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Message-Id: <161600122122986@kroah.com>
Date: Wed, 17 Mar 2021 18:13:42 +0100
From: gregkh@...uxfoundation.org
To: linux-kernel@...r.kernel.org, akpm@...ux-foundation.org,
torvalds@...ux-foundation.org, stable@...r.kernel.org
Cc: lwn@....net, jslaby@...e.cz,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Subject: Re: Linux 4.9.262
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
diff --git a/Makefile b/Makefile
index 7a233c641906..be5eac0a12d3 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
VERSION = 4
PATCHLEVEL = 9
-SUBLEVEL = 261
+SUBLEVEL = 262
EXTRAVERSION =
NAME = Roaring Lionus
diff --git a/arch/alpha/include/asm/uaccess.h b/arch/alpha/include/asm/uaccess.h
index 94f587535dee..181254a20a2a 100644
--- a/arch/alpha/include/asm/uaccess.h
+++ b/arch/alpha/include/asm/uaccess.h
@@ -341,45 +341,17 @@ __asm__ __volatile__("1: stb %r2,%1\n" \
* Complex access routines
*/
-/* This little bit of silliness is to get the GP loaded for a function
- that ordinarily wouldn't. Otherwise we could have it done by the macro
- directly, which can be optimized the linker. */
-#ifdef MODULE
-#define __module_address(sym) "r"(sym),
-#define __module_call(ra, arg, sym) "jsr $" #ra ",(%" #arg ")," #sym
-#else
-#define __module_address(sym)
-#define __module_call(ra, arg, sym) "bsr $" #ra "," #sym " !samegp"
-#endif
-
-extern void __copy_user(void);
-
-extern inline long
-__copy_tofrom_user_nocheck(void *to, const void *from, long len)
-{
- register void * __cu_to __asm__("$6") = to;
- register const void * __cu_from __asm__("$7") = from;
- register long __cu_len __asm__("$0") = len;
-
- __asm__ __volatile__(
- __module_call(28, 3, __copy_user)
- : "=r" (__cu_len), "=r" (__cu_from), "=r" (__cu_to)
- : __module_address(__copy_user)
- "0" (__cu_len), "1" (__cu_from), "2" (__cu_to)
- : "$1", "$2", "$3", "$4", "$5", "$28", "memory");
-
- return __cu_len;
-}
+extern long __copy_user(void *to, const void *from, long len);
-#define __copy_to_user(to, from, n) \
-({ \
- __chk_user_ptr(to); \
- __copy_tofrom_user_nocheck((__force void *)(to), (from), (n)); \
+#define __copy_to_user(to, from, n) \
+({ \
+ __chk_user_ptr(to); \
+ __copy_user((__force void *)(to), (from), (n)); \
})
-#define __copy_from_user(to, from, n) \
-({ \
- __chk_user_ptr(from); \
- __copy_tofrom_user_nocheck((to), (__force void *)(from), (n)); \
+#define __copy_from_user(to, from, n) \
+({ \
+ __chk_user_ptr(from); \
+ __copy_user((to), (__force void *)(from), (n)); \
})
#define __copy_to_user_inatomic __copy_to_user
@@ -389,7 +361,7 @@ extern inline long
copy_to_user(void __user *to, const void *from, long n)
{
if (likely(__access_ok((unsigned long)to, n, get_fs())))
- n = __copy_tofrom_user_nocheck((__force void *)to, from, n);
+ n = __copy_user((__force void *)to, from, n);
return n;
}
@@ -404,21 +376,7 @@ copy_from_user(void *to, const void __user *from, long n)
return res;
}
-extern void __do_clear_user(void);
-
-extern inline long
-__clear_user(void __user *to, long len)
-{
- register void __user * __cl_to __asm__("$6") = to;
- register long __cl_len __asm__("$0") = len;
- __asm__ __volatile__(
- __module_call(28, 2, __do_clear_user)
- : "=r"(__cl_len), "=r"(__cl_to)
- : __module_address(__do_clear_user)
- "0"(__cl_len), "1"(__cl_to)
- : "$1", "$2", "$3", "$4", "$5", "$28", "memory");
- return __cl_len;
-}
+extern long __clear_user(void __user *to, long len);
extern inline long
clear_user(void __user *to, long len)
@@ -428,9 +386,6 @@ clear_user(void __user *to, long len)
return len;
}
-#undef __module_address
-#undef __module_call
-
#define user_addr_max() \
(segment_eq(get_fs(), USER_DS) ? TASK_SIZE : ~0UL)
diff --git a/arch/alpha/lib/Makefile b/arch/alpha/lib/Makefile
index 59660743237c..a80815960364 100644
--- a/arch/alpha/lib/Makefile
+++ b/arch/alpha/lib/Makefile
@@ -20,12 +20,8 @@ lib-y = __divqu.o __remqu.o __divlu.o __remlu.o \
checksum.o \
csum_partial_copy.o \
$(ev67-y)strlen.o \
- $(ev67-y)strcat.o \
- strcpy.o \
- $(ev67-y)strncat.o \
- strncpy.o \
- $(ev6-y)stxcpy.o \
- $(ev6-y)stxncpy.o \
+ stycpy.o \
+ styncpy.o \
$(ev67-y)strchr.o \
$(ev67-y)strrchr.o \
$(ev6-y)memchr.o \
@@ -46,11 +42,20 @@ AFLAGS___remqu.o = -DREM
AFLAGS___divlu.o = -DDIV -DINTSIZE
AFLAGS___remlu.o = -DREM -DINTSIZE
-$(obj)/__divqu.o: $(obj)/$(ev6-y)divide.S
- $(cmd_as_o_S)
-$(obj)/__remqu.o: $(obj)/$(ev6-y)divide.S
- $(cmd_as_o_S)
-$(obj)/__divlu.o: $(obj)/$(ev6-y)divide.S
- $(cmd_as_o_S)
-$(obj)/__remlu.o: $(obj)/$(ev6-y)divide.S
- $(cmd_as_o_S)
+$(addprefix $(obj)/,__divqu.o __remqu.o __divlu.o __remlu.o): \
+ $(src)/$(ev6-y)divide.S FORCE
+ $(call if_changed_rule,as_o_S)
+
+# There are direct branches between {str*cpy,str*cat} and stx*cpy.
+# Ensure the branches are within range by merging these objects.
+
+LDFLAGS_stycpy.o := -r
+LDFLAGS_styncpy.o := -r
+
+$(obj)/stycpy.o: $(obj)/strcpy.o $(obj)/$(ev67-y)strcat.o \
+ $(obj)/$(ev6-y)stxcpy.o FORCE
+ $(call if_changed,ld)
+
+$(obj)/styncpy.o: $(obj)/strncpy.o $(obj)/$(ev67-y)strncat.o \
+ $(obj)/$(ev6-y)stxncpy.o FORCE
+ $(call if_changed,ld)
diff --git a/arch/alpha/lib/clear_user.S b/arch/alpha/lib/clear_user.S
index bf5b931866ba..006f469fef73 100644
--- a/arch/alpha/lib/clear_user.S
+++ b/arch/alpha/lib/clear_user.S
@@ -8,21 +8,6 @@
* right "bytes left to zero" value (and that it is updated only _after_
* a successful copy). There is also some rather minor exception setup
* stuff.
- *
- * NOTE! This is not directly C-callable, because the calling semantics
- * are different:
- *
- * Inputs:
- * length in $0
- * destination address in $6
- * exception pointer in $7
- * return address in $28 (exceptions expect it there)
- *
- * Outputs:
- * bytes left to copy in $0
- *
- * Clobbers:
- * $1,$2,$3,$4,$5,$6
*/
#include <asm/export.h>
@@ -38,62 +23,63 @@
.set noreorder
.align 4
- .globl __do_clear_user
- .ent __do_clear_user
- .frame $30, 0, $28
+ .globl __clear_user
+ .ent __clear_user
+ .frame $30, 0, $26
.prologue 0
$loop:
and $1, 3, $4 # e0 :
beq $4, 1f # .. e1 :
-0: EX( stq_u $31, 0($6) ) # e0 : zero one word
+0: EX( stq_u $31, 0($16) ) # e0 : zero one word
subq $0, 8, $0 # .. e1 :
subq $4, 1, $4 # e0 :
- addq $6, 8, $6 # .. e1 :
+ addq $16, 8, $16 # .. e1 :
bne $4, 0b # e1 :
unop # :
1: bic $1, 3, $1 # e0 :
beq $1, $tail # .. e1 :
-2: EX( stq_u $31, 0($6) ) # e0 : zero four words
+2: EX( stq_u $31, 0($16) ) # e0 : zero four words
subq $0, 8, $0 # .. e1 :
- EX( stq_u $31, 8($6) ) # e0 :
+ EX( stq_u $31, 8($16) ) # e0 :
subq $0, 8, $0 # .. e1 :
- EX( stq_u $31, 16($6) ) # e0 :
+ EX( stq_u $31, 16($16) ) # e0 :
subq $0, 8, $0 # .. e1 :
- EX( stq_u $31, 24($6) ) # e0 :
+ EX( stq_u $31, 24($16) ) # e0 :
subq $0, 8, $0 # .. e1 :
subq $1, 4, $1 # e0 :
- addq $6, 32, $6 # .. e1 :
+ addq $16, 32, $16 # .. e1 :
bne $1, 2b # e1 :
$tail:
bne $2, 1f # e1 : is there a tail to do?
- ret $31, ($28), 1 # .. e1 :
+ ret $31, ($26), 1 # .. e1 :
-1: EX( ldq_u $5, 0($6) ) # e0 :
+1: EX( ldq_u $5, 0($16) ) # e0 :
clr $0 # .. e1 :
nop # e1 :
mskqh $5, $0, $5 # e0 :
- EX( stq_u $5, 0($6) ) # e0 :
- ret $31, ($28), 1 # .. e1 :
+ EX( stq_u $5, 0($16) ) # e0 :
+ ret $31, ($26), 1 # .. e1 :
-__do_clear_user:
- and $6, 7, $4 # e0 : find dest misalignment
+__clear_user:
+ and $17, $17, $0
+ and $16, 7, $4 # e0 : find dest misalignment
beq $0, $zerolength # .. e1 :
addq $0, $4, $1 # e0 : bias counter
and $1, 7, $2 # e1 : number of bytes in tail
srl $1, 3, $1 # e0 :
beq $4, $loop # .. e1 :
- EX( ldq_u $5, 0($6) ) # e0 : load dst word to mask back in
+ EX( ldq_u $5, 0($16) ) # e0 : load dst word to mask back in
beq $1, $oneword # .. e1 : sub-word store?
- mskql $5, $6, $5 # e0 : take care of misaligned head
- addq $6, 8, $6 # .. e1 :
- EX( stq_u $5, -8($6) ) # e0 :
+ mskql $5, $16, $5 # e0 : take care of misaligned head
+ addq $16, 8, $16 # .. e1 :
+ EX( stq_u $5, -8($16) ) # e0 :
addq $0, $4, $0 # .. e1 : bytes left -= 8 - misalignment
subq $1, 1, $1 # e0 :
subq $0, 8, $0 # .. e1 :
@@ -101,15 +87,15 @@ __do_clear_user:
unop # :
$oneword:
- mskql $5, $6, $4 # e0 :
+ mskql $5, $16, $4 # e0 :
mskqh $5, $2, $5 # e0 :
or $5, $4, $5 # e1 :
- EX( stq_u $5, 0($6) ) # e0 :
+ EX( stq_u $5, 0($16) ) # e0 :
clr $0 # .. e1 :
$zerolength:
$exception:
- ret $31, ($28), 1 # .. e1 :
+ ret $31, ($26), 1 # .. e1 :
- .end __do_clear_user
- EXPORT_SYMBOL(__do_clear_user)
+ .end __clear_user
+ EXPORT_SYMBOL(__clear_user)
diff --git a/arch/alpha/lib/copy_user.S b/arch/alpha/lib/copy_user.S
index 509f62b65311..159f1b7e6e49 100644
--- a/arch/alpha/lib/copy_user.S
+++ b/arch/alpha/lib/copy_user.S
@@ -9,21 +9,6 @@
* contains the right "bytes left to copy" value (and that it is updated
* only _after_ a successful copy). There is also some rather minor
* exception setup stuff..
- *
- * NOTE! This is not directly C-callable, because the calling semantics are
- * different:
- *
- * Inputs:
- * length in $0
- * destination address in $6
- * source address in $7
- * return address in $28
- *
- * Outputs:
- * bytes left to copy in $0
- *
- * Clobbers:
- * $1,$2,$3,$4,$5,$6,$7
*/
#include <asm/export.h>
@@ -49,58 +34,59 @@
.ent __copy_user
__copy_user:
.prologue 0
- and $6,7,$3
+ and $18,$18,$0
+ and $16,7,$3
beq $0,$35
beq $3,$36
subq $3,8,$3
.align 4
$37:
- EXI( ldq_u $1,0($7) )
- EXO( ldq_u $2,0($6) )
- extbl $1,$7,$1
- mskbl $2,$6,$2
- insbl $1,$6,$1
+ EXI( ldq_u $1,0($17) )
+ EXO( ldq_u $2,0($16) )
+ extbl $1,$17,$1
+ mskbl $2,$16,$2
+ insbl $1,$16,$1
addq $3,1,$3
bis $1,$2,$1
- EXO( stq_u $1,0($6) )
+ EXO( stq_u $1,0($16) )
subq $0,1,$0
- addq $6,1,$6
- addq $7,1,$7
+ addq $16,1,$16
+ addq $17,1,$17
beq $0,$41
bne $3,$37
$36:
- and $7,7,$1
+ and $17,7,$1
bic $0,7,$4
beq $1,$43
beq $4,$48
- EXI( ldq_u $3,0($7) )
+ EXI( ldq_u $3,0($17) )
.align 4
$50:
- EXI( ldq_u $2,8($7) )
+ EXI( ldq_u $2,8($17) )
subq $4,8,$4
- extql $3,$7,$3
- extqh $2,$7,$1
+ extql $3,$17,$3
+ extqh $2,$17,$1
bis $3,$1,$1
- EXO( stq $1,0($6) )
- addq $7,8,$7
+ EXO( stq $1,0($16) )
+ addq $17,8,$17
subq $0,8,$0
- addq $6,8,$6
+ addq $16,8,$16
bis $2,$2,$3
bne $4,$50
$48:
beq $0,$41
.align 4
$57:
- EXI( ldq_u $1,0($7) )
- EXO( ldq_u $2,0($6) )
- extbl $1,$7,$1
- mskbl $2,$6,$2
- insbl $1,$6,$1
+ EXI( ldq_u $1,0($17) )
+ EXO( ldq_u $2,0($16) )
+ extbl $1,$17,$1
+ mskbl $2,$16,$2
+ insbl $1,$16,$1
bis $1,$2,$1
- EXO( stq_u $1,0($6) )
+ EXO( stq_u $1,0($16) )
subq $0,1,$0
- addq $6,1,$6
- addq $7,1,$7
+ addq $16,1,$16
+ addq $17,1,$17
bne $0,$57
br $31,$41
.align 4
@@ -108,27 +94,27 @@ $43:
beq $4,$65
.align 4
$66:
- EXI( ldq $1,0($7) )
+ EXI( ldq $1,0($17) )
subq $4,8,$4
- EXO( stq $1,0($6) )
- addq $7,8,$7
+ EXO( stq $1,0($16) )
+ addq $17,8,$17
subq $0,8,$0
- addq $6,8,$6
+ addq $16,8,$16
bne $4,$66
$65:
beq $0,$41
- EXI( ldq $2,0($7) )
- EXO( ldq $1,0($6) )
+ EXI( ldq $2,0($17) )
+ EXO( ldq $1,0($16) )
mskql $2,$0,$2
mskqh $1,$0,$1
bis $2,$1,$2
- EXO( stq $2,0($6) )
+ EXO( stq $2,0($16) )
bis $31,$31,$0
$41:
$35:
$exitin:
$exitout:
- ret $31,($28),1
+ ret $31,($26),1
.end __copy_user
EXPORT_SYMBOL(__copy_user)
diff --git a/arch/alpha/lib/ev6-clear_user.S b/arch/alpha/lib/ev6-clear_user.S
index 05bef6b50598..e179e4757ef8 100644
--- a/arch/alpha/lib/ev6-clear_user.S
+++ b/arch/alpha/lib/ev6-clear_user.S
@@ -9,21 +9,6 @@
* a successful copy). There is also some rather minor exception setup
* stuff.
