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macvlan: add link to upper device

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Signed-off-by: Jiri Pirko <jiri@resnulli.us>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jiri Pirko 2013-01-03 22:48:50 +00:00 committed by David S. Miller
parent 9ff162a8b9
commit 7cd43db77e
1 changed files with 8 additions and 1 deletions
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9
drivers/net/macvlan.c
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@ -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);