mac80211: Fix sending ADDBA response for an ongoing session

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>

diff --git a/net/mac80211/agg-rx.c b/net/mac80211/agg-rx.c
index d444752dbf40789cfb0d93d3d572b6bd04263671..d64303390913027dea1c98a34c9f48594f1b6ea0 100644 (file)
--- 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
@@ -315,9 +316,6 @@ void ___ieee80211_start_rx_ba_session(struct sta_info *sta,
                         * 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;
                }