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virtio_net: allow to change mac when iface is running 

Signed-off-by: Jiri Pirko <jpirko@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jiri Pirko 2012-06-27 05:27:46 +00:00 committed by David S. Miller
parent e9976d7c96
commit d4fc6918f4
1 changed files with 5 additions and 4 deletions
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9
drivers/net/virtio_net.c
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@ -679,11 +679,12 @@ static int virtnet_set_mac_address(struct net_device *dev, void *p)
{
struct virtnet_info *vi = netdev_priv(dev);
struct virtio_device *vdev = vi->vdev;
int ret;
struct sockaddr *addr = p;
ret = eth_mac_addr(dev, p);
if (ret)
return ret;
if (!is_valid_ether_addr(addr->sa_data))
return -EADDRNOTAVAIL;
memcpy(dev->dev_addr, addr->sa_data, ETH_ALEN);
dev->addr_assign_type &= ~NET_ADDR_RANDOM;
if (virtio_has_feature(vdev, VIRTIO_NET_F_MAC))
vdev->config->set(vdev, offsetof(struct virtio_net_config, mac),