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

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[ Upstream commit 916c5e1413 ]

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: 3ffe64f1a6 ("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>
This commit is contained in:
Stephen Hemminger 2018-07-13 10:38:38 -07:00 committed by Greg Kroah-Hartman
parent dcedabcab0
commit 7b4ab0e651
1 changed files with 1 additions and 0 deletions
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1
drivers/net/hyperv/rndis_filter.c
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@ -1299,6 +1299,7 @@ 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);