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>

1 files changed, 1 insertions, 4 deletions

diff --git a/arch/avr32/kernel/signal.c b/arch/avr32/kernel/signal.c
index e7595ef74f51..8b12c3046137 100644
--- a/arch/avr32/kernel/signal.c
+++ b/arch/avr32/kernel/signal.c
@@ -297,10 +297,7 @@ int do_signal(struct pt_regs *regs, sigset_t *oldset, int syscall)
 
         if (signr == 0) {
                 /* No signal to deliver -- put the saved sigmask back */
-                if (test_thread_flag(TIF_RESTORE_SIGMASK)) {
-                        clear_thread_flag(TIF_RESTORE_SIGMASK);
-                        sigprocmask(SIG_SETMASK, &current->saved_sigmask, NULL);
-                }
+                restore_saved_sigmask();
                 return 0;
         }