*
- * NOTE! This is not directly C-callable, because the calling semantics
- * are different:
- *
- * Inputs:
- * length in $0
- * destination address in $6
- * exception pointer in $7
- * return address in $28 (exceptions expect it there)
- *
- * Outputs:
- * bytes left to copy in $0
- *
- * Clobbers:
- * $1,$2,$3,$4,$5,$6
- *
* Much of the information about 21264 scheduling/coding comes from:
* Compiler Writer's Guide for the Alpha 21264
* abbreviated as 'CWG' in other comments here
@@ -56,14 +41,15 @@
.set noreorder
.align 4
- .globl __do_clear_user
- .ent __do_clear_user
- .frame $30, 0, $28
+ .globl __clear_user
+ .ent __clear_user
+ .frame $30, 0, $26
.prologue 0
# Pipeline info : Slotting & Comments
-__do_clear_user:
- and $6, 7, $4 # .. E .. .. : find dest head misalignment
+__clear_user:
+ and $17, $17, $0
+ and $16, 7, $4 # .. E .. .. : find dest head misalignment
beq $0, $zerolength # U .. .. .. : U L U L
addq $0, $4, $1 # .. .. .. E : bias counter
@@ -75,14 +61,14 @@ __do_clear_user:
/*
* Head is not aligned. Write (8 - $4) bytes to head of destination
- * This means $6 is known to be misaligned
+ * This means $16 is known to be misaligned
*/
- EX( ldq_u $5, 0($6) ) # .. .. .. L : load dst word to mask back in
+ EX( ldq_u $5, 0($16) ) # .. .. .. L : load dst word to mask back in
beq $1, $onebyte # .. .. U .. : sub-word store?
- mskql $5, $6, $5 # .. U .. .. : take care of misaligned head
- addq $6, 8, $6 # E .. .. .. : L U U L
+ mskql $5, $16, $5 # .. U .. .. : take care of misaligned head
+ addq $16, 8, $16 # E .. .. .. : L U U L
- EX( stq_u $5, -8($6) ) # .. .. .. L :
+ EX( stq_u $5, -8($16) ) # .. .. .. L :
subq $1, 1, $1 # .. .. E .. :
addq $0, $4, $0 # .. E .. .. : bytes left -= 8 - misalignment
subq $0, 8, $0 # E .. .. .. : U L U L
@@ -93,11 +79,11 @@ __do_clear_user:
* values upon initial entry to the loop
* $1 is number of quadwords to clear (zero is a valid value)
* $2 is number of trailing bytes (0..7) ($2 never used...)
- * $6 is known to be aligned 0mod8
+ * $16 is known to be aligned 0mod8
*/
$headalign:
subq $1, 16, $4 # .. .. .. E : If < 16, we can not use the huge loop
- and $6, 0x3f, $2 # .. .. E .. : Forward work for huge loop
+ and $16, 0x3f, $2 # .. .. E .. : Forward work for huge loop
subq $2, 0x40, $3 # .. E .. .. : bias counter (huge loop)
blt $4, $trailquad # U .. .. .. : U L U L
@@ -114,21 +100,21 @@ $headalign:
beq $3, $bigalign # U .. .. .. : U L U L : Aligned 0mod64
$alignmod64:
- EX( stq_u $31, 0($6) ) # .. .. .. L
+ EX( stq_u $31, 0($16) ) # .. .. .. L
addq $3, 8, $3 # .. .. E ..
subq $0, 8, $0 # .. E .. ..
nop # E .. .. .. : U L U L
nop # .. .. .. E
subq $1, 1, $1 # .. .. E ..
- addq $6, 8, $6 # .. E .. ..
+ addq $16, 8, $16 # .. E .. ..
blt $3, $alignmod64 # U .. .. .. : U L U L
$bigalign:
/*
* $0 is the number of bytes left
* $1 is the number of quads left
- * $6 is aligned 0mod64
+ * $16 is aligned 0mod64
* we know that we'll be taking a minimum of one trip through
* CWG Section 3.7.6: do not expect a sustained store rate of > 1/cycle
* We are _not_ going to update $0 after every single store. That
@@ -145,39 +131,39 @@ $bigalign:
nop # E :
nop # E :
nop # E :
- bis $6,$6,$3 # E : U L U L : Initial wh64 address is dest
+ bis $16,$16,$3 # E : U L U L : Initial wh64 address is dest
/* This might actually help for the current trip... */
$do_wh64:
wh64 ($3) # .. .. .. L1 : memory subsystem hint
subq $1, 16, $4 # .. .. E .. : Forward calculation - repeat the loop?
- EX( stq_u $31, 0($6) ) # .. L .. ..
+ EX( stq_u $31, 0($16) ) # .. L .. ..
subq $0, 8, $0 # E .. .. .. : U L U L
- addq $6, 128, $3 # E : Target address of wh64
- EX( stq_u $31, 8($6) ) # L :
- EX( stq_u $31, 16($6) ) # L :
+ addq $16, 128, $3 # E : Target address of wh64
+ EX( stq_u $31, 8($16) ) # L :
+ EX( stq_u $31, 16($16) ) # L :
subq $0, 16, $0 # E : U L L U
nop # E :
- EX( stq_u $31, 24($6) ) # L :
- EX( stq_u $31, 32($6) ) # L :
+ EX( stq_u $31, 24($16) ) # L :
+ EX( stq_u $31, 32($16) ) # L :
subq $0, 168, $5 # E : U L L U : two trips through the loop left?
/* 168 = 192 - 24, since we've already completed some stores */
subq $0, 16, $0 # E :
- EX( stq_u $31, 40($6) ) # L :
- EX( stq_u $31, 48($6) ) # L :
- cmovlt $5, $6, $3 # E : U L L U : Latency 2, extra mapping cycle
+ EX( stq_u $31, 40($16) ) # L :
+ EX( stq_u $31, 48($16) ) # L :
+ cmovlt $5, $16, $3 # E : U L L U : Latency 2, extra mapping cycle
subq $1, 8, $1 # E :
subq $0, 16, $0 # E :
- EX( stq_u $31, 56($6) ) # L :
+ EX( stq_u $31, 56($16) ) # L :
nop # E : U L U L
nop # E :
subq $0, 8, $0 # E :
- addq $6, 64, $6 # E :
+ addq $16, 64, $16 # E :
bge $4, $do_wh64 # U : U L U L
$trailquad:
@@ -190,14 +176,14 @@ $trailquad:
beq $1, $trailbytes # U .. .. .. : U L U L : Only 0..7 bytes to go
$onequad:
- EX( stq_u $31, 0($6) ) # .. .. .. L
+ EX( stq_u $31, 0($16) ) # .. .. .. L
subq $1, 1, $1 # .. .. E ..
subq $0, 8, $0 # .. E .. ..
nop # E .. .. .. : U L U L
nop # .. .. .. E
nop # .. .. E ..
- addq $6, 8, $6 # .. E .. ..
+ addq $16, 8, $16 # .. E .. ..
bgt $1, $onequad # U .. .. .. : U L U L
# We have an unknown number of bytes left to go.
@@ -211,9 +197,9 @@ $trailbytes:
# so we will use $0 as the loop counter
# We know for a fact that $0 > 0 zero due to previous context
$onebyte:
- EX( stb $31, 0($6) ) # .. .. .. L
+ EX( stb $31, 0($16) ) # .. .. .. L
subq $0, 1, $0 # .. .. E .. :
- addq $6, 1, $6 # .. E .. .. :
+ addq $16, 1, $16 # .. E .. .. :
bgt $0, $onebyte # U .. .. .. : U L U L
$zerolength:
@@ -221,6 +207,6 @@ $exception: # Destination for exception recovery(?)
nop # .. .. .. E :
nop # .. .. E .. :
nop # .. E .. .. :
- ret $31, ($28), 1 # L0 .. .. .. : L U L U
- .end __do_clear_user
- EXPORT_SYMBOL(__do_clear_user)
+ ret $31, ($26), 1 # L0 .. .. .. : L U L U
+ .end __clear_user
+ EXPORT_SYMBOL(__clear_user)
diff --git a/arch/alpha/lib/ev6-copy_user.S b/arch/alpha/lib/ev6-copy_user.S
index be720b518af9..35e6710d0700 100644
--- a/arch/alpha/lib/ev6-copy_user.S
+++ b/arch/alpha/lib/ev6-copy_user.S
@@ -12,21 +12,6 @@
* only _after_ a successful copy). There is also some rather minor
* exception setup stuff..
*
- * NOTE! This is not directly C-callable, because the calling semantics are
- * different:
- *
- * Inputs:
- * length in $0
- * destination address in $6
- * source address in $7
- * return address in $28
- *
- * Outputs:
- * bytes left to copy in $0
- *
- * Clobbers:
- * $1,$2,$3,$4,$5,$6,$7
- *
* Much of the information about 21264 scheduling/coding comes from:
* Compiler Writer's Guide for the Alpha 21264
* abbreviated as 'CWG' in other comments here
@@ -60,10 +45,11 @@
# Pipeline info: Slotting & Comments
__copy_user:
.prologue 0
- subq $0, 32, $1 # .. E .. .. : Is this going to be a small copy?
+ andq $18, $18, $0
+ subq $18, 32, $1 # .. E .. .. : Is this going to be a small copy?
beq $0, $zerolength # U .. .. .. : U L U L
- and $6,7,$3 # .. .. .. E : is leading dest misalignment
+ and $16,7,$3 # .. .. .. E : is leading dest misalignment
ble $1, $onebyteloop # .. .. U .. : 1st branch : small amount of data
beq $3, $destaligned # .. U .. .. : 2nd (one cycle fetcher stall)
subq $3, 8, $3 # E .. .. .. : L U U L : trip counter
@@ -73,17 +59,17 @@ __copy_user:
* We know we have at least one trip through this loop
*/
$aligndest:
- EXI( ldbu $1,0($7) ) # .. .. .. L : Keep loads separate from stores
- addq $6,1,$6 # .. .. E .. : Section 3.8 in the CWG
+ EXI( ldbu $1,0($17) ) # .. .. .. L : Keep loads separate from stores
+ addq $16,1,$16 # .. .. E .. : Section 3.8 in the CWG
addq $3,1,$3 # .. E .. .. :
nop # E .. .. .. : U L U L
/*
- * the -1 is to compensate for the inc($6) done in a previous quadpack
+ * the -1 is to compensate for the inc($16) done in a previous quadpack
* which allows us zero dependencies within either quadpack in the loop
*/
- EXO( stb $1,-1($6) ) # .. .. .. L :
- addq $7,1,$7 # .. .. E .. : Section 3.8 in the CWG
+ EXO( stb $1,-1($16) ) # .. .. .. L :
+ addq $17,1,$17 # .. .. E .. : Section 3.8 in the CWG
subq $0,1,$0 # .. E .. .. :
bne $3, $aligndest # U .. .. .. : U L U L
@@ -92,29 +78,29 @@ $aligndest:
* If we arrived via branch, we have a minimum of 32 bytes
*/
$destaligned:
- and $7,7,$1 # .. .. .. E : Check _current_ source alignment
+ and $17,7,$1 # .. .. .. E : Check _current_ source alignment
bic $0,7,$4 # .. .. E .. : number bytes as a quadword loop
- EXI( ldq_u $3,0($7) ) # .. L .. .. : Forward fetch for fallthrough code
+ EXI( ldq_u $3,0($17) ) # .. L .. .. : Forward fetch for fallthrough code
beq $1,$quadaligned # U .. .. .. : U L U L
/*
- * In the worst case, we've just executed an ldq_u here from 0($7)
+ * In the worst case, we've just executed an ldq_u here from 0($17)
* and we'll repeat it once if we take the branch
*/
/* Misaligned quadword loop - not unrolled. Leave it that way. */
$misquad:
- EXI( ldq_u $2,8($7) ) # .. .. .. L :
+ EXI( ldq_u $2,8($17) ) # .. .. .. L :
subq $4,8,$4 # .. .. E .. :
- extql $3,$7,$3 # .. U .. .. :
- extqh $2,$7,$1 # U .. .. .. : U U L L
+ extql $3,$17,$3 # .. U .. .. :
+ extqh $2,$17,$1 # U .. .. .. : U U L L
bis $3,$1,$1 # .. .. .. E :
- EXO( stq $1,0($6) ) # .. .. L .. :
- addq $7,8,$7 # .. E .. .. :
+ EXO( stq $1,0($16) ) # .. .. L .. :
+ addq $17,8,$17 # .. E .. .. :
subq $0,8,$0 # E .. .. .. : U L L U
- addq $6,8,$6 # .. .. .. E :
+ addq $16,8,$16 # .. .. .. E :
bis $2,$2,$3 # .. .. E .. :
nop # .. E .. .. :
bne $4,$misquad # U .. .. .. : U L U L
@@ -125,8 +111,8 @@ $misquad:
beq $0,$zerolength # U .. .. .. : U L U L
/* We know we have at least one trip through the byte loop */
- EXI ( ldbu $2,0($7) ) # .. .. .. L : No loads in the same quad
- addq $6,1,$6 # .. .. E .. : as the store (Section 3.8 in CWG)
+ EXI ( ldbu $2,0($17) ) # .. .. .. L : No loads in the same quad
+ addq $16,1,$16 # .. .. E .. : as the store (Section 3.8 in CWG)
nop # .. E .. .. :
br $31, $dirtyentry # L0 .. .. .. : L U U L
/* Do the trailing byte loop load, then hop into the store part of the loop */
@@ -136,8 +122,8 @@ $misquad:
* Based upon the usage context, it's worth the effort to unroll this loop
* $0 - number of bytes to be moved
* $4 - number of bytes to move as quadwords
- * $6 is current destination address
- * $7 is current source address
+ * $16 is current destination address
+ * $17 is current source address
*/
$quadaligned:
subq $4, 32, $2 # .. .. .. E : do not unroll for small stuff
@@ -155,29 +141,29 @@ $quadaligned:
* instruction memory hint instruction).
*/
$unroll4:
- EXI( ldq $1,0($7) ) # .. .. .. L
- EXI( ldq $2,8($7) ) # .. .. L ..
+ EXI( ldq $1,0($17) ) # .. .. .. L
+ EXI( ldq $2,8($17) ) # .. .. L ..
subq $4,32,$4 # .. E .. ..
nop # E .. .. .. : U U L L
- addq $7,16,$7 # .. .. .. E
- EXO( stq $1,0($6) ) # .. .. L ..
- EXO( stq $2,8($6) ) # .. L .. ..
+ addq $17,16,$17 # .. .. .. E
+ EXO( stq $1,0($16) ) # .. .. L ..
+ EXO( stq $2,8($16) ) # .. L .. ..
subq $0,16,$0 # E .. .. .. : U L L U
- addq $6,16,$6 # .. .. .. E
- EXI( ldq $1,0($7) ) # .. .. L ..
- EXI( ldq $2,8($7) ) # .. L .. ..
+ addq $16,16,$16 # .. .. .. E
+ EXI( ldq $1,0($17) ) # .. .. L ..
+ EXI( ldq $2,8($17) ) # .. L .. ..
subq $4, 32, $3 # E .. .. .. : U U L L : is there enough for another trip?
- EXO( stq $1,0($6) ) # .. .. .. L
- EXO( stq $2,8($6) ) # .. .. L ..
+ EXO( stq $1,0($16) ) # .. .. .. L
+ EXO( stq $2,8($16) ) # .. .. L ..
subq $0,16,$0 # .. E .. ..
- addq $7,16,$7 # E .. .. .. : U L L U
+ addq $17,16,$17 # E .. .. .. : U L L U
nop # .. .. .. E
nop # .. .. E ..
- addq $6,16,$6 # .. E .. ..
