diff options
author | Ingo Molnar <mingo@kernel.org> | 2012-12-08 15:25:06 +0100 |
---|---|---|
committer | Ingo Molnar <mingo@kernel.org> | 2012-12-08 15:25:06 +0100 |
commit | f0b9abfb044649bc452fb2fb975ff2fd599cc6a3 (patch) | |
tree | 7800081c5cb16a4dfee1e57a70f3be90f7b50d9a /arch/score/kernel/signal.c | |
parent | adc1ef1e37358d3c17d1a74a58b2e104fc0bda15 (diff) | |
parent | 1b3c393cd43f22ead8a6a2f839efc6df8ebd7465 (diff) |
Merge branch 'linus' into perf/core
Conflicts:
tools/perf/Makefile
tools/perf/builtin-test.c
tools/perf/perf.h
tools/perf/tests/parse-events.c
tools/perf/util/evsel.h
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/score/kernel/signal.c')
-rw-r--r-- | arch/score/kernel/signal.c | 7 |
1 files changed, 2 insertions, 5 deletions
diff --git a/arch/score/kernel/signal.c b/arch/score/kernel/signal.c index c268bbf8b41..02353bde92d 100644 --- a/arch/score/kernel/signal.c +++ b/arch/score/kernel/signal.c @@ -148,7 +148,6 @@ score_rt_sigreturn(struct pt_regs *regs) { struct rt_sigframe __user *frame; sigset_t set; - stack_t st; int sig; /* Always make any pending restarted system calls return -EINTR */ @@ -168,12 +167,10 @@ score_rt_sigreturn(struct pt_regs *regs) else if (sig) force_sig(sig, current); - if (__copy_from_user(&st, &frame->rs_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((stack_t __user *)&st, NULL, regs->regs[0]); + if (do_sigaltstack(&frame->rs_uc.uc_stack, NULL, regs->regs[0]) == -EFAULT) + goto badframe; regs->is_syscall = 0; __asm__ __volatile__( |