[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 <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

1 files changed, 2 insertions, 2 deletions

diff --git a/arch/mips/kernel/signal32.c b/arch/mips/kernel/signal32.c
index c28cb21514c8..9f829f63024b 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 */
 };