hv/netvsc: fix handling of fallback to single queue mode

The netvsc device may need to fallback to running in single queue
mode if host side only wants to support single queue.

Recent change for handling mtu broke this in setup logic.

Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Fixes: 3ffe64f1a641 ("hv_netvsc: split sub-channel setup into async and sync")
Signed-off-by: Stephen Hemminger <sthemmin@microsoft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/hyperv/rndis_filter.c b/drivers/net/hyperv/rndis_filter.c
index 9b4e3c3787e5d33ff200a9711b1373b765b6052e..408ece27131c4611a8600028831f10aa8b47ed60 100644 (file)
--- a/drivers/net/hyperv/rndis_filter.c
+++ b/drivers/net/hyperv/rndis_filter.c
@@ -1338,6 +1338,7 @@ struct netvsc_device *rndis_filter_device_add(struct hv_device *dev,
        /* setting up multiple channels failed */
        net_device->max_chn = 1;
        net_device->num_chn = 1;
+       return 0;
 
 err_dev_remv:
        rndis_filter_device_remove(dev, net_device);