[PATCH] virtio_net: return error when there is no virtqueue or MQ isn't support
From: Amos Kong <hidden>
Date: 2014-04-21 15:11:01
Also in:
virtualization
Subsystem:
networking drivers, the rest, virtio net driver · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds, "Michael S. Tsirkin", Jason Wang
Currently ethtool returns zero if there is no virtqueue or MQ isn't support, we should return -ENOTSUPP to notice user. Signed-off-by: Amos Kong <redacted> --- drivers/net/virtio_net.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c
index 8a852b5..eaf8266 100644
--- a/drivers/net/virtio_net.c
+++ b/drivers/net/virtio_net.c@@ -1053,7 +1053,7 @@ static int virtnet_set_queues(struct virtnet_info *vi, u16 queue_pairs) struct net_device *dev = vi->dev; if (!vi->has_cvq || !virtio_has_feature(vi->vdev, VIRTIO_NET_F_MQ)) - return 0; + return -ENOTSUPP; s.virtqueue_pairs = queue_pairs; sg_init_one(&sg, &s, sizeof(s));
--
1.9.0