diff --git a/net/l2tp/l2tp_ppp.c b/net/l2tp/l2tp_ppp.c
index bc6e8bfc5be4997e421c0b5326a8b37e2ffc9901..f50452b919d5ece9d70e2c25634bc8fef9962e6b 100644
--- a/net/l2tp/l2tp_ppp.c
+++ b/net/l2tp/l2tp_ppp.c
@@ -988,6 +988,9 @@ static int pppol2tp_session_ioctl(struct l2tp_session *session,
 		 session->name, cmd, arg);
 
 	sk = ps->sock;
+	if (!sk)
+		return -EBADR;
+
 	sock_hold(sk);
 
 	switch (cmd) {