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Diffstat (limited to 'drivers/net/wireless/ath/carl9170/tx.c')
-rw-r--r--drivers/net/wireless/ath/carl9170/tx.c11
1 files changed, 7 insertions, 4 deletions
diff --git a/drivers/net/wireless/ath/carl9170/tx.c b/drivers/net/wireless/ath/carl9170/tx.c
index d20946939cd8..59472e1605cd 100644
--- a/drivers/net/wireless/ath/carl9170/tx.c
+++ b/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.
*/
}
}