mac80211: only allocate one queue when using iTXQs

There's no need to allocate than one queue in the iTXQs case
now that we no longer use ndo_select_queue to assign the AC.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c
index 6e1b031..94459b2 100644
--- a/net/mac80211/iface.c
+++ b/net/mac80211/iface.c
@@ -1763,13 +1763,13 @@
 			txq_size += sizeof(struct txq_info) +
 				    local->hw.txq_data_size;
 
-		if (local->ops->wake_tx_queue)
+		if (local->ops->wake_tx_queue) {
 			if_setup = ieee80211_if_setup_no_queue;
-		else
+		} else {
 			if_setup = ieee80211_if_setup;
-
-		if (local->hw.queues >= IEEE80211_NUM_ACS)
-			txqs = IEEE80211_NUM_ACS;
+			if (local->hw.queues >= IEEE80211_NUM_ACS)
+				txqs = IEEE80211_NUM_ACS;
+		}
 
 		ndev = alloc_netdev_mqs(size + txq_size,
 					name, name_assign_type,