15, 0, r0, c7, c14, 1		@ clean and invalidate D line\n\
-	add	r0, r0, #32			\n\
-	stmia	r0, {r2 - r9}			\n\
-	ldmia	r1!, {r2 - r9}			\n\
-	mcr	p15, 0, r0, c7, c14, 1		@ clean and invalidate D line\n\
-	add	r0, r0, #32			\n\
-	stmia	r0, {r2 - r9}			\n\
-	ldmia	r1!, {r2 - r9}			\n\
-	mcr	p15, 0, r0, c7, c14, 1		@ clean and invalidate D line\n\
-	add	r0, r0, #32			\n\
-	stmia	r0, {r2 - r9}			\n\
-	ldmia	r1!, {r2 - r9}			\n\
-	mcr	p15, 0, r0, c7, c14, 1		@ clean and invalidate D line\n\
-	add	r0, r0, #32			\n\
-	stmia	r0, {r2 - r9}			\n\
-	subs	ip, ip, #(32 * 8)		\n\
-	mcr	p15, 0, r0, c7, c14, 1		@ clean and invalidate D line\n\
-	add	r0, r0, #32			\n\
+	int tmp;
+
+	asm volatile ("\
+1:	ldmia	%1!, {r2 - r7, ip, lr}		\n\
+	pld	[%1, #0]			\n\
+	pld	[%1, #32]			\n\
+	pld	[%1, #64]			\n\
+	pld	[%1, #96]			\n\
+	pld	[%1, #128]			\n\
+	pld	[%1, #160]			\n\
+	pld	[%1, #192]			\n\
+	stmia	%0, {r2 - r7, ip, lr}		\n\
+	ldmia	%1!, {r2 - r7, ip, lr}		\n\
+	mcr	p15, 0, %0, c7, c14, 1		@ clean and invalidate D line\n\
+	add	%0, %0, #32			\n\
+	stmia	%0, {r2 - r7, ip, lr}		\n\
+	ldmia	%1!, {r2 - r7, ip, lr}		\n\
+	mcr	p15, 0, %0, c7, c14, 1		@ clean and invalidate D line\n\
+	add	%0, %0, #32			\n\
+	stmia	%0, {r2 - r7, ip, lr}		\n\
+	ldmia	%1!, {r2 - r7, ip, lr}		\n\
+	mcr	p15, 0, %0, c7, c14, 1		@ clean and invalidate D line\n\
+	add	%0, %0, #32			\n\
+	stmia	%0, {r2 - r7, ip, lr}		\n\
+	ldmia	%1!, {r2 - r7, ip, lr}		\n\
+	mcr	p15, 0, %0, c7, c14, 1		@ clean and invalidate D line\n\
+	add	%0, %0, #32			\n\
+	stmia	%0, {r2 - r7, ip, lr}		\n\
+	ldmia	%1!, {r2 - r7, ip, lr}		\n\
+	mcr	p15, 0, %0, c7, c14, 1		@ clean and invalidate D line\n\
+	add	%0, %0, #32			\n\
+	stmia	%0, {r2 - r7, ip, lr}		\n\
+	ldmia	%1!, {r2 - r7, ip, lr}		\n\
+	mcr	p15, 0, %0, c7, c14, 1		@ clean and invalidate D line\n\
+	add	%0, %0, #32			\n\
+	stmia	%0, {r2 - r7, ip, lr}		\n\
+	ldmia	%1!, {r2 - r7, ip, lr}		\n\
+	mcr	p15, 0, %0, c7, c14, 1		@ clean and invalidate D line\n\
+	add	%0, %0, #32			\n\
+	stmia	%0, {r2 - r7, ip, lr}		\n\
+	subs	%2, %2, #(32 * 8)		\n\
+	mcr	p15, 0, %0, c7, c14, 1		@ clean and invalidate D line\n\
+	add	%0, %0, #32			\n\
 	bne	1b				\n\
-	mcr	p15, 0, ip, c7, c10, 4		@ drain WB\n\
-	ldmfd	sp!, {r4-r9, pc}"
-	:
-	: "r" (kto), "r" (kfrom), "I" (PAGE_SIZE));
+	mcr	p15, 0, %2, c7, c10, 4		@ drain WB"
+	: "+&r" (kto), "+&r" (kfrom), "=&r" (tmp)
+	: "2" (PAGE_SIZE)
+	: "r2", "r3", "r4", "r5", "r6", "r7", "ip", "lr");
 }
 
 void feroceon_copy_user_highpage(struct page *to, struct page *from,
diff --git a/arch/arm/mm/copypage-v4mc.c b/arch/arm/mm/copypage-v4mc.c
index 1267e64133b9..db624170854a 100644
--- a/arch/arm/mm/copypage-v4mc.c
+++ b/arch/arm/mm/copypage-v4mc.c
@@ -40,12 +40,11 @@ static DEFINE_RAW_SPINLOCK(minicache_lock);
  * instruction.  If your processor does not supply this, you have to write your
  * own copy_user_highpage that does the right thing.
  */
-static void __naked
-mc_copy_user_page(void *from, void *to)
+static void mc_copy_user_page(void *from, void *to)
 {
-	asm volatile(
-	"stmfd	sp!, {r4, lr}			@ 2\n\
-	mov	r4, %2				@ 1\n\
+	int tmp;
+
+	asm volatile ("\
 	ldmia	%0!, {r2, r3, ip, lr}		@ 4\n\
 1:	mcr	p15, 0, %1, c7, c6, 1		@ 1   invalidate D line\n\
 	stmia	%1!, {r2, r3, ip, lr}		@ 4\n\
@@ -55,13 +54,13 @@ mc_copy_user_page(void *from, void *to)
 	mcr	p15, 0, %1, c7, c6, 1		@ 1   invalidate D line\n\
 	stmia	%1!, {r2, r3, ip, lr}		@ 4\n\
 	ldmia	%0!, {r2, r3, ip, lr}		@ 4\n\
-	subs	r4, r4, #1			@ 1\n\
+	subs	%2, %2, #1			@ 1\n\
 	stmia	%1!, {r2, r3, ip, lr}		@ 4\n\
 	ldmneia	%0!, {r2, r3, ip, lr}		@ 4\n\
-	bne	1b				@ 1\n\
-	ldmfd	sp!, {r4, pc}			@ 3"
-	:
-	: "r" (from), "r" (to), "I" (PAGE_SIZE / 64));
+	bne	1b				@ "
+	: "+&r" (from), "+&r" (to), "=&r" (tmp)
+	: "2" (PAGE_SIZE / 64)
+	: "r2", "r3", "ip", "lr");
 }
 
 void v4_mc_copy_user_highpage(struct page *to, struct page *from,
diff --git a/arch/arm/mm/copypage-v4wb.c b/arch/arm/mm/copypage-v4wb.c
index 067d0fdd630c..cd3e165afeed 100644
--- a/arch/arm/mm/copypage-v4wb.c
+++ b/arch/arm/mm/copypage-v4wb.c
@@ -22,29 +22,28 @@
  * instruction.  If your processor does not supply this, you have to write your
  * own copy_user_highpage that does the right thing.
  */
-static void __naked
-v4wb_copy_user_page(void *kto, const void *kfrom)
+static void v4wb_copy_user_page(void *kto, const void *kfrom)
 {
-	asm("\
-	stmfd	sp!, {r4, lr}			@ 2\n\
-	mov	r2, %2				@ 1\n\
-	ldmia	r1!, {r3, r4, ip, lr}		@ 4\n\
-1:	mcr	p15, 0, r0, c7, c6, 1		@ 1   invalidate D line\n\
-	stmia	r0!, {r3, r4, ip, lr}		@ 4\n\
-	ldmia	r1!, {r3, r4, ip, lr}		@ 4+1\n\
-	stmia	r0!, {r3, r4, ip, lr}		@ 4\n\
-	ldmia	r1!, {r3, r4, ip, lr}		@ 4\n\
-	mcr	p15, 0, r0, c7, c6, 1		@ 1   invalidate D line\n\
-	stmia	r0!, {r3, r4, ip, lr}		@ 4\n\
-	ldmia	r1!, {r3, r4, ip, lr}		@ 4\n\
-	subs	r2, r2, #1			@ 1\n\
-	stmia	r0!, {r3, r4, ip, lr}		@ 4\n\
-	ldmneia	r1!, {r3, r4, ip, lr}		@ 4\n\
+	int tmp;
+
+	asm volatile ("\
+	ldmia	%1!, {r3, r4, ip, lr}		@ 4\n\
+1:	mcr	p15, 0, %0, c7, c6, 1		@ 1   invalidate D line\n\
+	stmia	%0!, {r3, r4, ip, lr}		@ 4\n\
+	ldmia	%1!, {r3, r4, ip, lr}		@ 4+1\n\
+	stmia	%0!, {r3, r4, ip, lr}		@ 4\n\
+	ldmia	%1!, {r3, r4, ip, lr}		@ 4\n\
+	mcr	p15, 0, %0, c7, c6, 1		@ 1   invalidate D line\n\
+	stmia	%0!, {r3, r4, ip, lr}		@ 4\n\
+	ldmia	%1!, {r3, r4, ip, lr}		@ 4\n\
+	subs	%2, %2, #1			@ 1\n\
+	stmia	%0!, {r3, r4, ip, lr}		@ 4\n\
+	ldmneia	%1!, {r3, r4, ip, lr}		@ 4\n\
 	bne	1b				@ 1\n\
-	mcr	p15, 0, r1, c7, c10, 4		@ 1   drain WB\n\
-	ldmfd	 sp!, {r4, pc}			@ 3"
-	:
-	: "r" (kto), "r" (kfrom), "I" (PAGE_SIZE / 64));
+	mcr	p15, 0, %1, c7, c10, 4		@ 1   drain WB"
+	: "+&r" (kto), "+&r" (kfrom), "=&r" (tmp)
+	: "2" (PAGE_SIZE / 64)
+	: "r3", "r4", "ip", "lr");
 }
 
 void v4wb_copy_user_highpage(struct page *to, struct page *from,
diff --git a/arch/arm/mm/copypage-v4wt.c b/arch/arm/mm/copypage-v4wt.c
index b85c5da2e510..8614572e1296 100644
--- a/arch/arm/mm/copypage-v4wt.c
+++ b/arch/arm/mm/copypage-v4wt.c
@@ -20,27 +20,26 @@
  * dirty data in the cache.  However, we do have to ensure that
  * subsequent reads are up to date.
  */
-static void __naked
-v4wt_copy_user_page(void *kto, const void *kfrom)
+static void v4wt_copy_user_page(void *kto, const void *kfrom)
 {
-	asm("\
-	stmfd	sp!, {r4, lr}			@ 2\n\
-	mov	r2, %2				@ 1\n\
-	ldmia	r1!, {r3, r4, ip, lr}		@ 4\n\
-1:	stmia	r0!, {r3, r4, ip, lr}		@ 4\n\
-	ldmia	r1!, {r3, r4, ip, lr}		@ 4+1\n\
-	stmia	r0!, {r3, r4, ip, lr}		@ 4\n\
-	ldmia	r1!, {r3, r4, ip, lr}		@ 4\n\
-	stmia	r0!, {r3, r4, ip, lr}		@ 4\n\
-	ldmia	r1!, {r3, r4, ip, lr}		@ 4\n\
-	subs	r2, r2, #1			@ 1\n\
-	stmia	r0!, {r3, r4, ip, lr}		@ 4\n\
-	ldmneia	r1!, {r3, r4, ip, lr}		@ 4\n\
+	int tmp;
+
+	asm volatile ("\
+	ldmia	%1!, {r3, r4, ip, lr}		@ 4\n\
+1:	stmia	%0!, {r3, r4, ip, lr}		@ 4\n\
+	ldmia	%1!, {r3, r4, ip, lr}		@ 4+1\n\
+	stmia	%0!, {r3, r4, ip, lr}		@ 4\n\
+	ldmia	%1!, {r3, r4, ip, lr}		@ 4\n\
+	stmia	%0!, {r3, r4, ip, lr}		@ 4\n\
+	ldmia	%1!, {r3, r4, ip, lr}		@ 4\n\
+	subs	%2, %2, #1			@ 1\n\
+	stmia	%0!, {r3, r4, ip, lr}		@ 4\n\
+	ldmneia	%1!, {r3, r4, ip, lr}		@ 4\n\
 	bne	1b				@ 1\n\
-	mcr	p15, 0, r2, c7, c7, 0		@ flush ID cache\n\
-	ldmfd	sp!, {r4, pc}			@ 3"
-	:
-	: "r" (kto), "r" (kfrom), "I" (PAGE_SIZE / 64));
+	mcr	p15, 0, %2, c7, c7, 0		@ flush ID cache"
+	: "+&r" (kto), "+&r" (kfrom), "=&r" (tmp)
+	: "2" (PAGE_SIZE / 64)
+	: "r3", "r4", "ip", "lr");
 }
 
 void v4wt_copy_user_highpage(struct page *to, struct page *from,
diff --git a/arch/arm/mm/copypage-xsc3.c b/arch/arm/mm/copypage-xsc3.c
index 03a2042aced5..55cbc3a89d85 100644
--- a/arch/arm/mm/copypage-xsc3.c
+++ b/arch/arm/mm/copypage-xsc3.c
@@ -21,53 +21,46 @@
 
 /*
  * XSC3 optimised copy_user_highpage
- *  r0 = destination
- *  r1 = source
  *
  * The source page may have some clean entries in the cache already, but we
  * can safely ignore them - break_cow() will flush them out of the cache
  * if we eventually end up using our copied page.
  *
  */
-static void __naked
-xsc3_mc_copy_user_page(void *kto, const void *kfrom)
+static void xsc3_mc_copy_user_page(void *kto, const void *kfrom)
 {
-	asm("\
-	stmfd	sp!, {r4, r5, lr}		\n\
-	mov	lr, %2				\n\
-						\n\
-	pld	[r1, #0]			\n\
-	pld	[r1, #32]			\n\
-1:	pld	[r1, #64]			\n\
-	pld	[r1, #96]			\n\
+	int tmp;
+
+	asm volatile ("\
+	pld	[%1, #0]			\n\
+	pld	[%1, #32]			\n\
+1:	pld	[%1, #64]			\n\
+	pld	[%1, #96]			\n\
 						\n\
-2:	ldrd	r2, [r1], #8			\n\
-	mov	ip, r0				\n\
-	ldrd	r4, [r1], #8			\n\
-	mcr	p15, 0, ip, c7, c6, 1		@ invalidate\n\
-	strd	r2, [r0], #8			\n\
-	ldrd	r2, [r1], #8			\n\
-	strd	r4, [r0], #8			\n\
-	ldrd	r4, [r1], #8			\n\
-	strd	r2, [r0], #8			\n\
-	strd	r4, [r0], #8			\n\
-	ldrd	r2, [r1], #8			\n\
-	mov	ip, r0				\n\
-	ldrd	r4, [r1], #8			\n\
-	mcr	p15, 0, ip, c7, c6, 1		@ invalidate\n\
-	strd	r2, [r0], #8			\n\
-	ldrd	r2, [r1], #8			\n\
-	subs	lr, lr, #1			\n\
-	strd	r4, [r0], #8			\n\
-	ldrd	r4, [r1], #8			\n\
-	strd	r2, [r0], #8			\n\
-	strd	r4, [r0], #8			\n\
+2:	ldrd	r2, [%1], #8			\n\
+	ldrd	r4, [%1], #8			\n\
+	mcr	p15, 0, %0, c7, c6, 1		@ invalidate\n\
+	strd	r2, [%0], #8			\n\
+	ldrd	r2, [%1], #8			\n\
+	strd	r4, [%0], #8			\n\
+	ldrd	r4, [%1], #8			\n\
+	strd	r2, [%0], #8			\n\
+	strd	r4, [%0], #8			\n\
+	ldrd	r2, [%1], #8			\n\
+	ldrd	r4, [%1], #8			\n\
+	mcr	p15, 0, %0, c7, c6, 1		@ invalidate\n\
+	strd	r2, [%0], #8			\n\
+	ldrd	r2, [%1], #8			\n\
+	subs	%2, %2, #1			\n\
+	strd	r4, [%0], #8			\n\
+	ldrd	r4, [%1], #8			\n\
+	strd	r2, [%0], #8			\n\
+	strd	r4, [%0], #8			\n\
 	bgt	1b				\n\
-	beq	2b				\n\
-						\n\
-	ldmfd	sp!, {r4, r5, pc}"
-	:
-	: "r" (kto), "r" (kfrom), "I" (PAGE_SIZE / 64 - 1));
+	beq	2b				"
+	: "+&r" (kto), "+&r" (kfrom), "=&r" (tmp)
+	: "2" (PAGE_SIZE / 64 - 1)
+	: "r2", "r3", "r4", "r5");
 }
 
 void xsc3_mc_copy_user_highpage(struct page *to, struct page *from,
@@ -85,8 +78,6 @@ void xsc3_mc_copy_user_highpage(struct page *to, struct page *from,
 
 /*
  * XScale optimised clear_user_page
- *  r0 = destination
- *  r1 = virtual user address of ultimate destination page
  */
 void xsc3_mc_clear_user_highpage(struct page *page, unsigned long vaddr)
 {
diff --git a/arch/arm/mm/copypage-xscale.c b/arch/arm/mm/copypage-xscale.c
index 0fb85025344d..c775d4b7adb0 100644
--- a/arch/arm/mm/copypage-xscale.c
+++ b/arch/arm/mm/copypage-xscale.c
@@ -36,52 +36,51 @@ static DEFINE_RAW_SPINLOCK(minicache_lock);
  * Dcache aliasing issue.  The writes will be forwarded to the write buffer,
  * and merged as appropriate.
  */
-static void __naked
-mc_copy_user_page(void *from, void *to)
+static void mc_copy_user_page(void *from, void *to)
 {
+	int tmp;
+
 	/*
 	 * Strangely enough, best performance is achieved
 	 * when prefetching destination as well.  (NP)
 	 */
-	asm volatile(
-	"stmfd	sp!, {r4, r5, lr}		\n\
-	mov	lr, %2				\n\
-	pld	[r0, #0]			\n\
-	pld	[r0, #32]			\n\
-	pld	[r1, #0]			\n\
-	pld	[r1, #32]			\n\
-1:	pld	[r0, #64]			\n\
-	pld	[r0, #96]			\n\
-	pld	[r1, #64]			\n\
-	pld	[r1, #96]			\n\
-2:	ldrd	r2, [r0], #8			\n\
-	ldrd	r4, [r0], #8			\n\
-	mov	ip, r1				\n\
-	strd	r2, [r1], #8			\n\
-	ldrd	r2, [r0], #8			\n\
-	strd	r4, [r1], #8			\n\
-	ldrd	r4, [r0], #8			\n\
-	strd	r2, [r1], #8			\n\
-	strd	r4, [r1], #8			\n\
+	asm volatile ("\
+	pld	[%0, #0]			\n\
+	pld	[%0, #32]			\n\
+	pld	[%1, #0]			\n\
+	pld	[%1, #32]			\n\
+1:	pld	[%0, #64]			\n\
+	pld	[%0, #96]			\n\
+	pld	[%1, #64]			\n\
+	pld	[%1, #96]			\n\
+2:	ldrd	r2, [%0], #8			\n\
+	ldrd	r4, [%0], #8			\n\
+	mov	ip, %1				\n\
+	strd	r2, [%1], #8			\n\
+	ldrd	r2, [%0], #8			\n\
+	strd	r4, [%1], #8			\n\
+	ldrd	r4, [%0], #8			\n\
+	strd	r2, [%1], #8			\n\
+	strd	r4, [%1], #8			\n\
 	mcr	p15, 0, ip, c7, c10, 1		@ clean D line\n\
-	ldrd	r2, [r0], #8			\n\
+	ldrd	r2, [%0], #8			\n\
 	mcr	p15, 0, ip, c7, c6, 1		@ invalidate D line\n\
-	ldrd	r4, [r0], #8			\n\
-	mov	ip, r1				\n\
-	strd	r2, [r1], #8			\n\
-	ldrd	r2, [r0], #8			\n\
-	strd	r4, [r1], #8			\n\
-	ldrd	r4, [r0], #8			\n\
-	strd	r2, [r1], #8			\n\
-	strd	r4, [r1], #8			\n\
+	ldrd	r4, [%0], #8			\n\
+	mov	ip, %1				\n\
+	strd	r2, [%1], #8			\n\
+	ldrd	r2, [%0], #8			\n\
+	strd	r4, [%1], #8			\n\
+	ldrd	r4, [%0], #8			\n\
+	strd	r2, [%1], #8			\n\
+	strd	r4, [%1], #8			\n\
 	mcr	p15, 0, ip, c7, c10, 1		@ clean D line\n\
-	subs	lr, lr, #1			\n\
+	subs	%2, %2, #1			\n\
 	mcr	p15, 0, ip, c7, c6, 1		@ invalidate D line\n\
 	bgt	1b				\n\
-	beq	2b				\n\
-	ldmfd	sp!, {r4, r5, pc}		"
-	:
-	: "r" (from), "r" (to), "I" (PAGE_SIZE / 64 - 1));
+	beq	2b				"
+	: "+&r" (from), "+&r" (to), "=&r" (tmp)
+	: "2" (PAGE_SIZE / 64 - 1)
+	: "r2", "r3", "r4", "r5", "ip");
 }
 
 void xscale_mc_copy_user_highpage(struct page *to, struct page *from,
diff --git a/block/ioprio.c b/block/ioprio.c
index 01b8116298a1..284bdfa3aacf 100644
--- a/block/ioprio.c
+++ b/block/ioprio.c
@@ -202,6 +202,7 @@ SYSCALL_DEFINE2(ioprio_get, int, which, int, who)
 				pgrp = task_pgrp(current);
 			else
 				pgrp = find_vpid(who);
+			read_lock(&tasklist_lock);
 			do_each_pid_thread(pgrp, PIDTYPE_PGID, p) {
 				tmpio = get_task_ioprio(p);
 				if (tmpio < 0)
@@ -211,6 +212,8 @@ SYSCALL_DEFINE2(ioprio_get, int, which, int, who)
 				else
 					ret = ioprio_best(ret, tmpio);
 			} while_each_pid_thread(pgrp, PIDTYPE_PGID, p);
+			read_unlock(&tasklist_lock);
+
 			break;
 		case IOPRIO_WHO_USER:
 			uid = make_kuid(current_user_ns(), who);
diff --git a/drivers/android/binder.c b/drivers/android/binder.c
index 2574aa06b62d..b2d10689c6df 100644
--- a/drivers/android/binder.c
+++ b/drivers/android/binder.c
@@ -5049,10 +5049,11 @@ static int binder_thread_release(struct binder_proc *proc,
 	binder_inner_proc_unlock(thread->proc);
 
