mac80211: clean up get_tx_stats callback

The callback takes a ieee80211_tx_queue_stats with a contained
array of ieee80211_tx_queue_stats_data, remove the former, rename
the latter to ieee80211_tx_queue_stats and make tx_stats() take
the array directly.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/b43/dma.c b/drivers/net/wireless/b43/dma.c
index 6dcbb3c..f50e201 100644
--- a/drivers/net/wireless/b43/dma.c
+++ b/drivers/net/wireless/b43/dma.c
@@ -1427,18 +1427,16 @@
 {
 	const int nr_queues = dev->wl->hw->queues;
 	struct b43_dmaring *ring;
-	struct ieee80211_tx_queue_stats_data *data;
 	unsigned long flags;
 	int i;
 
 	for (i = 0; i < nr_queues; i++) {
-		data = &(stats->data[i]);
 		ring = select_ring_by_priority(dev, i);
 
 		spin_lock_irqsave(&ring->lock, flags);
-		data->len = ring->used_slots / SLOTS_PER_PACKET;
-		data->limit = ring->nr_slots / SLOTS_PER_PACKET;
-		data->count = ring->nr_tx_packets;
+		stats[i].len = ring->used_slots / SLOTS_PER_PACKET;
+		stats[i].limit = ring->nr_slots / SLOTS_PER_PACKET;
+		stats[i].count = ring->nr_tx_packets;
 		spin_unlock_irqrestore(&ring->lock, flags);
 	}
 }