cxgb4vf: Use netif_set_real_num_{rx, tx}_queues()

Signed-off-by: NBen Hutchings <bhutchings@solarflare.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

drivers/net/cxgb4vf/cxgb4vf_main.c

@@ -748,7 +748,10 @@ static int cxgb4vf_open(struct net_device *dev)
 	/*
 	 * Note that this interface is up and start everything up ...
 	 */
-	dev->real_num_tx_queues = pi->nqsets;
+	netif_set_real_num_tx_queues(dev, pi->nqsets);
+	err = netif_set_real_num_rx_queues(dev, pi->nqsets);
+	if (err)
+		return err;
 	set_bit(pi->port_id, &adapter->open_device_map);
 	link_start(dev);
 	netif_tx_start_all_queues(dev);