 	/*
-	 * This is needed to avoid races between wake_up_poll() above and
-	 * and ep_remove_waitqueue() called for other reasons (eg the epoll file
-	 * descriptor being closed); ep_remove_waitqueue() holds an RCU read
-	 * lock, so we can be sure it's done after calling synchronize_rcu().
+	 * This is needed to avoid races between wake_up_pollfree() above and
+	 * someone else removing the last entry from the queue for other reasons
+	 * (e.g. ep_remove_wait_queue() being called due to an epoll file
+	 * descriptor being closed).  Such other users hold an RCU read lock, so
+	 * we can be sure they're done after we call synchronize_rcu().
 	 */
 	if (thread->looper & BINDER_LOOPER_STATE_POLL)
 		synchronize_rcu();
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index 7120da5a03f3..6144383ec8bc 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -4153,6 +4153,8 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = {
 	{ " 2GB ATA Flash Disk", "ADMA428M",	ATA_HORKAGE_NODMA },
 	/* Odd clown on sil3726/4726 PMPs */
 	{ "Config  Disk",	NULL,		ATA_HORKAGE_DISABLE },
+	/* Similar story with ASMedia 1092 */
+	{ "ASMT109x- Config",	NULL,		ATA_HORKAGE_DISABLE },
 
 	/* Weird ATAPI devices */
 	{ "TORiSAN DVD-ROM DRD-N216", NULL,	ATA_HORKAGE_MAX_SEC_128 },
diff --git a/drivers/block/xen-blkfront.c b/drivers/block/xen-blkfront.c
index b27917dfdcc0..ae2c47e99c88 100644
--- a/drivers/block/xen-blkfront.c
+++ b/drivers/block/xen-blkfront.c
@@ -493,8 +493,6 @@ static int blkif_queue_discard_req(struct request *req)
 	else
 		ring_req->u.discard.flag = 0;
 
-	info->ring.req_prod_pvt++;
-
 	/* Copy the request to the ring page. */
 	*final_ring_req = *ring_req;
 	info->shadow[id].inflight = true;
@@ -711,8 +709,6 @@ static int blkif_queue_rw_req(struct request *req)
 	if (setup.segments)
 		kunmap_atomic(setup.segments);
 
-	info->ring.req_prod_pvt++;
-
 	/* Copy request(s) to the ring page. */
 	*final_ring_req = *ring_req;
 	info->shadow[id].inflight = true;
@@ -1319,11 +1315,13 @@ static irqreturn_t blkif_interrupt(int irq, void *dev_id)
 	unsigned long flags;
 	struct blkfront_info *info = (struct blkfront_info *)dev_id;
 	int error;
+	unsigned int eoiflag = XEN_EOI_FLAG_SPURIOUS;
 
 	spin_lock_irqsave(&info->io_lock, flags);
 
 	if (unlikely(info->connected != BLKIF_STATE_CONNECTED)) {
 		spin_unlock_irqrestore(&info->io_lock, flags);
+		xen_irq_lateeoi(irq, XEN_EOI_FLAG_SPURIOUS);
 		return IRQ_HANDLED;
 	}
 
@@ -1340,6 +1338,8 @@ static irqreturn_t blkif_interrupt(int irq, void *dev_id)
 		unsigned long id;
 		unsigned int op;
 
+		eoiflag = 0;
+
 		RING_COPY_RESPONSE(&info->ring, i, &bret);
 		id   = bret.id;
 
@@ -1444,6 +1444,8 @@ static irqreturn_t blkif_interrupt(int irq, void *dev_id)
 
 	spin_unlock_irqrestore(&info->io_lock, flags);
 
+	xen_irq_lateeoi(irq, eoiflag);
+
 	return IRQ_HANDLED;
 
  err:
@@ -1451,6 +1453,8 @@ static irqreturn_t blkif_interrupt(int irq, void *dev_id)
 
 	spin_unlock_irqrestore(&info->io_lock, flags);
 
+	/* No EOI in order to avoid further interrupts. */
+
 	pr_alert("%s disabled for further use\n", info->gd->disk_name);
 	return IRQ_HANDLED;
 }
@@ -1489,8 +1493,8 @@ static int setup_blkring(struct xenbus_device *dev,
 	if (err)
 		goto fail;
 
-	err = bind_evtchn_to_irqhandler(info->evtchn, blkif_interrupt, 0,
-					"blkif", info);
+	err = bind_evtchn_to_irqhandler_lateeoi(info->evtchn, blkif_interrupt,
+						0, "blkif", info);
 	if (err <= 0) {
 		xenbus_dev_fatal(dev, err,
 				 "bind_evtchn_to_irqhandler failed");
diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index 3d62f17111cb..c3eaaa35185b 100644
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -2489,11 +2489,9 @@ static const struct qca_device_info qca_devices_table[] = {
 	{ 0x00000302, 28, 4, 18 }, /* Rome 3.2 */
 };
 
-static int btusb_qca_send_vendor_req(struct hci_dev *hdev, u8 request,
+static int btusb_qca_send_vendor_req(struct usb_device *udev, u8 request,
 				     void *data, u16 size)
 {
-	struct btusb_data *btdata = hci_get_drvdata(hdev);
-	struct usb_device *udev = btdata->udev;
 	int pipe, err;
 	u8 *buf;
 
@@ -2508,7 +2506,7 @@ static int btusb_qca_send_vendor_req(struct hci_dev *hdev, u8 request,
 	err = usb_control_msg(udev, pipe, request, USB_TYPE_VENDOR | USB_DIR_IN,
 			      0, 0, buf, size, USB_CTRL_SET_TIMEOUT);
 	if (err < 0) {
-		BT_ERR("%s: Failed to access otp area (%d)", hdev->name, err);
+		dev_err(&udev->dev, "Failed to access otp area (%d)", err);
 		goto done;
 	}
 
@@ -2664,20 +2662,38 @@ static int btusb_setup_qca_load_nvm(struct hci_dev *hdev,
 	return err;
 }
 
+/* identify the ROM version and check whether patches are needed */
+static bool btusb_qca_need_patch(struct usb_device *udev)
+{
+	struct qca_version ver;
+
+	if (btusb_qca_send_vendor_req(udev, QCA_GET_TARGET_VERSION, &ver,
+				      sizeof(ver)) < 0)
+		return false;
+	/* only low ROM versions need patches */
+	return !(le32_to_cpu(ver.rom_version) & ~0xffffU);
+}
+
 static int btusb_setup_qca(struct hci_dev *hdev)
 {
+	struct btusb_data *btdata = hci_get_drvdata(hdev);
+	struct usb_device *udev = btdata->udev;
 	const struct qca_device_info *info = NULL;
 	struct qca_version ver;
 	u32 ver_rom;
 	u8 status;
 	int i, err;
 
-	err = btusb_qca_send_vendor_req(hdev, QCA_GET_TARGET_VERSION, &ver,
+	err = btusb_qca_send_vendor_req(udev, QCA_GET_TARGET_VERSION, &ver,
 					sizeof(ver));
 	if (err < 0)
 		return err;
 
 	ver_rom = le32_to_cpu(ver.rom_version);
+	/* Don't care about high ROM versions */
+	if (ver_rom & ~0xffffU)
+		return 0;
+
 	for (i = 0; i < ARRAY_SIZE(qca_devices_table); i++) {
 		if (ver_rom == qca_devices_table[i].rom_version)
 			info = &qca_devices_table[i];
@@ -2688,7 +2704,7 @@ static int btusb_setup_qca(struct hci_dev *hdev)
 		return -ENODEV;
 	}
 
-	err = btusb_qca_send_vendor_req(hdev, QCA_CHECK_STATUS, &status,
+	err = btusb_qca_send_vendor_req(udev, QCA_CHECK_STATUS, &status,
 					sizeof(status));
 	if (err < 0)
 		return err;
@@ -2834,7 +2850,8 @@ static int btusb_probe(struct usb_interface *intf,
 
 		/* Old firmware would otherwise let ath3k driver load
 		 * patch and sysconfig files */
-		if (le16_to_cpu(udev->descriptor.bcdDevice) <= 0x0001)
+		if (le16_to_cpu(udev->descriptor.bcdDevice) <= 0x0001 &&
+		    !btusb_qca_need_patch(udev))
 			return -ENODEV;
 	}
 
@@ -2981,6 +2998,7 @@ static int btusb_probe(struct usb_interface *intf,
 	}
 
 	if (id->driver_info & BTUSB_ATH3012) {
+		data->setup_on_usb = btusb_setup_qca;
 		hdev->set_bdaddr = btusb_set_bdaddr_ath3012;
 		set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks);
 		set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks);
diff --git a/drivers/char/agp/parisc-agp.c b/drivers/char/agp/parisc-agp.c
index 15f2e7025b78..1d5510cb6db4 100644
--- a/drivers/char/agp/parisc-agp.c
+++ b/drivers/char/agp/parisc-agp.c
@@ -285,7 +285,7 @@ agp_ioc_init(void __iomem *ioc_regs)
         return 0;
 }
 
-static int
+static int __init
 lba_find_capability(int cap)
 {
 	struct _parisc_agp_info *info = &parisc_agp_info;
@@ -370,7 +370,7 @@ fail:
 	return error;
 }
 
-static int
+static int __init
 find_quicksilver(struct device *dev, void *data)
 {
 	struct parisc_device **lba = data;
@@ -382,7 +382,7 @@ find_quicksilver(struct device *dev, void *data)
 	return 0;
 }
 
-static int
+static int __init
 parisc_agp_init(void)
 {
 	extern struct sba_device *sba_list;
diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig
index d3ce6a15c1c9..b8bf97a02e47 100644
--- a/drivers/hid/Kconfig
+++ b/drivers/hid/Kconfig
@@ -172,14 +172,14 @@ config HID_CHERRY
 
 config HID_CHICONY
 	tristate "Chicony devices"
-	depends on HID
+	depends on USB_HID
 	default !EXPERT
 	---help---
 	Support for Chicony Tactical pad and special keys on Chicony keyboards.
 
 config HID_CORSAIR
 	tristate "Corsair devices"
-	depends on HID && USB && LEDS_CLASS
+	depends on USB_HID && LEDS_CLASS
 	---help---
 	Support for Corsair devices that are not fully compliant with the
 	HID standard.
@@ -189,7 +189,7 @@ config HID_CORSAIR
 
 config HID_PRODIKEYS
 	tristate "Prodikeys PC-MIDI Keyboard support"
-	depends on HID && SND
+	depends on USB_HID && SND
 	select SND_RAWMIDI
 	---help---
 	Support for Prodikeys PC-MIDI Keyboard device support.
@@ -395,7 +395,7 @@ config HID_LENOVO
 
 config HID_LOGITECH
 	tristate "Logitech devices"
-	depends on HID
+	depends on USB_HID
 	default !EXPERT
 	---help---
 	Support for Logitech devices that are not fully compliant with HID standard.
@@ -699,7 +699,7 @@ config HID_SAITEK
 
 config HID_SAMSUNG
 	tristate "Samsung InfraRed remote control or keyboards"
-	depends on HID
+	depends on USB_HID
 	---help---
 	Support for Samsung InfraRed remote control or keyboards.
 
diff --git a/drivers/hid/hid-chicony.c b/drivers/hid/hid-chicony.c
index f04ed9aabc3f..f11948ddf642 100644
--- a/drivers/hid/hid-chicony.c
+++ b/drivers/hid/hid-chicony.c
@@ -61,8 +61,12 @@ static int ch_input_mapping(struct hid_device *hdev, struct hid_input *hi,
 static __u8 *ch_switch12_report_fixup(struct hid_device *hdev, __u8 *rdesc,
 		unsigned int *rsize)
 {
-	struct usb_interface *intf = to_usb_interface(hdev->dev.parent);
-	
+	struct usb_interface *intf;
+
+	if (!hid_is_usb(hdev))
+		return rdesc;
+
+	intf = to_usb_interface(hdev->dev.parent);
 	if (intf->cur_altsetting->desc.bInterfaceNumber == 1) {
 		/* Change usage maximum and logical maximum from 0x7fff to
 		 * 0x2fff, so they don't exceed HID_MAX_USAGES */
diff --git a/drivers/hid/hid-corsair.c b/drivers/hid/hid-corsair.c
index 88be56321610..0f429034f205 100644
--- a/drivers/hid/hid-corsair.c
+++ b/drivers/hid/hid-corsair.c
@@ -551,7 +551,12 @@ static int corsair_probe(struct hid_device *dev, const struct hid_device_id *id)
 	int ret;
 	unsigned long quirks = id->driver_data;
 	struct corsair_drvdata *drvdata;
-	struct usb_interface *usbif = to_usb_interface(dev->dev.parent);
+	struct usb_interface *usbif;
+
+	if (!hid_is_usb(dev))
+		return -EINVAL;
+
+	usbif = to_usb_interface(dev->dev.parent);
 
 	drvdata = devm_kzalloc(&dev->dev, sizeof(struct corsair_drvdata),
 			       GFP_KERNEL);
diff --git a/drivers/hid/hid-elo.c b/drivers/hid/hid-elo.c
index 5eea6fe0d7bd..c3ecac13e620 100644
--- a/drivers/hid/hid-elo.c
+++ b/drivers/hid/hid-elo.c
@@ -230,6 +230,9 @@ static int elo_probe(struct hid_device *hdev, const struct hid_device_id *id)
 	struct elo_priv *priv;
 	int ret;
 
+	if (!hid_is_usb(hdev))
+		return -EINVAL;
+
 	priv = kzalloc(sizeof(*priv), GFP_KERNEL);
 	if (!priv)
 		return -ENOMEM;
diff --git a/drivers/hid/hid-holtek-kbd.c b/drivers/hid/hid-holtek-kbd.c
index ab9da597106f..2f8eb6639744 100644
--- a/drivers/hid/hid-holtek-kbd.c
+++ b/drivers/hid/hid-holtek-kbd.c
@@ -143,12 +143,17 @@ static int holtek_kbd_input_event(struct input_dev *dev, unsigned int type,
 static int holtek_kbd_probe(struct hid_device *hdev,
 		const struct hid_device_id *id)
 {
-	struct usb_interface *intf = to_usb_interface(hdev->dev.parent);
-	int ret = hid_parse(hdev);
+	struct usb_interface *intf;
+	int ret;
+
+	if (!hid_is_usb(hdev))
+		return -EINVAL;
 
+	ret = hid_parse(hdev);
 	if (!ret)
 		ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
 
+	intf = to_usb_interface(hdev->dev.parent);
 	if (!ret && intf->cur_altsetting->desc.bInterfaceNumber == 1) {
 		struct hid_input *hidinput;
 		list_for_each_entry(hidinput, &hdev->inputs, list) {
diff --git a/drivers/hid/hid-holtek-mouse.c b/drivers/hid/hid-holtek-mouse.c
index 78b3a0c76775..96db7e96fcea 100644
--- a/drivers/hid/hid-holtek-mouse.c
+++ b/drivers/hid/hid-holtek-mouse.c
@@ -65,6 +65,29 @@ static __u8 *holtek_mouse_report_fixup(struct hid_device *hdev, __u8 *rdesc,
 	return rdesc;
 }
 
+static int holtek_mouse_probe(struct hid_device *hdev,
+			      const struct hid_device_id *id)
+{
+	int ret;
+
+	if (!hid_is_usb(hdev))
+		return -EINVAL;
+
+	ret = hid_parse(hdev);
+	if (ret) {
+		hid_err(hdev, "hid parse failed: %d\n", ret);
+		return ret;
+	}
+
+	ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
+	if (ret) {
+		hid_err(hdev, "hw start failed: %d\n", ret);
+		return ret;
+	}
+
+	return 0;
+}
+
 static const struct hid_device_id holtek_mouse_devices[] = {
 	{ HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT,
 			USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A067) },
@@ -86,6 +109,7 @@ static struct hid_driver holtek_mouse_driver = {
 	.name = "holtek_mouse",
 	.id_table = holtek_mouse_devices,
 	.report_fixup = holtek_mouse_report_fixup,
+	.probe = holtek_mouse_probe,
 };
 
 module_hid_driver(holtek_mouse_driver);
diff --git a/drivers/hid/hid-lg.c b/drivers/hid/hid-lg.c
index 0fd9fc135f3d..c77e2303ba3e 100644
--- a/drivers/hid/hid-lg.c
+++ b/drivers/hid/hid-lg.c
@@ -659,12 +659,18 @@ static int lg_event(struct hid_device *hdev, struct hid_field *field,
 
 static int lg_probe(struct hid_device *hdev, const struct hid_device_id *id)
 {
-	struct usb_interface *iface = to_usb_interface(hdev->dev.parent);
-	__u8 iface_num = iface->cur_altsetting->desc.bInterfaceNumber;
+	struct usb_interface *iface;
+	__u8 iface_num;
 	unsigned int connect_mask = HID_CONNECT_DEFAULT;
 	struct lg_drv_data *drv_data;
 	int ret;
 
+	if (!hid_is_usb(hdev))
+		return -EINVAL;
+
+	iface = to_usb_interface(hdev->dev.parent);
+	iface_num = iface->cur_altsetting->desc.bInterfaceNumber;
+
 	/* G29 only work with the 1st interface */
 	if ((hdev->product == USB_DEVICE_ID_LOGITECH_G29_WHEEL) &&
 	    (iface_num != 0)) {
diff --git a/drivers/hid/hid-prodikeys.c b/drivers/hid/hid-prodikeys.c
index cba15edd47c2..e708152d3ea0 100644
--- a/drivers/hid/hid-prodikeys.c
+++ b/drivers/hid/hid-prodikeys.c
@@ -803,12 +803,18 @@ static int pk_raw_event(struct hid_device *hdev, struct hid_report *report,
 static int pk_probe(struct hid_device *hdev, const struct hid_device_id *id)
 {
 	int ret;
-	struct usb_interface *intf = to_usb_interface(hdev->dev.parent);
-	unsigned short ifnum = intf->cur_altsetting->desc.bInterfaceNumber;
+	struct usb_interface *intf;
+	unsigned short ifnum;
 	unsigned long quirks = id->driver_data;
 	struct pk_device *pk;
 	struct pcmidi_snd *pm = NULL;
 
