From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Felix Fietkau , Johannes Berg Subject: [PATCH 4.4 89/91] mac80211: ignore tx status for PS stations in ieee80211_tx_status_ext Date: Tue, 11 Dec 2018 16:41:48 +0100 Message-Id: <20181211151614.178747372@linuxfoundation.org> In-Reply-To: <20181211151606.026852373@linuxfoundation.org> References: <20181211151606.026852373@linuxfoundation.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org List-ID: 4.4-stable review patch. If anyone has any objections, please let me know. ------------------ From: Felix Fietkau 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 Signed-off-by: Johannes Berg Signed-off-by: Greg Kroah-Hartman --- net/mac80211/status.c | 2 ++ 1 file changed, 2 insertions(+) --- a/net/mac80211/status.c +++ b/net/mac80211/status.c @@ -648,6 +648,8 @@ void ieee80211_tx_status_noskb(struct ie /* 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); }