sparc: Avoid calling sigprocmask()

Use set_current_blocked() instead.
Signed-off-by: David S. Miller <davem@davemloft.net>

arch/sparc/kernel/signal32.c

@@ -874,7 +874,7 @@ void do_signal32(sigset_t *oldset, struct pt_regs * regs,
 	 */
 	if (current_thread_info()->status & TS_RESTORE_SIGMASK) {
 		current_thread_info()->status &= ~TS_RESTORE_SIGMASK;
-		sigprocmask(SIG_SETMASK, &current->saved_sigmask, NULL);
+		set_current_blocked(&current->saved_sigmask);
 	}
 }
 

arch/sparc/kernel/signal_32.c

@@ -575,7 +575,7 @@ static void do_signal(struct pt_regs *regs, unsigned long orig_i0)
 	 */
 	if (test_thread_flag(TIF_RESTORE_SIGMASK)) {
 		clear_thread_flag(TIF_RESTORE_SIGMASK);
-		sigprocmask(SIG_SETMASK, &current->saved_sigmask, NULL);
+		set_current_blocked(&current->saved_sigmask);
 	}
 }
 

arch/sparc/kernel/signal_64.c

@@ -595,7 +595,7 @@ static void do_signal(struct pt_regs *regs, unsigned long orig_i0)
 	 */
 	if (current_thread_info()->status & TS_RESTORE_SIGMASK) {
 		current_thread_info()->status &= ~TS_RESTORE_SIGMASK;
-		sigprocmask(SIG_SETMASK, &current->saved_sigmask, NULL);
+		set_current_blocked(&current->saved_sigmask);
 	}
 }