diff --git a/net/ipv4/ipip.c b/net/ipv4/ipip.c
index e77e3b8..dbaed69 100644
--- a/net/ipv4/ipip.c
+++ b/net/ipv4/ipip.c
@@ -228,20 +228,24 @@
 	if (dev == NULL)
 		return NULL;
 
+	if (strchr(name, '%')) {
+		if (dev_alloc_name(dev, name) < 0)
+			goto failed_free;
+	}
+
 	nt = netdev_priv(dev);
 	dev->init = ipip_tunnel_init;
 	nt->parms = *parms;
 
-	if (register_netdevice(dev) < 0) {
-		free_netdev(dev);
-		goto failed;
-	}
+	if (register_netdevice(dev) < 0)
+		goto failed_free;
 
 	dev_hold(dev);
 	ipip_tunnel_link(nt);
 	return nt;
 
-failed:
+failed_free:
+	free_netdev(dev);
 	return NULL;
 }