diff --git a/net/l2tp/l2tp_core.c b/net/l2tp/l2tp_core.c
index 52b5a2797c0c6e85e0cd2f8203616b536b86d178..e4dec03a19fe99d9a39e6b87fb26881e0bd09bba 100644
--- a/net/l2tp/l2tp_core.c
+++ b/net/l2tp/l2tp_core.c
@@ -1735,7 +1735,8 @@ static __net_exit void l2tp_exit_net(struct net *net)
 	}
 	rcu_read_unlock_bh();
 
-	flush_workqueue(l2tp_wq);
+	if (l2tp_wq)
+		flush_workqueue(l2tp_wq);
 	rcu_barrier();
 
 	for (hash = 0; hash < L2TP_HASH_SIZE_2; hash++)