+ addq $16,16,$16 # .. E .. ..
bgt $3,$unroll4 # U .. .. .. : U L U L
nop
@@ -186,14 +172,14 @@ $unroll4:
beq $4, $noquads
$onequad:
- EXI( ldq $1,0($7) )
+ EXI( ldq $1,0($17) )
subq $4,8,$4
- addq $7,8,$7
+ addq $17,8,$17
nop
- EXO( stq $1,0($6) )
+ EXO( stq $1,0($16) )
subq $0,8,$0
- addq $6,8,$6
+ addq $16,8,$16
bne $4,$onequad
$noquads:
@@ -207,23 +193,23 @@ $noquads:
* There's no point in doing a lot of complex alignment calculations to try to
* to quadword stuff for a small amount of data.
* $0 - remaining number of bytes left to copy
- * $6 - current dest addr
- * $7 - current source addr
+ * $16 - current dest addr
+ * $17 - current source addr
*/
$onebyteloop:
- EXI ( ldbu $2,0($7) ) # .. .. .. L : No loads in the same quad
- addq $6,1,$6 # .. .. E .. : as the store (Section 3.8 in CWG)
+ EXI ( ldbu $2,0($17) ) # .. .. .. L : No loads in the same quad
+ addq $16,1,$16 # .. .. E .. : as the store (Section 3.8 in CWG)
nop # .. E .. .. :
nop # E .. .. .. : U L U L
$dirtyentry:
/*
- * the -1 is to compensate for the inc($6) done in a previous quadpack
+ * the -1 is to compensate for the inc($16) done in a previous quadpack
* which allows us zero dependencies within either quadpack in the loop
*/
- EXO ( stb $2,-1($6) ) # .. .. .. L :
- addq $7,1,$7 # .. .. E .. : quadpack as the load
+ EXO ( stb $2,-1($16) ) # .. .. .. L :
+ addq $17,1,$17 # .. .. E .. : quadpack as the load
subq $0,1,$0 # .. E .. .. : change count _after_ copy
bgt $0,$onebyteloop # U .. .. .. : U L U L
@@ -233,7 +219,7 @@ $exitout: # Destination for exception recovery(?)
nop # .. .. .. E
nop # .. .. E ..
nop # .. E .. ..
- ret $31,($28),1 # L0 .. .. .. : L U L U
+ ret $31,($26),1 # L0 .. .. .. : L U L U
.end __copy_user
EXPORT_SYMBOL(__copy_user)
diff --git a/arch/arm/kvm/mmu.c b/arch/arm/kvm/mmu.c
index b5ce1e81f945..16615ae6e257 100644
--- a/arch/arm/kvm/mmu.c
+++ b/arch/arm/kvm/mmu.c
@@ -1834,7 +1834,7 @@ int kvm_arch_prepare_memory_region(struct kvm *kvm,
* Prevent userspace from creating a memory region outside of the IPA
* space addressable by the KVM guest IPA space.
*/
- if (memslot->base_gfn + memslot->npages >=
+ if (memslot->base_gfn + memslot->npages >
(KVM_PHYS_SIZE >> PAGE_SHIFT))
return -EFAULT;
diff --git a/arch/powerpc/include/asm/code-patching.h b/arch/powerpc/include/asm/code-patching.h
index ab934f8232bd..985fa005c1df 100644
--- a/arch/powerpc/include/asm/code-patching.h
+++ b/arch/powerpc/include/asm/code-patching.h
@@ -46,7 +46,7 @@ void __patch_exception(int exc, unsigned long addr);
#endif
#define OP_RT_RA_MASK 0xffff0000UL
-#define LIS_R2 0x3c020000UL
+#define LIS_R2 0x3c400000UL
#define ADDIS_R2_R12 0x3c4c0000UL
#define ADDI_R2_R2 0x38420000UL
diff --git a/arch/powerpc/perf/core-book3s.c b/arch/powerpc/perf/core-book3s.c
index 1f1ac446ace9..f2d8f35c181f 100644
--- a/arch/powerpc/perf/core-book3s.c
+++ b/arch/powerpc/perf/core-book3s.c
@@ -2010,7 +2010,17 @@ static void record_and_restart(struct perf_event *event, unsigned long val,
left += period;
if (left <= 0)
left = period;
- record = siar_valid(regs);
+
+ /*
+ * If address is not requested in the sample via
+ * PERF_SAMPLE_IP, just record that sample irrespective
+ * of SIAR valid check.
+ */
+ if (event->attr.sample_type & PERF_SAMPLE_IP)
+ record = siar_valid(regs);
+ else
+ record = 1;
+
event->hw.last_period = event->hw.sample_period;
}
if (left < 0x80000000LL)
@@ -2028,9 +2038,10 @@ static void record_and_restart(struct perf_event *event, unsigned long val,
* MMCR2. Check attr.exclude_kernel and address to drop the sample in
* these cases.
*/
- if (event->attr.exclude_kernel && record)
- if (is_kernel_addr(mfspr(SPRN_SIAR)))
- record = 0;
+ if (event->attr.exclude_kernel &&
+ (event->attr.sample_type & PERF_SAMPLE_IP) &&
+ is_kernel_addr(mfspr(SPRN_SIAR)))
+ record = 0;
/*
* Finally record data if requested.
diff --git a/arch/s390/kernel/smp.c b/arch/s390/kernel/smp.c
index cba8e56cd63d..54eb8fe95212 100644
--- a/arch/s390/kernel/smp.c
+++ b/arch/s390/kernel/smp.c
@@ -727,7 +727,7 @@ static int smp_add_core(struct sclp_core_entry *core, cpumask_t *avail,
static int __smp_rescan_cpus(struct sclp_core_info *info, bool early)
{
struct sclp_core_entry *core;
- cpumask_t avail;
+ static cpumask_t avail;
bool configured;
u16 core_id;
int nr, i;
diff --git a/drivers/block/rsxx/core.c b/drivers/block/rsxx/core.c
index 97b678c0ea13..4ab96c7f8fd7 100644
--- a/drivers/block/rsxx/core.c
+++ b/drivers/block/rsxx/core.c
@@ -892,6 +892,7 @@ static int rsxx_pci_probe(struct pci_dev *dev,
card->event_wq = create_singlethread_workqueue(DRIVER_NAME"_event");
if (!card->event_wq) {
dev_err(CARD_TO_DEV(card), "Failed card event setup.\n");
+ st = -ENOMEM;
goto failed_event_handler;
}
diff --git a/drivers/hwmon/lm90.c b/drivers/hwmon/lm90.c
index 841f2428e84a..293d1184976b 100644
--- a/drivers/hwmon/lm90.c
+++ b/drivers/hwmon/lm90.c
@@ -186,6 +186,7 @@ enum chips { lm90, adm1032, lm99, lm86, max6657, max6659, adt7461, max6680,
#define LM90_HAVE_EMERGENCY_ALARM (1 << 5)/* emergency alarm */
#define LM90_HAVE_TEMP3 (1 << 6) /* 3rd temperature sensor */
#define LM90_HAVE_BROKEN_ALERT (1 << 7) /* Broken alert */
+#define LM90_PAUSE_FOR_CONFIG (1 << 8) /* Pause conversion for config */
/* LM90 status */
#define LM90_STATUS_LTHRM (1 << 0) /* local THERM limit tripped */
@@ -286,6 +287,7 @@ static const struct lm90_params lm90_params[] = {
.reg_local_ext = MAX6657_REG_R_LOCAL_TEMPL,
},
[max6657] = {
+ .flags = LM90_PAUSE_FOR_CONFIG,
.alert_alarms = 0x7c,
.max_convrate = 8,
.reg_local_ext = MAX6657_REG_R_LOCAL_TEMPL,
@@ -486,6 +488,38 @@ static inline int lm90_select_remote_channel(struct i2c_client *client,
return 0;
}
+static int lm90_write_convrate(struct i2c_client *client,
+ struct lm90_data *data, int val)
+{
+ int err;
+ int config_orig, config_stop;
+
+ /* Save config and pause conversion */
+ if (data->flags & LM90_PAUSE_FOR_CONFIG) {
+ config_orig = lm90_read_reg(client, LM90_REG_R_CONFIG1);
+ if (config_orig < 0)
+ return config_orig;
+ config_stop = config_orig | 0x40;
+ if (config_orig != config_stop) {
+ err = i2c_smbus_write_byte_data(client,
+ LM90_REG_W_CONFIG1,
+ config_stop);
+ if (err < 0)
+ return err;
+ }
+ }
+
+ /* Set conv rate */
+ err = i2c_smbus_write_byte_data(client, LM90_REG_W_CONVRATE, val);
+
+ /* Revert change to config */
+ if (data->flags & LM90_PAUSE_FOR_CONFIG && config_orig != config_stop)
+ i2c_smbus_write_byte_data(client, LM90_REG_W_CONFIG1,
+ config_orig);
+
+ return err;
+}
+
/*
* Set conversion rate.
* client->update_lock must be held when calling this function (unless we are
@@ -506,7 +540,7 @@ static int lm90_set_convrate(struct i2c_client *client, struct lm90_data *data,
if (interval >= update_interval * 3 / 4)
break;
- err = i2c_smbus_write_byte_data(client, LM90_REG_W_CONVRATE, i);
+ err = lm90_write_convrate(client, data, i);
data->update_interval = DIV_ROUND_CLOSEST(update_interval, 64);
return err;
}
@@ -1512,8 +1546,7 @@ static void lm90_restore_conf(void *_data)
struct i2c_client *client = data->client;
/* Restore initial configuration */
- i2c_smbus_write_byte_data(client, LM90_REG_W_CONVRATE,
- data->convrate_orig);
+ lm90_write_convrate(client, data, data->convrate_orig);
i2c_smbus_write_byte_data(client, LM90_REG_W_CONFIG1,
data->config_orig);
}
@@ -1530,12 +1563,13 @@ static int lm90_init_client(struct i2c_client *client, struct lm90_data *data)
/*
* Start the conversions.
*/
- lm90_set_convrate(client, data, 500); /* 500ms; 2Hz conversion rate */
config = lm90_read_reg(client, LM90_REG_R_CONFIG1);
if (config < 0)
return config;
data->config_orig = config;
+ lm90_set_convrate(client, data, 500); /* 500ms; 2Hz conversion rate */
+
/* Check Temperature Range Select */
if (data->kind == adt7461 || data->kind == tmp451) {
if (config & 0x04)
diff --git a/drivers/iio/imu/adis16400_buffer.c b/drivers/iio/imu/adis16400_buffer.c
index 90c24a23c679..c0eb9dfd1c45 100644
--- a/drivers/iio/imu/adis16400_buffer.c
+++ b/drivers/iio/imu/adis16400_buffer.c
@@ -37,8 +37,11 @@ int adis16400_update_scan_mode(struct iio_dev *indio_dev,
return -ENOMEM;
adis->buffer = kzalloc(burst_length + sizeof(u16), GFP_KERNEL);
- if (!adis->buffer)
+ if (!adis->buffer) {
+ kfree(adis->xfer);
+ adis->xfer = NULL;
return -ENOMEM;
+ }
tx = adis->buffer + burst_length;
tx[0] = ADIS_READ_REG(ADIS16400_GLOB_CMD);
diff --git a/drivers/iio/imu/adis_buffer.c b/drivers/iio/imu/adis_buffer.c
index 36607d52fee0..9de553e8c214 100644
--- a/drivers/iio/imu/adis_buffer.c
+++ b/drivers/iio/imu/adis_buffer.c
@@ -39,8 +39,11 @@ int adis_update_scan_mode(struct iio_dev *indio_dev,
return -ENOMEM;
adis->buffer = kzalloc(indio_dev->scan_bytes * 2, GFP_KERNEL);
- if (!adis->buffer)
+ if (!adis->buffer) {
+ kfree(adis->xfer);
+ adis->xfer = NULL;
return -ENOMEM;
+ }
rx = adis->buffer;
tx = rx + scan_count;
diff --git a/drivers/media/usb/usbtv/usbtv-audio.c b/drivers/media/usb/usbtv/usbtv-audio.c
index 9db31db7d9ac..df593d643d53 100644
--- a/drivers/media/usb/usbtv/usbtv-audio.c
+++ b/drivers/media/usb/usbtv/usbtv-audio.c
@@ -398,7 +398,7 @@ void usbtv_audio_free(struct usbtv *usbtv)
cancel_work_sync(&usbtv->snd_trigger);
if (usbtv->snd && usbtv->udev) {
- snd_card_free(usbtv->snd);
+ snd_card_free_when_closed(usbtv->snd);
usbtv->snd = NULL;
}
}
diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c
index 97e51309d7af..e76455024d8b 100644
--- a/drivers/mmc/core/mmc.c
+++ b/drivers/mmc/core/mmc.c
@@ -423,10 +423,6 @@ static int mmc_decode_ext_csd(struct mmc_card *card, u8 *ext_csd)
/* EXT_CSD value is in units of 10ms, but we store in ms */
card->ext_csd.part_time = 10 * ext_csd[EXT_CSD_PART_SWITCH_TIME];
- /* Some eMMC set the value too low so set a minimum */
- if (card->ext_csd.part_time &&
- card->ext_csd.part_time < MMC_MIN_PART_SWITCH_TIME)
- card->ext_csd.part_time = MMC_MIN_PART_SWITCH_TIME;
/* Sleep / awake timeout in 100ns units */
if (sa_shift > 0 && sa_shift <= 0x17)
@@ -610,6 +606,17 @@ static int mmc_decode_ext_csd(struct mmc_card *card, u8 *ext_csd)
card->ext_csd.data_sector_size = 512;
}
+ /*
+ * GENERIC_CMD6_TIME is to be used "unless a specific timeout is defined
+ * when accessing a specific field", so use it here if there is no
+ * PARTITION_SWITCH_TIME.
+ */
+ if (!card->ext_csd.part_time)
+ card->ext_csd.part_time = card->ext_csd.generic_cmd6_time;
+ /* Some eMMC set the value too low so set a minimum */
+ if (card->ext_csd.part_time < MMC_MIN_PART_SWITCH_TIME)
+ card->ext_csd.part_time = MMC_MIN_PART_SWITCH_TIME;
+
/* eMMC v5 or later */
if (card->ext_csd.rev >= 7) {
memcpy(card->ext_csd.fwrev, &ext_csd[EXT_CSD_FIRMWARE_VERSION],
diff --git a/drivers/mmc/host/mtk-sd.c b/drivers/mmc/host/mtk-sd.c
index 7fc6ce381142..125c06a10455 100644
--- a/drivers/mmc/host/mtk-sd.c
+++ b/drivers/mmc/host/mtk-sd.c
@@ -741,13 +741,13 @@ static void msdc_track_cmd_data(struct msdc_host *host,
static void msdc_request_done(struct msdc_host *host, struct mmc_request *mrq)
{
unsigned long flags;
- bool ret;
- ret = cancel_delayed_work(&host->req_timeout);
- if (!ret) {
- /* delay work already running */
- return;
- }
+ /*
+ * No need check the return value of cancel_delayed_work, as only ONE
+ * path will go here!
