From: Haiyang Zhang <[email protected]>
commit 6450f8f269a9271985e4a8c13920b7e4cf21c0f3 upstream.
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 <[email protected]>
Reviewed-by: Stephen Hemminger <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
---
drivers/net/hyperv/netvsc_drv.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/drivers/net/hyperv/netvsc_drv.c b/drivers/net/hyperv/netvsc_drv.c
index c849de3cb046..e40be71df9d6 100644
--- a/drivers/net/hyperv/netvsc_drv.c
+++ b/drivers/net/hyperv/netvsc_drv.c
@@ -1931,6 +1931,12 @@ 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;
--
2.17.0
