diff options
| -rw-r--r-- | drivers/net/virtio_net.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c index 7e1a98430190..a2fad99b06ad 100644 --- a/drivers/net/virtio_net.c +++ b/drivers/net/virtio_net.c @@ -3813,6 +3813,12 @@ static int virtnet_validate(struct virtio_device *vdev) __virtio_clear_bit(vdev, VIRTIO_NET_F_MTU); } + if (virtio_has_feature(vdev, VIRTIO_NET_F_STANDBY) && + !virtio_has_feature(vdev, VIRTIO_NET_F_MAC)) { + dev_warn(&vdev->dev, "device advertises feature VIRTIO_NET_F_STANDBY but not VIRTIO_NET_F_MAC, disabling standby"); + __virtio_clear_bit(vdev, VIRTIO_NET_F_STANDBY); + } + return 0; } |