+ */
+ cancel_delayed_work(&host->req_timeout);
+
spin_lock_irqsave(&host->lock, flags);
host->mrq = NULL;
spin_unlock_irqrestore(&host->lock, flags);
@@ -765,7 +765,7 @@ static bool msdc_cmd_done(struct msdc_host *host, int events,
bool done = false;
bool sbc_error;
unsigned long flags;
- u32 *rsp = cmd->resp;
+ u32 *rsp;
if (mrq->sbc && cmd == mrq->cmd &&
(events & (MSDC_INT_ACMDRDY | MSDC_INT_ACMDCRCERR
@@ -786,6 +786,7 @@ static bool msdc_cmd_done(struct msdc_host *host, int events,
if (done)
return true;
+ rsp = cmd->resp;
sdr_clr_bits(host->base + MSDC_INTEN, cmd_ints_mask);
@@ -968,7 +969,7 @@ static void msdc_data_xfer_next(struct msdc_host *host,
static bool msdc_data_xfer_done(struct msdc_host *host, u32 events,
struct mmc_request *mrq, struct mmc_data *data)
{
- struct mmc_command *stop = data->stop;
+ struct mmc_command *stop;
unsigned long flags;
bool done;
unsigned int check_data = events &
@@ -984,6 +985,7 @@ static bool msdc_data_xfer_done(struct msdc_host *host, u32 events,
if (done)
return true;
+ stop = data->stop;
if (check_data || (stop && stop->error)) {
dev_dbg(host->dev, "DMA status: 0x%8X\n",
diff --git a/drivers/mmc/host/mxs-mmc.c b/drivers/mmc/host/mxs-mmc.c
index c8b8ac66ff7e..687fd68fbbcd 100644
--- a/drivers/mmc/host/mxs-mmc.c
+++ b/drivers/mmc/host/mxs-mmc.c
@@ -651,7 +651,7 @@ static int mxs_mmc_probe(struct platform_device *pdev)
ret = mmc_of_parse(mmc);
if (ret)
- goto out_clk_disable;
+ goto out_free_dma;
mmc->ocr_avail = MMC_VDD_32_33 | MMC_VDD_33_34;
diff --git a/drivers/net/can/flexcan.c b/drivers/net/can/flexcan.c
index 6b866d0451b2..b18bb0334ded 100644
--- a/drivers/net/can/flexcan.c
+++ b/drivers/net/can/flexcan.c
@@ -383,7 +383,7 @@ static int flexcan_chip_freeze(struct flexcan_priv *priv)
u32 reg;
reg = flexcan_read(®s->mcr);
- reg |= FLEXCAN_MCR_HALT;
+ reg |= FLEXCAN_MCR_FRZ | FLEXCAN_MCR_HALT;
flexcan_write(reg, ®s->mcr);
while (timeout-- && !(flexcan_read(®s->mcr) & FLEXCAN_MCR_FRZ_ACK))
@@ -1098,10 +1098,14 @@ static int register_flexcandev(struct net_device *dev)
if (err)
goto out_chip_disable;
- /* set freeze, halt and activate FIFO, restrict register access */
+ /* set freeze, halt */
+ err = flexcan_chip_freeze(priv);
+ if (err)
+ goto out_chip_disable;
+
+ /* activate FIFO, restrict register access */
reg = flexcan_read(®s->mcr);
- reg |= FLEXCAN_MCR_FRZ | FLEXCAN_MCR_HALT |
- FLEXCAN_MCR_FEN | FLEXCAN_MCR_SUPV;
+ reg |= FLEXCAN_MCR_FEN | FLEXCAN_MCR_SUPV;
flexcan_write(reg, ®s->mcr);
/* Currently we only support newer versions of this core
diff --git a/drivers/net/ethernet/atheros/alx/main.c b/drivers/net/ethernet/atheros/alx/main.c
index 2a5bb1012385..9de0f9f5b11c 100644
--- a/drivers/net/ethernet/atheros/alx/main.c
+++ b/drivers/net/ethernet/atheros/alx/main.c
@@ -1694,13 +1694,19 @@ static int alx_resume(struct device *dev)
struct pci_dev *pdev = to_pci_dev(dev);
struct alx_priv *alx = pci_get_drvdata(pdev);
struct alx_hw *hw = &alx->hw;
+ int err;
alx_reset_phy(hw);
if (!netif_running(alx->dev))
return 0;
+
+ err = __alx_open(alx, true);
+ if (err)
+ return err;
+
netif_device_attach(alx->dev);
- return __alx_open(alx, true);
+ return 0;
}
static SIMPLE_DEV_PM_OPS(alx_pm_ops, alx_suspend, alx_resume);
diff --git a/drivers/net/ethernet/davicom/dm9000.c b/drivers/net/ethernet/davicom/dm9000.c
index f45385f5c6e5..f1e4cde963d8 100644
--- a/drivers/net/ethernet/davicom/dm9000.c
+++ b/drivers/net/ethernet/davicom/dm9000.c
@@ -143,6 +143,8 @@ struct board_info {
u32 wake_state;
int ip_summed;
+
+ struct regulator *power_supply;
};
/* debug code */
@@ -1459,7 +1461,7 @@ dm9000_probe(struct platform_device *pdev)
if (ret) {
dev_err(dev, "failed to request reset gpio %d: %d\n",
reset_gpios, ret);
- return -ENODEV;
+ goto out_regulator_disable;
}
/* According to manual PWRST# Low Period Min 1ms */
@@ -1471,8 +1473,10 @@ dm9000_probe(struct platform_device *pdev)
if (!pdata) {
pdata = dm9000_parse_dt(&pdev->dev);
- if (IS_ERR(pdata))
- return PTR_ERR(pdata);
+ if (IS_ERR(pdata)) {
+ ret = PTR_ERR(pdata);
+ goto out_regulator_disable;
+ }
}
/* Init network device */
@@ -1489,6 +1493,8 @@ dm9000_probe(struct platform_device *pdev)
db->dev = &pdev->dev;
db->ndev = ndev;
+ if (!IS_ERR(power))
+ db->power_supply = power;
spin_lock_init(&db->lock);
mutex_init(&db->addr_lock);
@@ -1715,6 +1721,10 @@ dm9000_probe(struct platform_device *pdev)
dm9000_release_board(pdev, db);
free_netdev(ndev);
+out_regulator_disable:
+ if (!IS_ERR(power))
+ regulator_disable(power);
+
return ret;
}
@@ -1774,10 +1784,13 @@ static int
dm9000_drv_remove(struct platform_device *pdev)
{
struct net_device *ndev = platform_get_drvdata(pdev);
+ struct board_info *dm = to_dm9000_board(ndev);
unregister_netdev(ndev);
- dm9000_release_board(pdev, netdev_priv(ndev));
+ dm9000_release_board(pdev, dm);
free_netdev(ndev); /* free device structure */
+ if (dm->power_supply)
+ regulator_disable(dm->power_supply);
dev_dbg(&pdev->dev, "released and freed device\n");
return 0;
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c b/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c
index 6068e7c4fc7e..d1224d33ecfa 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c
@@ -47,7 +47,7 @@
#define EN_ETHTOOL_SHORT_MASK cpu_to_be16(0xffff)
#define EN_ETHTOOL_WORD_MASK cpu_to_be32(0xffffffff)
-static int mlx4_en_moderation_update(struct mlx4_en_priv *priv)
+int mlx4_en_moderation_update(struct mlx4_en_priv *priv)
{
int i;
int err = 0;
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
index 1cfa30e86328..543f30dec4a0 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
@@ -3459,6 +3459,8 @@ int mlx4_en_reset_config(struct net_device *dev,
en_err(priv, "Failed starting port\n");
}
+ if (!err)
+ err = mlx4_en_moderation_update(priv);
out:
mutex_unlock(&mdev->state_lock);
kfree(tmp);
diff --git a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h
index 93780f63192a..2e8c138beaf7 100644
--- a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h
+++ b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h
@@ -773,6 +773,7 @@ void mlx4_en_ptp_overflow_check(struct mlx4_en_dev *mdev);
#define DEV_FEATURE_CHANGED(dev, new_features, feature) \
((dev->features & feature) ^ (new_features & feature))
+int mlx4_en_moderation_update(struct mlx4_en_priv *priv);
int mlx4_en_reset_config(struct net_device *dev,
struct hwtstamp_config ts_config,
netdev_features_t new_features);
diff --git a/drivers/net/ethernet/renesas/sh_eth.c b/drivers/net/ethernet/renesas/sh_eth.c
index 7458b1a70e5d..0e5b1935af50 100644
--- a/drivers/net/ethernet/renesas/sh_eth.c
+++ b/drivers/net/ethernet/renesas/sh_eth.c
@@ -526,6 +526,8 @@ static struct sh_eth_cpu_data r7s72100_data = {
EESR_TDE | EESR_ECI,
.fdr_value = 0x0000070f,
+ .trscer_err_mask = DESC_I_RINT8 | DESC_I_RINT5,
+
.no_psr = 1,
.apr = 1,
.mpr = 1,
diff --git a/drivers/net/wan/lapbether.c b/drivers/net/wan/lapbether.c
index ef746ba74ab4..666bbacb8cb4 100644
--- a/drivers/net/wan/lapbether.c
+++ b/drivers/net/wan/lapbether.c
@@ -286,7 +286,6 @@ static int lapbeth_open(struct net_device *dev)
return -ENODEV;
}
- netif_start_queue(dev);
return 0;
}
@@ -294,8 +293,6 @@ static int lapbeth_close(struct net_device *dev)
{
int err;
- netif_stop_queue(dev);
-
if ((err = lapb_unregister(dev)) != LAPB_OK)
pr_err("lapb_unregister error: %d\n", err);
diff --git a/drivers/net/wireless/ath/ath9k/ath9k.h b/drivers/net/wireless/ath/ath9k/ath9k.h
index 7bda18c61eb6..beaeb5d07c7e 100644
--- a/drivers/net/wireless/ath/ath9k/ath9k.h
+++ b/drivers/net/wireless/ath/ath9k/ath9k.h
@@ -179,7 +179,8 @@ struct ath_frame_info {
s8 txq;
u8 keyix;
u8 rtscts_rate;
- u8 retries : 7;
+ u8 retries : 6;
+ u8 dyn_smps : 1;
u8 baw_tracked : 1;
u8 tx_power;
enum ath9k_key_type keytype:2;
diff --git a/drivers/net/wireless/ath/ath9k/xmit.c b/drivers/net/wireless/ath/ath9k/xmit.c
index 0ef27d99bef3..101bd6547265 100644
--- a/drivers/net/wireless/ath/ath9k/xmit.c
+++ b/drivers/net/wireless/ath/ath9k/xmit.c
@@ -1255,6 +1255,11 @@ static void ath_buf_set_rate(struct ath_softc *sc, struct ath_buf *bf,
is_40, is_sgi, is_sp);
if (rix < 8 && (tx_info->flags & IEEE80211_TX_CTL_STBC))
info->rates[i].RateFlags |= ATH9K_RATESERIES_STBC;
+ if (rix >= 8 && fi->dyn_smps) {
+ info->rates[i].RateFlags |=
+ ATH9K_RATESERIES_RTS_CTS;
+ info->flags |= ATH9K_TXDESC_CTSENA;
+ }
info->txpower[i] = ath_get_rate_txpower(sc, bf, rix,
is_40, false);
@@ -2158,6 +2163,7 @@ static void setup_frame_info(struct ieee80211_hw *hw,
fi->keyix = an->ps_key;
else
fi->keyix = ATH9K_TXKEYIX_INVALID;
+ fi->dyn_smps = sta && sta->smps_mode == IEEE80211_SMPS_DYNAMIC;
fi->keytype = keytype;
fi->framelen = framelen;
fi->tx_power = txpower;
diff --git a/drivers/pci/host/pci-xgene-msi.c b/drivers/pci/host/pci-xgene-msi.c
index a6456b578269..b6a099371ad2 100644
--- a/drivers/pci/host/pci-xgene-msi.c
+++ b/drivers/pci/host/pci-xgene-msi.c
@@ -393,13 +393,9 @@ static int xgene_msi_hwirq_alloc(unsigned int cpu)
if (!msi_group->gic_irq)
continue;
- irq_set_chained_handler(msi_group->gic_irq,
- xgene_msi_isr);
- err = irq_set_handler_data(msi_group->gic_irq, msi_group);
- if (err) {
- pr_err("failed to register GIC IRQ handler\n");
- return -EINVAL;
- }
+ irq_set_chained_handler_and_data(msi_group->gic_irq,
+ xgene_msi_isr, msi_group);
+
/*
* Statically allocate MSI GIC IRQs to each CPU core.
* With 8-core X-Gene v1, 2 MSI GIC IRQs are allocated
diff --git a/drivers/s390/block/dasd.c b/drivers/s390/block/dasd.c
index 0da246505f70..b72d4243bfb9 100644
--- a/drivers/s390/block/dasd.c
+++ b/drivers/s390/block/dasd.c
@@ -3399,8 +3399,6 @@ void dasd_generic_remove(struct ccw_device *cdev)
struct dasd_device *device;
struct dasd_block *block;
- cdev->handler = NULL;
-
device = dasd_device_from_cdev(cdev);
if (IS_ERR(device)) {
dasd_remove_sysfs_files(cdev);
@@ -3419,6 +3417,7 @@ void dasd_generic_remove(struct ccw_device *cdev)
* no quite down yet.
