[net-stable,11/24] hv_netvsc: only wake transmit queue if link is up

Message ID 20180514223223.25433-12-sthemmin@microsoft.com
State Not Applicable
Delegated to: David Miller
Headers show
Series
  • hv_netvsc patches for 4.14 stable
Related show

Commit Message

Stephen Hemminger May 14, 2018, 10:32 p.m.
From: Stephen Hemminger <stephen@networkplumber.org>

commit f4950e4586dfc957e0a28226eeb992ddc049b5a2 upstream

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

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

Patch

diff --git a/drivers/net/hyperv/netvsc_drv.c b/drivers/net/hyperv/netvsc_drv.c
index b48a673d526d..bcd74f01f04b 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