1 files changed, 11 insertions, 4 deletions
diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c
index 2a124e9..78f4388 100644
--- a/net/ipv6/ip6_tunnel.c
+++ b/net/ipv6/ip6_tunnel.c
@@ -238,17 +238,24 @@ static struct ip6_tnl *ip6_tnl_create(struct ip6_tnl_parm *p)
 	if (dev == NULL)
 		goto failed;
 
+	if (strchr(name, '%')) {
+		if (dev_alloc_name(dev, name) < 0)
+			goto failed_free;
+	}
+
 	t = netdev_priv(dev);
 	dev->init = ip6_tnl_dev_init;
 	t->parms = *p;
 
-	if ((err = register_netdevice(dev)) < 0) {
-		free_netdev(dev);
-		goto failed;
-	}
+	if ((err = register_netdevice(dev)) < 0)
+		goto failed_free;
+
 	dev_hold(dev);
 	ip6_tnl_link(t);
 	return t;
+
+failed_free:
+	free_netdev(dev);
 failed:
 	return NULL;
 }