*/
dasd_set_target_state(device, DASD_STATE_NEW);
+ cdev->handler = NULL;
/* dasd_delete_device destroys the device reference. */
block = device->block;
dasd_delete_device(device);
diff --git a/drivers/scsi/libiscsi.c b/drivers/scsi/libiscsi.c
index b9c924bb6e3d..50e2943c3337 100644
--- a/drivers/scsi/libiscsi.c
+++ b/drivers/scsi/libiscsi.c
@@ -1568,14 +1568,9 @@ static int iscsi_data_xmit(struct iscsi_conn *conn)
}
rc = iscsi_prep_scsi_cmd_pdu(conn->task);
if (rc) {
- if (rc == -ENOMEM || rc == -EACCES) {
- spin_lock_bh(&conn->taskqueuelock);
- list_add_tail(&conn->task->running,
- &conn->cmdqueue);
- conn->task = NULL;
- spin_unlock_bh(&conn->taskqueuelock);
- goto done;
- } else
+ if (rc == -ENOMEM || rc == -EACCES)
+ fail_scsi_task(conn->task, DID_IMM_RETRY);
+ else
fail_scsi_task(conn->task, DID_ABORT);
spin_lock_bh(&conn->taskqueuelock);
continue;
diff --git a/drivers/staging/comedi/drivers/addi_apci_1032.c b/drivers/staging/comedi/drivers/addi_apci_1032.c
index 536a135cd00b..9058ef473c33 100644
--- a/drivers/staging/comedi/drivers/addi_apci_1032.c
+++ b/drivers/staging/comedi/drivers/addi_apci_1032.c
@@ -269,6 +269,7 @@ static irqreturn_t apci1032_interrupt(int irq, void *d)
struct apci1032_private *devpriv = dev->private;
struct comedi_subdevice *s = dev->read_subdev;
unsigned int ctrl;
+ unsigned short val;
/* check interrupt is from this device */
if ((inl(devpriv->amcc_iobase + AMCC_OP_REG_INTCSR) &
@@ -284,7 +285,8 @@ static irqreturn_t apci1032_interrupt(int irq, void *d)
outl(ctrl & ~APCI1032_CTRL_INT_ENA, dev->iobase + APCI1032_CTRL_REG);
s->state = inl(dev->iobase + APCI1032_STATUS_REG) & 0xffff;
- comedi_buf_write_samples(s, &s->state, 1);
+ val = s->state;
+ comedi_buf_write_samples(s, &val, 1);
comedi_handle_events(dev, s);
/* enable the interrupt */
diff --git a/drivers/staging/comedi/drivers/addi_apci_1500.c b/drivers/staging/comedi/drivers/addi_apci_1500.c
index c4e36fb6df9d..1f25f565041c 100644
--- a/drivers/staging/comedi/drivers/addi_apci_1500.c
+++ b/drivers/staging/comedi/drivers/addi_apci_1500.c
@@ -217,7 +217,7 @@ static irqreturn_t apci1500_interrupt(int irq, void *d)
struct comedi_device *dev = d;
struct apci1500_private *devpriv = dev->private;
struct comedi_subdevice *s = dev->read_subdev;
- unsigned int status = 0;
+ unsigned short status = 0;
unsigned int val;
val = inl(devpriv->amcc + AMCC_OP_REG_INTCSR);
@@ -247,14 +247,14 @@ static irqreturn_t apci1500_interrupt(int irq, void *d)
*
* Mask Meaning
* ---------- ------------------------------------------
- * 0x00000001 Event 1 has occurred
- * 0x00000010 Event 2 has occurred
- * 0x00000100 Counter/timer 1 has run down (not implemented)
- * 0x00001000 Counter/timer 2 has run down (not implemented)
- * 0x00010000 Counter 3 has run down (not implemented)
- * 0x00100000 Watchdog has run down (not implemented)
- * 0x01000000 Voltage error
- * 0x10000000 Short-circuit error
+ * 0b00000001 Event 1 has occurred
+ * 0b00000010 Event 2 has occurred
+ * 0b00000100 Counter/timer 1 has run down (not implemented)
+ * 0b00001000 Counter/timer 2 has run down (not implemented)
+ * 0b00010000 Counter 3 has run down (not implemented)
+ * 0b00100000 Watchdog has run down (not implemented)
+ * 0b01000000 Voltage error
+ * 0b10000000 Short-circuit error
*/
comedi_buf_write_samples(s, &status, 1);
comedi_handle_events(dev, s);
diff --git a/drivers/staging/comedi/drivers/adv_pci1710.c b/drivers/staging/comedi/drivers/adv_pci1710.c
index 385e14269870..2b408c893ed6 100644
--- a/drivers/staging/comedi/drivers/adv_pci1710.c
+++ b/drivers/staging/comedi/drivers/adv_pci1710.c
@@ -299,11 +299,11 @@ static int pci1710_ai_eoc(struct comedi_device *dev,
static int pci1710_ai_read_sample(struct comedi_device *dev,
struct comedi_subdevice *s,
unsigned int cur_chan,
- unsigned int *val)
+ unsigned short *val)
{
const struct boardtype *board = dev->board_ptr;
struct pci1710_private *devpriv = dev->private;
- unsigned int sample;
+ unsigned short sample;
unsigned int chan;
sample = inw(dev->iobase + PCI171X_AD_DATA_REG);
@@ -344,7 +344,7 @@ static int pci1710_ai_insn_read(struct comedi_device *dev,
pci1710_ai_setup_chanlist(dev, s, &insn->chanspec, 1, 1);
for (i = 0; i < insn->n; i++) {
- unsigned int val;
+ unsigned short val;
/* start conversion */
outw(0, dev->iobase + PCI171X_SOFTTRG_REG);
@@ -394,7 +394,7 @@ static void pci1710_handle_every_sample(struct comedi_device *dev,
{
struct comedi_cmd *cmd = &s->async->cmd;
unsigned int status;
- unsigned int val;
+ unsigned short val;
int ret;
status = inw(dev->iobase + PCI171X_STATUS_REG);
@@ -454,7 +454,7 @@ static void pci1710_handle_fifo(struct comedi_device *dev,
}
for (i = 0; i < devpriv->max_samples; i++) {
- unsigned int val;
+ unsigned short val;
int ret;
ret = pci1710_ai_read_sample(dev, s, s->async->cur_chan, &val);
diff --git a/drivers/staging/comedi/drivers/das6402.c b/drivers/staging/comedi/drivers/das6402.c
index 0fdf5e02182f..c27dbd55564c 100644
--- a/drivers/staging/comedi/drivers/das6402.c
+++ b/drivers/staging/comedi/drivers/das6402.c
@@ -195,7 +195,7 @@ static irqreturn_t das6402_interrupt(int irq, void *d)
if (status & DAS6402_STATUS_FFULL) {
async->events |= COMEDI_CB_OVERFLOW;
} else if (status & DAS6402_STATUS_FFNE) {
- unsigned int val;
+ unsigned short val;
val = das6402_ai_read_sample(dev, s);
comedi_buf_write_samples(s, &val, 1);
diff --git a/drivers/staging/comedi/drivers/das800.c b/drivers/staging/comedi/drivers/das800.c
index fd4cb4911671..3bdaedc6d864 100644
--- a/drivers/staging/comedi/drivers/das800.c
+++ b/drivers/staging/comedi/drivers/das800.c
@@ -436,7 +436,7 @@ static irqreturn_t das800_interrupt(int irq, void *d)
struct comedi_cmd *cmd;
unsigned long irq_flags;
unsigned int status;
- unsigned int val;
+ unsigned short val;
bool fifo_empty;
bool fifo_overflow;
int i;
diff --git a/drivers/staging/comedi/drivers/dmm32at.c b/drivers/staging/comedi/drivers/dmm32at.c
index b8606ded0623..a2e3240b66a8 100644
--- a/drivers/staging/comedi/drivers/dmm32at.c
+++ b/drivers/staging/comedi/drivers/dmm32at.c
@@ -413,7 +413,7 @@ static irqreturn_t dmm32at_isr(int irq, void *d)
{
struct comedi_device *dev = d;
unsigned char intstat;
- unsigned int val;
+ unsigned short val;
int i;
if (!dev->attached) {
diff --git a/drivers/staging/comedi/drivers/me4000.c b/drivers/staging/comedi/drivers/me4000.c
index 15a53204a36a..4fe856128870 100644
--- a/drivers/staging/comedi/drivers/me4000.c
+++ b/drivers/staging/comedi/drivers/me4000.c
@@ -933,7 +933,7 @@ static irqreturn_t me4000_ai_isr(int irq, void *dev_id)
struct comedi_subdevice *s = dev->read_subdev;
int i;
int c = 0;
- unsigned int lval;
+ unsigned short lval;
if (!dev->attached)
return IRQ_NONE;
diff --git a/drivers/staging/comedi/drivers/pcl711.c b/drivers/staging/comedi/drivers/pcl711.c
index 3774daa9d661..e1334733abe7 100644
--- a/drivers/staging/comedi/drivers/pcl711.c
+++ b/drivers/staging/comedi/drivers/pcl711.c
@@ -193,7 +193,7 @@ static irqreturn_t pcl711_interrupt(int irq, void *d)
struct comedi_device *dev = d;
struct comedi_subdevice *s = dev->read_subdev;
struct comedi_cmd *cmd = &s->async->cmd;
- unsigned int data;
+ unsigned short data;
if (!dev->attached) {
dev_err(dev->class_dev, "spurious interrupt\n");
diff --git a/drivers/staging/comedi/drivers/pcl818.c b/drivers/staging/comedi/drivers/pcl818.c
index 5aeed44dff70..f06241712308 100644
--- a/drivers/staging/comedi/drivers/pcl818.c
+++ b/drivers/staging/comedi/drivers/pcl818.c
@@ -422,7 +422,7 @@ static int pcl818_ai_eoc(struct comedi_device *dev,
static bool pcl818_ai_write_sample(struct comedi_device *dev,
struct comedi_subdevice *s,
- unsigned int chan, unsigned int val)
+ unsigned int chan, unsigned short val)
{
struct pcl818_private *devpriv = dev->private;
struct comedi_cmd *cmd = &s->async->cmd;
diff --git a/drivers/staging/ks7010/ks_wlan_net.c b/drivers/staging/ks7010/ks_wlan_net.c
index b2b4fa4c3834..498ea7754dcc 100644
--- a/drivers/staging/ks7010/ks_wlan_net.c
+++ b/drivers/staging/ks7010/ks_wlan_net.c
@@ -1404,6 +1404,7 @@ static int ks_wlan_set_scan(struct net_device *dev,
struct ks_wlan_private *priv =
(struct ks_wlan_private *)netdev_priv(dev);
struct iw_scan_req *req = NULL;
+ int len;
DPRINTK(2, "\n");
if (priv->sleep_mode == SLP_SLEEP) {
@@ -1415,8 +1416,9 @@ static int ks_wlan_set_scan(struct net_device *dev,
if (wrqu->data.length == sizeof(struct iw_scan_req)
&& wrqu->data.flags & IW_SCAN_THIS_ESSID) {
req = (struct iw_scan_req *)extra;
- priv->scan_ssid_len = req->essid_len;
- memcpy(priv->scan_ssid, req->essid, priv->scan_ssid_len);
+ len = min_t(int, req->essid_len, IW_ESSID_MAX_SIZE);
+ priv->scan_ssid_len = len;
+ memcpy(priv->scan_ssid, req->essid, len);
} else {
priv->scan_ssid_len = 0;
}
diff --git a/drivers/staging/rtl8188eu/core/rtw_ap.c b/drivers/staging/rtl8188eu/core/rtw_ap.c
index 6513ace1fce6..7dd6b7f19bf6 100644
--- a/drivers/staging/rtl8188eu/core/rtw_ap.c
+++ b/drivers/staging/rtl8188eu/core/rtw_ap.c
@@ -917,6 +917,7 @@ int rtw_check_beacon_data(struct adapter *padapter, u8 *pbuf, int len)
/* SSID */
p = rtw_get_ie(ie + _BEACON_IE_OFFSET_, _SSID_IE_, &ie_len, (pbss_network->IELength - _BEACON_IE_OFFSET_));
if (p && ie_len > 0) {
+ ie_len = min_t(int, ie_len, sizeof(pbss_network->Ssid.Ssid));
memset(&pbss_network->Ssid, 0, sizeof(struct ndis_802_11_ssid));
memcpy(pbss_network->Ssid.Ssid, (p + 2), ie_len);
pbss_network->Ssid.SsidLength = ie_len;
@@ -935,6 +936,7 @@ int rtw_check_beacon_data(struct adapter *padapter, u8 *pbuf, int len)
/* get supported rates */
p = rtw_get_ie(ie + _BEACON_IE_OFFSET_, _SUPPORTEDRATES_IE_, &ie_len, (pbss_network->IELength - _BEACON_IE_OFFSET_));
if (p) {
+ ie_len = min_t(int, ie_len, NDIS_802_11_LENGTH_RATES_EX);
memcpy(supportRate, p + 2, ie_len);
supportRateNum = ie_len;
}
@@ -942,6 +944,8 @@ int rtw_check_beacon_data(struct adapter *padapter, u8 *pbuf, int len)
/* get ext_supported rates */
p = rtw_get_ie(ie + _BEACON_IE_OFFSET_, _EXT_SUPPORTEDRATES_IE_, &ie_len, pbss_network->IELength - _BEACON_IE_OFFSET_);
if (p) {
+ ie_len = min_t(int, ie_len,
+ NDIS_802_11_LENGTH_RATES_EX - supportRateNum);
memcpy(supportRate + supportRateNum, p + 2, ie_len);
supportRateNum += ie_len;
}
@@ -1057,6 +1061,7 @@ int rtw_check_beacon_data(struct adapter *padapter, u8 *pbuf, int len)
pht_cap->mcs.rx_mask[0] = 0xff;
pht_cap->mcs.rx_mask[1] = 0x0;
}
+ ie_len = min_t(int, ie_len, sizeof(pmlmepriv->htpriv.ht_cap));
memcpy(&pmlmepriv->htpriv.ht_cap, p+2, ie_len);
}
diff --git a/drivers/staging/rtl8188eu/os_dep/ioctl_linux.c b/drivers/staging/rtl8188eu/os_dep/ioctl_linux.c
index 50793c9df1b3..866f9a571813 100644
--- a/drivers/staging/rtl8188eu/os_dep/ioctl_linux.c
+++ b/drivers/staging/rtl8188eu/os_dep/ioctl_linux.c
@@ -1172,9 +1172,11 @@ static int rtw_wx_set_scan(struct net_device *dev, struct iw_request_info *a,
break;
}
sec_len = *(pos++); len -= 1;
- if (sec_len > 0 && sec_len <= len) {
+ if (sec_len > 0 &&
+ sec_len <= len &&
+ sec_len <= 32) {
ssid[ssid_index].SsidLength = sec_len;
- memcpy(ssid[ssid_index].Ssid, pos, ssid[ssid_index].SsidLength);
+ memcpy(ssid[ssid_index].Ssid, pos, sec_len);
ssid_index++;
}
pos += sec_len;
diff --git a/drivers/staging/rtl8192e/rtl8192e/rtl_wx.c b/drivers/staging/rtl8192e/rtl8192e/rtl_wx.c
index 7413a100ca19..fb3291dde3ae 100644
--- a/drivers/staging/rtl8192e/rtl8192e/rtl_wx.c
+++ b/drivers/staging/rtl8192e/rtl8192e/rtl_wx.c
@@ -419,9 +419,10 @@ static int _rtl92e_wx_set_scan(struct net_device *dev,
struct iw_scan_req *req = (struct iw_scan_req *)b;
if (req->essid_len) {
- ieee->current_network.ssid_len = req->essid_len;
- memcpy(ieee->current_network.ssid, req->essid,
- req->essid_len);
+ int len = min_t(int, req->essid_len, IW_ESSID_MAX_SIZE);
+
+ ieee->current_network.ssid_len = len;
+ memcpy(ieee->current_network.ssid, req->essid, len);
}
}
diff --git a/drivers/staging/rtl8192u/r8192U_wx.c b/drivers/staging/rtl8192u/r8192U_wx.c
index d2f2f246063f..65aec3c2f574 100644
--- a/drivers/staging/rtl8192u/r8192U_wx.c
+++ b/drivers/staging/rtl8192u/r8192U_wx.c
@@ -333,8 +333,10 @@ static int r8192_wx_set_scan(struct net_device *dev, struct iw_request_info *a,
struct iw_scan_req *req = (struct iw_scan_req *)b;
if (req->essid_len) {
- ieee->current_network.ssid_len = req->essid_len;
- memcpy(ieee->current_network.ssid, req->essid, req->essid_len);
+ int len = min_t(int, req->essid_len, IW_ESSID_MAX_SIZE);
+
+ ieee->current_network.ssid_len = len;
+ memcpy(ieee->current_network.ssid, req->essid, len);
}
}
diff --git a/drivers/staging/rtl8712/rtl871x_cmd.c b/drivers/staging/rtl8712/rtl871x_cmd.c
index b7ee5e63af33..166f5151e2b8 100644
--- a/drivers/staging/rtl8712/rtl871x_cmd.c
+++ b/drivers/staging/rtl8712/rtl871x_cmd.c
@@ -239,8 +239,10 @@ u8 r8712_sitesurvey_cmd(struct _adapter *padapter,
psurveyPara->ss_ssidlen = 0;
memset(psurveyPara->ss_ssid, 0, IW_ESSID_MAX_SIZE + 1);
if ((pssid != NULL) && (pssid->SsidLength)) {
- memcpy(psurveyPara->ss_ssid, pssid->Ssid, pssid->SsidLength);
- psurveyPara->ss_ssidlen = cpu_to_le32(pssid->SsidLength);
+ int len = min_t(int, pssid->SsidLength, IW_ESSID_MAX_SIZE);
+
+ memcpy(psurveyPara->ss_ssid, pssid->Ssid, len);
+ psurveyPara->ss_ssidlen = cpu_to_le32(len);
}
set_fwstate(pmlmepriv, _FW_UNDER_SURVEY);
r8712_enqueue_cmd(pcmdpriv, ph2c);
diff --git a/drivers/staging/rtl8712/rtl871x_ioctl_linux.c b/drivers/staging/rtl8712/rtl871x_ioctl_linux.c
index 2d26f9a30fcf..af190b3863c8 100644
--- a/drivers/staging/rtl8712/rtl871x_ioctl_linux.c
+++ b/drivers/staging/rtl8712/rtl871x_ioctl_linux.c
@@ -932,7 +932,7 @@ static int r871x_wx_set_priv(struct net_device *dev,
struct iw_point *dwrq = (struct iw_point *)awrq;
len = dwrq->length;
- ext = memdup_user(dwrq->pointer, len);
+ ext = strndup_user(dwrq->pointer, len);
if (IS_ERR(ext))
return PTR_ERR(ext);
diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
index a251514a0ee9..9f1a1a318a3d 100644
--- a/drivers/usb/class/cdc-acm.c
+++ b/drivers/usb/class/cdc-acm.c
@@ -1883,6 +1883,11 @@ static const struct usb_device_id acm_ids[] = {
.driver_info = SEND_ZERO_PACKET,
},
+ /* Exclude Goodix Fingerprint Reader */
+ { USB_DEVICE(0x27c6, 0x5395),
+ .driver_info = IGNORE_DEVICE,
+ },
+
/* control interfaces without any protocol set */
{ USB_INTERFACE_INFO(USB_CLASS_COMM, USB_CDC_SUBCLASS_ACM,
USB_CDC_PROTO_NONE) },
diff --git a/drivers/usb/gadget/function/f_uac2.c b/drivers/usb/gadget/function/f_uac2.c
index af7fd0185a44..62a38fabd2b5 100644
--- a/drivers/usb/gadget/function/f_uac2.c
+++ b/drivers/usb/gadget/function/f_uac2.c
@@ -997,7 +997,7 @@ static int set_ep_max_packet_size(const struct f_uac2_opts *uac2_opts,
}
max_size_bw = num_channels(chmask) * ssize *
- DIV_ROUND_UP(srate, factor / (1 << (ep_desc->bInterval - 1)));
+ ((srate / (factor / (1 << (ep_desc->bInterval - 1)))) + 1);
ep_desc->wMaxPacketSize = cpu_to_le16(min_t(u16, max_size_bw,
max_size_ep));
diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
index b0e1d3da2e7e..809f5f2b0dd9 100644
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -1022,6 +1022,7 @@ int xhci_resume(struct xhci_hcd *xhci, bool hibernated)
struct usb_hcd *secondary_hcd;
int retval = 0;
bool comp_timer_running = false;
+ bool pending_portevent = false;
if (!hcd->state)
return 0;
@@ -1155,13 +1156,22 @@ int xhci_resume(struct xhci_hcd *xhci, bool hibernated)
done:
if (retval == 0) {
- /* Resume root hubs only when have pending events. */
- if (xhci_pending_portevent(xhci)) {
+ /*
+ * Resume roothubs only if there are pending events.
