diff --git a/net/core/sock.c b/net/core/sock.c
index c49412cdd12c..9fedbbfb0708 100644
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -1221,9 +1221,7 @@ void sock_update_classid(struct sock *sk)
 {
 	u32 classid;
 
-	rcu_read_lock();  /* doing current task, which cannot vanish. */
 	classid = task_cls_classid(current);
-	rcu_read_unlock();
 	if (classid != sk->sk_classid)
 		sk->sk_classid = classid;
 }