+	if (!hid_is_usb(hdev))
+		return -EINVAL;
+
+	intf = to_usb_interface(hdev->dev.parent);
+	ifnum = intf->cur_altsetting->desc.bInterfaceNumber;
+
 	pk = kzalloc(sizeof(*pk), GFP_KERNEL);
 	if (pk == NULL) {
 		hid_err(hdev, "can't alloc descriptor\n");
diff --git a/drivers/hid/hid-roccat-arvo.c b/drivers/hid/hid-roccat-arvo.c
index 1948208fe038..58ab1d878a94 100644
--- a/drivers/hid/hid-roccat-arvo.c
+++ b/drivers/hid/hid-roccat-arvo.c
@@ -349,6 +349,9 @@ static int arvo_probe(struct hid_device *hdev,
 {
 	int retval;
 
+	if (!hid_is_usb(hdev))
+		return -EINVAL;
+
 	retval = hid_parse(hdev);
 	if (retval) {
 		hid_err(hdev, "parse failed\n");
diff --git a/drivers/hid/hid-roccat-isku.c b/drivers/hid/hid-roccat-isku.c
index bc62ed91e451..529dcc51a2be 100644
--- a/drivers/hid/hid-roccat-isku.c
+++ b/drivers/hid/hid-roccat-isku.c
@@ -329,6 +329,9 @@ static int isku_probe(struct hid_device *hdev,
 {
 	int retval;
 
+	if (!hid_is_usb(hdev))
+		return -EINVAL;
+
 	retval = hid_parse(hdev);
 	if (retval) {
 		hid_err(hdev, "parse failed\n");
diff --git a/drivers/hid/hid-roccat-kone.c b/drivers/hid/hid-roccat-kone.c
index 6c2b821c8d8b..227504764c2f 100644
--- a/drivers/hid/hid-roccat-kone.c
+++ b/drivers/hid/hid-roccat-kone.c
@@ -756,6 +756,9 @@ static int kone_probe(struct hid_device *hdev, const struct hid_device_id *id)
 {
 	int retval;
 
+	if (!hid_is_usb(hdev))
+		return -EINVAL;
+
 	retval = hid_parse(hdev);
 	if (retval) {
 		hid_err(hdev, "parse failed\n");
diff --git a/drivers/hid/hid-roccat-koneplus.c b/drivers/hid/hid-roccat-koneplus.c
index 5e99fcdc71b9..3403cc528f4e 100644
--- a/drivers/hid/hid-roccat-koneplus.c
+++ b/drivers/hid/hid-roccat-koneplus.c
@@ -438,6 +438,9 @@ static int koneplus_probe(struct hid_device *hdev,
 {
 	int retval;
 
+	if (!hid_is_usb(hdev))
+		return -EINVAL;
+
 	retval = hid_parse(hdev);
 	if (retval) {
 		hid_err(hdev, "parse failed\n");
diff --git a/drivers/hid/hid-roccat-konepure.c b/drivers/hid/hid-roccat-konepure.c
index 07de2f9014c6..ef9508822e5f 100644
--- a/drivers/hid/hid-roccat-konepure.c
+++ b/drivers/hid/hid-roccat-konepure.c
@@ -136,6 +136,9 @@ static int konepure_probe(struct hid_device *hdev,
 {
 	int retval;
 
+	if (!hid_is_usb(hdev))
+		return -EINVAL;
+
 	retval = hid_parse(hdev);
 	if (retval) {
 		hid_err(hdev, "parse failed\n");
diff --git a/drivers/hid/hid-roccat-kovaplus.c b/drivers/hid/hid-roccat-kovaplus.c
index 1073c0d1fae5..549b15ef79b9 100644
--- a/drivers/hid/hid-roccat-kovaplus.c
+++ b/drivers/hid/hid-roccat-kovaplus.c
@@ -508,6 +508,9 @@ static int kovaplus_probe(struct hid_device *hdev,
 {
 	int retval;
 
+	if (!hid_is_usb(hdev))
+		return -EINVAL;
+
 	retval = hid_parse(hdev);
 	if (retval) {
 		hid_err(hdev, "parse failed\n");
diff --git a/drivers/hid/hid-roccat-lua.c b/drivers/hid/hid-roccat-lua.c
index 65e2e76bf2fe..6a8dc17cddf2 100644
--- a/drivers/hid/hid-roccat-lua.c
+++ b/drivers/hid/hid-roccat-lua.c
@@ -163,6 +163,9 @@ static int lua_probe(struct hid_device *hdev,
 {
 	int retval;
 
+	if (!hid_is_usb(hdev))
+		return -EINVAL;
+
 	retval = hid_parse(hdev);
 	if (retval) {
 		hid_err(hdev, "parse failed\n");
diff --git a/drivers/hid/hid-roccat-pyra.c b/drivers/hid/hid-roccat-pyra.c
index 47d7e74231e5..4fed4b899da2 100644
--- a/drivers/hid/hid-roccat-pyra.c
+++ b/drivers/hid/hid-roccat-pyra.c
@@ -457,6 +457,9 @@ static int pyra_probe(struct hid_device *hdev, const struct hid_device_id *id)
 {
 	int retval;
 
+	if (!hid_is_usb(hdev))
+		return -EINVAL;
+
 	retval = hid_parse(hdev);
 	if (retval) {
 		hid_err(hdev, "parse failed\n");
diff --git a/drivers/hid/hid-roccat-ryos.c b/drivers/hid/hid-roccat-ryos.c
index 47cc8f30ff6d..fda4a396a12e 100644
--- a/drivers/hid/hid-roccat-ryos.c
+++ b/drivers/hid/hid-roccat-ryos.c
@@ -144,6 +144,9 @@ static int ryos_probe(struct hid_device *hdev,
 {
 	int retval;
 
+	if (!hid_is_usb(hdev))
+		return -EINVAL;
+
 	retval = hid_parse(hdev);
 	if (retval) {
 		hid_err(hdev, "parse failed\n");
diff --git a/drivers/hid/hid-roccat-savu.c b/drivers/hid/hid-roccat-savu.c
index 6dbf6e04dce7..0230fb54f08a 100644
--- a/drivers/hid/hid-roccat-savu.c
+++ b/drivers/hid/hid-roccat-savu.c
@@ -116,6 +116,9 @@ static int savu_probe(struct hid_device *hdev,
 {
 	int retval;
 
+	if (!hid_is_usb(hdev))
+		return -EINVAL;
+
 	retval = hid_parse(hdev);
 	if (retval) {
 		hid_err(hdev, "parse failed\n");
diff --git a/drivers/hid/hid-samsung.c b/drivers/hid/hid-samsung.c
index 7cbb067d4a9e..89bb2260367f 100644
--- a/drivers/hid/hid-samsung.c
+++ b/drivers/hid/hid-samsung.c
@@ -157,6 +157,9 @@ static int samsung_probe(struct hid_device *hdev,
 	int ret;
 	unsigned int cmask = HID_CONNECT_DEFAULT;
 
+	if (!hid_is_usb(hdev))
+		return -EINVAL;
+
 	ret = hid_parse(hdev);
 	if (ret) {
 		hid_err(hdev, "parse failed\n");
diff --git a/drivers/hid/hid-uclogic.c b/drivers/hid/hid-uclogic.c
index 85ac43517e3f..4cf0aaad5619 100644
--- a/drivers/hid/hid-uclogic.c
+++ b/drivers/hid/hid-uclogic.c
@@ -795,6 +795,9 @@ static int uclogic_tablet_enable(struct hid_device *hdev)
 	__u8 *p;
 	s32 v;
 
+	if (!hid_is_usb(hdev))
+		return -EINVAL;
+
 	/*
 	 * Read string descriptor containing tablet parameters. The specific
 	 * string descriptor and data were discovered by sniffing the Windows
diff --git a/drivers/hid/i2c-hid/i2c-hid.c b/drivers/hid/i2c-hid/i2c-hid.c
index 4248d253c32a..bd087e849090 100644
--- a/drivers/hid/i2c-hid/i2c-hid.c
+++ b/drivers/hid/i2c-hid/i2c-hid.c
@@ -789,7 +789,7 @@ static int i2c_hid_power(struct hid_device *hid, int lvl)
 	return 0;
 }
 
-static struct hid_ll_driver i2c_hid_ll_driver = {
+struct hid_ll_driver i2c_hid_ll_driver = {
 	.parse = i2c_hid_parse,
 	.start = i2c_hid_start,
 	.stop = i2c_hid_stop,
@@ -799,6 +799,7 @@ static struct hid_ll_driver i2c_hid_ll_driver = {
 	.output_report = i2c_hid_output_report,
 	.raw_request = i2c_hid_raw_request,
 };
+EXPORT_SYMBOL_GPL(i2c_hid_ll_driver);
 
 static int i2c_hid_init_irq(struct i2c_client *client)
 {
diff --git a/drivers/hid/uhid.c b/drivers/hid/uhid.c
index 672f26481f2d..042acb30d473 100644
--- a/drivers/hid/uhid.c
+++ b/drivers/hid/uhid.c
@@ -385,7 +385,7 @@ static int uhid_hid_output_report(struct hid_device *hid, __u8 *buf,
 	return uhid_hid_output_raw(hid, buf, count, HID_OUTPUT_REPORT);
 }
 
-static struct hid_ll_driver uhid_hid_driver = {
+struct hid_ll_driver uhid_hid_driver = {
 	.start = uhid_hid_start,
 	.stop = uhid_hid_stop,
 	.open = uhid_hid_open,
@@ -394,6 +394,7 @@ static struct hid_ll_driver uhid_hid_driver = {
 	.raw_request = uhid_hid_raw_request,
 	.output_report = uhid_hid_output_report,
 };
+EXPORT_SYMBOL_GPL(uhid_hid_driver);
 
 #ifdef CONFIG_COMPAT
 
diff --git a/drivers/hid/usbhid/hid-core.c b/drivers/hid/usbhid/hid-core.c
index c7da6ec4d923..90f6aa9d5eb3 100644
--- a/drivers/hid/usbhid/hid-core.c
+++ b/drivers/hid/usbhid/hid-core.c
@@ -1272,7 +1272,7 @@ static int usbhid_idle(struct hid_device *hid, int report, int idle,
 	return hid_set_idle(dev, ifnum, report, idle);
 }
 
-static struct hid_ll_driver usb_hid_driver = {
+struct hid_ll_driver usb_hid_driver = {
 	.parse = usbhid_parse,
 	.start = usbhid_start,
 	.stop = usbhid_stop,
@@ -1285,6 +1285,7 @@ static struct hid_ll_driver usb_hid_driver = {
 	.output_report = usbhid_output_report,
 	.idle = usbhid_idle,
 };
+EXPORT_SYMBOL_GPL(usb_hid_driver);
 
 static int usbhid_probe(struct usb_interface *intf, const struct usb_device_id *id)
 {
diff --git a/drivers/hid/wacom_sys.c b/drivers/hid/wacom_sys.c
index e06af5b9f59e..00afff48aaec 100644
--- a/drivers/hid/wacom_sys.c
+++ b/drivers/hid/wacom_sys.c
@@ -458,7 +458,7 @@ static void wacom_retrieve_hid_descriptor(struct hid_device *hdev,
 	 * Skip the query for this type and modify defaults based on
 	 * interface number.
 	 */
-	if (features->type == WIRELESS) {
+	if (features->type == WIRELESS && intf) {
 		if (intf->cur_altsetting->desc.bInterfaceNumber == 0)
 			features->device_type = WACOM_DEVICETYPE_WL_MONITOR;
 		else
@@ -1512,6 +1512,9 @@ static void wacom_wireless_work(struct work_struct *work)
 
 	wacom_destroy_battery(wacom);
 
+	if (!usbdev)
+		return;
+
 	/* Stylus interface */
 	hdev1 = usb_get_intfdata(usbdev->config->interface[1]);
 	wacom1 = hid_get_drvdata(hdev1);
@@ -1689,8 +1692,6 @@ static void wacom_update_name(struct wacom *wacom)
 static int wacom_probe(struct hid_device *hdev,
 		const struct hid_device_id *id)
 {
-	struct usb_interface *intf = to_usb_interface(hdev->dev.parent);
-	struct usb_device *dev = interface_to_usbdev(intf);
 	struct wacom *wacom;
 	struct wacom_wac *wacom_wac;
 	struct wacom_features *features;
@@ -1733,8 +1734,14 @@ static int wacom_probe(struct hid_device *hdev,
 		goto fail_type;
 	}
 
-	wacom->usbdev = dev;
-	wacom->intf = intf;
+	if (hid_is_usb(hdev)) {
+		struct usb_interface *intf = to_usb_interface(hdev->dev.parent);
+		struct usb_device *dev = interface_to_usbdev(intf);
+
+		wacom->usbdev = dev;
+		wacom->intf = intf;
+	}
+
 	mutex_init(&wacom->lock);
 	INIT_WORK(&wacom->work, wacom_wireless_work);
 
diff --git a/drivers/hwmon/dell-smm-hwmon.c b/drivers/hwmon/dell-smm-hwmon.c
index a9356a3dea92..da8465cf26cb 100644
--- a/drivers/hwmon/dell-smm-hwmon.c
+++ b/drivers/hwmon/dell-smm-hwmon.c
@@ -551,15 +551,18 @@ static const struct file_operations i8k_fops = {
 	.unlocked_ioctl	= i8k_ioctl,
 };
 
+static struct proc_dir_entry *entry;
+
 static void __init i8k_init_procfs(void)
 {
 	/* Register the proc entry */
-	proc_create("i8k", 0, NULL, &i8k_fops);
+	entry = proc_create("i8k", 0, NULL, &i8k_fops);
 }
 
 static void __exit i8k_exit_procfs(void)
 {
-	remove_proc_entry("i8k", NULL);
+	if (entry)
+		remove_proc_entry("i8k", NULL);
 }
 
 #else
diff --git a/drivers/hwmon/lm90.c b/drivers/hwmon/lm90.c
index c9ff08dbe10c..420f34127262 100644
--- a/drivers/hwmon/lm90.c
+++ b/drivers/hwmon/lm90.c
@@ -1209,12 +1209,11 @@ static int lm90_detect(struct i2c_client *client,
 	if (man_id < 0 || chip_id < 0 || config1 < 0 || convrate < 0)
 		return -ENODEV;
 
-	if (man_id == 0x01 || man_id == 0x5C || man_id == 0x41) {
+	if (man_id == 0x01 || man_id == 0x5C || man_id == 0xA1) {
 		config2 = i2c_smbus_read_byte_data(client, LM90_REG_R_CONFIG2);
 		if (config2 < 0)
 			return -ENODEV;
-	} else
-		config2 = 0;		/* Make compiler happy */
+	}
 
 	if ((address == 0x4C || address == 0x4D)
 	 && man_id == 0x01) { /* National Semiconductor */
diff --git a/drivers/i2c/busses/i2c-rk3x.c b/drivers/i2c/busses/i2c-rk3x.c
index 9096d17beb5b..587f1a5a1024 100644
--- a/drivers/i2c/busses/i2c-rk3x.c
+++ b/drivers/i2c/busses/i2c-rk3x.c
@@ -325,8 +325,8 @@ static void rk3x_i2c_handle_read(struct rk3x_i2c *i2c, unsigned int ipd)
 	if (!(ipd & REG_INT_MBRF))
 		return;
 
-	/* ack interrupt */
-	i2c_writel(i2c, REG_INT_MBRF, REG_IPD);
+	/* ack interrupt (read also produces a spurious START flag, clear it too) */
+	i2c_writel(i2c, REG_INT_MBRF | REG_INT_START, REG_IPD);
 
 	/* Can only handle a maximum of 32 bytes at a time */
 	if (len > 32)
diff --git a/drivers/iio/accel/kxcjk-1013.c b/drivers/iio/accel/kxcjk-1013.c
index 0667b2875ee4..d139073ea48f 100644
--- a/drivers/iio/accel/kxcjk-1013.c
+++ b/drivers/iio/accel/kxcjk-1013.c
@@ -1284,8 +1284,7 @@ static int kxcjk1013_probe(struct i2c_client *client,
 err_iio_unregister:
 	iio_device_unregister(indio_dev);
 err_buffer_cleanup:
-	if (data->dready_trig)
-		iio_triggered_buffer_cleanup(indio_dev);
+	iio_triggered_buffer_cleanup(indio_dev);
 err_trigger_unregister:
 	if (data->dready_trig)
 		iio_trigger_unregister(data->dready_trig);
@@ -1308,8 +1307,8 @@ static int kxcjk1013_remove(struct i2c_client *client)
 
 	iio_device_unregister(indio_dev);
 
+	iio_triggered_buffer_cleanup(indio_dev);
 	if (data->dready_trig) {
-		iio_triggered_buffer_cleanup(indio_dev);
 		iio_trigger_unregister(data->dready_trig);
 		iio_trigger_unregister(data->motion_trig);
 	}
diff --git a/drivers/iio/accel/mma8452.c b/drivers/iio/accel/mma8452.c
index d44c1b3a131c..cc9b9344e208 100644
--- a/drivers/iio/accel/mma8452.c
+++ b/drivers/iio/accel/mma8452.c
@@ -1011,7 +1011,7 @@ static int mma8452_trigger_setup(struct iio_dev *indio_dev)
 	if (ret)
 		return ret;
 
-	indio_dev->trig = trig;
+	indio_dev->trig = iio_trigger_get(trig);
 
 	return 0;
 }
diff --git a/drivers/iio/gyro/itg3200_buffer.c b/drivers/iio/gyro/itg3200_buffer.c
index e04483254b28..7157b1a731a6 100644
--- a/drivers/iio/gyro/itg3200_buffer.c
+++ b/drivers/iio/gyro/itg3200_buffer.c
@@ -64,9 +64,9 @@ static irqreturn_t itg3200_trigger_handler(int irq, void *p)
 
 	iio_push_to_buffers_with_timestamp(indio_dev, &scan, pf->timestamp);
 
+error_ret:
 	iio_trigger_notify_done(indio_dev->trig);
 
-error_ret:
 	return IRQ_HANDLED;
 }
 
diff --git a/drivers/iio/light/ltr501.c b/drivers/iio/light/ltr501.c
index 111552b336fe..26bd0983fa06 100644
--- a/drivers/iio/light/ltr501.c
+++ b/drivers/iio/light/ltr501.c
@@ -1248,7 +1248,7 @@ static irqreturn_t ltr501_trigger_handler(int irq, void *p)
 		ret = regmap_bulk_read(data->regmap, LTR501_ALS_DATA1,
 				       (u8 *)als_buf, sizeof(als_buf));
 		if (ret < 0)
-			return ret;
+			goto done;
 		if (test_bit(0, indio_dev->active_scan_mask))
 			scan.channels[j++] = le16_to_cpu(als_buf[1]);
 		if (test_bit(1, indio_dev->active_scan_mask))
diff --git a/drivers/iio/light/stk3310.c b/drivers/iio/light/stk3310.c
index 42d334ba612e..8197af263b80 100644
--- a/drivers/iio/light/stk3310.c
+++ b/drivers/iio/light/stk3310.c
@@ -547,9 +547,8 @@ static irqreturn_t stk3310_irq_event_handler(int irq, void *private)
 	mutex_lock(&data->lock);
 	ret = regmap_field_read(data->reg_flag_nf, &dir);
 	if (ret < 0) {
-		dev_err(&data->client->dev, "register read failed\n");
-		mutex_unlock(&data->lock);
-		return ret;
+		dev_err(&data->client->dev, "register read failed: %d\n", ret);
+		goto out;
 	}
 	event = IIO_UNMOD_EVENT_CODE(IIO_PROXIMITY, 1,
 				     IIO_EV_TYPE_THRESH,
@@ -561,6 +560,7 @@ static irqreturn_t stk3310_irq_event_handler(int irq, void *private)
 	ret = regmap_field_write(data->reg_flag_psint, 0);
 	if (ret < 0)
 		dev_err(&data->client->dev, "failed to reset interrupts\n");
+out:
 	mutex_unlock(&data->lock);
 
 	return IRQ_HANDLED;
diff --git a/drivers/infiniband/hw/qib/qib_user_sdma.c b/drivers/infiniband/hw/qib/qib_user_sdma.c
index 0dc15f95e762..2d0b992579d6 100644
--- a/drivers/infiniband/hw/qib/qib_user_sdma.c
+++ b/drivers/infiniband/hw/qib/qib_user_sdma.c
@@ -946,7 +946,7 @@ static int qib_user_sdma_queue_pkts(const struct qib_devdata *dd,
 					       &addrlimit) ||
 			    addrlimit > type_max(typeof(pkt->addrlimit))) {
 				ret = -EINVAL;
-				goto free_pbc;
+				goto free_pkt;
 			}
 			pkt->addrlimit = addrlimit;
 
diff --git a/drivers/input/joystick/spaceball.c b/drivers/input/joystick/spaceball.c
index f4445a4e8d6a..cfa1be4ad868 100644
--- a/drivers/input/joystick/spaceball.c
+++ b/drivers/input/joystick/spaceball.c
@@ -35,6 +35,7 @@
 #include <linux/module.h>
 #include <linux/input.h>
 #include <linux/serio.h>
+#include <asm/unaligned.h>
 
