mac80211: rate control status only for controlled packets

This patch changes mac80211 to not notify the rate control algorithm's
tx_status() method when reporting status for a packet that didn't go
through the rate control algorithm's get_rate() method.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/net/mac80211/rate.h b/net/mac80211/rate.h
index b9164c9..2ab5ad9 100644
--- a/net/mac80211/rate.h
+++ b/net/mac80211/rate.h
@@ -44,8 +44,10 @@
 	struct rate_control_ref *ref = local->rate_ctrl;
 	struct ieee80211_sta *ista = &sta->sta;
 	void *priv_sta = sta->rate_ctrl_priv;
+	struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
 
-	ref->ops->tx_status(ref->priv, sband, ista, priv_sta, skb);
+	if (likely(info->flags & IEEE80211_TX_INTFL_RCALGO))
+		ref->ops->tx_status(ref->priv, sband, ista, priv_sta, skb);
 }