From 3b07029729e347f288c70227cfe3c66b085d6b0b Mon Sep 17 00:00:00 2001
From: Ilan Peer <ilan.peer@intel.com>
Date: Mon, 19 Feb 2018 14:48:43 +0200
Subject: [PATCH] mac80211: Fix sending ADDBA response for an ongoing session
Git-commit: 3b07029729e347f288c70227cfe3c66b085d6b0b
Patch-mainline: v4.16-rc3
References: bsc#1051510

In case an ADDBA request is received while there is already
an ongoing BA sessions with the same parameters, i.e., update
flow, an ADBBA response with decline status was sent twice. Fix it.

Signed-off-by: Ilan Peer <ilan.peer@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Acked-by: Takashi Iwai <tiwai@suse.de>

---
 net/mac80211/agg-rx.c |    4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

--- a/net/mac80211/agg-rx.c
+++ b/net/mac80211/agg-rx.c
@@ -8,6 +8,7 @@
  * Copyright 2007, Michael Wu <flamingice@sourmilk.net>
  * Copyright 2007-2010, Intel Corporation
  * Copyright(c) 2015-2017 Intel Deutschland GmbH
+ * Copyright (C) 2018        Intel Corporation
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 as
@@ -322,9 +323,6 @@ void __ieee80211_start_rx_ba_session(str
 			 * driver so reject the timeout update.
 			 */
 			status = WLAN_STATUS_REQUEST_DECLINED;
-			ieee80211_send_addba_resp(sta->sdata, sta->sta.addr,
-						  tid, dialog_token, status,
-						  1, buf_size, timeout);
 			goto end;
 		}