Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=755f21bb894d3fe57017f5aa8f7ace8808fcb1e3
Commit: 755f21bb894d3fe57017f5aa8f7ace8808fcb1e3
Parent: 8a03d9a498eaf02c8a118752050a5154852c13bf
Author: Atsushi Nemoto <[EMAIL PROTECTED]>
AuthorDate: Wed Feb 14 14:41:01 2007 +0900
Committer: Ralf Baechle <[EMAIL PROTECTED]>
CommitDate: Sun Feb 18 21:31:33 2007 +0000
[MIPS] Fix sigset_t endianess swapping issues in 32-bit compat code.
access_ok in compat-signal.h is wrong (checking destination instead of
source) and redundant (already checked before calling this function).
Also sf_mask in struct sigframe32 should be compat_sigset_t type.
Signed-off-by: Atsushi Nemoto <[EMAIL PROTECTED]>
Signed-off-by: Ralf Baechle <[EMAIL PROTECTED]>
---
arch/mips/kernel/signal32.c | 4 ++--
include/asm-mips/compat-signal.h | 3 ---
2 files changed, 2 insertions(+), 5 deletions(-)
diff --git a/arch/mips/kernel/signal32.c b/arch/mips/kernel/signal32.c
index c28cb21..9f829f6 100644
--- a/arch/mips/kernel/signal32.c
+++ b/arch/mips/kernel/signal32.c
@@ -150,7 +150,7 @@ struct sigframe32 {
u32 sf_ass[4]; /* argument save space for o32 */
u32 sf_code[2]; /* signal trampoline */
struct sigcontext32 sf_sc;
- sigset_t sf_mask;
+ compat_sigset_t sf_mask;
};
struct rt_sigframe32 {
@@ -166,7 +166,7 @@ struct sigframe32 {
u32 sf_ass[4]; /* argument save space for o32 */
u32 sf_pad[2];
struct sigcontext32 sf_sc; /* hw context */
- sigset_t sf_mask;
+ compat_sigset_t sf_mask;
u32 sf_code[8] ____cacheline_aligned; /* signal trampoline */
};
diff --git a/include/asm-mips/compat-signal.h b/include/asm-mips/compat-signal.h
index 6720770..d6e7c3b 100644
--- a/include/asm-mips/compat-signal.h
+++ b/include/asm-mips/compat-signal.h
@@ -33,9 +33,6 @@ static inline int __copy_conv_sigset_from_user(sigset_t *d,
BUG_ON(sizeof(*d) != sizeof(*s));
BUG_ON(_NSIG_WORDS != 2);
- if (unlikely(!access_ok(VERIFY_READ, d, sizeof(*d))))
- return -EFAULT;
-
#ifdef CONFIG_CPU_BIG_ENDIAN
err = __get_user(u->c.sig[1], &s->sig[0]);
err |= __get_user(u->c.sig[0], &s->sig[1]);
-
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