From d4fc6918f4b3cc844185f59fc518351525950449 Mon Sep 17 00:00:00 2001 From: Jiri Pirko Date: Wed, 27 Jun 2012 05:27:46 +0000 Subject: [PATCH] virtio_net: allow to change mac when iface is running Signed-off-by: Jiri Pirko Signed-off-by: David S. Miller --- drivers/net/virtio_net.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c index f18149ae2588..36a16d581f71 100644 --- a/drivers/net/virtio_net.c +++ b/drivers/net/virtio_net.c @@ -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), -- 2.39.5