From mboxrd@z Thu Jan 1 00:00:00 1970 From: Amos Kong Subject: [PATCH] virtio_net: return error when there is no virtqueue or MQ isn't support Date: Mon, 21 Apr 2014 23:11:01 +0800 Message-ID: <1398093061-13444-1-git-send-email-akong@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Cc: netdev@vger.kernel.org, mst@redhat.com To: virtualization@lists.linux-foundation.org Return-path: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: virtualization-bounces@lists.linux-foundation.org Errors-To: virtualization-bounces@lists.linux-foundation.org List-Id: netdev.vger.kernel.org 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 --- 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