4.19-stable review patch. If anyone has any objections, please let me know.
------------------
From: Felix Fietkau nbd@nbd.name
commit a317e65face482371de30246b6494feb093ff7f9 upstream.
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 Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org
--- net/mac80211/status.c | 2 ++ 1 file changed, 2 insertions(+)
--- a/net/mac80211/status.c +++ b/net/mac80211/status.c @@ -964,6 +964,8 @@ void ieee80211_tx_status_ext(struct ieee /* 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); }