From 79ba55a36e64c9b69b2b41667c869f6587cc0be4 Mon Sep 17 00:00:00 2001
From: Shannon Nelson <snelson@pensando.io>
Date: Mon, 30 Nov 2020 16:25:46 -0800
Subject: [PATCH] ionic: change mtu after queues are stopped
Order of operations is slightly more correct in the driver
to change the netdev->mtu after the queues have been stopped
rather than before.
Signed-off-by: Shannon Nelson <snelson@pensando.io>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---
drivers/net/ethernet/pensando/ionic/ionic_lif.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/drivers/net/ethernet/pensando/ionic/ionic_lif.c b/drivers/net/ethernet/pensando/ionic/ionic_lif.c
index 0b7f2def423c3..11140915c2daf 100644
--- a/drivers/net/ethernet/pensando/ionic/ionic_lif.c
+++ b/drivers/net/ethernet/pensando/ionic/ionic_lif.c
@@ -1465,12 +1465,14 @@ static int ionic_change_mtu(struct net_device *netdev, int new_mtu)
if (err)
return err;
- netdev->mtu = new_mtu;
/* if we're not running, nothing more to do */
- if (!netif_running(netdev))
+ if (!netif_running(netdev)) {
+ netdev->mtu = new_mtu;
return 0;
+ }
ionic_stop_queues_reconfig(lif);
+ netdev->mtu = new_mtu;
return ionic_start_queues_reconfig(lif);
}