rtnl: allow to specify different num for rx and tx queue count

Also cut out unused function parameters and possible err in return
value.

Signed-off-by: Jiri Pirko <jiri@resnulli.us>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index 045db8a..db5a8ad 100644
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -1624,17 +1624,17 @@
 {
 	int err;
 	struct net_device *dev;
-	unsigned int num_queues = 1;
+	unsigned int num_tx_queues = 1;
+	unsigned int num_rx_queues = 1;
 
-	if (ops->get_tx_queues) {
-		err = ops->get_tx_queues(src_net, tb);
-		if (err < 0)
-			goto err;
-		num_queues = err;
-	}
+	if (ops->get_num_tx_queues)
+		num_tx_queues = ops->get_num_tx_queues();
+	if (ops->get_num_rx_queues)
+		num_rx_queues = ops->get_num_rx_queues();
 
 	err = -ENOMEM;
-	dev = alloc_netdev_mq(ops->priv_size, ifname, ops->setup, num_queues);
+	dev = alloc_netdev_mqs(ops->priv_size, ifname, ops->setup,
+			       num_tx_queues, num_rx_queues);
 	if (!dev)
 		goto err;