diff --git a/kernel/cgroup_freezer.c b/kernel/cgroup_freezer.c
index 12ead0b..345628c 100644
--- a/kernel/cgroup_freezer.c
+++ b/kernel/cgroup_freezer.c
@@ -267,8 +267,10 @@
 		struct freezer *child = css_freezer(pos);
 
 		if ((child->state & CGROUP_FREEZER_ONLINE) &&
-		    !(child->state & CGROUP_FROZEN))
+		    !(child->state & CGROUP_FROZEN)) {
+			rcu_read_unlock();
 			return;
+		}
 	}
 	rcu_read_unlock();