From 4857dca4dd65756dfdb90b33946d8f9d5c6447b8 Mon Sep 17 00:00:00 2001 From: Stephen Hemminger Date: Mon, 14 May 2018 15:32:10 -0700 Subject: [PATCH] hv_netvsc: only wake transmit queue if link is up [ Commit f4950e4586dfc957e0a28226eeb992ddc049b5a2 upstream. ] Don't wake transmit queues if link is not up yet. Signed-off-by: Stephen Hemminger Signed-off-by: David S. Miller Signed-off-by: Greg Kroah-Hartman --- 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 cc5bf95..40a45f1 100644 --- a/drivers/net/hyperv/netvsc_drv.c +++ b/drivers/net/hyperv/netvsc_drv.c @@ -88,12 +88,11 @@ 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 -- 2.7.4