diff --git a/drivers/net/wireless/ath9k/main.c b/drivers/net/wireless/ath9k/main.c
index b1b1e7f..839db231 100644
--- a/drivers/net/wireless/ath9k/main.c
+++ b/drivers/net/wireless/ath9k/main.c
@@ -412,7 +412,7 @@
 }
 
 void ath_tx_complete(struct ath_softc *sc, struct sk_buff *skb,
-		     struct ath_xmit_status *tx_status, struct ath_node *an)
+		     struct ath_xmit_status *tx_status)
 {
 	struct ieee80211_hw *hw = sc->hw;
 	struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
@@ -906,6 +906,7 @@
 	}
 
 	hw->queues = 4;
+	hw->sta_data_size = sizeof(struct ath_node);
 
 	/* Register rate control */
 	hw->rate_control_algorithm = "ath9k_rate_control";
@@ -1016,9 +1017,12 @@
 static int ath9k_tx(struct ieee80211_hw *hw,
 		    struct sk_buff *skb)
 {
-	struct ath_softc *sc = hw->priv;
-	int hdrlen, padsize;
 	struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
+	struct ath_softc *sc = hw->priv;
+	struct ath_tx_control txctl;
+	int hdrlen, padsize;
+
+	memset(&txctl, 0, sizeof(struct ath_tx_control));
 
 	/*
 	 * As a temporary workaround, assign seq# here; this will likely need
@@ -1043,18 +1047,25 @@
 		memmove(skb->data, skb->data + padsize, hdrlen);
 	}
 
+	/* Check if a tx queue is available */
+
+	txctl.txq = ath_test_get_txq(sc, skb);
+	if (!txctl.txq)
+		goto exit;
+
 	DPRINTF(sc, ATH_DBG_XMIT, "%s: transmitting packet, skb: %p\n",
 		__func__,
 		skb);
 
-	if (ath_tx_start(sc, skb) != 0) {
+	if (ath_tx_start(sc, skb, &txctl) != 0) {
 		DPRINTF(sc, ATH_DBG_XMIT, "%s: TX failed\n", __func__);
-		dev_kfree_skb_any(skb);
-		/* FIXME: Check for proper return value from ATH_DEV */
-		return 0;
+		goto exit;
 	}
 
 	return 0;
+exit:
+	dev_kfree_skb_any(skb);
+	return 0;
 }
 
 static void ath9k_stop(struct ieee80211_hw *hw)