+ * USB 3 devices resend U3 LFPS wake after a 100ms delay if
+ * the first wake signalling failed, give it that chance.
+ */
+ pending_portevent = xhci_pending_portevent(xhci);
+ if (!pending_portevent) {
+ msleep(120);
+ pending_portevent = xhci_pending_portevent(xhci);
+ }
+
+ if (pending_portevent) {
usb_hcd_resume_root_hub(xhci->shared_hcd);
usb_hcd_resume_root_hub(hcd);
}
}
-
/*
* If system is subject to the Quirk, Compliance Mode Timer needs to
* be re-initialized Always after a system resume. Ports are subject
diff --git a/drivers/usb/renesas_usbhs/pipe.c b/drivers/usb/renesas_usbhs/pipe.c
index 8db4ca7d5d45..e8b0a9c34d72 100644
--- a/drivers/usb/renesas_usbhs/pipe.c
+++ b/drivers/usb/renesas_usbhs/pipe.c
@@ -746,6 +746,8 @@ struct usbhs_pipe *usbhs_pipe_malloc(struct usbhs_priv *priv,
void usbhs_pipe_free(struct usbhs_pipe *pipe)
{
+ usbhsp_pipe_select(pipe);
+ usbhsp_pipe_cfg_set(pipe, 0xFFFF, 0);
usbhsp_put_pipe(pipe);
}
diff --git a/drivers/usb/serial/ch341.c b/drivers/usb/serial/ch341.c
index fc1c8f4f34c1..c6ff79360302 100644
--- a/drivers/usb/serial/ch341.c
+++ b/drivers/usb/serial/ch341.c
@@ -75,6 +75,7 @@ static const struct usb_device_id id_table[] = {
{ USB_DEVICE(0x1a86, 0x7522) },
{ USB_DEVICE(0x1a86, 0x7523) },
{ USB_DEVICE(0x4348, 0x5523) },
+ { USB_DEVICE(0x9986, 0x7523) },
{ },
};
MODULE_DEVICE_TABLE(usb, id_table);
diff --git a/drivers/usb/serial/cp210x.c b/drivers/usb/serial/cp210x.c
index 1847074b4d81..7eb83a1a43c2 100644
--- a/drivers/usb/serial/cp210x.c
+++ b/drivers/usb/serial/cp210x.c
@@ -143,6 +143,7 @@ static const struct usb_device_id id_table[] = {
{ USB_DEVICE(0x10C4, 0x8857) }, /* CEL EM357 ZigBee USB Stick */
{ USB_DEVICE(0x10C4, 0x88A4) }, /* MMB Networks ZigBee USB Device */
{ USB_DEVICE(0x10C4, 0x88A5) }, /* Planet Innovation Ingeni ZigBee USB Device */
+ { USB_DEVICE(0x10C4, 0x88D8) }, /* Acuity Brands nLight Air Adapter */
{ USB_DEVICE(0x10C4, 0x88FB) }, /* CESINEL MEDCAL STII Network Analyzer */
{ USB_DEVICE(0x10C4, 0x8938) }, /* CESINEL MEDCAL S II Network Analyzer */
{ USB_DEVICE(0x10C4, 0x8946) }, /* Ketra N1 Wireless Interface */
@@ -199,6 +200,8 @@ static const struct usb_device_id id_table[] = {
{ USB_DEVICE(0x1901, 0x0194) }, /* GE Healthcare Remote Alarm Box */
{ USB_DEVICE(0x1901, 0x0195) }, /* GE B850/B650/B450 CP2104 DP UART interface */
{ USB_DEVICE(0x1901, 0x0196) }, /* GE B850 CP2105 DP UART interface */
+ { USB_DEVICE(0x1901, 0x0197) }, /* GE CS1000 Display serial interface */
+ { USB_DEVICE(0x1901, 0x0198) }, /* GE CS1000 M.2 Key E serial interface */
{ USB_DEVICE(0x199B, 0xBA30) }, /* LORD WSDA-200-USB */
{ USB_DEVICE(0x19CF, 0x3000) }, /* Parrot NMEA GPS Flight Recorder */
{ USB_DEVICE(0x1ADB, 0x0001) }, /* Schweitzer Engineering C662 Cable */
diff --git a/drivers/usb/serial/io_edgeport.c b/drivers/usb/serial/io_edgeport.c
index 77555242e259..ceece1f52c8a 100644
--- a/drivers/usb/serial/io_edgeport.c
+++ b/drivers/usb/serial/io_edgeport.c
@@ -2959,26 +2959,32 @@ static int edge_startup(struct usb_serial *serial)
response = -ENODEV;
}
- usb_free_urb(edge_serial->interrupt_read_urb);
- kfree(edge_serial->interrupt_in_buffer);
-
- usb_free_urb(edge_serial->read_urb);
- kfree(edge_serial->bulk_in_buffer);
-
- kfree(edge_serial);
-
- return response;
+ goto error;
}
/* start interrupt read for this edgeport this interrupt will
* continue as long as the edgeport is connected */
response = usb_submit_urb(edge_serial->interrupt_read_urb,
GFP_KERNEL);
- if (response)
+ if (response) {
dev_err(ddev, "%s - Error %d submitting control urb\n",
__func__, response);
+
+ goto error;
+ }
}
return response;
+
+error:
+ usb_free_urb(edge_serial->interrupt_read_urb);
+ kfree(edge_serial->interrupt_in_buffer);
+
+ usb_free_urb(edge_serial->read_urb);
+ kfree(edge_serial->bulk_in_buffer);
+
+ kfree(edge_serial);
+
+ return response;
}
diff --git a/drivers/usb/usbip/stub_dev.c b/drivers/usb/usbip/stub_dev.c
index a5a6a114219a..6b643e6c8f0b 100644
--- a/drivers/usb/usbip/stub_dev.c
+++ b/drivers/usb/usbip/stub_dev.c
@@ -60,6 +60,8 @@ static ssize_t store_sockfd(struct device *dev, struct device_attribute *attr,
int sockfd = 0;
struct socket *socket;
int rv;
+ struct task_struct *tcp_rx = NULL;
+ struct task_struct *tcp_tx = NULL;
if (!sdev) {
dev_err(dev, "sdev is null\n");
@@ -83,23 +85,47 @@ static ssize_t store_sockfd(struct device *dev, struct device_attribute *attr,
}
socket = sockfd_lookup(sockfd, &err);
- if (!socket)
+ if (!socket) {
+ dev_err(dev, "failed to lookup sock");
goto err;
+ }
- sdev->ud.tcp_socket = socket;
- sdev->ud.sockfd = sockfd;
+ if (socket->type != SOCK_STREAM) {
+ dev_err(dev, "Expecting SOCK_STREAM - found %d",
+ socket->type);
+ goto sock_err;
+ }
+ /* unlock and create threads and get tasks */
spin_unlock_irq(&sdev->ud.lock);
+ tcp_rx = kthread_create(stub_rx_loop, &sdev->ud, "stub_rx");
+ if (IS_ERR(tcp_rx)) {
+ sockfd_put(socket);
+ return -EINVAL;
+ }
+ tcp_tx = kthread_create(stub_tx_loop, &sdev->ud, "stub_tx");
+ if (IS_ERR(tcp_tx)) {
+ kthread_stop(tcp_rx);
+ sockfd_put(socket);
+ return -EINVAL;
+ }
- sdev->ud.tcp_rx = kthread_get_run(stub_rx_loop, &sdev->ud,
- "stub_rx");
- sdev->ud.tcp_tx = kthread_get_run(stub_tx_loop, &sdev->ud,
- "stub_tx");
+ /* get task structs now */
+ get_task_struct(tcp_rx);
+ get_task_struct(tcp_tx);
+ /* lock and update sdev->ud state */
spin_lock_irq(&sdev->ud.lock);
+ sdev->ud.tcp_socket = socket;
+ sdev->ud.sockfd = sockfd;
+ sdev->ud.tcp_rx = tcp_rx;
+ sdev->ud.tcp_tx = tcp_tx;
sdev->ud.status = SDEV_ST_USED;
spin_unlock_irq(&sdev->ud.lock);
+ wake_up_process(sdev->ud.tcp_rx);
+ wake_up_process(sdev->ud.tcp_tx);
+
} else {
dev_info(dev, "stub down\n");
@@ -114,6 +140,8 @@ static ssize_t store_sockfd(struct device *dev, struct device_attribute *attr,
return count;
+sock_err:
+ sockfd_put(socket);
err:
spin_unlock_irq(&sdev->ud.lock);
return -EINVAL;
diff --git a/drivers/usb/usbip/vhci_sysfs.c b/drivers/usb/usbip/vhci_sysfs.c
index e8a008de8dbc..ca00d38d22af 100644
--- a/drivers/usb/usbip/vhci_sysfs.c
+++ b/drivers/usb/usbip/vhci_sysfs.c
@@ -278,6 +278,8 @@ static ssize_t store_attach(struct device *dev, struct device_attribute *attr,
struct vhci_device *vdev;
int err;
unsigned long flags;
+ struct task_struct *tcp_rx = NULL;
+ struct task_struct *tcp_tx = NULL;
/*
* @rhport: port number of vhci_hcd
@@ -309,12 +311,35 @@ static ssize_t store_attach(struct device *dev, struct device_attribute *attr,
/* Extract socket from fd. */
socket = sockfd_lookup(sockfd, &err);
- if (!socket)
+ if (!socket) {
+ dev_err(dev, "failed to lookup sock");
return -EINVAL;
+ }
+ if (socket->type != SOCK_STREAM) {
+ dev_err(dev, "Expecting SOCK_STREAM - found %d",
+ socket->type);
+ sockfd_put(socket);
+ return -EINVAL;
+ }
+
+ /* create threads before locking */
+ tcp_rx = kthread_create(vhci_rx_loop, &vdev->ud, "vhci_rx");
+ if (IS_ERR(tcp_rx)) {
+ sockfd_put(socket);
+ return -EINVAL;
+ }
+ tcp_tx = kthread_create(vhci_tx_loop, &vdev->ud, "vhci_tx");
+ if (IS_ERR(tcp_tx)) {
+ kthread_stop(tcp_rx);
+ sockfd_put(socket);
+ return -EINVAL;
+ }
- /* now need lock until setting vdev status as used */
+ /* get task structs now */
+ get_task_struct(tcp_rx);
+ get_task_struct(tcp_tx);
- /* begin a lock */
+ /* now begin lock until setting vdev status set */
spin_lock_irqsave(&vhci->lock, flags);
spin_lock(&vdev->ud.lock);
@@ -324,6 +349,8 @@ static ssize_t store_attach(struct device *dev, struct device_attribute *attr,
spin_unlock_irqrestore(&vhci->lock, flags);
sockfd_put(socket);
+ kthread_stop_put(tcp_rx);
+ kthread_stop_put(tcp_tx);
dev_err(dev, "port %d already used\n", rhport);
return -EINVAL;
@@ -338,14 +365,16 @@ static ssize_t store_attach(struct device *dev, struct device_attribute *attr,
vdev->speed = speed;
vdev->ud.sockfd = sockfd;
vdev->ud.tcp_socket = socket;
+ vdev->ud.tcp_rx = tcp_rx;
+ vdev->ud.tcp_tx = tcp_tx;
vdev->ud.status = VDEV_ST_NOTASSIGNED;
spin_unlock(&vdev->ud.lock);
spin_unlock_irqrestore(&vhci->lock, flags);
/* end the lock */
- vdev->ud.tcp_rx = kthread_get_run(vhci_rx_loop, &vdev->ud, "vhci_rx");
- vdev->ud.tcp_tx = kthread_get_run(vhci_tx_loop, &vdev->ud, "vhci_tx");
+ wake_up_process(vdev->ud.tcp_rx);
+ wake_up_process(vdev->ud.tcp_tx);
rh_port_connect(vdev, speed);
diff --git a/drivers/usb/usbip/vudc_sysfs.c b/drivers/usb/usbip/vudc_sysfs.c
index 7efa374a4970..e3f7c76d1956 100644
--- a/drivers/usb/usbip/vudc_sysfs.c
+++ b/drivers/usb/usbip/vudc_sysfs.c
@@ -24,6 +24,7 @@
#include <linux/usb/ch9.h>
#include <linux/sysfs.h>
#include <linux/kthread.h>
+#include <linux/file.h>
#include <linux/byteorder/generic.h>
#include "usbip_common.h"
@@ -150,6 +151,13 @@ static ssize_t store_sockfd(struct device *dev, struct device_attribute *attr,
goto unlock_ud;
}
+ if (socket->type != SOCK_STREAM) {
+ dev_err(dev, "Expecting SOCK_STREAM - found %d",
+ socket->type);
+ ret = -EINVAL;
+ goto sock_err;
+ }
+
udc->ud.tcp_socket = socket;
spin_unlock_irq(&udc->ud.lock);
@@ -189,6 +197,8 @@ static ssize_t store_sockfd(struct device *dev, struct device_attribute *attr,
return count;
+sock_err:
+ sockfd_put(socket);
unlock_ud:
spin_unlock_irq(&udc->ud.lock);
unlock:
diff --git a/drivers/xen/events/events_2l.c b/drivers/xen/events/events_2l.c
index c31c08a708be..ec3417a9e1a4 100644
--- a/drivers/xen/events/events_2l.c
+++ b/drivers/xen/events/events_2l.c
@@ -46,6 +46,11 @@ static unsigned evtchn_2l_max_channels(void)
return EVTCHN_2L_NR_CHANNELS;
}
+static void evtchn_2l_remove(evtchn_port_t evtchn, unsigned int cpu)
+{
+ clear_bit(evtchn, BM(per_cpu(cpu_evtchn_mask, cpu)));
+}
+
static void evtchn_2l_bind_to_cpu(struct irq_info *info, unsigned cpu)
{
clear_bit(info->evtchn, BM(per_cpu(cpu_evtchn_mask, info->cpu)));
@@ -70,12 +75,6 @@ static bool evtchn_2l_is_pending(unsigned port)
return sync_test_bit(port, BM(&s->evtchn_pending[0]));
}
-static bool evtchn_2l_test_and_set_mask(unsigned port)
-{
- struct shared_info *s = HYPERVISOR_shared_info;
- return sync_test_and_set_bit(port, BM(&s->evtchn_mask[0]));
-}
-
static void evtchn_2l_mask(unsigned port)
{
struct shared_info *s = HYPERVISOR_shared_info;
@@ -353,18 +352,27 @@ static void evtchn_2l_resume(void)
EVTCHN_2L_NR_CHANNELS/BITS_PER_EVTCHN_WORD);
}
+static int evtchn_2l_percpu_deinit(unsigned int cpu)
+{
+ memset(per_cpu(cpu_evtchn_mask, cpu), 0, sizeof(xen_ulong_t) *
+ EVTCHN_2L_NR_CHANNELS/BITS_PER_EVTCHN_WORD);
+
+ return 0;
+}
+
static const struct evtchn_ops evtchn_ops_2l = {
.max_channels = evtchn_2l_max_channels,
.nr_channels = evtchn_2l_max_channels,
+ .remove = evtchn_2l_remove,
.bind_to_cpu = evtchn_2l_bind_to_cpu,
.clear_pending = evtchn_2l_clear_pending,
.set_pending = evtchn_2l_set_pending,
.is_pending = evtchn_2l_is_pending,
- .test_and_set_mask = evtchn_2l_test_and_set_mask,
.mask = evtchn_2l_mask,
.unmask = evtchn_2l_unmask,
.handle_events = evtchn_2l_handle_events,
.resume = evtchn_2l_resume,
+ .percpu_deinit = evtchn_2l_percpu_deinit,
};
void __init xen_evtchn_2l_init(void)
diff --git a/drivers/xen/events/events_base.c b/drivers/xen/events/events_base.c
index 5308bc1e0189..2adf54119677 100644
--- a/drivers/xen/events/events_base.c
+++ b/drivers/xen/events/events_base.c
@@ -99,6 +99,7 @@ static DEFINE_RWLOCK(evtchn_rwlock);
* evtchn_rwlock
* IRQ-desc lock
* percpu eoi_list_lock
+ * irq_info->lock
*/
static LIST_HEAD(xen_irq_list_head);
@@ -220,6 +221,8 @@ static int xen_irq_info_common_setup(struct irq_info *info,
info->irq = irq;
info->evtchn = evtchn;
info->cpu = cpu;
+ info->mask_reason = EVT_MASK_REASON_EXPLICIT;
+ spin_lock_init(&info->lock);
ret = set_evtchn_to_irq(evtchn, irq);
if (ret < 0)
@@ -286,6 +289,7 @@ static int xen_irq_info_pirq_setup(unsigned irq,
static void xen_irq_info_cleanup(struct irq_info *info)
{
set_evtchn_to_irq(info->evtchn, -1);
+ xen_evtchn_port_remove(info->evtchn, info->cpu);
info->evtchn = 0;
}
@@ -366,6 +370,34 @@ unsigned int cpu_from_evtchn(unsigned int evtchn)
return ret;
}
+static void do_mask(struct irq_info *info, u8 reason)
+{
+ unsigned long flags;
+
+ spin_lock_irqsave(&info->lock, flags);
+
+ if (!info->mask_reason)
+ mask_evtchn(info->evtchn);
+
+ info->mask_reason |= reason;
+
+ spin_unlock_irqrestore(&info->lock, flags);
+}
+
+static void do_unmask(struct irq_info *info, u8 reason)
+{
+ unsigned long flags;
+
+ spin_lock_irqsave(&info->lock, flags);
+
+ info->mask_reason &= ~reason;
+
+ if (!info->mask_reason)
+ unmask_evtchn(info->evtchn);
+
+ spin_unlock_irqrestore(&info->lock, flags);
+}
+
#ifdef CONFIG_X86
static bool pirq_check_eoi_map(unsigned irq)
{
@@ -501,7 +533,7 @@ static void xen_irq_lateeoi_locked(struct irq_info *info, bool spurious)
}
info->eoi_time = 0;
- unmask_evtchn(evtchn);
+ do_unmask(info, EVT_MASK_REASON_EOI_PENDING);
}
