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hv_netvsc: Fix the real number of queues of non-vRSS cases

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For older hosts without multi-channel (vRSS) support, and some error
cases, we still need to set the real number of queues to one.
This patch adds this missing setting.

Fixes: 8195b1396e ("hv_netvsc: fix deadlock on hotplug")
Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com>
Reviewed-by: Stephen Hemminger <sthemmin@microsoft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Haiyang Zhang 2017-09-22 15:31:38 -07:00 committed by David S. Miller
parent 070eb6e089
commit 6450f8f269
1 changed files with 6 additions and 0 deletions
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6
drivers/net/hyperv/netvsc_drv.c
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@ -1935,6 +1935,12 @@ static int netvsc_probe(struct hv_device *dev,
/* We always need headroom for rndis header */
net->needed_headroom = RNDIS_AND_PPI_SIZE;
/* Initialize the number of queues to be 1, we may change it if more
* channels are offered later.
*/
netif_set_real_num_tx_queues(net, 1);
netif_set_real_num_rx_queues(net, 1);
/* Notify the netvsc driver of the new device */
memset(&device_info, 0, sizeof(device_info));
device_info.ring_size = ring_size;