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Commit 0a282538 authored by Haiyang Zhang's avatar Haiyang Zhang Committed by David S. Miller
Browse files

net/hyperv: Use netif_tx_disable() instead of netif_stop_queue() when necessary 



For code path not on the xmit, use netif_tx_disable() instead of
netif_stop_queue() to ensure other CPUs are not doing xmit.

Signed-off-by: default avatarHaiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: default avatarK. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent cb0a178c

drivers/net/hyperv/netvsc_drv.c

+4 −4
Original line number Diff line number Diff line
@@ -123,7 +123,7 @@ static int netvsc_close(struct net_device *net) 
	struct hv_device *device_obj = net_device_ctx->device_ctx;

	int ret;



	netif_stop_queue(net);

	netif_tx_disable(net);



	ret = rndis_filter_close(device_obj);

	if (ret != 0)
@@ -256,7 +256,7 @@ void netvsc_linkstatus_callback(struct hv_device *device_obj, 
		schedule_delayed_work(&ndev_ctx->dwork, msecs_to_jiffies(20));

	} else {

		netif_carrier_off(net);

		netif_stop_queue(net);

		netif_tx_disable(net);

	}

}
@@ -337,7 +337,7 @@ static int netvsc_change_mtu(struct net_device *ndev, int mtu) 


	nvdev->start_remove = true;

	cancel_delayed_work_sync(&ndevctx->dwork);

	netif_stop_queue(ndev);

	netif_tx_disable(ndev);

	rndis_filter_device_remove(hdev);



	ndev->mtu = mtu;
@@ -460,7 +460,7 @@ static int netvsc_remove(struct hv_device *dev) 
	cancel_delayed_work_sync(&ndev_ctx->dwork);



	/* Stop outbound asap */

	netif_stop_queue(net);

	netif_tx_disable(net);



	unregister_netdev(net);