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authorHaiyang Zhang2017-09-23 00:31:38 +0200
committerDavid S. Miller2017-09-26 05:20:51 +0200
commit6450f8f269a9271985e4a8c13920b7e4cf21c0f3 (patch)
tree7aec9cbc2d4067ea8c72464ef6ae89c7722f0558 /drivers/net/hyperv/netvsc_drv.c
parentMerge branch 'tun-NAPI-and-gro' (diff)
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hv_netvsc: Fix the real number of queues of non-vRSS cases
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: 8195b1396ec8 ("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>
Diffstat (limited to 'drivers/net/hyperv/netvsc_drv.c')
-rw-r--r--drivers/net/hyperv/netvsc_drv.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/net/hyperv/netvsc_drv.c b/drivers/net/hyperv/netvsc_drv.c
index a32ae02e1b6c..e9d54c9ee78c 100644
--- a/drivers/net/hyperv/netvsc_drv.c
+++ b/drivers/net/hyperv/netvsc_drv.c
@@ -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;