veth: remove unneeded ifname code from veth_newlink()

The code is not needed because tb[IFLA_IFNAME] is already
processed in rtnl_newlink(). Remove this redundancy.
Signed-off-by: NJiri Pirko <jpirko@redhat.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

drivers/net/veth.c

@@ -403,17 +403,6 @@ static int veth_newlink(struct net *src_net, struct net_device *dev,
 	if (tb[IFLA_ADDRESS] == NULL)
 		random_ether_addr(dev->dev_addr);
 
-	if (tb[IFLA_IFNAME])
-		nla_strlcpy(dev->name, tb[IFLA_IFNAME], IFNAMSIZ);
-	else
-		snprintf(dev->name, IFNAMSIZ, DRV_NAME "%%d");
-
-	if (strchr(dev->name, '%')) {
-		err = dev_alloc_name(dev, dev->name);
-		if (err < 0)
-			goto err_alloc_name;
-	}
-
 	err = register_netdevice(dev);
 	if (err < 0)
 		goto err_register_dev;
@@ -433,7 +422,6 @@ static int veth_newlink(struct net *src_net, struct net_device *dev,
 
 err_register_dev:
 	/* nothing to do */
-err_alloc_name:
 err_configure_peer:
 	unregister_netdevice(peer);
 	return err;