mac80211: use subqueue helpers

There are subqueue helpers so that we don't
need to get the TX queue and then wake/stop
it, use those helpers.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index cd2b485..ef686d3 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -284,7 +284,7 @@
 	if (skb_queue_empty(&local->pending[queue])) {
 		rcu_read_lock();
 		list_for_each_entry_rcu(sdata, &local->interfaces, list)
-			netif_tx_wake_queue(netdev_get_tx_queue(sdata->dev, queue));
+			netif_wake_subqueue(sdata->dev, queue);
 		rcu_read_unlock();
 	} else
 		tasklet_schedule(&local->tx_pending_tasklet);
@@ -323,7 +323,7 @@
 
 	rcu_read_lock();
 	list_for_each_entry_rcu(sdata, &local->interfaces, list)
-		netif_tx_stop_queue(netdev_get_tx_queue(sdata->dev, queue));
+		netif_stop_subqueue(sdata->dev, queue);
 	rcu_read_unlock();
 }