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authorAndrei Otcheretianski <andrei.otcheretianski@intel.com>2018-09-05 08:06:13 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-11-10 07:42:41 -0800
commit1e97d6b1f751bdd377ff175e2d2e0ef892904d0e (patch)
tree27e08eb40f08a9a321edc981eb07129617b7eb45 /net/mac80211
parent7faa369673bd9198f2a512017dc94747b2a14c41 (diff)
mac80211: Always report TX status
[ Upstream commit 8682250b3c1b75a45feb7452bc413d004cfe3778 ] 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>
Diffstat (limited to 'net/mac80211')
-rw-r--r--net/mac80211/status.c7
1 files changed, 2 insertions, 5 deletions
diff --git a/net/mac80211/status.c b/net/mac80211/status.c
index 72fe9bc7a1f9..7892bac21eac 100644
--- a/net/mac80211/status.c
+++ b/net/mac80211/status.c
@@ -472,11 +472,6 @@ 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;
@@ -498,6 +493,8 @@ 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 */
skb_complete_wifi_ack(skb, acked);