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>
 
        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);