 #define DRIVER_DESC	"SpaceTec SpaceBall 2003/3003/4000 FLX driver"
 
@@ -91,9 +92,15 @@ static void spaceball_process_packet(struct spaceball* spaceball)
 
 		case 'D':					/* Ball data */
 			if (spaceball->idx != 15) return;
-			for (i = 0; i < 6; i++)
+			/*
+			 * Skip first three bytes; read six axes worth of data.
+			 * Axis values are signed 16-bit big-endian.
+			 */
+			data += 3;
+			for (i = 0; i < ARRAY_SIZE(spaceball_axes); i++) {
 				input_report_abs(dev, spaceball_axes[i],
-					(__s16)((data[2 * i + 3] << 8) | data[2 * i + 2]));
+					(__s16)get_unaligned_be16(&data[i * 2]));
+			}
 			break;
 
 		case 'K':					/* Button data */
diff --git a/drivers/input/mouse/appletouch.c b/drivers/input/mouse/appletouch.c
index ef234c9b2f2f..11773838a34d 100644
--- a/drivers/input/mouse/appletouch.c
+++ b/drivers/input/mouse/appletouch.c
@@ -929,6 +929,8 @@ static int atp_probe(struct usb_interface *iface,
 	set_bit(BTN_TOOL_TRIPLETAP, input_dev->keybit);
 	set_bit(BTN_LEFT, input_dev->keybit);
 
+	INIT_WORK(&dev->work, atp_reinit);
+
 	error = input_register_device(dev->input);
 	if (error)
 		goto err_free_buffer;
@@ -936,8 +938,6 @@ static int atp_probe(struct usb_interface *iface,
 	/* save our data pointer in this interface device */
 	usb_set_intfdata(iface, dev);
 
-	INIT_WORK(&dev->work, atp_reinit);
-
 	return 0;
 
  err_free_buffer:
diff --git a/drivers/input/touchscreen/of_touchscreen.c b/drivers/input/touchscreen/of_touchscreen.c
index bb6f2fe14667..490f3055aec3 100644
--- a/drivers/input/touchscreen/of_touchscreen.c
+++ b/drivers/input/touchscreen/of_touchscreen.c
@@ -75,8 +75,8 @@ void touchscreen_parse_properties(struct input_dev *input, bool multitouch)
 	data_present = touchscreen_get_prop_u32(dev, "touchscreen-size-x",
 						input_abs_get_max(input,
 								  axis) + 1,
-						&maximum) |
-		       touchscreen_get_prop_u32(dev, "touchscreen-fuzz-x",
+						&maximum);
+	data_present |= touchscreen_get_prop_u32(dev, "touchscreen-fuzz-x",
 						input_abs_get_fuzz(input, axis),
 						&fuzz);
 	if (data_present)
@@ -86,8 +86,8 @@ void touchscreen_parse_properties(struct input_dev *input, bool multitouch)
 	data_present = touchscreen_get_prop_u32(dev, "touchscreen-size-y",
 						input_abs_get_max(input,
 								  axis) + 1,
-						&maximum) |
-		       touchscreen_get_prop_u32(dev, "touchscreen-fuzz-y",
+						&maximum);
+	data_present |= touchscreen_get_prop_u32(dev, "touchscreen-fuzz-y",
 						input_abs_get_fuzz(input, axis),
 						&fuzz);
 	if (data_present)
@@ -97,11 +97,11 @@ void touchscreen_parse_properties(struct input_dev *input, bool multitouch)
 	data_present = touchscreen_get_prop_u32(dev,
 						"touchscreen-max-pressure",
 						input_abs_get_max(input, axis),
-						&maximum) |
-		       touchscreen_get_prop_u32(dev,
-						"touchscreen-fuzz-pressure",
-						input_abs_get_fuzz(input, axis),
-						&fuzz);
+						&maximum);
+	data_present |= touchscreen_get_prop_u32(dev,
+						 "touchscreen-fuzz-pressure",
+						 input_abs_get_fuzz(input, axis),
+						 &fuzz);
 	if (data_present)
 		touchscreen_set_params(input, axis, maximum, fuzz);
 }
diff --git a/drivers/irqchip/irq-gic-v3-its.c b/drivers/irqchip/irq-gic-v3-its.c
index d4ae43f71e72..fee7c6f3e971 100644
--- a/drivers/irqchip/irq-gic-v3-its.c
+++ b/drivers/irqchip/irq-gic-v3-its.c
@@ -356,7 +356,7 @@ static struct its_collection *its_build_invall_cmd(struct its_cmd_block *cmd,
 
 	its_fixup_cmd(cmd);
 
-	return NULL;
+	return desc->its_invall_cmd.col;
 }
 
 static u64 its_cmd_ptr_to_offset(struct its_node *its,
diff --git a/drivers/irqchip/irq-nvic.c b/drivers/irqchip/irq-nvic.c
index b1777104fd9f..9694529b709d 100644
--- a/drivers/irqchip/irq-nvic.c
+++ b/drivers/irqchip/irq-nvic.c
@@ -29,7 +29,7 @@
 
 #define NVIC_ISER		0x000
 #define NVIC_ICER		0x080
-#define NVIC_IPR		0x300
+#define NVIC_IPR		0x400
 
 #define NVIC_MAX_BANKS		16
 /*
diff --git a/drivers/isdn/mISDN/core.c b/drivers/isdn/mISDN/core.c
index faf505462a4f..f5a06a6fb297 100644
--- a/drivers/isdn/mISDN/core.c
+++ b/drivers/isdn/mISDN/core.c
@@ -390,7 +390,7 @@ mISDNInit(void)
 	err = mISDN_inittimer(&debug);
 	if (err)
 		goto error2;
-	err = l1_init(&debug);
+	err = Isdnl1_Init(&debug);
 	if (err)
 		goto error3;
 	err = Isdnl2_Init(&debug);
@@ -404,7 +404,7 @@ mISDNInit(void)
 error5:
 	Isdnl2_cleanup();
 error4:
-	l1_cleanup();
+	Isdnl1_cleanup();
 error3:
 	mISDN_timer_cleanup();
 error2:
@@ -417,7 +417,7 @@ static void mISDN_cleanup(void)
 {
 	misdn_sock_cleanup();
 	Isdnl2_cleanup();
-	l1_cleanup();
+	Isdnl1_cleanup();
 	mISDN_timer_cleanup();
 	class_unregister(&mISDN_class);
 
diff --git a/drivers/isdn/mISDN/core.h b/drivers/isdn/mISDN/core.h
index 52695bb81ee7..3c039b6ade2e 100644
--- a/drivers/isdn/mISDN/core.h
+++ b/drivers/isdn/mISDN/core.h
@@ -69,8 +69,8 @@ struct Bprotocol	*get_Bprotocol4id(u_int);
 extern int	mISDN_inittimer(u_int *);
 extern void	mISDN_timer_cleanup(void);
 
-extern int	l1_init(u_int *);
-extern void	l1_cleanup(void);
+extern int	Isdnl1_Init(u_int *);
+extern void	Isdnl1_cleanup(void);
 extern int	Isdnl2_Init(u_int *);
 extern void	Isdnl2_cleanup(void);
 
diff --git a/drivers/isdn/mISDN/layer1.c b/drivers/isdn/mISDN/layer1.c
index bebc57b72138..94d7cc58da64 100644
--- a/drivers/isdn/mISDN/layer1.c
+++ b/drivers/isdn/mISDN/layer1.c
@@ -407,7 +407,7 @@ create_l1(struct dchannel *dch, dchannel_l1callback *dcb) {
 EXPORT_SYMBOL(create_l1);
 
 int
-l1_init(u_int *deb)
+Isdnl1_Init(u_int *deb)
 {
 	debug = deb;
 	l1fsm_s.state_count = L1S_STATE_COUNT;
@@ -419,7 +419,7 @@ l1_init(u_int *deb)
 }
 
 void
-l1_cleanup(void)
+Isdnl1_cleanup(void)
 {
 	mISDN_FsmFree(&l1fsm_s);
 }
diff --git a/drivers/md/persistent-data/dm-btree-remove.c b/drivers/md/persistent-data/dm-btree-remove.c
index 9e4d1212f4c1..63f2baed3c8a 100644
--- a/drivers/md/persistent-data/dm-btree-remove.c
+++ b/drivers/md/persistent-data/dm-btree-remove.c
@@ -423,9 +423,9 @@ static int rebalance_children(struct shadow_spine *s,
 
 		memcpy(n, dm_block_data(child),
 		       dm_bm_block_size(dm_tm_get_bm(info->tm)));
-		dm_tm_unlock(info->tm, child);
 
 		dm_tm_dec(info->tm, dm_block_location(child));
+		dm_tm_unlock(info->tm, child);
 		return 0;
 	}
 
diff --git a/drivers/net/bonding/bond_options.c b/drivers/net/bonding/bond_options.c
index 1022e80aaf97..1d95a83d2bae 100644
--- a/drivers/net/bonding/bond_options.c
+++ b/drivers/net/bonding/bond_options.c
@@ -1407,7 +1407,7 @@ static int bond_option_ad_actor_system_set(struct bonding *bond,
 		mac = (u8 *)&newval->value;
 	}
 
-	if (!is_valid_ether_addr(mac))
+	if (is_multicast_ether_addr(mac))
 		goto err;
 
 	netdev_info(bond->dev, "Setting ad_actor_system to %pM\n", mac);
diff --git a/drivers/net/can/pch_can.c b/drivers/net/can/pch_can.c
index c1317889d3d8..ced11ea89269 100644
--- a/drivers/net/can/pch_can.c
+++ b/drivers/net/can/pch_can.c
@@ -703,11 +703,11 @@ static int pch_can_rx_normal(struct net_device *ndev, u32 obj_num, int quota)
 			cf->data[i + 1] = data_reg >> 8;
 		}
 
-		netif_receive_skb(skb);
 		rcv_pkts++;
 		stats->rx_packets++;
 		quota--;
 		stats->rx_bytes += cf->can_dlc;
+		netif_receive_skb(skb);
 
 		pch_fifo_thresh(priv, obj_num);
 		obj_num++;
diff --git a/drivers/net/can/sja1000/ems_pcmcia.c b/drivers/net/can/sja1000/ems_pcmcia.c
index 381de998d2f1..fef5c59c0f4c 100644
--- a/drivers/net/can/sja1000/ems_pcmcia.c
+++ b/drivers/net/can/sja1000/ems_pcmcia.c
@@ -243,7 +243,12 @@ static int ems_pcmcia_add_card(struct pcmcia_device *pdev, unsigned long base)
 			free_sja1000dev(dev);
 	}
 
-	err = request_irq(dev->irq, &ems_pcmcia_interrupt, IRQF_SHARED,
+	if (!card->channels) {
+		err = -ENODEV;
+		goto failure_cleanup;
+	}
+
+	err = request_irq(pdev->irq, &ems_pcmcia_interrupt, IRQF_SHARED,
 			  DRV_NAME, card);
 	if (!err)
 		return 0;
diff --git a/drivers/net/can/usb/kvaser_usb.c b/drivers/net/can/usb/kvaser_usb.c
index 9991ee93735a..81abb30d9ec0 100644
--- a/drivers/net/can/usb/kvaser_usb.c
+++ b/drivers/net/can/usb/kvaser_usb.c
@@ -31,7 +31,10 @@
 #define USB_SEND_TIMEOUT		1000 /* msecs */
 #define USB_RECV_TIMEOUT		1000 /* msecs */
 #define RX_BUFFER_SIZE			3072
-#define CAN_USB_CLOCK			8000000
+#define KVASER_USB_CAN_CLOCK_8MHZ	8000000
+#define KVASER_USB_CAN_CLOCK_16MHZ	16000000
+#define KVASER_USB_CAN_CLOCK_24MHZ	24000000
+#define KVASER_USB_CAN_CLOCK_32MHZ	32000000
 #define MAX_NET_DEVICES			3
 #define MAX_USBCAN_NET_DEVICES		2
 
@@ -139,6 +142,12 @@ static inline bool kvaser_is_usbcan(const struct usb_device_id *id)
 #define CMD_LEAF_USB_THROTTLE		77
 #define CMD_LEAF_LOG_MESSAGE		106
 
+/* Leaf frequency options */
+#define KVASER_USB_LEAF_SWOPTION_FREQ_MASK 0x60
+#define KVASER_USB_LEAF_SWOPTION_FREQ_16_MHZ_CLK 0
+#define KVASER_USB_LEAF_SWOPTION_FREQ_32_MHZ_CLK BIT(5)
+#define KVASER_USB_LEAF_SWOPTION_FREQ_24_MHZ_CLK BIT(6)
+
 /* error factors */
 #define M16C_EF_ACKE			BIT(0)
 #define M16C_EF_CRCE			BIT(1)
@@ -469,6 +478,8 @@ struct kvaser_usb {
 	bool rxinitdone;
 	void *rxbuf[MAX_RX_URBS];
 	dma_addr_t rxbuf_dma[MAX_RX_URBS];
+
+	struct can_clock clock;
 };
 
 struct kvaser_usb_net_priv {
@@ -646,6 +657,27 @@ static int kvaser_usb_send_simple_msg(const struct kvaser_usb *dev,
 	return rc;
 }
 
+static void kvaser_usb_get_software_info_leaf(struct kvaser_usb *dev,
+					      const struct leaf_msg_softinfo *softinfo)
+{
+	u32 sw_options = le32_to_cpu(softinfo->sw_options);
+
+	dev->fw_version = le32_to_cpu(softinfo->fw_version);
+	dev->max_tx_urbs = le16_to_cpu(softinfo->max_outstanding_tx);
+
+	switch (sw_options & KVASER_USB_LEAF_SWOPTION_FREQ_MASK) {
+	case KVASER_USB_LEAF_SWOPTION_FREQ_16_MHZ_CLK:
+		dev->clock.freq = KVASER_USB_CAN_CLOCK_16MHZ;
+		break;
+	case KVASER_USB_LEAF_SWOPTION_FREQ_24_MHZ_CLK:
+		dev->clock.freq = KVASER_USB_CAN_CLOCK_24MHZ;
+		break;
+	case KVASER_USB_LEAF_SWOPTION_FREQ_32_MHZ_CLK:
+		dev->clock.freq = KVASER_USB_CAN_CLOCK_32MHZ;
+		break;
+	}
+}
+
 static int kvaser_usb_get_software_info(struct kvaser_usb *dev)
 {
 	struct kvaser_msg msg;
@@ -661,14 +693,13 @@ static int kvaser_usb_get_software_info(struct kvaser_usb *dev)
 
 	switch (dev->family) {
 	case KVASER_LEAF:
-		dev->fw_version = le32_to_cpu(msg.u.leaf.softinfo.fw_version);
-		dev->max_tx_urbs =
-			le16_to_cpu(msg.u.leaf.softinfo.max_outstanding_tx);
+		kvaser_usb_get_software_info_leaf(dev, &msg.u.leaf.softinfo);
 		break;
 	case KVASER_USBCAN:
 		dev->fw_version = le32_to_cpu(msg.u.usbcan.softinfo.fw_version);
 		dev->max_tx_urbs =
 			le16_to_cpu(msg.u.usbcan.softinfo.max_outstanding_tx);
+		dev->clock.freq = KVASER_USB_CAN_CLOCK_8MHZ;
 		break;
 	}
 
@@ -1925,7 +1956,7 @@ static int kvaser_usb_init_one(struct usb_interface *intf,
 	kvaser_usb_reset_tx_urb_contexts(priv);
 
 	priv->can.state = CAN_STATE_STOPPED;
-	priv->can.clock.freq = CAN_USB_CLOCK;
+	priv->can.clock.freq = dev->clock.freq;
 	priv->can.bittiming_const = &kvaser_usb_bittiming_const;
 	priv->can.do_set_bittiming = kvaser_usb_set_bittiming;
 	priv->can.do_set_mode = kvaser_usb_set_mode;
diff --git a/drivers/net/ethernet/altera/altera_tse_main.c b/drivers/net/ethernet/altera/altera_tse_main.c
index bb51f124d8c7..dbd5cbc0a0a9 100644
--- a/drivers/net/ethernet/altera/altera_tse_main.c
+++ b/drivers/net/ethernet/altera/altera_tse_main.c
@@ -1383,16 +1383,19 @@ static int altera_tse_probe(struct platform_device *pdev)
 		priv->rxdescmem_busaddr = dma_res->start;
 
 	} else {
+		ret = -ENODEV;
 		goto err_free_netdev;
 	}
 
-	if (!dma_set_mask(priv->device, DMA_BIT_MASK(priv->dmaops->dmamask)))
+	if (!dma_set_mask(priv->device, DMA_BIT_MASK(priv->dmaops->dmamask))) {
 		dma_set_coherent_mask(priv->device,
 				      DMA_BIT_MASK(priv->dmaops->dmamask));
-	else if (!dma_set_mask(priv->device, DMA_BIT_MASK(32)))
+	} else if (!dma_set_mask(priv->device, DMA_BIT_MASK(32))) {
 		dma_set_coherent_mask(priv->device, DMA_BIT_MASK(32));
-	else
+	} else {
+		ret = -EIO;
 		goto err_free_netdev;
+	}
 
 	/* MAC address space */
 	ret = request_and_map(pdev, "control_port", &control_port,
diff --git a/drivers/net/ethernet/broadcom/bcmsysport.c b/drivers/net/ethernet/broadcom/bcmsysport.c
index 94f06c35ad9c..c76102754c22 100644
--- a/drivers/net/ethernet/broadcom/bcmsysport.c
+++ b/drivers/net/ethernet/broadcom/bcmsysport.c
@@ -90,9 +90,13 @@ static inline void tdma_port_write_desc_addr(struct bcm_sysport_priv *priv,
 					     struct dma_desc *desc,
 					     unsigned int port)
 {
+	unsigned long desc_flags;
+
 	/* Ports are latched, so write upper address first */
+	spin_lock_irqsave(&priv->desc_lock, desc_flags);
 	tdma_writel(priv, desc->addr_status_len, TDMA_WRITE_PORT_HI(port));
 	tdma_writel(priv, desc->addr_lo, TDMA_WRITE_PORT_LO(port));
+	spin_unlock_irqrestore(&priv->desc_lock, desc_flags);
 }
 
 /* Ethtool operations */
@@ -1608,6 +1612,7 @@ static int bcm_sysport_open(struct net_device *dev)
 	}
 
 	/* Initialize both hardware and software ring */
+	spin_lock_init(&priv->desc_lock);
 	for (i = 0; i < dev->num_tx_queues; i++) {
 		ret = bcm_sysport_init_tx_ring(priv, i);
 		if (ret) {
diff --git a/drivers/net/ethernet/broadcom/bcmsysport.h b/drivers/net/ethernet/broadcom/bcmsysport.h
index e668b1ce5828..bb484c7faf67 100644
--- a/drivers/net/ethernet/broadcom/bcmsysport.h
+++ b/drivers/net/ethernet/broadcom/bcmsysport.h
@@ -660,6 +660,7 @@ struct bcm_sysport_priv {
 	int			wol_irq;
 
 	/* Transmit rings */
+	spinlock_t		desc_lock;
 	struct bcm_sysport_tx_ring tx_rings[TDMA_NUM_RINGS];
 
