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Commit 40975962 authored by stephen hemminger's avatar stephen hemminger Committed by David S. Miller
Browse files

netvsc: use hv_get_bytes_to_read 



Don't need need to look at write space in netvsc_close.

Signed-off-by: default avatarStephen Hemminger <sthemmin@microsoft.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 60b86665

drivers/net/hyperv/netvsc_drv.c

+3 −7
Original line number Diff line number Diff line
@@ -120,7 +120,7 @@ static int netvsc_close(struct net_device *net) 
	struct net_device_context *net_device_ctx = netdev_priv(net);

	struct netvsc_device *nvdev = rtnl_dereference(net_device_ctx->nvdev);

	int ret;

	u32 aread, awrite, i, msec = 10, retry = 0, retry_max = 20;

	u32 aread, i, msec = 10, retry = 0, retry_max = 20;

	struct vmbus_channel *chn;



	netif_tx_disable(net);
@@ -141,15 +141,11 @@ static int netvsc_close(struct net_device *net) 
			if (!chn)

				continue;



			hv_get_ringbuffer_availbytes(&chn->inbound, &aread,

						     &awrite);



			aread = hv_get_bytes_to_read(&chn->inbound);

			if (aread)

				break;



			hv_get_ringbuffer_availbytes(&chn->outbound, &aread,

						     &awrite);



			aread = hv_get_bytes_to_read(&chn->outbound);

			if (aread)

				break;

		}