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| author | Al Viro <viro@zeniv.linux.org.uk> | 2010-10-11 23:29:28 -0400 |
|---|---|---|
| committer | Geert Uytterhoeven <geert@linux-m68k.org> | 2011-01-07 14:06:59 +0100 |
| commit | d1574df7e01d427c2ed80ada11433a72907ca472 (patch) | |
| tree | a2009894be6fc3c429fbec70e15cf1e0d4485a5e /arch/m68knommu/kernel | |
| parent | 710e91e455caf5cfec02892d667b41f312ec166c (diff) | |
| download | lwn-d1574df7e01d427c2ed80ada11433a72907ca472.tar.gz lwn-d1574df7e01d427c2ed80ada11433a72907ca472.zip | |
m68knommu: Handle multiple pending signals
we shouldn't bugger off to userland when there still are
pending signals; among other things it makes e.g. SIGSEGV
triggered by failure to build a sigframe to be delivered
_now_ and not when we hit the next syscall or interrupt.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Acked-by: Greg Ungerer <gerg@uclinux.org>
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Diffstat (limited to 'arch/m68knommu/kernel')
| -rw-r--r-- | arch/m68knommu/kernel/signal.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/arch/m68knommu/kernel/signal.c b/arch/m68knommu/kernel/signal.c index c973230dad82..c070f3f64255 100644 --- a/arch/m68knommu/kernel/signal.c +++ b/arch/m68knommu/kernel/signal.c @@ -717,7 +717,7 @@ handle_signal(int sig, struct k_sigaction *ka, siginfo_t *info, * want to handle. Thus you cannot kill init even with a SIGKILL even by * mistake. */ -asmlinkage int do_signal(struct pt_regs *regs) +asmlinkage void do_signal(struct pt_regs *regs) { struct k_sigaction ka; siginfo_t info; @@ -731,7 +731,7 @@ asmlinkage int do_signal(struct pt_regs *regs) * if so. */ if (!user_mode(regs)) - return 1; + return; if (test_thread_flag(TIF_RESTORE_SIGMASK)) oldset = ¤t->saved_sigmask; @@ -743,7 +743,7 @@ asmlinkage int do_signal(struct pt_regs *regs) /* Whee! Actually deliver the signal. */ handle_signal(signr, &ka, &info, oldset, regs); clear_thread_flag(TIF_RESTORE_SIGMASK); - return 1; + return; } /* Did we come from a system call? */ @@ -757,5 +757,4 @@ asmlinkage int do_signal(struct pt_regs *regs) clear_thread_flag(TIF_RESTORE_SIGMASK); sigprocmask(SIG_SETMASK, ¤t->saved_sigmask, NULL); } - return 0; } |