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 <sthemmin@microsoft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/net/hyperv/netvsc_drv.c b/drivers/net/hyperv/netvsc_drv.c
index cc5bf9544d571d4f815f6fe471c8d66415090168..40a45f11550c7b2be7976f5dbcf5843929e38484 100644 (file)
--- 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