From: Shannon Nelson <snelson@pensando.io>
Date: Thu, 25 Jun 2020 22:58:37 -0700
Subject: ionic: update the queue count on open
Patch-mainline: v5.8-rc5
Git-commit: fa48494cce5f6360b0f8683cdf258fb45c666287
References: bsc#1167773

Let the network stack know the real number of queues that
we are using.

v2: added error checking

Fixes: 49d3b493673a ("ionic: disable the queues on link down")
Signed-off-by: Shannon Nelson <snelson@pensando.io>
Reviewed-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
 drivers/net/ethernet/pensando/ionic/ionic_lif.c |    8 ++++++++
 1 file changed, 8 insertions(+)

--- a/drivers/net/ethernet/pensando/ionic/ionic_lif.c
+++ b/drivers/net/ethernet/pensando/ionic/ionic_lif.c
@@ -1648,6 +1648,14 @@ int ionic_open(struct net_device *netdev
 	if (err)
 		goto err_out;
 
+	err = netif_set_real_num_tx_queues(netdev, lif->nxqs);
+	if (err)
+		goto err_txrx_deinit;
+
+	err = netif_set_real_num_rx_queues(netdev, lif->nxqs);
+	if (err)
+		goto err_txrx_deinit;
+
 	/* don't start the queues until we have link */
 	if (netif_carrier_ok(netdev)) {
 		err = ionic_start_queues(lif);