X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=arch%2Fx86%2Fkernel%2Fsignal.c;h=8c55f97728cd584fdcf79fb82833265481731b4a;hb=9b429620740945363b746414e8b9a84b8119914c;hp=bf9345da380bca862923026331fabd787999a5b8;hpb=3982294b0342474ff91472b34c6afb701785f524;p=deliverable%2Flinux.git

diff --git a/arch/x86/kernel/signal.c b/arch/x86/kernel/signal.c
index bf9345da380b..8c55f97728cd 100644
--- a/arch/x86/kernel/signal.c
+++ b/arch/x86/kernel/signal.c
@@ -651,11 +651,15 @@ int ia32_setup_frame(int sig, struct k_sigaction *ka,
 
 static int
 setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
-	       sigset_t *set, struct pt_regs *regs)
+		struct pt_regs *regs)
 {
 	int usig = signr_convert(sig);
+	sigset_t *set = &current->blocked;
 	int ret;
 
+	if (current_thread_info()->status & TS_RESTORE_SIGMASK)
+		set = &current->saved_sigmask;
+
 	/* Set up the stack frame */
 	if (is_ia32) {
 		if (ka->sa.sa_flags & SA_SIGINFO)
@@ -670,12 +674,13 @@ setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
 		return -EFAULT;
 	}
 
+	current_thread_info()->status &= ~TS_RESTORE_SIGMASK;
 	return ret;
 }
 
 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 blocked;
 	int ret;
@@ -710,7 +715,7 @@ handle_signal(unsigned long sig, siginfo_t *info, struct k_sigaction *ka,
 	    likely(test_and_clear_thread_flag(TIF_FORCED_TF)))
 		regs->flags &= ~X86_EFLAGS_TF;
 
-	ret = setup_rt_frame(sig, ka, info, oldset, regs);
+	ret = setup_rt_frame(sig, ka, info, regs);
 
 	if (ret)
 		return ret;
@@ -765,7 +770,6 @@ static void do_signal(struct pt_regs *regs)
 	struct k_sigaction ka;
 	siginfo_t info;
 	int signr;
-	sigset_t *oldset;
 
 	/*
 	 * We want the common case to go fast, which is why we may in certain
@@ -777,23 +781,10 @@ static void do_signal(struct pt_regs *regs)
 	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, NULL);
 	if (signr > 0) {
 		/* Whee! Actually deliver the signal.  */
-		if (handle_signal(signr, &info, &ka, oldset, regs) == 0) {
-			/*
-			 * A signal was successfully delivered; the saved
-			 * sigmask will have been stored in the signal frame,
-			 * and will be restored by sigreturn, so we can simply
-			 * clear the TS_RESTORE_SIGMASK flag.
-			 */
-			current_thread_info()->status &= ~TS_RESTORE_SIGMASK;
-		}
+		handle_signal(signr, &info, &ka, regs);
 		return;
 	}
 
@@ -821,7 +812,7 @@ static void do_signal(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);
 	}
 }