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sh: Fix sigmask trampling in signal delivery.

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There was a missing return in do_signal() that caused the saved
sigmask to be written back after having successfully delivered
the signal.

Signed-off-by: Ryusuke Sakato <sakato@hsdv.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
This commit is contained in:
Ryusuke Sakato 2007-02-23 13:22:56 +09:00 committed by Paul Mundt
parent 9432f96803
commit c8bfa1fdc8
1 changed files with 3 additions and 1 deletions
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4
arch/sh/kernel/signal.c
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@ -589,6 +589,8 @@ static void do_signal(struct pt_regs *regs, unsigned int save_r0)
if (test_thread_flag(TIF_RESTORE_SIGMASK))
clear_thread_flag(TIF_RESTORE_SIGMASK);
}
return;
}
no_signal:
@ -598,7 +600,7 @@ static void do_signal(struct pt_regs *regs, unsigned int save_r0)
if (regs->regs[0] == -ERESTARTNOHAND ||
regs->regs[0] == -ERESTARTSYS ||
regs->regs[0] == -ERESTARTNOINTR) {
regs->regs[0] = save_r0;
regs->regs[0] = save_r0;
regs->pc -= 2;
} else if (regs->regs[0] == -ERESTART_RESTARTBLOCK) {
regs->pc -= 2;