commit 51a7b448d4134e3e8eec633435e3e8faee14a828
author Al Viro <viro@zeniv.linux.org.uk> Mon May 21 23:33:55 2012 -0400
committer Al Viro <viro@zeniv.linux.org.uk> Fri Jun 01 12:58:47 2012 -0400
tree 8fc58560ffee1c944ec5e198029d5c2e6f7c0bd3
parent 4ebefe3ec729003443daf153ed6fad1739271283

new helper: restore_saved_sigmask()

first fruits of ..._restore_sigmask() helpers: now we can take
boilerplate "signal didn't have a handler, clear RESTORE_SIGMASK
and restore the blocked mask from ->saved_mask" into a common
helper.  Open-coded instances switched...

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

arch/um/kernel/signal.c

diff --git a/arch/um/kernel/signal.c b/arch/um/kernel/signal.c
index 292e706..6acf13c 100644
--- a/arch/um/kernel/signal.c
+++ b/arch/um/kernel/signal.c
@@ -130,10 +130,8 @@
 	 * if there's no signal to deliver, we just put the saved sigmask
 	 * back
 	 */
-	if (!handled_sig && test_thread_flag(TIF_RESTORE_SIGMASK)) {
-		clear_thread_flag(TIF_RESTORE_SIGMASK);
-		sigprocmask(SIG_SETMASK, &current->saved_sigmask, NULL);
-	}
+	if (!handled_sig)
+		restore_saved_sigmask();
 	return handled_sig;
 }