 	/* Receive queue */
diff --git a/drivers/net/ethernet/freescale/fec.h b/drivers/net/ethernet/freescale/fec.h
index 99d33e2d35e6..7bbf85e98974 100644
--- a/drivers/net/ethernet/freescale/fec.h
+++ b/drivers/net/ethernet/freescale/fec.h
@@ -360,6 +360,9 @@ struct bufdesc_ex {
 #define FEC_ENET_WAKEUP	((uint)0x00020000)	/* Wakeup request */
 #define FEC_ENET_TXF	(FEC_ENET_TXF_0 | FEC_ENET_TXF_1 | FEC_ENET_TXF_2)
 #define FEC_ENET_RXF	(FEC_ENET_RXF_0 | FEC_ENET_RXF_1 | FEC_ENET_RXF_2)
+#define FEC_ENET_RXF_GET(X)	(((X) == 0) ? FEC_ENET_RXF_0 :	\
+				(((X) == 1) ? FEC_ENET_RXF_1 :	\
+				FEC_ENET_RXF_2))
 #define FEC_ENET_TS_AVAIL       ((uint)0x00010000)
 #define FEC_ENET_TS_TIMER       ((uint)0x00008000)
 
diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c
index 9c608211fcfd..61ab471de4bb 100644
--- a/drivers/net/ethernet/freescale/fec_main.c
+++ b/drivers/net/ethernet/freescale/fec_main.c
@@ -1407,7 +1407,7 @@ fec_enet_rx_queue(struct net_device *ndev, int budget, u16 queue_id)
 		if ((status & BD_ENET_RX_LAST) == 0)
 			netdev_err(ndev, "rcv is not +last\n");
 
-		writel(FEC_ENET_RXF, fep->hwp + FEC_IEVENT);
+		writel(FEC_ENET_RXF_GET(queue_id), fep->hwp + FEC_IEVENT);
 
 		/* Check for errors. */
 		if (status & (BD_ENET_RX_LG | BD_ENET_RX_SH | BD_ENET_RX_NO |
diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c
index 2137c4e7289e..e58db67495d7 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_main.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_main.c
@@ -5361,6 +5361,27 @@ int i40e_open(struct net_device *netdev)
 }
 
 /**
+ * i40e_netif_set_realnum_tx_rx_queues - Update number of tx/rx queues
+ * @vsi: vsi structure
+ *
+ * This updates netdev's number of tx/rx queues
+ *
+ * Returns status of setting tx/rx queues
+ **/
+static int i40e_netif_set_realnum_tx_rx_queues(struct i40e_vsi *vsi)
+{
+	int ret;
+
+	ret = netif_set_real_num_rx_queues(vsi->netdev,
+					   vsi->num_queue_pairs);
+	if (ret)
+		return ret;
+
+	return netif_set_real_num_tx_queues(vsi->netdev,
+					    vsi->num_queue_pairs);
+}
+
+/**
  * i40e_vsi_open -
  * @vsi: the VSI to open
  *
@@ -5394,13 +5415,7 @@ int i40e_vsi_open(struct i40e_vsi *vsi)
 			goto err_setup_rx;
 
 		/* Notify the stack of the actual queue counts. */
-		err = netif_set_real_num_tx_queues(vsi->netdev,
-						   vsi->num_queue_pairs);
-		if (err)
-			goto err_set_queues;
-
-		err = netif_set_real_num_rx_queues(vsi->netdev,
-						   vsi->num_queue_pairs);
+		err = i40e_netif_set_realnum_tx_rx_queues(vsi);
 		if (err)
 			goto err_set_queues;
 
@@ -9415,6 +9430,9 @@ struct i40e_vsi *i40e_vsi_setup(struct i40e_pf *pf, u8 type,
 		ret = i40e_config_netdev(vsi);
 		if (ret)
 			goto err_netdev;
+		ret = i40e_netif_set_realnum_tx_rx_queues(vsi);
+		if (ret)
+			goto err_netdev;
 		ret = register_netdev(vsi->netdev);
 		if (ret)
 			goto err_netdev;
diff --git a/drivers/net/ethernet/intel/igbvf/netdev.c b/drivers/net/ethernet/intel/igbvf/netdev.c
index 519b72c41888..ab080118201d 100644
--- a/drivers/net/ethernet/intel/igbvf/netdev.c
+++ b/drivers/net/ethernet/intel/igbvf/netdev.c
@@ -2793,6 +2793,7 @@ static int igbvf_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 	return 0;
 
 err_hw_init:
+	netif_napi_del(&adapter->rx_ring->napi);
 	kfree(adapter->tx_ring);
 	kfree(adapter->rx_ring);
 err_sw_init:
diff --git a/drivers/net/ethernet/qlogic/qla3xxx.c b/drivers/net/ethernet/qlogic/qla3xxx.c
index cb9d43c871c4..147effc16316 100644
--- a/drivers/net/ethernet/qlogic/qla3xxx.c
+++ b/drivers/net/ethernet/qlogic/qla3xxx.c
@@ -3491,20 +3491,19 @@ static int ql_adapter_up(struct ql3_adapter *qdev)
 
 	spin_lock_irqsave(&qdev->hw_lock, hw_flags);
 
-	err = ql_wait_for_drvr_lock(qdev);
-	if (err) {
-		err = ql_adapter_initialize(qdev);
-		if (err) {
-			netdev_err(ndev, "Unable to initialize adapter\n");
-			goto err_init;
-		}
-		netdev_err(ndev, "Releasing driver lock\n");
-		ql_sem_unlock(qdev, QL_DRVR_SEM_MASK);
-	} else {
+	if (!ql_wait_for_drvr_lock(qdev)) {
 		netdev_err(ndev, "Could not acquire driver lock\n");
+		err = -ENODEV;
 		goto err_lock;
 	}
 
+	err = ql_adapter_initialize(qdev);
+	if (err) {
+		netdev_err(ndev, "Unable to initialize adapter\n");
+		goto err_init;
+	}
+	ql_sem_unlock(qdev, QL_DRVR_SEM_MASK);
+
 	spin_unlock_irqrestore(&qdev->hw_lock, hw_flags);
 
 	set_bit(QL_ADAPTER_UP, &qdev->flags);
diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov.h b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov.h
index 017d8c2c8285..aab2db76d9ed 100644
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov.h
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov.h
@@ -201,7 +201,7 @@ int qlcnic_sriov_get_vf_vport_info(struct qlcnic_adapter *,
 				   struct qlcnic_info *, u16);
 int qlcnic_sriov_cfg_vf_guest_vlan(struct qlcnic_adapter *, u16, u8);
 void qlcnic_sriov_free_vlans(struct qlcnic_adapter *);
-void qlcnic_sriov_alloc_vlans(struct qlcnic_adapter *);
+int qlcnic_sriov_alloc_vlans(struct qlcnic_adapter *);
 bool qlcnic_sriov_check_any_vlan(struct qlcnic_vf_info *);
 void qlcnic_sriov_del_vlan_id(struct qlcnic_sriov *,
 			      struct qlcnic_vf_info *, u16);
diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_common.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_common.c
index ffa6885acfc8..03e24fcf87a8 100644
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_common.c
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_common.c
@@ -427,7 +427,7 @@ static int qlcnic_sriov_set_guest_vlan_mode(struct qlcnic_adapter *adapter,
 					    struct qlcnic_cmd_args *cmd)
 {
 	struct qlcnic_sriov *sriov = adapter->ahw->sriov;
-	int i, num_vlans;
+	int i, num_vlans, ret;
 	u16 *vlans;
 
 	if (sriov->allowed_vlans)
@@ -438,7 +438,9 @@ static int qlcnic_sriov_set_guest_vlan_mode(struct qlcnic_adapter *adapter,
 	dev_info(&adapter->pdev->dev, "Number of allowed Guest VLANs = %d\n",
 		 sriov->num_allowed_vlans);
 
-	qlcnic_sriov_alloc_vlans(adapter);
+	ret = qlcnic_sriov_alloc_vlans(adapter);
+	if (ret)
+		return ret;
 
 	if (!sriov->any_vlan)
 		return 0;
@@ -2147,7 +2149,7 @@ static int qlcnic_sriov_vf_resume(struct qlcnic_adapter *adapter)
 	return err;
 }
 
-void qlcnic_sriov_alloc_vlans(struct qlcnic_adapter *adapter)
+int qlcnic_sriov_alloc_vlans(struct qlcnic_adapter *adapter)
 {
 	struct qlcnic_sriov *sriov = adapter->ahw->sriov;
 	struct qlcnic_vf_info *vf;
@@ -2157,7 +2159,11 @@ void qlcnic_sriov_alloc_vlans(struct qlcnic_adapter *adapter)
 		vf = &sriov->vf_info[i];
 		vf->sriov_vlans = kcalloc(sriov->num_allowed_vlans,
 					  sizeof(*vf->sriov_vlans), GFP_KERNEL);
+		if (!vf->sriov_vlans)
+			return -ENOMEM;
 	}
+
+	return 0;
 }
 
 void qlcnic_sriov_free_vlans(struct qlcnic_adapter *adapter)
diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_pf.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_pf.c
index afd687e5e779..238a0e58342f 100644
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_pf.c
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_pf.c
@@ -598,7 +598,9 @@ static int __qlcnic_pci_sriov_enable(struct qlcnic_adapter *adapter,
 	if (err)
 		goto del_flr_queue;
 
-	qlcnic_sriov_alloc_vlans(adapter);
+	err = qlcnic_sriov_alloc_vlans(adapter);
+	if (err)
+		goto del_flr_queue;
 
 	return err;
 
diff --git a/drivers/net/ethernet/smsc/smc911x.c b/drivers/net/ethernet/smsc/smc911x.c
index 0be9c74238fd..092267d8a86d 100644
--- a/drivers/net/ethernet/smsc/smc911x.c
+++ b/drivers/net/ethernet/smsc/smc911x.c
@@ -2057,6 +2057,11 @@ static int smc911x_drv_probe(struct platform_device *pdev)
 
 	ndev->dma = (unsigned char)-1;
 	ndev->irq = platform_get_irq(pdev, 0);
+	if (ndev->irq < 0) {
+		ret = ndev->irq;
+		goto release_both;
+	}
+
 	lp = netdev_priv(ndev);
 	lp->netdev = ndev;
 #ifdef SMC_DYNAMIC_BUS_CONFIG
diff --git a/drivers/net/hamradio/mkiss.c b/drivers/net/hamradio/mkiss.c
index 078eb110381c..8249da1db53d 100644
--- a/drivers/net/hamradio/mkiss.c
+++ b/drivers/net/hamradio/mkiss.c
@@ -803,13 +803,14 @@ static void mkiss_close(struct tty_struct *tty)
 	 */
 	netif_stop_queue(ax->dev);
 
-	/* Free all AX25 frame buffers. */
+	unregister_netdev(ax->dev);
+
+	/* Free all AX25 frame buffers after unreg. */
 	kfree(ax->rbuff);
 	kfree(ax->xbuff);
 
 	ax->tty = NULL;
 
-	unregister_netdev(ax->dev);
 	free_netdev(ax->dev);
 }
 
diff --git a/drivers/net/ieee802154/atusb.c b/drivers/net/ieee802154/atusb.c
index 9b3ab60c3556..eb68a66538f7 100644
--- a/drivers/net/ieee802154/atusb.c
+++ b/drivers/net/ieee802154/atusb.c
@@ -77,7 +77,9 @@ static int atusb_control_msg(struct atusb *atusb, unsigned int pipe,
 
 	ret = usb_control_msg(usb_dev, pipe, request, requesttype,
 			      value, index, data, size, timeout);
-	if (ret < 0) {
+	if (ret < size) {
+		ret = ret < 0 ? ret : -ENODATA;
+
 		atusb->err = ret;
 		dev_err(&usb_dev->dev,
 			"atusb_control_msg: req 0x%02x val 0x%x idx 0x%x, error %d\n",
@@ -567,9 +569,9 @@ static int atusb_get_and_show_build(struct atusb *atusb)
 	if (!build)
 		return -ENOMEM;
 
-	ret = atusb_control_msg(atusb, usb_rcvctrlpipe(usb_dev, 0),
-				ATUSB_BUILD, ATUSB_REQ_FROM_DEV, 0, 0,
-				build, ATUSB_BUILD_SIZE, 1000);
+	/* We cannot call atusb_control_msg() here, since this request may read various length data */
+	ret = usb_control_msg(atusb->usb_dev, usb_rcvctrlpipe(usb_dev, 0), ATUSB_BUILD,
+			      ATUSB_REQ_FROM_DEV, 0, 0, build, ATUSB_BUILD_SIZE, 1000);
 	if (ret >= 0) {
 		build[ret] = 0;
 		dev_info(&usb_dev->dev, "Firmware: build %s\n", build);
diff --git a/drivers/net/usb/cdc_ncm.c b/drivers/net/usb/cdc_ncm.c
index 8bef8c3dd2a3..2c9e4ab99fe0 100644
--- a/drivers/net/usb/cdc_ncm.c
+++ b/drivers/net/usb/cdc_ncm.c
@@ -175,6 +175,8 @@ static u32 cdc_ncm_check_tx_max(struct usbnet *dev, u32 new_tx)
 	/* clamp new_tx to sane values */
 	min = ctx->max_datagram_size + ctx->max_ndp_size + sizeof(struct usb_cdc_ncm_nth16);
 	max = min_t(u32, CDC_NCM_NTB_MAX_SIZE_TX, le32_to_cpu(ctx->ncm_parm.dwNtbOutMaxSize));
+	if (max == 0)
+		max = CDC_NCM_NTB_MAX_SIZE_TX; /* dwNtbOutMaxSize not set */
 
 	/* some devices set dwNtbOutMaxSize too low for the above default */
 	min = min(min, max);
diff --git a/drivers/net/usb/lan78xx.c b/drivers/net/usb/lan78xx.c
index 324e2e15092f..08c5c68057da 100644
--- a/drivers/net/usb/lan78xx.c
+++ b/drivers/net/usb/lan78xx.c
@@ -66,6 +66,8 @@
 #define LAN7850_USB_PRODUCT_ID		(0x7850)
 #define LAN78XX_EEPROM_MAGIC		(0x78A5)
 #define LAN78XX_OTP_MAGIC		(0x78F3)
+#define AT29M2AF_USB_VENDOR_ID		(0x07C9)
+#define AT29M2AF_USB_PRODUCT_ID	(0x0012)
 
 #define	MII_READ			1
 #define	MII_WRITE			0
@@ -609,11 +611,9 @@ static int lan78xx_read_otp(struct lan78xx_net *dev, u32 offset,
 	ret = lan78xx_read_raw_otp(dev, 0, 1, &sig);
 
 	if (ret == 0) {
-		if (sig == OTP_INDICATOR_1)
-			offset = offset;
-		else if (sig == OTP_INDICATOR_2)
+		if (sig == OTP_INDICATOR_2)
 			offset += 0x100;
-		else
+		else if (sig != OTP_INDICATOR_1)
 			ret = -EINVAL;
 		if (!ret)
 			ret = lan78xx_read_raw_otp(dev, offset, length, data);
@@ -3336,6 +3336,10 @@ static const struct usb_device_id products[] = {
 	/* LAN7850 USB Gigabit Ethernet Device */
 	USB_DEVICE(LAN78XX_USB_VENDOR_ID, LAN7850_USB_PRODUCT_ID),
 	},
+	{
+	/* ATM2-AF USB Gigabit Ethernet Device */
+	USB_DEVICE(AT29M2AF_USB_VENDOR_ID, AT29M2AF_USB_PRODUCT_ID),
+	},
 	{},
 };
 MODULE_DEVICE_TABLE(usb, products);
diff --git a/drivers/net/usb/rndis_host.c b/drivers/net/usb/rndis_host.c
index 4e86c36503cb..c0b93662a076 100644
--- a/drivers/net/usb/rndis_host.c
+++ b/drivers/net/usb/rndis_host.c
@@ -687,6 +687,11 @@ static const struct usb_device_id	products [] = {
 				      USB_CLASS_COMM, 2 /* ACM */, 0x0ff),
 	.driver_info = (unsigned long) &rndis_poll_status_info,
 }, {
+	/* Hytera Communications DMR radios' "Radio to PC Network" */
+	USB_VENDOR_AND_INTERFACE_INFO(0x238b,
+				      USB_CLASS_COMM, 2 /* ACM */, 0x0ff),
+	.driver_info = (unsigned long)&rndis_info,
+}, {
 	/* RNDIS is MSFT's un-official variant of CDC ACM */
 	USB_INTERFACE_INFO(USB_CLASS_COMM, 2 /* ACM */, 0x0ff),
 	.driver_info = (unsigned long) &rndis_info,
diff --git a/drivers/net/xen-netback/netback.c b/drivers/net/xen-netback/netback.c
index 15c73ebe5efc..044478c9adad 100644
--- a/drivers/net/xen-netback/netback.c
+++ b/drivers/net/xen-netback/netback.c
@@ -189,11 +189,15 @@ void xenvif_rx_queue_tail(struct xenvif_queue *queue, struct sk_buff *skb)
 
 	spin_lock_irqsave(&queue->rx_queue.lock, flags);
 
-	__skb_queue_tail(&queue->rx_queue, skb);
-
-	queue->rx_queue_len += skb->len;
-	if (queue->rx_queue_len > queue->rx_queue_max)
+	if (queue->rx_queue_len >= queue->rx_queue_max) {
 		netif_tx_stop_queue(netdev_get_tx_queue(queue->vif->dev, queue->id));
+		kfree_skb(skb);
+		queue->vif->dev->stats.rx_dropped++;
+	} else {
+		__skb_queue_tail(&queue->rx_queue, skb);
+
+		queue->rx_queue_len += skb->len;
+	}
 
 	spin_unlock_irqrestore(&queue->rx_queue.lock, flags);
 }
@@ -243,6 +247,7 @@ static void xenvif_rx_queue_drop_expired(struct xenvif_queue *queue)
 			break;
 		xenvif_rx_dequeue(queue);
 		kfree_skb(skb);
+		queue->vif->dev->stats.rx_dropped++;
 	}
 }
 
diff --git a/drivers/net/xen-netfront.c b/drivers/net/xen-netfront.c
index 46b9f379035f..637d5e894012 100644
--- a/drivers/net/xen-netfront.c
+++ b/drivers/net/xen-netfront.c
@@ -141,6 +141,9 @@ struct netfront_queue {
 	struct sk_buff *rx_skbs[NET_RX_RING_SIZE];
 	grant_ref_t gref_rx_head;
 	grant_ref_t grant_rx_ref[NET_RX_RING_SIZE];
+
+	unsigned int rx_rsp_unconsumed;
+	spinlock_t rx_cons_lock;
 };
 
 struct netfront_info {
@@ -365,11 +368,12 @@ static int xennet_open(struct net_device *dev)
 	return 0;
 }
 
-static void xennet_tx_buf_gc(struct netfront_queue *queue)
+static bool xennet_tx_buf_gc(struct netfront_queue *queue)
 {
 	RING_IDX cons, prod;
 	unsigned short id;
 	struct sk_buff *skb;
+	bool work_done = false;
 	const struct device *dev = &queue->info->netdev->dev;
 
 	BUG_ON(!netif_carrier_ok(queue->info->netdev));
@@ -386,6 +390,8 @@ static void xennet_tx_buf_gc(struct netfront_queue *queue)
 		for (cons = queue->tx.rsp_cons; cons != prod; cons++) {
 			struct xen_netif_tx_response txrsp;
 
+			work_done = true;
+
 			RING_COPY_RESPONSE(&queue->tx, cons, &txrsp);
 			if (txrsp.status == XEN_NETIF_RSP_NULL)
 				continue;
@@ -439,11 +445,13 @@ static void xennet_tx_buf_gc(struct netfront_queue *queue)
 
 	xennet_maybe_wake_tx(queue);
 
-	return;
+	return work_done;
 
  err:
 	queue->info->broken = true;
 	dev_alert(dev, "Disabled for further use\n");
+
+	return work_done;
 }
 
 struct xennet_gnttab_make_txreq {
@@ -748,6 +756,16 @@ static int xennet_close(struct net_device *dev)
 	return 0;
 }
 
