[patch net-next 02/16] macvlan: add link to upper device

Jiri Pirko
2012-08-13T15:27:01Z

drivers/net/macvlan.c | 9 ++++++++-
1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/drivers/net/macvlan.c b/drivers/net/macvlan.c
index 66a9bfe..f5bd8a2 100644
--- a/drivers/net/macvlan.c
+++ b/drivers/net/macvlan.c
@@ -765,16 +765,22 @@ 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)
@@ -798,6 +804,7 @@ 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);

--
1.7.10.4