From: Wei Yongjun <weiyongjun1@huawei.com>
Date: Thu, 31 May 2018 02:05:07 +0000
Subject: virtio_net: fix error return code in virtnet_probe()
Patch-mainline: v4.18-rc1
Git-commit: 4b8e6ac41a594ea67ded6af6af5935f03221ea4c
References: bsc#1109837

Fix to return a negative error code from the failover create fail error
handling case instead of 0, as done elsewhere in this function.

Fixes: ba5e4426e80e ("virtio_net: Extend virtio to use VF datapath when available")
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
 drivers/net/virtio_net.c |    4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

--- a/drivers/net/virtio_net.c
+++ b/drivers/net/virtio_net.c
@@ -2936,8 +2936,10 @@ static int virtnet_probe(struct virtio_d
 
 	if (virtio_has_feature(vdev, VIRTIO_NET_F_STANDBY)) {
 		vi->failover = net_failover_create(vi->dev);
-		if (IS_ERR(vi->failover))
+		if (IS_ERR(vi->failover)) {
+			err = PTR_ERR(vi->failover);
 			goto free_vqs;
+		}
 	}
 
 	err = register_netdev(dev);