diff --git a/drivers/net/tun.c b/drivers/net/tun.c
index b37e06722388..41277b6c0268 100644
--- a/drivers/net/tun.c
+++ b/drivers/net/tun.c
@@ -1415,6 +1415,8 @@ static void tun_setup(struct net_device *dev)
  */
 static int tun_validate(struct nlattr *tb[], struct nlattr *data[])
 {
+	if (!data)
+		return 0;
 	return -EINVAL;
 }