mac80211: Always report TX status

[ Upstream commit 8682250b ]

If a frame is dropped for any reason, mac80211 wouldn't report the TX
status back to user space.

As the user space may rely on the TX_STATUS to kick its state
machines, resends etc, it's better to just report this frame as not
acked instead.
Signed-off-by: Andrei Otcheretianski <andrei.otcheretianski@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

net/mac80211/status.c

@@ -470,11 +470,6 @@ static void ieee80211_report_ack_skb(struct ieee80211_local *local,
 	if (!skb)
 		return;
 
-	if (dropped) {
-		dev_kfree_skb_any(skb);
-		return;
-	}
-
 	if (info->flags & IEEE80211_TX_INTFL_NL80211_FRAME_TX) {
 		u64 cookie = IEEE80211_SKB_CB(skb)->ack.cookie;
 		struct ieee80211_sub_if_data *sdata;
@@ -495,6 +490,8 @@ static void ieee80211_report_ack_skb(struct ieee80211_local *local,
 		}
 		rcu_read_unlock();
 
+		dev_kfree_skb_any(skb);
+	} else if (dropped) {
 		dev_kfree_skb_any(skb);
 	} else {
 		/* consumes skb */