net-sysfs: get_netdev_queue_index() cleanup

Remove one inline keyword, and no need for a loop to find
an index into a table.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

net/core/net-sysfs.c

@@ -996,15 +996,12 @@ static struct attribute_group dql_group = {
 #endif /* CONFIG_BQL */
 
 #ifdef CONFIG_XPS
-static inline unsigned int get_netdev_queue_index(struct netdev_queue *queue)
+static unsigned int get_netdev_queue_index(struct netdev_queue *queue)
 {
 	struct net_device *dev = queue->dev;
-	int i;
-
-	for (i = 0; i < dev->num_tx_queues; i++)
-		if (queue == &dev->_tx[i])
-			break;
+	unsigned int i;
 
+	i = queue - dev->_tx;
 	BUG_ON(i >= dev->num_tx_queues);
 
 	return i;