mac80211: ignore tx status for PS stations in ieee80211_tx_status_ext

Make it behave like regular ieee80211_tx_status calls, except for the lack of
filtered frame processing.
This fixes spurious low-ack triggered disconnections with powersave clients
connected to an AP.

Fixes: f027c2aca0cf4 ("mac80211: add ieee80211_tx_status_noskb")
Cc: stable@vger.kernel.org
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/net/mac80211/status.c b/net/mac80211/status.c
index aa4afbf0abaf..a794ca729000 100644
--- a/net/mac80211/status.c
+++ b/net/mac80211/status.c
@@ -964,6 +964,8 @@ void ieee80211_tx_status_ext(struct ieee80211_hw *hw,
                         /* Track when last TDLS packet was ACKed */
                         if (test_sta_flag(sta, WLAN_STA_TDLS_PEER_AUTH))
                                 sta->status_stats.last_tdls_pkt_time = jiffies;
+                } else if (test_sta_flag(sta, WLAN_STA_PS_STA)) {
+                        return;
                 } else {
                         ieee80211_lost_packet(sta, info);
                 }