[PATCH v2 3/4] signal/x86: Move restore_saved_sigmask().

[NIIBE Yutaka]

Call to restore_saved_sigmask is only needed when it is from a system
call.  It is only woken up system call which uses saved_sigmask.
Specifically, they are pselect, ppoll, and epoll_pwait.

Signed-off-by: NIIBE Yutaka <gniibe@xxxxxxxx>
---
 arch/x86/kernel/signal.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/arch/x86/kernel/signal.c b/arch/x86/kernel/signal.c
index e709b54a01b8..9c24df5ca2d4 100644
--- a/arch/x86/kernel/signal.c
+++ b/arch/x86/kernel/signal.c
@@ -834,13 +834,13 @@ void nosig_restart_syscall(struct pt_regs *regs)
 			regs->ip -= 2;
 			break;
 		}
-	}
 
-	/*
-	 * If there's no signal to deliver, we just put the saved sigmask
-	 * back.
-	 */
-	restore_saved_sigmask();
+		/*
+		 * If there's no signal to deliver, we just put the
+		 * saved sigmask back.
+		 */
+		restore_saved_sigmask();
+	}
 }
 
 void signal_fault(struct pt_regs *regs, void __user *frame, char *where)
-- 
2.11.0