--- /dev/null
+--- a/drivers/net/wireless/ath/ath5k/base.c
++++ b/drivers/net/wireless/ath/ath5k/base.c
+@@ -1555,7 +1555,8 @@ ath5k_tx_queue(struct ieee80211_hw *hw,
+ goto drop_packet;
+ }
+
+- if (txq->txq_len >= txq->txq_max)
++ if (txq->txq_len >= txq->txq_max &&
++ txq->qnum <= AR5K_TX_QUEUE_ID_DATA_MAX)
+ ieee80211_stop_queue(hw, txq->qnum);
+
+ spin_lock_irqsave(&sc->txbuflock, flags);
+@@ -1931,6 +1932,10 @@ ath5k_beacon_send(struct ath5k_softc *sc
+ skb = ieee80211_get_buffered_bc(sc->hw, vif);
+ while (skb) {
+ ath5k_tx_queue(sc->hw, skb, sc->cabq);
++
++ if (sc->cabq->txq_len >= sc->cabq->txq_max)
++ break;
++
+ skb = ieee80211_get_buffered_bc(sc->hw, vif);
+ }
+