static void xen_irq_lateeoi_worker(struct work_struct *work)
@@ -670,6 +702,12 @@ static void xen_evtchn_close(unsigned int port)
BUG();
}
+static void event_handler_exit(struct irq_info *info)
+{
+ smp_store_release(&info->is_active, 0);
+ clear_evtchn(info->evtchn);
+}
+
static void pirq_query_unmask(int irq)
{
struct physdev_irq_status_query irq_status;
@@ -688,7 +726,8 @@ static void pirq_query_unmask(int irq)
static void eoi_pirq(struct irq_data *data)
{
- int evtchn = evtchn_from_irq(data->irq);
+ struct irq_info *info = info_for_irq(data->irq);
+ int evtchn = info ? info->evtchn : 0;
struct physdev_eoi eoi = { .irq = pirq_from_irq(data->irq) };
int rc = 0;
@@ -697,16 +736,15 @@ static void eoi_pirq(struct irq_data *data)
if (unlikely(irqd_is_setaffinity_pending(data)) &&
likely(!irqd_irq_disabled(data))) {
- int masked = test_and_set_mask(evtchn);
+ do_mask(info, EVT_MASK_REASON_TEMPORARY);
- clear_evtchn(evtchn);
+ event_handler_exit(info);
irq_move_masked_irq(data);
- if (!masked)
- unmask_evtchn(evtchn);
+ do_unmask(info, EVT_MASK_REASON_TEMPORARY);
} else
- clear_evtchn(evtchn);
+ event_handler_exit(info);
if (pirq_needs_eoi(data->irq)) {
rc = HYPERVISOR_physdev_op(PHYSDEVOP_eoi, &eoi);
@@ -757,7 +795,8 @@ static unsigned int __startup_pirq(unsigned int irq)
goto err;
out:
- unmask_evtchn(evtchn);
+ do_unmask(info, EVT_MASK_REASON_EXPLICIT);
+
eoi_pirq(irq_get_irq_data(irq));
return 0;
@@ -784,7 +823,7 @@ static void shutdown_pirq(struct irq_data *data)
if (!VALID_EVTCHN(evtchn))
return;
- mask_evtchn(evtchn);
+ do_mask(info, EVT_MASK_REASON_EXPLICIT);
xen_evtchn_close(evtchn);
xen_irq_info_cleanup(info);
}
@@ -1541,6 +1580,8 @@ void handle_irq_for_port(evtchn_port_t port, struct evtchn_loop_ctrl *ctrl)
}
info = info_for_irq(irq);
+ if (xchg_acquire(&info->is_active, 1))
+ return;
if (ctrl->defer_eoi) {
info->eoi_cpu = smp_processor_id();
@@ -1647,8 +1688,8 @@ void rebind_evtchn_irq(int evtchn, int irq)
static int rebind_irq_to_cpu(unsigned irq, unsigned tcpu)
{
struct evtchn_bind_vcpu bind_vcpu;
- int evtchn = evtchn_from_irq(irq);
- int masked;
+ struct irq_info *info = info_for_irq(irq);
+ int evtchn = info ? info->evtchn : 0;
if (!VALID_EVTCHN(evtchn))
return -1;
@@ -1664,7 +1705,7 @@ static int rebind_irq_to_cpu(unsigned irq, unsigned tcpu)
* Mask the event while changing the VCPU binding to prevent
* it being delivered on an unexpected VCPU.
*/
- masked = test_and_set_mask(evtchn);
+ do_mask(info, EVT_MASK_REASON_TEMPORARY);
/*
* If this fails, it usually just indicates that we're dealing with a
@@ -1674,8 +1715,7 @@ static int rebind_irq_to_cpu(unsigned irq, unsigned tcpu)
if (HYPERVISOR_event_channel_op(EVTCHNOP_bind_vcpu, &bind_vcpu) >= 0)
bind_evtchn_to_cpu(evtchn, tcpu);
- if (!masked)
- unmask_evtchn(evtchn);
+ do_unmask(info, EVT_MASK_REASON_TEMPORARY);
return 0;
}
@@ -1690,39 +1730,41 @@ static int set_affinity_irq(struct irq_data *data, const struct cpumask *dest,
static void enable_dynirq(struct irq_data *data)
{
- int evtchn = evtchn_from_irq(data->irq);
+ struct irq_info *info = info_for_irq(data->irq);
+ evtchn_port_t evtchn = info ? info->evtchn : 0;
if (VALID_EVTCHN(evtchn))
- unmask_evtchn(evtchn);
+ do_unmask(info, EVT_MASK_REASON_EXPLICIT);
}
static void disable_dynirq(struct irq_data *data)
{
- int evtchn = evtchn_from_irq(data->irq);
+ struct irq_info *info = info_for_irq(data->irq);
+ evtchn_port_t evtchn = info ? info->evtchn : 0;
if (VALID_EVTCHN(evtchn))
- mask_evtchn(evtchn);
+ do_mask(info, EVT_MASK_REASON_EXPLICIT);
}
static void ack_dynirq(struct irq_data *data)
{
- int evtchn = evtchn_from_irq(data->irq);
+ struct irq_info *info = info_for_irq(data->irq);
+ evtchn_port_t evtchn = info ? info->evtchn : 0;
if (!VALID_EVTCHN(evtchn))
return;
if (unlikely(irqd_is_setaffinity_pending(data)) &&
likely(!irqd_irq_disabled(data))) {
- int masked = test_and_set_mask(evtchn);
+ do_mask(info, EVT_MASK_REASON_TEMPORARY);
- clear_evtchn(evtchn);
+ event_handler_exit(info);
irq_move_masked_irq(data);
- if (!masked)
- unmask_evtchn(evtchn);
+ do_unmask(info, EVT_MASK_REASON_TEMPORARY);
} else
- clear_evtchn(evtchn);
+ event_handler_exit(info);
}
static void mask_ack_dynirq(struct irq_data *data)
@@ -1731,18 +1773,39 @@ static void mask_ack_dynirq(struct irq_data *data)
ack_dynirq(data);
}
+static void lateeoi_ack_dynirq(struct irq_data *data)
+{
+ struct irq_info *info = info_for_irq(data->irq);
+ evtchn_port_t evtchn = info ? info->evtchn : 0;
+
+ if (VALID_EVTCHN(evtchn)) {
+ do_mask(info, EVT_MASK_REASON_EOI_PENDING);
+ event_handler_exit(info);
+ }
+}
+
+static void lateeoi_mask_ack_dynirq(struct irq_data *data)
+{
+ struct irq_info *info = info_for_irq(data->irq);
+ evtchn_port_t evtchn = info ? info->evtchn : 0;
+
+ if (VALID_EVTCHN(evtchn)) {
+ do_mask(info, EVT_MASK_REASON_EXPLICIT);
+ event_handler_exit(info);
+ }
+}
+
static int retrigger_dynirq(struct irq_data *data)
{
- unsigned int evtchn = evtchn_from_irq(data->irq);
- int masked;
+ struct irq_info *info = info_for_irq(data->irq);
+ evtchn_port_t evtchn = info ? info->evtchn : 0;
if (!VALID_EVTCHN(evtchn))
return 0;
- masked = test_and_set_mask(evtchn);
+ do_mask(info, EVT_MASK_REASON_TEMPORARY);
set_evtchn(evtchn);
- if (!masked)
- unmask_evtchn(evtchn);
+ do_unmask(info, EVT_MASK_REASON_TEMPORARY);
return 1;
}
@@ -1837,10 +1900,11 @@ static void restore_cpu_ipis(unsigned int cpu)
/* Clear an irq's pending state, in preparation for polling on it */
void xen_clear_irq_pending(int irq)
{
- int evtchn = evtchn_from_irq(irq);
+ struct irq_info *info = info_for_irq(irq);
+ evtchn_port_t evtchn = info ? info->evtchn : 0;
if (VALID_EVTCHN(evtchn))
- clear_evtchn(evtchn);
+ event_handler_exit(info);
}
EXPORT_SYMBOL(xen_clear_irq_pending);
void xen_set_irq_pending(int irq)
@@ -1949,8 +2013,8 @@ static struct irq_chip xen_lateeoi_chip __read_mostly = {
.irq_mask = disable_dynirq,
.irq_unmask = enable_dynirq,
- .irq_ack = mask_ack_dynirq,
- .irq_mask_ack = mask_ack_dynirq,
+ .irq_ack = lateeoi_ack_dynirq,
+ .irq_mask_ack = lateeoi_mask_ack_dynirq,
.irq_set_affinity = set_affinity_irq,
.irq_retrigger = retrigger_dynirq,
diff --git a/drivers/xen/events/events_fifo.c b/drivers/xen/events/events_fifo.c
index 0a4fece5fd8d..3f7d325d2be4 100644
--- a/drivers/xen/events/events_fifo.c
+++ b/drivers/xen/events/events_fifo.c
@@ -209,12 +209,6 @@ static bool evtchn_fifo_is_pending(unsigned port)
return sync_test_bit(EVTCHN_FIFO_BIT(PENDING, word), BM(word));
}
-static bool evtchn_fifo_test_and_set_mask(unsigned port)
-{
- event_word_t *word = event_word_from_port(port);
- return sync_test_and_set_bit(EVTCHN_FIFO_BIT(MASKED, word), BM(word));
-}
-
static void evtchn_fifo_mask(unsigned port)
{
event_word_t *word = event_word_from_port(port);
@@ -421,7 +415,6 @@ static const struct evtchn_ops evtchn_ops_fifo = {
.clear_pending = evtchn_fifo_clear_pending,
.set_pending = evtchn_fifo_set_pending,
.is_pending = evtchn_fifo_is_pending,
- .test_and_set_mask = evtchn_fifo_test_and_set_mask,
.mask = evtchn_fifo_mask,
.unmask = evtchn_fifo_unmask,
.handle_events = evtchn_fifo_handle_events,
diff --git a/drivers/xen/events/events_internal.h b/drivers/xen/events/events_internal.h
index b9b4f5919893..3df6f28b75e6 100644
--- a/drivers/xen/events/events_internal.h
+++ b/drivers/xen/events/events_internal.h
@@ -35,13 +35,19 @@ struct irq_info {
struct list_head eoi_list;
short refcnt;
short spurious_cnt;
- enum xen_irq_type type; /* type */
+ short type; /* type */
+ u8 mask_reason; /* Why is event channel masked */
+#define EVT_MASK_REASON_EXPLICIT 0x01
+#define EVT_MASK_REASON_TEMPORARY 0x02
+#define EVT_MASK_REASON_EOI_PENDING 0x04
+ u8 is_active; /* Is event just being handled? */
unsigned irq;
unsigned int evtchn; /* event channel */
unsigned short cpu; /* cpu bound */
unsigned short eoi_cpu; /* EOI must happen on this cpu */
unsigned int irq_epoch; /* If eoi_cpu valid: irq_epoch of event */
u64 eoi_time; /* Time in jiffies when to EOI. */
+ spinlock_t lock;
union {
unsigned short virq;
@@ -67,12 +73,12 @@ struct evtchn_ops {
unsigned (*nr_channels)(void);
int (*setup)(struct irq_info *info);
+ void (*remove)(evtchn_port_t port, unsigned int cpu);
void (*bind_to_cpu)(struct irq_info *info, unsigned cpu);
void (*clear_pending)(unsigned port);
void (*set_pending)(unsigned port);
bool (*is_pending)(unsigned port);
- bool (*test_and_set_mask)(unsigned port);
void (*mask)(unsigned port);
void (*unmask)(unsigned port);
@@ -109,6 +115,13 @@ static inline int xen_evtchn_port_setup(struct irq_info *info)
return 0;
}
+static inline void xen_evtchn_port_remove(evtchn_port_t evtchn,
+ unsigned int cpu)
+{
+ if (evtchn_ops->remove)
+ evtchn_ops->remove(evtchn, cpu);
+}
+
static inline void xen_evtchn_port_bind_to_cpu(struct irq_info *info,
unsigned cpu)
{
@@ -130,11 +143,6 @@ static inline bool test_evtchn(unsigned port)
return evtchn_ops->is_pending(port);
}
-static inline bool test_and_set_mask(unsigned port)
-{
- return evtchn_ops->test_and_set_mask(port);
-}
-
static inline void mask_evtchn(unsigned port)
{
return evtchn_ops->mask(port);
diff --git a/fs/binfmt_misc.c b/fs/binfmt_misc.c
index f842261ce973..2bda9245cabe 100644
--- a/fs/binfmt_misc.c
+++ b/fs/binfmt_misc.c
@@ -695,12 +695,24 @@ static ssize_t bm_register_write(struct file *file, const char __user *buffer,
struct super_block *sb = file_inode(file)->i_sb;
struct dentry *root = sb->s_root, *dentry;
int err = 0;
+ struct file *f = NULL;
e = create_entry(buffer, count);
if (IS_ERR(e))
return PTR_ERR(e);
+ if (e->flags & MISC_FMT_OPEN_FILE) {
+ f = open_exec(e->interpreter);
+ if (IS_ERR(f)) {
+ pr_notice("register: failed to install interpreter file %s\n",
+ e->interpreter);
+ kfree(e);
+ return PTR_ERR(f);
+ }
+ e->interp_file = f;
+ }
+
inode_lock(d_inode(root));
dentry = lookup_one_len(e->name, root, strlen(e->name));
err = PTR_ERR(dentry);
@@ -724,21 +736,6 @@ static ssize_t bm_register_write(struct file *file, const char __user *buffer,
goto out2;
}
- if (e->flags & MISC_FMT_OPEN_FILE) {
- struct file *f;
-
- f = open_exec(e->interpreter);
- if (IS_ERR(f)) {
- err = PTR_ERR(f);
- pr_notice("register: failed to install interpreter file %s\n", e->interpreter);
- simple_release_fs(&bm_mnt, &entry_count);
- iput(inode);
- inode = NULL;
- goto out2;
- }
- e->interp_file = f;
- }
-
e->dentry = dget(dentry);
inode->i_private = e;
inode->i_fop = &bm_entry_operations;
@@ -755,6 +752,8 @@ static ssize_t bm_register_write(struct file *file, const char __user *buffer,
inode_unlock(d_inode(root));
if (err) {
+ if (f)
+ filp_close(f, NULL);
kfree(e);
return err;
}
diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c
index be84d49f2406..375ccd209206 100644
--- a/fs/cifs/cifsfs.c
+++ b/fs/cifs/cifsfs.c
@@ -208,7 +208,7 @@ cifs_statfs(struct dentry *dentry, struct kstatfs *buf)
rc = server->ops->queryfs(xid, tcon, buf);
free_xid(xid);
- return 0;
+ return rc;
}
static long cifs_fallocate(struct file *file, int mode, loff_t off, loff_t len)
diff --git a/fs/configfs/file.c b/fs/configfs/file.c
index 7285440bc62e..896e90dc9193 100644
--- a/fs/configfs/file.c
+++ b/fs/configfs/file.c
@@ -392,7 +392,7 @@ static int __configfs_open_file(struct inode *inode, struct file *file, int type
attr = to_attr(dentry);
if (!attr)
- goto out_put_item;
+ goto out_free_buffer;
if (type & CONFIGFS_ITEM_BIN_ATTR) {
buffer->bin_attr = to_bin_attr(dentry);
@@ -405,7 +405,7 @@ static int __configfs_open_file(struct inode *inode, struct file *file, int type
/* Grab the module reference for this attribute if we have one */
error = -ENODEV;
if (!try_module_get(buffer->owner))
- goto out_put_item;
+ goto out_free_buffer;
error = -EACCES;
if (!buffer->item->ci_type)
@@ -449,8 +449,6 @@ static int __configfs_open_file(struct inode *inode, struct file *file, int type
out_put_module:
module_put(buffer->owner);
-out_put_item:
- config_item_put(buffer->item);
out_free_buffer:
up_read(&frag->frag_sem);
kfree(buffer);
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index 2abdb2070c87..0cebe0ca03b2 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -5218,7 +5218,7 @@ static int _nfs4_get_security_label(struct inode *inode, void *buf,
return ret;
if (!(fattr.valid & NFS_ATTR_FATTR_V4_SECURITY_LABEL))
return -ENOENT;
- return 0;
+ return label.len;
}
static int nfs4_get_security_label(struct inode *inode, void *buf,
diff --git a/fs/udf/inode.c b/fs/udf/inode.c
index 149baf5f3d19..50607673a6a9 100644
--- a/fs/udf/inode.c
+++ b/fs/udf/inode.c
@@ -548,11 +548,14 @@ static int udf_do_extend_file(struct inode *inode,
udf_write_aext(inode, last_pos, &last_ext->extLocation,
last_ext->extLength, 1);
+
/*
- * We've rewritten the last extent but there may be empty
- * indirect extent after it - enter it.
