4.17-stable review patch. If anyone has any objections, please let me know.
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From: Stephen Hemminger stephen@networkplumber.org
[ Upstream commit 916c5e1413be058d1c1f6e502db350df890730ce ]
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 Signed-off-by: Sasha Levin alexander.levin@microsoft.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/net/hyperv/rndis_filter.c | 1 + 1 file changed, 1 insertion(+)
--- a/drivers/net/hyperv/rndis_filter.c +++ b/drivers/net/hyperv/rndis_filter.c @@ -1307,6 +1307,7 @@ out: /* 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);