+static void xennet_set_rx_rsp_cons(struct netfront_queue *queue, RING_IDX val)
+{
+	unsigned long flags;
+
+	spin_lock_irqsave(&queue->rx_cons_lock, flags);
+	queue->rx.rsp_cons = val;
+	queue->rx_rsp_unconsumed = RING_HAS_UNCONSUMED_RESPONSES(&queue->rx);
+	spin_unlock_irqrestore(&queue->rx_cons_lock, flags);
+}
+
 static void xennet_move_rx_slot(struct netfront_queue *queue, struct sk_buff *skb,
 				grant_ref_t ref)
 {
@@ -799,7 +817,7 @@ static int xennet_get_extras(struct netfront_queue *queue,
 		xennet_move_rx_slot(queue, skb, ref);
 	} while (extra.flags & XEN_NETIF_EXTRA_FLAG_MORE);
 
-	queue->rx.rsp_cons = cons;
+	xennet_set_rx_rsp_cons(queue, cons);
 	return err;
 }
 
@@ -879,7 +897,7 @@ next:
 	}
 
 	if (unlikely(err))
-		queue->rx.rsp_cons = cons + slots;
+		xennet_set_rx_rsp_cons(queue, cons + slots);
 
 	return err;
 }
@@ -933,7 +951,8 @@ static int xennet_fill_frags(struct netfront_queue *queue,
 			__pskb_pull_tail(skb, pull_to - skb_headlen(skb));
 		}
 		if (unlikely(skb_shinfo(skb)->nr_frags >= MAX_SKB_FRAGS)) {
-			queue->rx.rsp_cons = ++cons + skb_queue_len(list);
+			xennet_set_rx_rsp_cons(queue,
+					       ++cons + skb_queue_len(list));
 			kfree_skb(nskb);
 			return -ENOENT;
 		}
@@ -946,7 +965,7 @@ static int xennet_fill_frags(struct netfront_queue *queue,
 		kfree_skb(nskb);
 	}
 
-	queue->rx.rsp_cons = cons;
+	xennet_set_rx_rsp_cons(queue, cons);
 
 	return 0;
 }
@@ -1067,7 +1086,9 @@ err:
 
 			if (unlikely(xennet_set_skb_gso(skb, gso))) {
 				__skb_queue_head(&tmpq, skb);
-				queue->rx.rsp_cons += skb_queue_len(&tmpq);
+				xennet_set_rx_rsp_cons(queue,
+						       queue->rx.rsp_cons +
+						       skb_queue_len(&tmpq));
 				goto err;
 			}
 		}
@@ -1091,7 +1112,8 @@ err:
 
 		__skb_queue_tail(&rxq, skb);
 
-		i = ++queue->rx.rsp_cons;
+		i = queue->rx.rsp_cons + 1;
+		xennet_set_rx_rsp_cons(queue, i);
 		work_done++;
 	}
 
@@ -1275,40 +1297,79 @@ static int xennet_set_features(struct net_device *dev,
 	return 0;
 }
 
-static irqreturn_t xennet_tx_interrupt(int irq, void *dev_id)
+static bool xennet_handle_tx(struct netfront_queue *queue, unsigned int *eoi)
 {
-	struct netfront_queue *queue = dev_id;
 	unsigned long flags;
 
-	if (queue->info->broken)
-		return IRQ_HANDLED;
+	if (unlikely(queue->info->broken))
+		return false;
 
 	spin_lock_irqsave(&queue->tx_lock, flags);
-	xennet_tx_buf_gc(queue);
+	if (xennet_tx_buf_gc(queue))
+		*eoi = 0;
 	spin_unlock_irqrestore(&queue->tx_lock, flags);
 
+	return true;
+}
+
+static irqreturn_t xennet_tx_interrupt(int irq, void *dev_id)
+{
+	unsigned int eoiflag = XEN_EOI_FLAG_SPURIOUS;
+
+	if (likely(xennet_handle_tx(dev_id, &eoiflag)))
+		xen_irq_lateeoi(irq, eoiflag);
+
 	return IRQ_HANDLED;
 }
 
-static irqreturn_t xennet_rx_interrupt(int irq, void *dev_id)
+static bool xennet_handle_rx(struct netfront_queue *queue, unsigned int *eoi)
 {
-	struct netfront_queue *queue = dev_id;
-	struct net_device *dev = queue->info->netdev;
+	unsigned int work_queued;
+	unsigned long flags;
 
-	if (queue->info->broken)
-		return IRQ_HANDLED;
+	if (unlikely(queue->info->broken))
+		return false;
+
+	spin_lock_irqsave(&queue->rx_cons_lock, flags);
+	work_queued = RING_HAS_UNCONSUMED_RESPONSES(&queue->rx);
+	if (work_queued > queue->rx_rsp_unconsumed) {
+		queue->rx_rsp_unconsumed = work_queued;
+		*eoi = 0;
+	} else if (unlikely(work_queued < queue->rx_rsp_unconsumed)) {
+		const struct device *dev = &queue->info->netdev->dev;
+
+		spin_unlock_irqrestore(&queue->rx_cons_lock, flags);
+		dev_alert(dev, "RX producer index going backwards\n");
+		dev_alert(dev, "Disabled for further use\n");
+		queue->info->broken = true;
+		return false;
+	}
+	spin_unlock_irqrestore(&queue->rx_cons_lock, flags);
 
-	if (likely(netif_carrier_ok(dev) &&
-		   RING_HAS_UNCONSUMED_RESPONSES(&queue->rx)))
+	if (likely(netif_carrier_ok(queue->info->netdev) && work_queued))
 		napi_schedule(&queue->napi);
 
+	return true;
+}
+
+static irqreturn_t xennet_rx_interrupt(int irq, void *dev_id)
+{
+	unsigned int eoiflag = XEN_EOI_FLAG_SPURIOUS;
+
+	if (likely(xennet_handle_rx(dev_id, &eoiflag)))
+		xen_irq_lateeoi(irq, eoiflag);
+
 	return IRQ_HANDLED;
 }
 
 static irqreturn_t xennet_interrupt(int irq, void *dev_id)
 {
-	xennet_tx_interrupt(irq, dev_id);
-	xennet_rx_interrupt(irq, dev_id);
+	unsigned int eoiflag = XEN_EOI_FLAG_SPURIOUS;
+
+	if (xennet_handle_tx(dev_id, &eoiflag) &&
+	    xennet_handle_rx(dev_id, &eoiflag))
+		xen_irq_lateeoi(irq, eoiflag);
+
 	return IRQ_HANDLED;
 }
 
@@ -1540,9 +1601,10 @@ static int setup_netfront_single(struct netfront_queue *queue)
 	if (err < 0)
 		goto fail;
 
-	err = bind_evtchn_to_irqhandler(queue->tx_evtchn,
-					xennet_interrupt,
-					0, queue->info->netdev->name, queue);
+	err = bind_evtchn_to_irqhandler_lateeoi(queue->tx_evtchn,
+						xennet_interrupt, 0,
+						queue->info->netdev->name,
+						queue);
 	if (err < 0)
 		goto bind_fail;
 	queue->rx_evtchn = queue->tx_evtchn;
@@ -1570,18 +1632,18 @@ static int setup_netfront_split(struct netfront_queue *queue)
 
 	snprintf(queue->tx_irq_name, sizeof(queue->tx_irq_name),
 		 "%s-tx", queue->name);
-	err = bind_evtchn_to_irqhandler(queue->tx_evtchn,
-					xennet_tx_interrupt,
-					0, queue->tx_irq_name, queue);
+	err = bind_evtchn_to_irqhandler_lateeoi(queue->tx_evtchn,
+						xennet_tx_interrupt, 0,
+						queue->tx_irq_name, queue);
 	if (err < 0)
 		goto bind_tx_fail;
 	queue->tx_irq = err;
 
 	snprintf(queue->rx_irq_name, sizeof(queue->rx_irq_name),
 		 "%s-rx", queue->name);
-	err = bind_evtchn_to_irqhandler(queue->rx_evtchn,
-					xennet_rx_interrupt,
-					0, queue->rx_irq_name, queue);
+	err = bind_evtchn_to_irqhandler_lateeoi(queue->rx_evtchn,
+						xennet_rx_interrupt, 0,
+						queue->rx_irq_name, queue);
 	if (err < 0)
 		goto bind_rx_fail;
 	queue->rx_irq = err;
@@ -1683,6 +1745,7 @@ static int xennet_init_queue(struct netfront_queue *queue)
 
 	spin_lock_init(&queue->tx_lock);
 	spin_lock_init(&queue->rx_lock);
+	spin_lock_init(&queue->rx_cons_lock);
 
 	setup_timer(&queue->rx_refill_timer, rx_refill_timeout,
 		    (unsigned long)queue);
diff --git a/drivers/pci/msi.c b/drivers/pci/msi.c
index 534aa676bf55..92e78547b00a 100644
--- a/drivers/pci/msi.c
+++ b/drivers/pci/msi.c
@@ -840,7 +840,7 @@ out_free:
 	free_msi_irqs(dev);
 
 out_disable:
-	pci_msix_clear_and_set_ctrl(dev, PCI_MSIX_FLAGS_ENABLE, 0);
+	pci_msix_clear_and_set_ctrl(dev, PCI_MSIX_FLAGS_MASKALL | PCI_MSIX_FLAGS_ENABLE, 0);
 
 	return ret;
 }
diff --git a/drivers/platform/x86/apple-gmux.c b/drivers/platform/x86/apple-gmux.c
index 976efeb3f2ba..a0f10ccdca3e 100644
--- a/drivers/platform/x86/apple-gmux.c
+++ b/drivers/platform/x86/apple-gmux.c
@@ -461,7 +461,7 @@ static int gmux_probe(struct pnp_dev *pnp, const struct pnp_device_id *id)
 	}
 
 	gmux_data->iostart = res->start;
-	gmux_data->iolen = res->end - res->start;
+	gmux_data->iolen = resource_size(res);
 
 	if (gmux_data->iolen < GMUX_MIN_IO_LEN) {
 		pr_err("gmux I/O region too small (%lu < %u)\n",
diff --git a/drivers/power/reset/ltc2952-poweroff.c b/drivers/power/reset/ltc2952-poweroff.c
index 15fed9d8f871..ec54cff108b3 100644
--- a/drivers/power/reset/ltc2952-poweroff.c
+++ b/drivers/power/reset/ltc2952-poweroff.c
@@ -169,8 +169,8 @@ static void ltc2952_poweroff_kill(void)
 
 static void ltc2952_poweroff_default(struct ltc2952_poweroff *data)
 {
-	data->wde_interval = ktime_set(0, 300L*1E6L);
-	data->trigger_delay = ktime_set(2, 500L*1E6L);
+	data->wde_interval = ktime_set(0, 300L * NSEC_PER_MSEC);
+	data->trigger_delay = ktime_set(2, 500L * NSEC_PER_MSEC);
 
 	hrtimer_init(&data->timer_trigger, CLOCK_MONOTONIC, HRTIMER_MODE_REL);
 	data->timer_trigger.function = ltc2952_poweroff_timer_trigger;
diff --git a/drivers/scsi/libiscsi.c b/drivers/scsi/libiscsi.c
index 0713d02cf112..b1ef1aa4dd44 100644
--- a/drivers/scsi/libiscsi.c
+++ b/drivers/scsi/libiscsi.c
@@ -2994,6 +2994,8 @@ void iscsi_conn_teardown(struct iscsi_cls_conn *cls_conn)
 {
 	struct iscsi_conn *conn = cls_conn->dd_data;
 	struct iscsi_session *session = conn->session;
+	char *tmp_persistent_address = conn->persistent_address;
+	char *tmp_local_ipaddr = conn->local_ipaddr;
 
 	del_timer_sync(&conn->transport_timer);
 
@@ -3015,8 +3017,6 @@ void iscsi_conn_teardown(struct iscsi_cls_conn *cls_conn)
 	spin_lock_bh(&session->frwd_lock);
 	free_pages((unsigned long) conn->data,
 		   get_order(ISCSI_DEF_MAX_RECV_SEG_LEN));
-	kfree(conn->persistent_address);
-	kfree(conn->local_ipaddr);
 	/* regular RX path uses back_lock */
 	spin_lock_bh(&session->back_lock);
 	kfifo_in(&session->cmdpool.queue, (void*)&conn->login_task,
@@ -3028,6 +3028,8 @@ void iscsi_conn_teardown(struct iscsi_cls_conn *cls_conn)
 	mutex_unlock(&session->eh_mutex);
 
 	iscsi_destroy_conn(cls_conn);
+	kfree(tmp_persistent_address);
+	kfree(tmp_local_ipaddr);
 }
 EXPORT_SYMBOL_GPL(iscsi_conn_teardown);
 
diff --git a/drivers/scsi/vmw_pvscsi.c b/drivers/scsi/vmw_pvscsi.c
index d25cf084afe7..b0fd017abebd 100644
--- a/drivers/scsi/vmw_pvscsi.c
+++ b/drivers/scsi/vmw_pvscsi.c
@@ -562,9 +562,12 @@ static void pvscsi_complete_request(struct pvscsi_adapter *adapter,
 			 * Commands like INQUIRY may transfer less data than
 			 * requested by the initiator via bufflen. Set residual
 			 * count to make upper layer aware of the actual amount
-			 * of data returned.
+			 * of data returned. There are cases when controller
+			 * returns zero dataLen with non zero data - do not set
+			 * residual count in that case.
 			 */
-			scsi_set_resid(cmd, scsi_bufflen(cmd) - e->dataLen);
+			if (e->dataLen && (e->dataLen < scsi_bufflen(cmd)))
+				scsi_set_resid(cmd, scsi_bufflen(cmd) - e->dataLen);
 			cmd->result = (DID_OK << 16);
 			break;
 
diff --git a/drivers/soc/tegra/fuse/fuse-tegra.c b/drivers/soc/tegra/fuse/fuse-tegra.c
index c4f5e5bbb8dc..9397e8ba2646 100644
--- a/drivers/soc/tegra/fuse/fuse-tegra.c
+++ b/drivers/soc/tegra/fuse/fuse-tegra.c
@@ -176,7 +176,7 @@ static struct platform_driver tegra_fuse_driver = {
 };
 module_platform_driver(tegra_fuse_driver);
 
-bool __init tegra_fuse_read_spare(unsigned int spare)
+u32 __init tegra_fuse_read_spare(unsigned int spare)
 {
 	unsigned int offset = fuse->soc->info->spare + spare * 4;
 
diff --git a/drivers/soc/tegra/fuse/fuse.h b/drivers/soc/tegra/fuse/fuse.h
index 10c2076d5089..f368bd537308 100644
--- a/drivers/soc/tegra/fuse/fuse.h
+++ b/drivers/soc/tegra/fuse/fuse.h
@@ -62,7 +62,7 @@ struct tegra_fuse {
 void tegra_init_revision(void);
 void tegra_init_apbmisc(void);
 
-bool __init tegra_fuse_read_spare(unsigned int spare);
+u32 __init tegra_fuse_read_spare(unsigned int spare);
 u32 __init tegra_fuse_read_early(unsigned int offset);
 
 #ifdef CONFIG_ARCH_TEGRA_2x_SOC
diff --git a/drivers/tty/hvc/hvc_xen.c b/drivers/tty/hvc/hvc_xen.c
index e503ad91a25a..4826a6db87b1 100644
--- a/drivers/tty/hvc/hvc_xen.c
+++ b/drivers/tty/hvc/hvc_xen.c
@@ -49,6 +49,8 @@ struct xencons_info {
 	struct xenbus_device *xbdev;
 	struct xencons_interface *intf;
 	unsigned int evtchn;
+	XENCONS_RING_IDX out_cons;
+	unsigned int out_cons_same;
 	struct hvc_struct *hvc;
 	int irq;
 	int vtermno;
@@ -150,6 +152,8 @@ static int domU_read_console(uint32_t vtermno, char *buf, int len)
 	XENCONS_RING_IDX cons, prod;
 	int recv = 0;
 	struct xencons_info *xencons = vtermno_to_xencons(vtermno);
+	unsigned int eoiflag = 0;
+
 	if (xencons == NULL)
 		return -EINVAL;
 	intf = xencons->intf;
@@ -169,7 +173,27 @@ static int domU_read_console(uint32_t vtermno, char *buf, int len)
 	mb();			/* read ring before consuming */
 	intf->in_cons = cons;
 
-	notify_daemon(xencons);
+	/*
+	 * When to mark interrupt having been spurious:
+	 * - there was no new data to be read, and
+	 * - the backend did not consume some output bytes, and
+	 * - the previous round with no read data didn't see consumed bytes
+	 *   (we might have a race with an interrupt being in flight while
+	 *   updating xencons->out_cons, so account for that by allowing one
+	 *   round without any visible reason)
+	 */
+	if (intf->out_cons != xencons->out_cons) {
+		xencons->out_cons = intf->out_cons;
+		xencons->out_cons_same = 0;
+	}
+	if (recv) {
+		notify_daemon(xencons);
+	} else if (xencons->out_cons_same++ > 1) {
+		eoiflag = XEN_EOI_FLAG_SPURIOUS;
+	}
+
+	xen_irq_lateeoi(xencons->irq, eoiflag);
+
 	return recv;
 }
 
@@ -391,7 +415,7 @@ static int xencons_connect_backend(struct xenbus_device *dev,
 	if (ret)
 		return ret;
 	info->evtchn = evtchn;
-	irq = bind_evtchn_to_irq(evtchn);
+	irq = bind_interdomain_evtchn_to_irq_lateeoi(dev->otherend_id, evtchn);
 	if (irq < 0)
 		return irq;
 	info->irq = irq;
@@ -555,7 +579,7 @@ static int __init xen_hvc_init(void)
 			return r;
 
 		info = vtermno_to_xencons(HVC_COOKIE);
-		info->irq = bind_evtchn_to_irq(info->evtchn);
+		info->irq = bind_evtchn_to_irq_lateeoi(info->evtchn);
 	}
 	if (info->irq < 0)
 		info->irq = 0; /* NO_IRQ */
diff --git a/drivers/usb/core/config.c b/drivers/usb/core/config.c
index ae2ea73cb24e..b4b2ce3b1252 100644
--- a/drivers/usb/core/config.c
+++ b/drivers/usb/core/config.c
@@ -375,7 +375,7 @@ static int usb_parse_endpoint(struct device *ddev, int cfgno,
 	 * the USB-2 spec requires such endpoints to have wMaxPacketSize = 0
 	 * (see the end of section 5.6.3), so don't warn about them.
 	 */
-	maxp = usb_endpoint_maxp(&endpoint->desc);
+	maxp = le16_to_cpu(endpoint->desc.wMaxPacketSize);
 	if (maxp == 0 && !(usb_endpoint_xfer_isoc(d) && asnum == 0)) {
 		dev_warn(ddev, "config %d interface %d altsetting %d endpoint 0x%X has invalid wMaxPacketSize 0\n",
 		    cfgno, inum, asnum, d->bEndpointAddress);
diff --git a/drivers/usb/gadget/composite.c b/drivers/usb/gadget/composite.c
index 1ba82a9a4b5b..282ac9db9551 100644
--- a/drivers/usb/gadget/composite.c
+++ b/drivers/usb/gadget/composite.c
@@ -1625,6 +1625,18 @@ composite_setup(struct usb_gadget *gadget, const struct usb_ctrlrequest *ctrl)
 	struct usb_function		*f = NULL;
 	u8				endp;
 
+	if (w_length > USB_COMP_EP0_BUFSIZ) {
+		if (ctrl->bRequestType & USB_DIR_IN) {
+			/* Cast away the const, we are going to overwrite on purpose. */
+			__le16 *temp = (__le16 *)&ctrl->wLength;
+
+			*temp = cpu_to_le16(USB_COMP_EP0_BUFSIZ);
+			w_length = USB_COMP_EP0_BUFSIZ;
+		} else {
+			goto done;
+		}
+	}
+
 	/* partial re-init of the response message; the function or the
 	 * gadget might need to intercept e.g. a control-OUT completion
 	 * when we delegate to it.
@@ -2198,7 +2210,7 @@ int composite_dev_prepare(struct usb_composite_driver *composite,
 	if (!cdev->req)
 		return -ENOMEM;
 
