From 40975962788ef5b796ab0f36bfd7051064c915d3 Mon Sep 17 00:00:00 2001 From: stephen hemminger Date: Thu, 8 Jun 2017 16:21:19 -0700 Subject: [PATCH] netvsc: use hv_get_bytes_to_read Don't need need to look at write space in netvsc_close. Signed-off-by: Stephen Hemminger Signed-off-by: David S. Miller --- drivers/net/hyperv/netvsc_drv.c | 10 +++------- 1 file changed, 3 insertions(+), 7 deletions(-) diff --git a/drivers/net/hyperv/netvsc_drv.c b/drivers/net/hyperv/netvsc_drv.c index df6d8e2..436a3ad 100644 --- a/drivers/net/hyperv/netvsc_drv.c +++ b/drivers/net/hyperv/netvsc_drv.c @@ -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; } -- 2.7.4