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>

3 files changed, 3 insertions, 12 deletions

diff --git a/arch/sparc/kernel/signal32.c b/arch/sparc/kernel/signal32.c
index bb1513e45f1a..88e0d8122d2c 100644
--- a/arch/sparc/kernel/signal32.c
+++ b/arch/sparc/kernel/signal32.c
@@ -872,10 +872,7 @@ void do_signal32(sigset_t *oldset, struct pt_regs * regs)
         /* If there's no signal to deliver, we just put the saved sigmask
          * back
          */
-        if (current_thread_info()->status & TS_RESTORE_SIGMASK) {
-                current_thread_info()->status &= ~TS_RESTORE_SIGMASK;
-                set_current_blocked(&current->saved_sigmask);
-        }
+        restore_saved_sigmask();
 }
 
 struct sigstack32 {
diff --git a/arch/sparc/kernel/signal_32.c b/arch/sparc/kernel/signal_32.c
index 6b42e8622d12..9dd97d2e171e 100644
--- a/arch/sparc/kernel/signal_32.c
+++ b/arch/sparc/kernel/signal_32.c
@@ -576,10 +576,7 @@ static void do_signal(struct pt_regs *regs, unsigned long orig_i0)
         /* if there's no signal to deliver, we just put the saved sigmask
          * back
          */
-        if (test_thread_flag(TIF_RESTORE_SIGMASK)) {
-                clear_thread_flag(TIF_RESTORE_SIGMASK);
-                set_current_blocked(&current->saved_sigmask);
-        }
+        restore_saved_sigmask();
 }
 
 void do_notify_resume(struct pt_regs *regs, unsigned long orig_i0,
diff --git a/arch/sparc/kernel/signal_64.c b/arch/sparc/kernel/signal_64.c
index c82cf1cc3965..55b820ee0ac9 100644
--- a/arch/sparc/kernel/signal_64.c
+++ b/arch/sparc/kernel/signal_64.c
@@ -594,10 +594,7 @@ static void do_signal(struct pt_regs *regs, unsigned long orig_i0)
         /* If there's no signal to deliver, we just put the saved sigmask
          * back
          */
-        if (current_thread_info()->status & TS_RESTORE_SIGMASK) {
-                current_thread_info()->status &= ~TS_RESTORE_SIGMASK;
-                set_current_blocked(&current->saved_sigmask);
-        }
+        restore_saved_sigmask();
 }
 
 void do_notify_resume(struct pt_regs *regs, unsigned long orig_i0, unsigned long thread_info_flags)