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| author | Al Viro <viro@zeniv.linux.org.uk> | 2012-04-22 04:42:11 +0200 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2012-05-22 05:58:07 +0200 |
| commit | 8b6c3309c94b7296614d7783eb259555a6be6f7e (patch) | |
| tree | 7568a3f395440a7dbf681b5f2261d286d1a9f97c /arch/h8300 | |
| parent | sh: switch to saved_sigmask-based sigsuspend()/rt_sigsuspend() (diff) | |
| download | linux-8b6c3309c94b7296614d7783eb259555a6be6f7e.tar.xz linux-8b6c3309c94b7296614d7783eb259555a6be6f7e.zip | |
h8300: don't change blocked signals' mask if setting frame up fails
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'arch/h8300')
| -rw-r--r-- | arch/h8300/kernel/signal.c | 18 |
1 files changed, 11 insertions, 7 deletions
diff --git a/arch/h8300/kernel/signal.c b/arch/h8300/kernel/signal.c index cd63f5a6c8fe..78e9b65df93e 100644 --- a/arch/h8300/kernel/signal.c +++ b/arch/h8300/kernel/signal.c @@ -304,7 +304,7 @@ get_sigframe(struct k_sigaction *ka, struct pt_regs *regs, size_t frame_size) return (void *)((usp - frame_size) & -8UL); } -static void setup_frame (int sig, struct k_sigaction *ka, +static int setup_frame (int sig, struct k_sigaction *ka, sigset_t *set, struct pt_regs *regs) { struct sigframe *frame; @@ -365,13 +365,14 @@ static void setup_frame (int sig, struct k_sigaction *ka, regs->er1 = (unsigned long)&(frame->sc); regs->er5 = current->mm->start_data; /* GOT base */ - return; + return 0; give_sigsegv: force_sigsegv(sig, current); + return -EFAULT; } -static void setup_rt_frame (int sig, struct k_sigaction *ka, siginfo_t *info, +static int setup_rt_frame (int sig, struct k_sigaction *ka, siginfo_t *info, sigset_t *set, struct pt_regs *regs) { struct rt_sigframe *frame; @@ -440,10 +441,11 @@ static void setup_rt_frame (int sig, struct k_sigaction *ka, siginfo_t *info, regs->er2 = (unsigned long)&frame->uc; regs->er5 = current->mm->start_data; /* GOT base */ - return; + return 0; give_sigsegv: force_sigsegv(sig, current); + return -EFAULT; } /* @@ -453,6 +455,7 @@ static void handle_signal(unsigned long sig, siginfo_t *info, struct k_sigaction *ka, sigset_t *oldset, struct pt_regs * regs) { + int ret; /* are we from a system call? */ if (regs->orig_er0 >= 0) { switch (regs->er0) { @@ -475,11 +478,12 @@ handle_signal(unsigned long sig, siginfo_t *info, struct k_sigaction *ka, /* set up the stack frame */ if (ka->sa.sa_flags & SA_SIGINFO) - setup_rt_frame(sig, ka, info, oldset, regs); + ret = setup_rt_frame(sig, ka, info, oldset, regs); else - setup_frame(sig, ka, oldset, regs); + ret = setup_frame(sig, ka, oldset, regs); - block_sigmask(ka, sig); + if (!ret) + block_sigmask(ka, sig); } /* |