From: Jiri Pirko <jiri@resnulli.us>
Date: Thu, 3 Jan 2013 22:48:50 +0000 (+0000)
Subject: macvlan: add link to upper device
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=7cd43db77eed83ce9c2086edb402748256e05f14;p=linux.git

macvlan: add link to upper device

Signed-off-by: Jiri Pirko <jiri@resnulli.us>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/drivers/net/macvlan.c b/drivers/net/macvlan.c
index 80c6f927a7b4b..0ae45182f40dc 100644
--- a/drivers/net/macvlan.c
+++ b/drivers/net/macvlan.c
@@ -764,16 +764,22 @@ int macvlan_common_newlink(struct net *src_net, struct net_device *dev,
 		memcpy(dev->dev_addr, lowerdev->dev_addr, ETH_ALEN);
 	}
 
+	err = netdev_upper_dev_link(lowerdev, dev);
+	if (err)
+		goto destroy_port;
+
 	port->count += 1;
 	err = register_netdevice(dev);
 	if (err < 0)
-		goto destroy_port;
+		goto upper_dev_unlink;
 
 	list_add_tail(&vlan->list, &port->vlans);
 	netif_stacked_transfer_operstate(lowerdev, dev);
 
 	return 0;
 
+upper_dev_unlink:
+	netdev_upper_dev_unlink(lowerdev, dev);
 destroy_port:
 	port->count -= 1;
 	if (!port->count)
@@ -797,6 +803,7 @@ void macvlan_dellink(struct net_device *dev, struct list_head *head)
 
 	list_del(&vlan->list);
 	unregister_netdevice_queue(dev, head);
+	netdev_upper_dev_unlink(vlan->lowerdev, dev);
 }
 EXPORT_SYMBOL_GPL(macvlan_dellink);