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From: Stephen Hemminger <stephen@networkplumber•org>
To: kys@microsoft•com, haiyangz@microsoft•com, sthemmin@microsoft•com
Cc: devel@linuxdriverproject•org, netdev@vger•kernel.org
Subject: [PATCH net 2/9] hv_netvsc: only wake transmit queue if link is up
Date: Thu,  1 Mar 2018 10:27:49 -0800	[thread overview]
Message-ID: <20180301182756.23027-3-sthemmin@microsoft.com> (raw)
In-Reply-To: <20180301182756.23027-1-sthemmin@microsoft.com>

Don't wake transmit queues if link is not up yet.

Signed-off-by: Stephen Hemminger <sthemmin@microsoft•com>
---
 drivers/net/hyperv/netvsc_drv.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/drivers/net/hyperv/netvsc_drv.c b/drivers/net/hyperv/netvsc_drv.c
index c5584c2d440e..fa6cf18e7719 100644
--- a/drivers/net/hyperv/netvsc_drv.c
+++ b/drivers/net/hyperv/netvsc_drv.c
@@ -91,12 +91,11 @@ static int netvsc_open(struct net_device *net)
 		return ret;
 	}
 
-	netif_tx_wake_all_queues(net);
-
 	rdev = nvdev->extension;
-
-	if (!rdev->link_state)
+	if (!rdev->link_state) {
 		netif_carrier_on(net);
+		netif_tx_wake_all_queues(net);
+	}
 
 	if (vf_netdev) {
 		/* Setting synthetic device up transparently sets
-- 
2.16.1

  parent reply	other threads:[~2018-03-01 18:27 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-03-01 18:27 [PATCH net 0/9] hv_netvsc: minor bug fixes Stephen Hemminger
2018-03-01 18:27 ` [PATCH net 1/9] hv_netvsc: avoid retry on send during shutdown Stephen Hemminger
2018-03-01 18:27 ` Stephen Hemminger [this message]
2018-03-01 18:27 ` [PATCH net 3/9] hv_netvsc: fix error unwind handling if vmbus_open fails Stephen Hemminger
2018-03-01 18:27 ` [PATCH net 4/9] hv_netvsc: cancel subchannel setup before halting device Stephen Hemminger
2018-03-01 18:27 ` [PATCH net 5/9] hv_netvsc: fix race in napi poll when rescheduling Stephen Hemminger
2018-03-01 18:27 ` [PATCH net 6/9] hv_netvsc: use napi_schedule_irqoff Stephen Hemminger
2018-03-01 18:27 ` [PATCH net 7/9] hv_netvsc: don't need full irqsave for request_lock Stephen Hemminger
2018-03-01 18:27 ` [PATCH net 8/9] hv_netvsc: propagate rx filters to VF Stephen Hemminger
2018-03-01 21:56   ` Jakub Kicinski
2018-03-01 23:46   ` Stephen Hemminger
2018-03-01 18:27 ` [PATCH net 9/9] hv_netvsc: defer queue selection " Stephen Hemminger

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