-	cdev->req->buf = kmalloc(USB_COMP_EP0_BUFSIZ, GFP_KERNEL);
+	cdev->req->buf = kzalloc(USB_COMP_EP0_BUFSIZ, GFP_KERNEL);
 	if (!cdev->req->buf)
 		goto fail;
 
diff --git a/drivers/usb/gadget/function/f_fs.c b/drivers/usb/gadget/function/f_fs.c
index fb57e0772a19..2876e7b7961b 100644
--- a/drivers/usb/gadget/function/f_fs.c
+++ b/drivers/usb/gadget/function/f_fs.c
@@ -1849,11 +1849,15 @@ static void ffs_data_clear(struct ffs_data *ffs)
 				__func__, ffs, ffs->gadget, ffs->flags);
 	BUG_ON(ffs->gadget);
 
-	if (ffs->epfiles)
+	if (ffs->epfiles) {
 		ffs_epfiles_destroy(ffs->epfiles, ffs->eps_count);
+		ffs->epfiles = NULL;
+	}
 
-	if (ffs->ffs_eventfd)
+	if (ffs->ffs_eventfd) {
 		eventfd_ctx_put(ffs->ffs_eventfd);
+		ffs->ffs_eventfd = NULL;
+	}
 
 	kfree(ffs->raw_descs_data);
 	kfree(ffs->raw_strings);
@@ -1872,7 +1876,6 @@ static void ffs_data_reset(struct ffs_data *ffs)
 
 	ffs_data_clear(ffs);
 
-	ffs->epfiles = NULL;
 	ffs->raw_descs_data = NULL;
 	ffs->raw_descs = NULL;
 	ffs->raw_strings = NULL;
diff --git a/drivers/usb/gadget/legacy/dbgp.c b/drivers/usb/gadget/legacy/dbgp.c
index 99ca3dabc4f3..e8818ad973e4 100644
--- a/drivers/usb/gadget/legacy/dbgp.c
+++ b/drivers/usb/gadget/legacy/dbgp.c
@@ -136,7 +136,7 @@ static int dbgp_enable_ep_req(struct usb_ep *ep)
 		goto fail_1;
 	}
 
-	req->buf = kmalloc(DBGP_REQ_LEN, GFP_KERNEL);
+	req->buf = kzalloc(DBGP_REQ_LEN, GFP_KERNEL);
 	if (!req->buf) {
 		err = -ENOMEM;
 		stp = 2;
@@ -344,6 +344,19 @@ static int dbgp_setup(struct usb_gadget *gadget,
 	void *data = NULL;
 	u16 len = 0;
 
+	if (length > DBGP_REQ_LEN) {
+		if (ctrl->bRequestType & USB_DIR_IN) {
+			/* Cast away the const, we are going to overwrite on purpose. */
+			__le16 *temp = (__le16 *)&ctrl->wLength;
+
+			*temp = cpu_to_le16(DBGP_REQ_LEN);
+			length = DBGP_REQ_LEN;
+		} else {
+			return err;
+		}
+	}
+
+
 	if (request == USB_REQ_GET_DESCRIPTOR) {
 		switch (value>>8) {
 		case USB_DT_DEVICE:
diff --git a/drivers/usb/gadget/legacy/inode.c b/drivers/usb/gadget/legacy/inode.c
index b95900168a6b..f2b4fdd1f49d 100644
--- a/drivers/usb/gadget/legacy/inode.c
+++ b/drivers/usb/gadget/legacy/inode.c
@@ -113,6 +113,8 @@ enum ep0_state {
 /* enough for the whole queue: most events invalidate others */
 #define	N_EVENT			5
 
+#define RBUF_SIZE		256
+
 struct dev_data {
 	spinlock_t			lock;
 	atomic_t			count;
@@ -146,7 +148,7 @@ struct dev_data {
 	struct dentry			*dentry;
 
 	/* except this scratch i/o buffer for ep0 */
-	u8				rbuf [256];
+	u8				rbuf[RBUF_SIZE];
 };
 
 static inline void get_dev (struct dev_data *data)
@@ -1332,6 +1334,18 @@ gadgetfs_setup (struct usb_gadget *gadget, const struct usb_ctrlrequest *ctrl)
 	u16				w_value = le16_to_cpu(ctrl->wValue);
 	u16				w_length = le16_to_cpu(ctrl->wLength);
 
+	if (w_length > RBUF_SIZE) {
+		if (ctrl->bRequestType & USB_DIR_IN) {
+			/* Cast away the const, we are going to overwrite on purpose. */
+			__le16 *temp = (__le16 *)&ctrl->wLength;
+
+			*temp = cpu_to_le16(RBUF_SIZE);
+			w_length = RBUF_SIZE;
+		} else {
+			return value;
+		}
+	}
+
 	spin_lock (&dev->lock);
 	dev->setup_abort = 0;
 	if (dev->state == STATE_DEV_UNCONNECTED) {
diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c
index fd7925f20a6a..2fb202da44b8 100644
--- a/drivers/usb/host/xhci-pci.c
+++ b/drivers/usb/host/xhci-pci.c
@@ -91,7 +91,6 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci)
 	/* Look for vendor-specific quirks */
 	if (pdev->vendor == PCI_VENDOR_ID_FRESCO_LOGIC &&
 			(pdev->device == PCI_DEVICE_ID_FRESCO_LOGIC_PDK ||
-			 pdev->device == PCI_DEVICE_ID_FRESCO_LOGIC_FL1100 ||
 			 pdev->device == PCI_DEVICE_ID_FRESCO_LOGIC_FL1400)) {
 		if (pdev->device == PCI_DEVICE_ID_FRESCO_LOGIC_PDK &&
 				pdev->revision == 0x0) {
@@ -126,6 +125,10 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci)
 			pdev->device == PCI_DEVICE_ID_FRESCO_LOGIC_FL1009)
 		xhci->quirks |= XHCI_BROKEN_STREAMS;
 
+	if (pdev->vendor == PCI_VENDOR_ID_FRESCO_LOGIC &&
+			pdev->device == PCI_DEVICE_ID_FRESCO_LOGIC_FL1100)
+		xhci->quirks |= XHCI_TRUST_TX_LENGTH;
+
 	if (pdev->vendor == PCI_VENDOR_ID_NEC)
 		xhci->quirks |= XHCI_NEC_HOST;
 
diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index 502931f658a8..9479abb9eaaa 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -1195,6 +1195,14 @@ static const struct usb_device_id option_ids[] = {
 	  .driver_info = NCTRL(2) | RSVD(3) },
 	{ USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1063, 0xff),	/* Telit LN920 (ECM) */
 	  .driver_info = NCTRL(0) | RSVD(1) },
+	{ USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1070, 0xff),	/* Telit FN990 (rmnet) */
+	  .driver_info = NCTRL(0) | RSVD(1) | RSVD(2) },
+	{ USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1071, 0xff),	/* Telit FN990 (MBIM) */
+	  .driver_info = NCTRL(0) | RSVD(1) },
+	{ USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1072, 0xff),	/* Telit FN990 (RNDIS) */
+	  .driver_info = NCTRL(2) | RSVD(3) },
+	{ USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1073, 0xff),	/* Telit FN990 (ECM) */
+	  .driver_info = NCTRL(0) | RSVD(1) },
 	{ USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_ME910),
 	  .driver_info = NCTRL(0) | RSVD(1) | RSVD(3) },
 	{ USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_ME910_DUAL_MODEM),
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index ea5cb1ba282f..5ee62045150c 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -844,6 +844,11 @@ hash_delegation_locked(struct nfs4_delegation *dp, struct nfs4_file *fp)
 	return 0;
 }
 
+static bool delegation_hashed(struct nfs4_delegation *dp)
+{
+	return !(list_empty(&dp->dl_perfile));
+}
+
 static bool
 unhash_delegation_locked(struct nfs4_delegation *dp)
 {
@@ -851,7 +856,7 @@ unhash_delegation_locked(struct nfs4_delegation *dp)
 
 	lockdep_assert_held(&state_lock);
 
-	if (list_empty(&dp->dl_perfile))
+	if (!delegation_hashed(dp))
 		return false;
 
 	dp->dl_stid.sc_type = NFS4_CLOSED_DELEG_STID;
@@ -3656,7 +3661,7 @@ static void nfsd4_cb_recall_prepare(struct nfsd4_callback *cb)
 	 * queued for a lease break. Don't queue it again.
 	 */
 	spin_lock(&state_lock);
-	if (dp->dl_time == 0) {
+	if (delegation_hashed(dp) && dp->dl_time == 0) {
 		dp->dl_time = get_seconds();
 		list_add_tail(&dp->dl_recall_lru, &nn->del_recall_lru);
 	}
diff --git a/fs/signalfd.c b/fs/signalfd.c
index 270221fcef42..9c5fa0ab5e0f 100644
--- a/fs/signalfd.c
+++ b/fs/signalfd.c
@@ -34,17 +34,7 @@
 
 void signalfd_cleanup(struct sighand_struct *sighand)
 {
-	wait_queue_head_t *wqh = &sighand->signalfd_wqh;
-	/*
-	 * The lockless check can race with remove_wait_queue() in progress,
-	 * but in this case its caller should run under rcu_read_lock() and
-	 * sighand_cachep is SLAB_DESTROY_BY_RCU, we can safely return.
-	 */
-	if (likely(!waitqueue_active(wqh)))
-		return;
-
-	/* wait_queue_t->func(POLLFREE) should do remove_wait_queue() */
-	wake_up_poll(wqh, POLLHUP | POLLFREE);
+	wake_up_pollfree(&sighand->signalfd_wqh);
 }
 
 struct signalfd_ctx {
diff --git a/fs/tracefs/inode.c b/fs/tracefs/inode.c
index 6ccfd47157d3..2914220e975c 100644
--- a/fs/tracefs/inode.c
+++ b/fs/tracefs/inode.c
@@ -162,6 +162,77 @@ struct tracefs_fs_info {
 	struct tracefs_mount_opts mount_opts;
 };
 
+static void change_gid(struct dentry *dentry, kgid_t gid)
+{
+	if (!dentry->d_inode)
+		return;
+	dentry->d_inode->i_gid = gid;
+}
+
+/*
+ * Taken from d_walk, but without he need for handling renames.
+ * Nothing can be renamed while walking the list, as tracefs
+ * does not support renames. This is only called when mounting
+ * or remounting the file system, to set all the files to
+ * the given gid.
+ */
+static void set_gid(struct dentry *parent, kgid_t gid)
+{
+	struct dentry *this_parent;
+	struct list_head *next;
+
+	this_parent = parent;
+	spin_lock(&this_parent->d_lock);
+
+	change_gid(this_parent, gid);
+repeat:
+	next = this_parent->d_subdirs.next;
+resume:
+	while (next != &this_parent->d_subdirs) {
+		struct list_head *tmp = next;
+		struct dentry *dentry = list_entry(tmp, struct dentry, d_child);
+		next = tmp->next;
+
+		spin_lock_nested(&dentry->d_lock, DENTRY_D_LOCK_NESTED);
+
+		change_gid(dentry, gid);
+
+		if (!list_empty(&dentry->d_subdirs)) {
+			spin_unlock(&this_parent->d_lock);
+			spin_release(&dentry->d_lock.dep_map, 1, _RET_IP_);
+			this_parent = dentry;
+			spin_acquire(&this_parent->d_lock.dep_map, 0, 1, _RET_IP_);
+			goto repeat;
+		}
+		spin_unlock(&dentry->d_lock);
+	}
+	/*
+	 * All done at this level ... ascend and resume the search.
+	 */
+	rcu_read_lock();
+ascend:
+	if (this_parent != parent) {
+		struct dentry *child = this_parent;
+		this_parent = child->d_parent;
+
+		spin_unlock(&child->d_lock);
+		spin_lock(&this_parent->d_lock);
+
+		/* go into the first sibling still alive */
+		do {
+			next = child->d_child.next;
+			if (next == &this_parent->d_subdirs)
+				goto ascend;
+			child = list_entry(next, struct dentry, d_child);
+		} while (unlikely(child->d_flags & DCACHE_DENTRY_KILLED));
+		rcu_read_unlock();
+		goto resume;
+	}
+	rcu_read_unlock();
+	spin_unlock(&this_parent->d_lock);
+	return;
+}
+
 static int tracefs_parse_options(char *data, struct tracefs_mount_opts *opts)
 {
 	substring_t args[MAX_OPT_ARGS];
@@ -194,6 +265,7 @@ static int tracefs_parse_options(char *data, struct tracefs_mount_opts *opts)
 			if (!gid_valid(gid))
 				return -EINVAL;
 			opts->gid = gid;
+			set_gid(tracefs_mount->mnt_root, gid);
 			break;
 		case Opt_mode:
 			if (match_octal(&args[0], &option))
@@ -411,6 +483,8 @@ struct dentry *tracefs_create_file(const char *name, umode_t mode,
 	inode->i_mode = mode;
 	inode->i_fop = fops ? fops : &tracefs_file_operations;
 	inode->i_private = data;
+	inode->i_uid = d_inode(dentry->d_parent)->i_uid;
+	inode->i_gid = d_inode(dentry->d_parent)->i_gid;
 	d_instantiate(dentry, inode);
 	fsnotify_create(dentry->d_parent->d_inode, dentry);
 	return end_creating(dentry);
@@ -433,6 +507,8 @@ static struct dentry *__create_dir(const char *name, struct dentry *parent,
 	inode->i_mode = S_IFDIR | S_IRWXU | S_IRUSR| S_IRGRP | S_IXUSR | S_IXGRP;
 	inode->i_op = ops;
 	inode->i_fop = &simple_dir_operations;
+	inode->i_uid = d_inode(dentry->d_parent)->i_uid;
+	inode->i_gid = d_inode(dentry->d_parent)->i_gid;
 
 	/* directory inodes start off with i_nlink == 2 (for "." entry) */
 	inc_nlink(inode);
diff --git a/fs/xfs/xfs_ioctl.c b/fs/xfs/xfs_ioctl.c
index e4a4f82ea13f..2e4f78d68b05 100644
--- a/fs/xfs/xfs_ioctl.c
+++ b/fs/xfs/xfs_ioctl.c
@@ -729,7 +729,8 @@ xfs_ioc_space(
 		flags |= XFS_PREALLOC_CLEAR;
 		if (bf->l_start > XFS_ISIZE(ip)) {
 			error = xfs_alloc_file_space(ip, XFS_ISIZE(ip),
-					bf->l_start - XFS_ISIZE(ip), 0);
+					bf->l_start - XFS_ISIZE(ip),
+					XFS_BMAPI_PREALLOC);
 			if (error)
 				goto out_unlock;
 		}
diff --git a/include/linux/hid.h b/include/linux/hid.h
index b2b37a1a039a..2e0c1bee2d92 100644
--- a/include/linux/hid.h
+++ b/include/linux/hid.h
@@ -760,6 +760,22 @@ struct hid_ll_driver {
 	int (*idle)(struct hid_device *hdev, int report, int idle, int reqtype);
 };
 
+extern struct hid_ll_driver i2c_hid_ll_driver;
+extern struct hid_ll_driver hidp_hid_driver;
+extern struct hid_ll_driver uhid_hid_driver;
+extern struct hid_ll_driver usb_hid_driver;
+
+static inline bool hid_is_using_ll_driver(struct hid_device *hdev,
+		struct hid_ll_driver *driver)
+{
+	return hdev->ll_driver == driver;
+}
+
+static inline bool hid_is_usb(struct hid_device *hdev)
+{
+	return hid_is_using_ll_driver(hdev, &usb_hid_driver);
+}
+
 #define	PM_HINT_FULLON	1<<5
 #define PM_HINT_NORMAL	1<<1
 
diff --git a/include/linux/wait.h b/include/linux/wait.h
index 513b36f04dfd..419b5b2bf547 100644
--- a/include/linux/wait.h
+++ b/include/linux/wait.h
@@ -151,6 +151,7 @@ void __wake_up_locked_key(wait_queue_head_t *q, unsigned int mode, void *key);
 void __wake_up_sync_key(wait_queue_head_t *q, unsigned int mode, int nr, void *key);
 void __wake_up_locked(wait_queue_head_t *q, unsigned int mode, int nr);
 void __wake_up_sync(wait_queue_head_t *q, unsigned int mode, int nr);
+void __wake_up_pollfree(wait_queue_head_t *wq_head);
 void __wake_up_bit(wait_queue_head_t *, void *, int);
 int __wait_on_bit(wait_queue_head_t *, struct wait_bit_queue *, wait_bit_action_f *, unsigned);
 int __wait_on_bit_lock(wait_queue_head_t *, struct wait_bit_queue *, wait_bit_action_f *, unsigned);
@@ -185,6 +186,31 @@ wait_queue_head_t *bit_waitqueue(void *, int);
 #define wake_up_interruptible_sync_poll(x, m)				\
 	__wake_up_sync_key((x), TASK_INTERRUPTIBLE, 1, (void *) (m))
 
+/**
+ * wake_up_pollfree - signal that a polled waitqueue is going away
+ * @wq_head: the wait queue head
+ *
+ * In the very rare cases where a ->poll() implementation uses a waitqueue whose
+ * lifetime is tied to a task rather than to the 'struct file' being polled,
+ * this function must be called before the waitqueue is freed so that
+ * non-blocking polls (e.g. epoll) are notified that the queue is going away.
+ *
+ * The caller must also RCU-delay the freeing of the wait_queue_head, e.g. via
+ * an explicit synchronize_rcu() or call_rcu(), or via SLAB_DESTROY_BY_RCU.
+ */
+static inline void wake_up_pollfree(wait_queue_head_t *wq_head)
+{
+	/*
+	 * For performance reasons, we don't always take the queue lock here.
+	 * Therefore, we might race with someone removing the last entry from
+	 * the queue, and proceed while they still hold the queue lock.
+	 * However, rcu_read_lock() is required to be held in such cases, so we
+	 * can safely proceed with an RCU-delayed free.
+	 */
+	if (waitqueue_active(wq_head))
+		__wake_up_pollfree(wq_head);
+}
+
 #define ___wait_cond_timeout(condition)					\
 ({									\
 	bool __cond = (condition);					\
diff --git a/include/uapi/linux/nfc.h b/include/uapi/linux/nfc.h
index 399f39ff8048..1b6d54a328ba 100644
--- a/include/uapi/linux/nfc.h
+++ b/include/uapi/linux/nfc.h
@@ -261,7 +261,7 @@ enum nfc_sdp_attr {
 #define NFC_SE_ENABLED  0x1
 
 struct sockaddr_nfc {
-	sa_family_t sa_family;
+	__kernel_sa_family_t sa_family;
 	__u32 dev_idx;
 	__u32 target_idx;
 	__u32 nfc_protocol;
@@ -269,14 +269,14 @@ struct sockaddr_nfc {
 
 #define NFC_LLCP_MAX_SERVICE_NAME 63
 struct sockaddr_nfc_llcp {
-	sa_family_t sa_family;
+	__kernel_sa_family_t sa_family;
 	__u32 dev_idx;
 	__u32 target_idx;
 	__u32 nfc_protocol;
 	__u8 dsap; /* Destination SAP, if known */
 	__u8 ssap; /* Source SAP to be bound to */
 	char service_name[NFC_LLCP_MAX_SERVICE_NAME]; /* Service name URI */;
-	size_t service_name_len;
+	__kernel_size_t service_name_len;
 };
 
 /* NFC socket protocols */
diff --git a/kernel/sched/wait.c b/kernel/sched/wait.c
index f15d6b6a538a..675228037d12 100644
--- a/kernel/sched/wait.c
+++ b/kernel/sched/wait.c
@@ -10,6 +10,7 @@
 #include <linux/wait.h>
 #include <linux/hash.h>
 #include <linux/kthread.h>
+#include <linux/poll.h>
 
 void __init_waitqueue_head(wait_queue_head_t *q, const char *name, struct lock_class_key *key)
 {
@@ -156,6 +157,13 @@ void __wake_up_sync(wait_queue_head_t *q, unsigned int mode, int nr_exclusive)
 }
 EXPORT_SYMBOL_GPL(__wake_up_sync);	/* For internal use only */
 
