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 a610d6e672d this was the case as we stopped
the while after a successful handle_signal().

Cc: <sta...@vger.kernel.org> # 3.10-
Fixes: a610d6e672d ("pull clearing RESTORE_SIGMASK into block_sigmask()")
Signed-off-by: Richard Weinberger <rich...@nod.at>
---
 arch/um/kernel/signal.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/um/kernel/signal.c b/arch/um/kernel/signal.c
index 57acbd6..fc8be0e 100644
--- a/arch/um/kernel/signal.c
+++ b/arch/um/kernel/signal.c
@@ -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);
-- 
2.5.0


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