ionic: update the queue count on open

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

v2: added error checking

Fixes: 49d3b493 ("ionic: disable the queues on link down")
Signed-off-by: NShannon Nelson <snelson@pensando.io>
Reviewed-by: NJakub Kicinski <kuba@kernel.org>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

drivers/net/ethernet/pensando/ionic/ionic_lif.c

@@ -1673,6 +1673,14 @@ 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);