+void __wake_up_pollfree(wait_queue_head_t *wq_head)
+{
+	__wake_up(wq_head, TASK_NORMAL, 0, (void *)(POLLHUP | POLLFREE));
+	/* POLLFREE must have cleared the queue. */
+	WARN_ON_ONCE(waitqueue_active(wq_head));
+}
+
 /*
  * Note: we use "set_current_state()" _after_ the wait-queue add,
  * because we need a memory barrier there on SMP, so that any
diff --git a/kernel/time/timekeeping.c b/kernel/time/timekeeping.c
index 790988e66289..68d67fab5738 100644
--- a/kernel/time/timekeeping.c
+++ b/kernel/time/timekeeping.c
@@ -1003,8 +1003,7 @@ int do_settimeofday64(const struct timespec64 *ts)
 	timekeeping_forward_now(tk);
 
 	xt = tk_xtime(tk);
-	ts_delta.tv_sec = ts->tv_sec - xt.tv_sec;
-	ts_delta.tv_nsec = ts->tv_nsec - xt.tv_nsec;
+	ts_delta = timespec64_sub(*ts, xt);
 
 	if (timespec64_compare(&tk->wall_to_monotonic, &ts_delta) > 0) {
 		ret = -EINVAL;
diff --git a/lib/test_bpf.c b/lib/test_bpf.c
index 670c56bbd08e..c74e8744722b 100644
--- a/lib/test_bpf.c
+++ b/lib/test_bpf.c
@@ -4556,7 +4556,7 @@ static struct bpf_test tests[] = {
 		{ },
 		INTERNAL,
 		{ 0x34 },
-		{ { 1, 0xbef } },
+		{ { ETH_HLEN, 0xbef } },
 		.fill_helper = bpf_fill_ld_abs_vlan_push_pop,
 	},
 	/*
diff --git a/mm/backing-dev.c b/mm/backing-dev.c
index 39fc46c13950..1974b9225982 100644
--- a/mm/backing-dev.c
+++ b/mm/backing-dev.c
@@ -883,6 +883,13 @@ void bdi_unregister(struct backing_dev_info *bdi)
 	wb_shutdown(&bdi->wb);
 	cgwb_bdi_destroy(bdi);
 
+	/*
+	 * If this BDI's min ratio has been set, use bdi_set_min_ratio() to
+	 * update the global bdi_min_ratio.
+	 */
+	if (bdi->min_ratio)
+		bdi_set_min_ratio(bdi, 0);
+
 	if (bdi->dev) {
 		bdi_debug_unregister(bdi);
 		device_unregister(bdi->dev);
diff --git a/net/ax25/af_ax25.c b/net/ax25/af_ax25.c
index 64fede18aa33..f4c8567e91b3 100644
--- a/net/ax25/af_ax25.c
+++ b/net/ax25/af_ax25.c
@@ -88,8 +88,10 @@ static void ax25_kill_by_device(struct net_device *dev)
 again:
 	ax25_for_each(s, &ax25_list) {
 		if (s->ax25_dev == ax25_dev) {
-			s->ax25_dev = NULL;
 			spin_unlock_bh(&ax25_list_lock);
+			lock_sock(s->sk);
+			s->ax25_dev = NULL;
+			release_sock(s->sk);
 			ax25_disconnect(s, ENETUNREACH);
 			spin_lock_bh(&ax25_list_lock);
 
diff --git a/net/bluetooth/hidp/core.c b/net/bluetooth/hidp/core.c
index 960d4b718fd7..8e47a5392129 100644
--- a/net/bluetooth/hidp/core.c
+++ b/net/bluetooth/hidp/core.c
@@ -735,7 +735,7 @@ static void hidp_stop(struct hid_device *hid)
 	hid->claimed = 0;
 }
 
-static struct hid_ll_driver hidp_hid_driver = {
+struct hid_ll_driver hidp_hid_driver = {
 	.parse = hidp_parse,
 	.start = hidp_start,
 	.stop = hidp_stop,
@@ -744,6 +744,7 @@ static struct hid_ll_driver hidp_hid_driver = {
 	.raw_request = hidp_raw_request,
 	.output_report = hidp_output_report,
 };
+EXPORT_SYMBOL_GPL(hidp_hid_driver);
 
 /* This function sets up the hid device. It does not add it
    to the HID system. That is done in hidp_add_connection(). */
diff --git a/net/core/neighbour.c b/net/core/neighbour.c
index a924c2367dba..31393e30b6b4 100644
--- a/net/core/neighbour.c
+++ b/net/core/neighbour.c
@@ -597,7 +597,7 @@ struct pneigh_entry * pneigh_lookup(struct neigh_table *tbl,
 
 	ASSERT_RTNL();
 
-	n = kmalloc(sizeof(*n) + key_len, GFP_KERNEL);
+	n = kzalloc(sizeof(*n) + key_len, GFP_KERNEL);
 	if (!n)
 		goto out;
 
diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c
index 55eff963d1fe..cae1fac599b3 100644
--- a/net/ipv4/af_inet.c
+++ b/net/ipv4/af_inet.c
@@ -1802,6 +1802,10 @@ static int __init inet_init(void)
 
 	tcp_v4_init();
 
+	/* Initialise per-cpu ipv4 mibs */
+	if (init_ipv4_mibs())
+		panic("%s: Cannot init ipv4 mibs\n", __func__);
+
 	/* Setup TCP slab cache for open requests. */
 	tcp_init();
 
@@ -1830,12 +1834,6 @@ static int __init inet_init(void)
 
 	if (init_inet_pernet_ops())
 		pr_crit("%s: Cannot init ipv4 inet pernet ops\n", __func__);
-	/*
-	 *	Initialise per-cpu ipv4 mibs
-	 */
-
-	if (init_ipv4_mibs())
-		pr_crit("%s: Cannot init ipv4 mibs\n", __func__);
 
 	ipv4_proc_init();
 
diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index e6c70fe95833..0a0d44c53373 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -2567,7 +2567,7 @@ int udp4_seq_show(struct seq_file *seq, void *v)
 {
 	seq_setwidth(seq, 127);
 	if (v == SEQ_START_TOKEN)
-		seq_puts(seq, "  sl  local_address rem_address   st tx_queue "
+		seq_puts(seq, "   sl  local_address rem_address   st tx_queue "
 			   "rx_queue tr tm->when retrnsmt   uid  timeout "
 			   "inode ref pointer drops");
 	else {
diff --git a/net/ipv6/ip6_vti.c b/net/ipv6/ip6_vti.c
index 15f6b1ea8cce..9df1947e79eb 100644
--- a/net/ipv6/ip6_vti.c
+++ b/net/ipv6/ip6_vti.c
@@ -760,6 +760,8 @@ vti6_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
 	struct net *net = dev_net(dev);
 	struct vti6_net *ip6n = net_generic(net, vti6_net_id);
 
+	memset(&p1, 0, sizeof(p1));
+
 	switch (cmd) {
 	case SIOCGETTUNNEL:
 		if (dev == ip6n->fb_tnl_dev) {
diff --git a/net/mac80211/agg-tx.c b/net/mac80211/agg-tx.c
index 4932e9f243a2..3d49ffe8a34d 100644
--- a/net/mac80211/agg-tx.c
+++ b/net/mac80211/agg-tx.c
@@ -109,7 +109,7 @@ static void ieee80211_send_addba_request(struct ieee80211_sub_if_data *sdata,
 	mgmt->u.action.u.addba_req.start_seq_num =
 					cpu_to_le16(start_seq_num << 4);
 
-	ieee80211_tx_skb(sdata, skb);
+	ieee80211_tx_skb_tid(sdata, skb, tid);
 }
 
 void ieee80211_send_bar(struct ieee80211_vif *vif, u8 *ra, u16 tid, u16 ssn)
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 063ad42167fb..bae631cf549a 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -4431,7 +4431,7 @@ static int ieee80211_prep_connection(struct ieee80211_sub_if_data *sdata,
 
 	if (new_sta) {
 		u32 rates = 0, basic_rates = 0;
-		bool have_higher_than_11mbit;
+		bool have_higher_than_11mbit = false;
 		int min_rate = INT_MAX, min_rate_index = -1;
 		struct ieee80211_chanctx_conf *chanctx_conf;
 		const struct cfg80211_bss_ies *ies;
diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c
index 715d21f95316..98d8453eee27 100644
--- a/net/netlink/af_netlink.c
+++ b/net/netlink/af_netlink.c
@@ -1784,6 +1784,11 @@ static int netlink_sendmsg(struct socket *sock, struct msghdr *msg, size_t len)
 	if (msg->msg_flags&MSG_OOB)
 		return -EOPNOTSUPP;
 
+	if (len == 0) {
+		pr_warn_once("Zero length message leads to an empty skb\n");
+		return -ENODATA;
+	}
+
 	err = scm_send(sock, msg, &scm, true);
 	if (err < 0)
 		return err;
diff --git a/net/nfc/netlink.c b/net/nfc/netlink.c
index c90dc2fd13a7..4286b900a306 100644
--- a/net/nfc/netlink.c
+++ b/net/nfc/netlink.c
@@ -632,8 +632,10 @@ static int nfc_genl_dump_devices_done(struct netlink_callback *cb)
 {
 	struct class_dev_iter *iter = (struct class_dev_iter *) cb->args[0];
 
-	nfc_device_iter_exit(iter);
-	kfree(iter);
+	if (iter) {
+		nfc_device_iter_exit(iter);
+		kfree(iter);
+	}
 
 	return 0;
 }
@@ -1366,8 +1368,10 @@ static int nfc_genl_dump_ses_done(struct netlink_callback *cb)
 {
 	struct class_dev_iter *iter = (struct class_dev_iter *) cb->args[0];
 
-	nfc_device_iter_exit(iter);
-	kfree(iter);
+	if (iter) {
+		nfc_device_iter_exit(iter);
+		kfree(iter);
+	}
 
 	return 0;
 }
diff --git a/net/phonet/pep.c b/net/phonet/pep.c
index f6aa532bcbf6..a734d47c5eb1 100644
--- a/net/phonet/pep.c
+++ b/net/phonet/pep.c
@@ -878,6 +878,7 @@ static struct sock *pep_sock_accept(struct sock *sk, int flags, int *errp)
 
 	err = pep_accept_conn(newsk, skb);
 	if (err) {
+		__sock_put(sk);
 		sock_put(newsk);
 		newsk = NULL;
 		goto drop;
@@ -956,6 +957,8 @@ static int pep_ioctl(struct sock *sk, int cmd, unsigned long arg)
 			ret =  -EBUSY;
 		else if (sk->sk_state == TCP_ESTABLISHED)
 			ret = -EISCONN;
+		else if (!pn->pn_sk.sobject)
+			ret = -EADDRNOTAVAIL;
 		else
 			ret = pep_sock_enable(sk, NULL, 0);
 		release_sock(sk);
diff --git a/net/sched/sch_qfq.c b/net/sched/sch_qfq.c
index 8dabd8257b49..d466fab84261 100644
--- a/net/sched/sch_qfq.c
+++ b/net/sched/sch_qfq.c
@@ -1479,10 +1479,8 @@ static int qfq_init_qdisc(struct Qdisc *sch, struct nlattr *opt)
 	if (err < 0)
 		return err;
 
-	if (qdisc_dev(sch)->tx_queue_len + 1 > QFQ_MAX_AGG_CLASSES)
-		max_classes = QFQ_MAX_AGG_CLASSES;
-	else
-		max_classes = qdisc_dev(sch)->tx_queue_len + 1;
+	max_classes = min_t(u64, (u64)qdisc_dev(sch)->tx_queue_len + 1,
+			    QFQ_MAX_AGG_CLASSES);
 	/* max_cl_shift = floor(log_2(max_classes)) */
 	max_cl_shift = __fls(max_classes);
 	q->max_agg_classes = 1<<max_cl_shift;
diff --git a/scripts/recordmcount.pl b/scripts/recordmcount.pl
index 5ca4ec297019..e1de4423abce 100755
--- a/scripts/recordmcount.pl
+++ b/scripts/recordmcount.pl
@@ -248,7 +248,7 @@ if ($arch eq "x86_64") {
 
 } elsif ($arch eq "s390" && $bits == 64) {
     if ($cc =~ /-DCC_USING_HOTPATCH/) {
-	$mcount_regex = "^\\s*([0-9a-fA-F]+):\\s*c0 04 00 00 00 00\\s*brcl\\s*0,[0-9a-f]+ <([^\+]*)>\$";
+	$mcount_regex = "^\\s*([0-9a-fA-F]+):\\s*c0 04 00 00 00 00\\s*(brcl\\s*0,|jgnop\\s*)[0-9a-f]+ <([^\+]*)>\$";
 	$mcount_adjust = 0;
     } else {
 	$mcount_regex = "^\\s*([0-9a-fA-F]+):\\s*R_390_(PC|PLT)32DBL\\s+_mcount\\+0x2\$";
diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c
index 44f841379786..65adfa63f118 100644
--- a/security/selinux/hooks.c
+++ b/security/selinux/hooks.c
@@ -5026,7 +5026,7 @@ static unsigned int selinux_ip_postroute_compat(struct sk_buff *skb,
 	struct common_audit_data ad;
 	struct lsm_network_audit net = {0,};
 	char *addrp;
-	u8 proto;
+	u8 proto = 0;
 
 	if (sk == NULL)
 		return NF_ACCEPT;
diff --git a/sound/core/control_compat.c b/sound/core/control_compat.c
index ac0a40b9ba1e..3fd7f67e701e 100644
--- a/sound/core/control_compat.c
+++ b/sound/core/control_compat.c
@@ -281,6 +281,7 @@ static int copy_ctl_value_to_user(void __user *userdata,
 				  struct snd_ctl_elem_value *data,
 				  int type, int count)
 {
+	struct snd_ctl_elem_value32 __user *data32 = userdata;
 	int i, size;
 
 	if (type == SNDRV_CTL_ELEM_TYPE_BOOLEAN ||
@@ -297,6 +298,8 @@ static int copy_ctl_value_to_user(void __user *userdata,
 		if (copy_to_user(valuep, data->value.bytes.data, size))
 			return -EFAULT;
 	}
+	if (copy_to_user(&data32->id, &data->id, sizeof(data32->id)))
+		return -EFAULT;
 	return 0;
 }
 
diff --git a/sound/core/jack.c b/sound/core/jack.c
index 45e9781b592e..cb0d241ebfbd 100644
--- a/sound/core/jack.c
+++ b/sound/core/jack.c
@@ -231,6 +231,10 @@ int snd_jack_new(struct snd_card *card, const char *id, int type,
 		return -ENOMEM;
 
 	jack->id = kstrdup(id, GFP_KERNEL);
+	if (jack->id == NULL) {
+		kfree(jack);
+		return -ENOMEM;
+	}
 
 	/* don't creat input device for phantom jack */
 	if (!phantom_jack) {
diff --git a/sound/core/oss/pcm_oss.c b/sound/core/oss/pcm_oss.c
index 1d1faf192517..593791d9a334 100644
--- a/sound/core/oss/pcm_oss.c
+++ b/sound/core/oss/pcm_oss.c
@@ -172,7 +172,7 @@ snd_pcm_hw_param_value_min(const struct snd_pcm_hw_params *params,
  *
  * Return the maximum value for field PAR.
  */
-static unsigned int
+static int
 snd_pcm_hw_param_value_max(const struct snd_pcm_hw_params *params,
 			   snd_pcm_hw_param_t var, int *dir)
 {
@@ -707,18 +707,24 @@ static int snd_pcm_oss_period_size(struct snd_pcm_substream *substream,
 				   struct snd_pcm_hw_params *oss_params,
 				   struct snd_pcm_hw_params *slave_params)
 {
-	size_t s;
-	size_t oss_buffer_size, oss_period_size, oss_periods;
-	size_t min_period_size, max_period_size;
+	ssize_t s;
+	ssize_t oss_buffer_size;
+	ssize_t oss_period_size, oss_periods;
+	ssize_t min_period_size, max_period_size;
 	struct snd_pcm_runtime *runtime = substream->runtime;
 	size_t oss_frame_size;
 
 	oss_frame_size = snd_pcm_format_physical_width(params_format(oss_params)) *
 			 params_channels(oss_params) / 8;
 
+	oss_buffer_size = snd_pcm_hw_param_value_max(slave_params,
+						     SNDRV_PCM_HW_PARAM_BUFFER_SIZE,
+						     NULL);
+	if (oss_buffer_size <= 0)
+		return -EINVAL;
 	oss_buffer_size = snd_pcm_plug_client_size(substream,
-						   snd_pcm_hw_param_value_max(slave_params, SNDRV_PCM_HW_PARAM_BUFFER_SIZE, NULL)) * oss_frame_size;
-	if (!oss_buffer_size)
+						   oss_buffer_size * oss_frame_size);
+	if (oss_buffer_size <= 0)
 		return -EINVAL;
 	oss_buffer_size = rounddown_pow_of_two(oss_buffer_size);
 	if (atomic_read(&substream->mmap_count)) {
@@ -755,7 +761,7 @@ static int snd_pcm_oss_period_size(struct snd_pcm_substream *substream,
 
 	min_period_size = snd_pcm_plug_client_size(substream,
 						   snd_pcm_hw_param_value_min(slave_params, SNDRV_PCM_HW_PARAM_PERIOD_SIZE, NULL));
-	if (min_period_size) {
+	if (min_period_size > 0) {
 		min_period_size *= oss_frame_size;
 		min_period_size = roundup_pow_of_two(min_period_size);
 		if (oss_period_size < min_period_size)
@@ -764,7 +770,7 @@ static int snd_pcm_oss_period_size(struct snd_pcm_substream *substream,
 
 	max_period_size = snd_pcm_plug_client_size(substream,
 						   snd_pcm_hw_param_value_max(slave_params, SNDRV_PCM_HW_PARAM_PERIOD_SIZE, NULL));
-	if (max_period_size) {
+	if (max_period_size > 0) {
 		max_period_size *= oss_frame_size;
 		max_period_size = rounddown_pow_of_two(max_period_size);
 		if (oss_period_size > max_period_size)
@@ -777,7 +783,7 @@ static int snd_pcm_oss_period_size(struct snd_pcm_substream *substream,
 		oss_periods = substream->oss.setup.periods;
 
 	s = snd_pcm_hw_param_value_max(slave_params, SNDRV_PCM_HW_PARAM_PERIODS, NULL);
-	if (runtime->oss.maxfrags && s > runtime->oss.maxfrags)
+	if (s > 0 && runtime->oss.maxfrags && s > runtime->oss.maxfrags)
 		s = runtime->oss.maxfrags;
 	if (oss_periods > s)
 		oss_periods = s;
@@ -903,8 +909,15 @@ static int snd_pcm_oss_change_params_locked(struct snd_pcm_substream *substream)
 		err = -EINVAL;
 		goto failure;
 	}
-	choose_rate(substream, sparams, runtime->oss.rate);
-	snd_pcm_hw_param_near(substream, sparams, SNDRV_PCM_HW_PARAM_CHANNELS, runtime->oss.channels, NULL);
+
+	err = choose_rate(substream, sparams, runtime->oss.rate);
+	if (err < 0)
+		goto failure;
+	err = snd_pcm_hw_param_near(substream, sparams,
+				    SNDRV_PCM_HW_PARAM_CHANNELS,
+				    runtime->oss.channels, NULL);
+	if (err < 0)
+		goto failure;
 
 	format = snd_pcm_oss_format_from(runtime->oss.format);
 
@@ -2012,7 +2025,7 @@ static int snd_pcm_oss_set_fragment1(struct snd_pcm_substream *substream, unsign
 	if (runtime->oss.subdivision || runtime->oss.fragshift)
 		return -EINVAL;
 	fragshift = val & 0xffff;
-	if (fragshift >= 31)
+	if (fragshift >= 25) /* should be large enough */
 		return -EINVAL;
 	runtime->oss.fragshift = fragshift;
 	runtime->oss.maxfrags = (val >> 16) & 0xffff;
diff --git a/sound/drivers/opl3/opl3_midi.c b/sound/drivers/opl3/opl3_midi.c
index 7821b07415a7..ff67c4b67e26 100644
--- a/sound/drivers/opl3/opl3_midi.c
+++ b/sound/drivers/opl3/opl3_midi.c
@@ -415,7 +415,7 @@ void snd_opl3_note_on(void *p, int note, int vel, struct snd_midi_channel *chan)
 	}
 	if (instr_4op) {
 		vp2 = &opl3->voices[voice + 3];
-		if (vp->state > 0) {
+		if (vp2->state > 0) {
 			opl3_reg = reg_side | (OPL3_REG_KEYON_BLOCK +
 					       voice_offset + 3);
 			reg_val = vp->keyon_reg & ~OPL3_KEYON_BIT;