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authorDavid S. Miller <davem@davemloft.net>2016-12-06 21:33:19 -0500
committerDavid S. Miller <davem@davemloft.net>2016-12-06 21:33:19 -0500
commitc63d352f053a788281eb90df0a71cd3a6b2c4040 (patch)
treece0c6f0993100d3d8feda1d9d487dfba4abc5bd0 /drivers/net/virtio_net.c
parent862b3d2090ae3d8b10bb4ee9275fd932bc4d0d44 (diff)
parentbc3913a5378cd0ddefd1dfec6917cc12eb23a946 (diff)
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Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Diffstat (limited to 'drivers/net/virtio_net.c')
-rw-r--r--drivers/net/virtio_net.c19
1 files changed, 14 insertions, 5 deletions
diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c
index a21d93a54cef..b425fa1013af 100644
--- a/drivers/net/virtio_net.c
+++ b/drivers/net/virtio_net.c
@@ -969,12 +969,17 @@ 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;
+ struct sockaddr *addr;
struct scatterlist sg;
- ret = eth_prepare_mac_addr_change(dev, p);
+ addr = kmalloc(sizeof(*addr), GFP_KERNEL);
+ if (!addr)
+ return -ENOMEM;
+ memcpy(addr, p, sizeof(*addr));
+
+ ret = eth_prepare_mac_addr_change(dev, addr);
if (ret)
- return ret;
+ goto out;
if (virtio_has_feature(vdev, VIRTIO_NET_F_CTRL_MAC_ADDR)) {
sg_init_one(&sg, addr->sa_data, dev->addr_len);
@@ -982,7 +987,8 @@ static int virtnet_set_mac_address(struct net_device *dev, void *p)
VIRTIO_NET_CTRL_MAC_ADDR_SET, &sg)) {
dev_warn(&vdev->dev,
"Failed to set mac address by vq command.\n");
- return -EINVAL;
+ ret = -EINVAL;
+ goto out;
}
} else if (virtio_has_feature(vdev, VIRTIO_NET_F_MAC) &&
!virtio_has_feature(vdev, VIRTIO_F_VERSION_1)) {
@@ -996,8 +1002,11 @@ static int virtnet_set_mac_address(struct net_device *dev, void *p)
}
eth_commit_mac_addr_change(dev, p);
+ ret = 0;
- return 0;
+out:
+ kfree(addr);
+ return ret;
}
static struct rtnl_link_stats64 *virtnet_stats(struct net_device *dev,