Source

linux-pf / mac80211-2.6.29-fix-tx-ctl-no-ack-retry-count.patch

Full commit
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index b47435d..751934b 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -539,7 +539,8 @@ ieee80211_tx_h_rate_ctrl(struct ieee80211_tx_data *tx)
 	if (tx->sta)
 		tx->sta->last_tx_rate = txrc.reported_rate;
 
-	if (unlikely(!info->control.rates[0].count))
+	if (unlikely(!info->control.rates[0].count) ||
+	    info->flags & IEEE80211_TX_CTL_NO_ACK)
 		info->control.rates[0].count = 1;
 
 	if (is_multicast_ether_addr(hdr->addr1)) {