diff --git a/[refs] b/[refs]
index 9ea663e23875..f97ac5d95ecb 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 8c56a347c1dfbe384b1ffb65d8828faa36dbaea4
+refs/heads/master: c8d90dca3211966ba5189e0f3d4bccd558d9ae08
diff --git a/trunk/net/core/dev.c b/trunk/net/core/dev.c
index f1647d7dd14b..ddfef3b45bab 100644
--- a/trunk/net/core/dev.c
+++ b/trunk/net/core/dev.c
@@ -883,6 +883,9 @@ int dev_change_name(struct net_device *dev, char *newname)
 	if (!dev_valid_name(newname))
 		return -EINVAL;
 
+	if (strncmp(newname, dev->name, IFNAMSIZ) == 0)
+		return 0;
+
 	memcpy(oldname, dev->name, IFNAMSIZ);
 
 	if (strchr(newname, '%')) {