+ * We've rewritten the last extent. If we are going to add
+ * more extents, we may need to enter possible following
+ * empty indirect extent.
*/
- udf_next_aext(inode, last_pos, &tmploc, &tmplen, 0);
+ if (new_block_bytes || prealloc_len)
+ udf_next_aext(inode, last_pos, &tmploc, &tmplen, 0);
}
/* Managed to do everything necessary? */
diff --git a/include/linux/can/skb.h b/include/linux/can/skb.h
index 1a2111c775ae..0e7350973e0e 100644
--- a/include/linux/can/skb.h
+++ b/include/linux/can/skb.h
@@ -48,8 +48,12 @@ static inline void can_skb_reserve(struct sk_buff *skb)
static inline void can_skb_set_owner(struct sk_buff *skb, struct sock *sk)
{
- if (sk) {
- sock_hold(sk);
+ /* If the socket has already been closed by user space, the
+ * refcount may already be 0 (and the socket will be freed
+ * after the last TX skb has been freed). So only increase
+ * socket refcount if the refcount is > 0.
+ */
+ if (sk && atomic_inc_not_zero(&sk->sk_refcnt)) {
skb->destructor = sock_efree;
skb->sk = sk;
}
diff --git a/include/uapi/linux/netfilter/nfnetlink_cthelper.h b/include/uapi/linux/netfilter/nfnetlink_cthelper.h
index 33659f6fad3e..30557bade935 100644
--- a/include/uapi/linux/netfilter/nfnetlink_cthelper.h
+++ b/include/uapi/linux/netfilter/nfnetlink_cthelper.h
@@ -4,7 +4,7 @@
#define NFCT_HELPER_STATUS_DISABLED 0
#define NFCT_HELPER_STATUS_ENABLED 1
-enum nfnl_acct_msg_types {
+enum nfnl_cthelper_msg_types {
NFNL_MSG_CTHELPER_NEW,
NFNL_MSG_CTHELPER_GET,
NFNL_MSG_CTHELPER_DEL,
diff --git a/mm/slub.c b/mm/slub.c
index 5c48a8a0524a..0b13135fd571 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -1833,7 +1833,7 @@ static void *get_partial_node(struct kmem_cache *s, struct kmem_cache_node *n,
t = acquire_slab(s, n, page, object == NULL, &objects);
if (!t)
- continue; /* cmpxchg raced */
+ break;
available += objects;
if (!object) {
diff --git a/net/ipv4/udp_offload.c b/net/ipv4/udp_offload.c
index f4f616eaaeb8..b1b43d7da91b 100644
--- a/net/ipv4/udp_offload.c
+++ b/net/ipv4/udp_offload.c
@@ -265,7 +265,7 @@ struct sk_buff **udp_gro_receive(struct sk_buff **head, struct sk_buff *skb,
struct sock *sk;
if (NAPI_GRO_CB(skb)->encap_mark ||
- (skb->ip_summed != CHECKSUM_PARTIAL &&
+ (uh->check && skb->ip_summed != CHECKSUM_PARTIAL &&
NAPI_GRO_CB(skb)->csum_cnt == 0 &&
!NAPI_GRO_CB(skb)->csum_valid))
goto out;
diff --git a/net/mpls/mpls_gso.c b/net/mpls/mpls_gso.c
index b4da6d8e8632..2129856b5933 100644
--- a/net/mpls/mpls_gso.c
+++ b/net/mpls/mpls_gso.c
@@ -18,6 +18,7 @@
#include <linux/netdev_features.h>
#include <linux/netdevice.h>
#include <linux/skbuff.h>
+#include <net/mpls.h>
static struct sk_buff *mpls_gso_segment(struct sk_buff *skb,
netdev_features_t features)
@@ -31,6 +32,8 @@ static struct sk_buff *mpls_gso_segment(struct sk_buff *skb,
skb_reset_network_header(skb);
mpls_hlen = skb_inner_network_header(skb) - skb_network_header(skb);
+ if (unlikely(!mpls_hlen || mpls_hlen % MPLS_HLEN))
+ goto out;
if (unlikely(!pskb_may_pull(skb, mpls_hlen)))
goto out;
diff --git a/net/netfilter/x_tables.c b/net/netfilter/x_tables.c
index e065140d0c93..cef5674ea434 100644
--- a/net/netfilter/x_tables.c
+++ b/net/netfilter/x_tables.c
@@ -272,6 +272,7 @@ static int match_revfn(u8 af, const char *name, u8 revision, int *bestp)
const struct xt_match *m;
int have_rev = 0;
+ mutex_lock(&xt[af].mutex);
list_for_each_entry(m, &xt[af].match, list) {
if (strcmp(m->name, name) == 0) {
if (m->revision > *bestp)
@@ -280,6 +281,7 @@ static int match_revfn(u8 af, const char *name, u8 revision, int *bestp)
have_rev = 1;
}
}
+ mutex_unlock(&xt[af].mutex);
if (af != NFPROTO_UNSPEC && !have_rev)
return match_revfn(NFPROTO_UNSPEC, name, revision, bestp);
@@ -292,6 +294,7 @@ static int target_revfn(u8 af, const char *name, u8 revision, int *bestp)
const struct xt_target *t;
int have_rev = 0;
+ mutex_lock(&xt[af].mutex);
list_for_each_entry(t, &xt[af].target, list) {
if (strcmp(t->name, name) == 0) {
if (t->revision > *bestp)
@@ -300,6 +303,7 @@ static int target_revfn(u8 af, const char *name, u8 revision, int *bestp)
have_rev = 1;
}
}
+ mutex_unlock(&xt[af].mutex);
if (af != NFPROTO_UNSPEC && !have_rev)
return target_revfn(NFPROTO_UNSPEC, name, revision, bestp);
@@ -313,12 +317,10 @@ int xt_find_revision(u8 af, const char *name, u8 revision, int target,
{
int have_rev, best = -1;
- mutex_lock(&xt[af].mutex);
if (target == 1)
have_rev = target_revfn(af, name, revision, &best);
else
have_rev = match_revfn(af, name, revision, &best);
- mutex_unlock(&xt[af].mutex);
/* Nothing at all? Return 0 to try loading module. */
if (best == -1) {
diff --git a/net/sched/sch_api.c b/net/sched/sch_api.c
index 45038c837eab..98d88386d6d5 100644
--- a/net/sched/sch_api.c
+++ b/net/sched/sch_api.c
@@ -1789,7 +1789,7 @@ static int tc_dump_tclass_qdisc(struct Qdisc *q, struct sk_buff *skb,
static int tc_dump_tclass_root(struct Qdisc *root, struct sk_buff *skb,
struct tcmsg *tcm, struct netlink_callback *cb,
- int *t_p, int s_t)
+ int *t_p, int s_t, bool recur)
{
struct Qdisc *q;
int b;
@@ -1800,7 +1800,7 @@ static int tc_dump_tclass_root(struct Qdisc *root, struct sk_buff *skb,
if (tc_dump_tclass_qdisc(root, skb, tcm, cb, t_p, s_t) < 0)
return -1;
- if (!qdisc_dev(root))
+ if (!qdisc_dev(root) || !recur)
return 0;
hash_for_each(qdisc_dev(root)->qdisc_hash, b, q, hash) {
@@ -1828,13 +1828,13 @@ static int tc_dump_tclass(struct sk_buff *skb, struct netlink_callback *cb)
s_t = cb->args[0];
t = 0;
- if (tc_dump_tclass_root(dev->qdisc, skb, tcm, cb, &t, s_t) < 0)
+ if (tc_dump_tclass_root(dev->qdisc, skb, tcm, cb, &t, s_t, true) < 0)
goto done;
dev_queue = dev_ingress_queue(dev);
if (dev_queue &&
tc_dump_tclass_root(dev_queue->qdisc_sleeping, skb, tcm, cb,
- &t, s_t) < 0)
+ &t, s_t, false) < 0)
goto done;
done:
diff --git a/scripts/recordmcount.c b/scripts/recordmcount.c
index 9972141f11aa..5adff21316c6 100644
--- a/scripts/recordmcount.c
+++ b/scripts/recordmcount.c
@@ -362,7 +362,7 @@ static uint32_t (*w2)(uint16_t);
static int
is_mcounted_section_name(char const *const txtname)
{
- return strcmp(".text", txtname) == 0 ||
+ return strncmp(".text", txtname, 5) == 0 ||
strcmp(".ref.text", txtname) == 0 ||
strcmp(".sched.text", txtname) == 0 ||
strcmp(".spinlock.text", txtname) == 0 ||
diff --git a/scripts/recordmcount.pl b/scripts/recordmcount.pl
index fb0d25ced2fb..113c7a071810 100755
--- a/scripts/recordmcount.pl
+++ b/scripts/recordmcount.pl
@@ -140,6 +140,11 @@ my %text_sections = (
".text.unlikely" => 1,
);
+# Acceptable section-prefixes to record.
+my %text_section_prefixes = (
+ ".text." => 1,
+);
+
# Note: we are nice to C-programmers here, thus we skip the '||='-idiom.
$objdump = 'objdump' if (!$objdump);
$objcopy = 'objcopy' if (!$objcopy);
@@ -505,6 +510,14 @@ while (<IN>) {
# Only record text sections that we know are safe
$read_function = defined($text_sections{$1});
+ if (!$read_function) {
+ foreach my $prefix (keys %text_section_prefixes) {
+ if (substr($1, 0, length $prefix) eq $prefix) {
+ $read_function = 1;
+ last;
+ }
+ }
+ }
# print out any recorded offsets
update_funcs();
diff --git a/sound/pci/hda/hda_bind.c b/sound/pci/hda/hda_bind.c
index d0d6dfbfcfdf..f25c2c43c562 100644
--- a/sound/pci/hda/hda_bind.c
+++ b/sound/pci/hda/hda_bind.c
@@ -46,6 +46,10 @@ static void hda_codec_unsol_event(struct hdac_device *dev, unsigned int ev)
if (codec->bus->shutdown)
return;
+ /* ignore unsol events during system suspend/resume */
+ if (codec->core.dev.power.power_state.event != PM_EVENT_ON)
+ return;
+
if (codec->patch_ops.unsol_event)
codec->patch_ops.unsol_event(codec, ev);
}
diff --git a/sound/pci/hda/patch_hdmi.c b/sound/pci/hda/patch_hdmi.c
index ba0c3a381933..8b240a55cb89 100644
--- a/sound/pci/hda/patch_hdmi.c
+++ b/sound/pci/hda/patch_hdmi.c
@@ -2156,6 +2156,18 @@ static void generic_hdmi_free(struct hda_codec *codec)
}
#ifdef CONFIG_PM
+static int generic_hdmi_suspend(struct hda_codec *codec)
+{
+ struct hdmi_spec *spec = codec->spec;
+ int pin_idx;
+
+ for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
+ struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
+ cancel_delayed_work_sync(&per_pin->work);
+ }
+ return 0;
+}
+
static int generic_hdmi_resume(struct hda_codec *codec)
{
struct hdmi_spec *spec = codec->spec;
@@ -2179,6 +2191,7 @@ static const struct hda_codec_ops generic_hdmi_patch_ops = {
.build_controls = generic_hdmi_build_controls,
.unsol_event = hdmi_unsol_event,
#ifdef CONFIG_PM
+ .suspend = generic_hdmi_suspend,
.resume = generic_hdmi_resume,
#endif
};
diff --git a/sound/usb/quirks.c b/sound/usb/quirks.c
index 66b7ccb33c7b..664aff41f071 100644
--- a/sound/usb/quirks.c
+++ b/sound/usb/quirks.c
@@ -1153,6 +1153,7 @@ bool snd_usb_get_sample_rate_quirk(struct snd_usb_audio *chip)
case USB_ID(0x1de7, 0x0114): /* Phoenix Audio MT202pcs */
case USB_ID(0x21B4, 0x0081): /* AudioQuest DragonFly */
case USB_ID(0x2912, 0x30c8): /* Audioengine D1 */
+ case USB_ID(0x413c, 0xa506): /* Dell AE515 sound bar */
return true;
}
return false;
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