diff --git a/drivers/net/tun.c b/drivers/net/tun.c
index 5a302709a68a..bde5032bf4f4 100644
--- a/drivers/net/tun.c
+++ b/drivers/net/tun.c
@@ -3855,6 +3855,7 @@ static void __exit tun_cleanup(void)
 	misc_deregister(&tun_miscdev);
 	rtnl_link_unregister(&tun_link_ops);
 	unregister_netdevice_notifier(&tun_notifier_block);
+	rcu_barrier();
 }
 
 /* Get an underlying socket object from tun file.  Returns error unless file is