From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stephen Hemminger Subject: [PATCH net-next 2/6] netvsc: use hv_get_bytes_to_read Date: Thu, 8 Jun 2017 16:21:19 -0700 Message-ID: <20170608232123.28366-3-sthemmin@microsoft.com> References: <20170608232123.28366-1-sthemmin@microsoft.com> Cc: devel@linuxdriverproject.org, netdev@vger.kernel.org To: kys@microsoft.com, haiyangz@microsoft.com, sthemmin@microsoft.com Return-path: Received: from mail-pg0-f47.google.com ([74.125.83.47]:36239 "EHLO mail-pg0-f47.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751506AbdFHXVj (ORCPT ); Thu, 8 Jun 2017 19:21:39 -0400 Received: by mail-pg0-f47.google.com with SMTP id a70so20575640pge.3 for ; Thu, 08 Jun 2017 16:21:38 -0700 (PDT) In-Reply-To: <20170608232123.28366-1-sthemmin@microsoft.com> Sender: netdev-owner@vger.kernel.org List-ID: Don't need need to look at write space in netvsc_close. Signed-off-by: Stephen Hemminger --- 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 df6d8e28949e..436a3ad55cfd 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; } -- 2.11.0