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authorIngo Molnar <mingo@kernel.org>2012-12-07 12:15:33 +0100
committerIngo Molnar <mingo@kernel.org>2012-12-07 12:15:33 +0100
commit222e82bef4bd520a31d48c31ab24e49dd46daa46 (patch)
treeb6e73cad8e0b3a1c3e1acc537789e97aadaefa92 /arch/openrisc/kernel/signal.c
parent38ca9c927c7d3db61f57e3d3a9334958c3af6e9a (diff)
parent18a2f371f5edf41810f6469cb9be39931ef9deb9 (diff)
Merge branch 'linus' into sched/core
Pick up the autogroups fix and other fixes. Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/openrisc/kernel/signal.c')
-rw-r--r--arch/openrisc/kernel/signal.c6
1 files changed, 2 insertions, 4 deletions
diff --git a/arch/openrisc/kernel/signal.c b/arch/openrisc/kernel/signal.c
index 30110297f4f9..ddedc8a77861 100644
--- a/arch/openrisc/kernel/signal.c
+++ b/arch/openrisc/kernel/signal.c
@@ -84,7 +84,6 @@ asmlinkage long _sys_rt_sigreturn(struct pt_regs *regs)
{
struct rt_sigframe *frame = (struct rt_sigframe __user *)regs->sp;
sigset_t set;
- stack_t st;
/*
* Since we stacked the signal on a dword boundary,
@@ -104,11 +103,10 @@ asmlinkage long _sys_rt_sigreturn(struct pt_regs *regs)
if (restore_sigcontext(regs, &frame->uc.uc_mcontext))
goto badframe;
- if (__copy_from_user(&st, &frame->uc.uc_stack, sizeof(st)))
- goto badframe;
/* It is more difficult to avoid calling this function than to
call it and ignore errors. */
- do_sigaltstack(&st, NULL, regs->sp);
+ if (do_sigaltstack(&frame->uc.uc_stack, NULL, regs->sp) == -EFAULT)
+ goto badframe;
return regs->gpr[11];