diff --git a/[refs] b/[refs]
index 193ceb736ae1..4a1b1632b188 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: fd26981cf53ee91951a92fae53416e4ce639164c
+refs/heads/master: 94d55d62bd757611f07a9122e5e07ce929b8d38d
diff --git a/trunk/drivers/net/wireless/ath/carl9170/tx.c b/trunk/drivers/net/wireless/ath/carl9170/tx.c
index d20946939cd8..59472e1605cd 100644
--- a/trunk/drivers/net/wireless/ath/carl9170/tx.c
+++ b/trunk/drivers/net/wireless/ath/carl9170/tx.c
@@ -296,7 +296,8 @@ static void carl9170_tx_release(struct kref *ref)
 			super = (void *)skb->data;
 			txinfo->status.ampdu_len = super->s.rix;
 			txinfo->status.ampdu_ack_len = super->s.cnt;
-		} else if (txinfo->flags & IEEE80211_TX_STAT_ACK) {
+		} else if ((txinfo->flags & IEEE80211_TX_STAT_ACK) &&
+			   !(txinfo->flags & IEEE80211_TX_CTL_REQ_TX_STATUS)) {
 			/*
 			 * drop redundant tx_status reports:
 			 *
@@ -308,15 +309,17 @@ static void carl9170_tx_release(struct kref *ref)
 			 *
 			 * 3. minstrel_ht is picky, it only accepts
 			 *    reports of frames with the TX_STATUS_AMPDU flag.
+			 *
+			 * 4. mac80211 is not particularly interested in
+			 *    feedback either [CTL_REQ_TX_STATUS not set]
 			 */
 
 			dev_kfree_skb_any(skb);
 			return;
 		} else {
 			/*
-			 * Frame has failed, but we want to keep it in
-			 * case it was lost due to a power-state
-			 * transition.
+			 * Either the frame transmission has failed or
+			 * mac80211 requested tx status.
 			 */
 		}
 	}