diff --git a/[refs] b/[refs]
index 4fe941876115..b6e1e42916b8 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 5ece3eae4cdb968c269e0bc7e2c0e2b223552025
+refs/heads/master: 37ad8aca94a1da2112a7c56151390914e80d1113
diff --git a/trunk/kernel/freezer.c b/trunk/kernel/freezer.c
index c3496c6a91b2..389549f0a94e 100644
--- a/trunk/kernel/freezer.c
+++ b/trunk/kernel/freezer.c
@@ -93,9 +93,10 @@ static void fake_signal_wake_up(struct task_struct *p)
 {
 	unsigned long flags;
 
-	spin_lock_irqsave(&p->sighand->siglock, flags);
-	signal_wake_up(p, 0);
-	spin_unlock_irqrestore(&p->sighand->siglock, flags);
+	if (lock_task_sighand(p, &flags)) {
+		signal_wake_up(p, 0);
+		unlock_task_sighand(p, &flags);
+	}
 }
 
 /**