commit b7f9a11a6cf1ea9ee6be3eb2b90d91327a09ad14
author Al Viro <viro@zeniv.linux.org.uk> Wed May 02 09:59:21 2012 -0400
committer Al Viro <viro@zeniv.linux.org.uk> Fri Jun 01 12:58:48 2012 -0400
tree 7d5a5f469aea8ac2b3e1ab41e05a6abafcb2b694
parent 51a7b448d4134e3e8eec633435e3e8faee14a828

new helper: sigmask_to_save()

replace boilerplate "should we use ->saved_sigmask or ->blocked?"
with calls of obvious inlined helper...

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

arch/sh/kernel/signal_64.c

diff --git a/arch/sh/kernel/signal_64.c b/arch/sh/kernel/signal_64.c
index 6e191ef..cc22d2b 100644
--- a/arch/sh/kernel/signal_64.c
+++ b/arch/sh/kernel/signal_64.c
@@ -45,7 +45,7 @@
 
 static int
 handle_signal(unsigned long sig, siginfo_t *info, struct k_sigaction *ka,
-		sigset_t *oldset, struct pt_regs * regs);
+		struct pt_regs * regs);
 
 static inline void
 handle_syscall_restart(struct pt_regs *regs, struct sigaction *sa)
@@ -88,7 +88,6 @@
 	siginfo_t info;
 	int signr;
 	struct k_sigaction ka;
-	sigset_t *oldset;
 
 	/*
 	 * We want the common case to go fast, which
@@ -99,17 +98,12 @@
 	if (!user_mode(regs))
 		return;
 
-	if (current_thread_info()->status & TS_RESTORE_SIGMASK)
-		oldset = &current->saved_sigmask;
-	else
-		oldset = &current->blocked;
-
 	signr = get_signal_to_deliver(&info, &ka, regs, 0);
 	if (signr > 0) {
 		handle_syscall_restart(regs, &ka.sa);
 
 		/* Whee!  Actually deliver the signal.  */
-		if (handle_signal(signr, &info, &ka, oldset, regs) == 0) {
+		if (handle_signal(signr, &info, &ka, regs) == 0) {
 			/*
 			 * If a signal was successfully delivered, the
 			 * saved sigmask is in its frame, and we can
@@ -656,8 +650,9 @@
  */
 static int
 handle_signal(unsigned long sig, siginfo_t *info, struct k_sigaction *ka,
-		sigset_t *oldset, struct pt_regs * regs)
+		struct pt_regs * regs)
 {
+	sigset_t *oldset = sigmask_to_save();
 	int ret;
 
 	/* Set up the stack frame */