diff options
Diffstat (limited to '')
| -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 0383a3e136d6..b1176be8fcfd 100644 --- a/drivers/net/virtio_net.c +++ b/drivers/net/virtio_net.c @@ -3658,6 +3658,9 @@ static int virtnet_send_rx_ctrl_coal_vq_cmd(struct virtnet_info *vi, { int err; + if (!virtio_has_feature(vi->vdev, VIRTIO_NET_F_VQ_NOTF_COAL)) + return -EOPNOTSUPP; + err = virtnet_send_ctrl_coal_vq_cmd(vi, rxq2vq(queue), max_usecs, max_packets); if (err) @@ -3675,6 +3678,9 @@ static int virtnet_send_tx_ctrl_coal_vq_cmd(struct virtnet_info *vi, { int err; + if (!virtio_has_feature(vi->vdev, VIRTIO_NET_F_VQ_NOTF_COAL)) + return -EOPNOTSUPP; + err = virtnet_send_ctrl_coal_vq_cmd(vi, txq2vq(queue), max_usecs, max_packets); if (err) |