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, 5 deletions

diff --git a/arch/powerpc/kernel/signal.c b/arch/powerpc/kernel/signal.c
index bfc3ec1382fb..0f4cc67f4268 100644
--- a/arch/powerpc/kernel/signal.c
+++ b/arch/powerpc/kernel/signal.c
@@ -132,12 +132,8 @@ static int do_signal(struct pt_regs *regs)
         check_syscall_restart(regs, &ka, signr > 0);
 
         if (signr <= 0) {
-                struct thread_info *ti = current_thread_info();
                 /* No signal to deliver -- put the saved sigmask back */
-                if (ti->local_flags & _TLF_RESTORE_SIGMASK) {
-                        ti->local_flags &= ~_TLF_RESTORE_SIGMASK;
-                        sigprocmask(SIG_SETMASK, &current->saved_sigmask, NULL);
-                }
+                restore_saved_sigmask();
                 regs->trap = 0;
                 return 0;               /* no signals delivered */
         }