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um: Fix get_signal() usage 

If get_signal() returns us a signal to post
we must not call it again, otherwise the already
posted signal will be overridden.
Before commit a610d6e672 this was the case as we stopped
the while after a successful handle_signal().

Cc: <stable@vger.kernel.org> # 3.10-
Fixes: a610d6e672 ("pull clearing RESTORE_SIGMASK into block_sigmask()")
Signed-off-by: Richard Weinberger <richard@nod.at>
This commit is contained in:
Richard Weinberger 2015-11-18 09:37:15 +01:00
parent 527e9316f8
commit db2f24dc24
1 changed files with 1 additions and 1 deletions
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2
arch/um/kernel/signal.c
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@ -69,7 +69,7 @@ void do_signal(struct pt_regs *regs)
struct ksignal ksig;
int handled_sig = 0;
while (get_signal(&ksig)) {
if (get_signal(&ksig)) {
handled_sig = 1;
/* Whee! Actually deliver the signal. */
handle_signal(&ksig, regs);