63 files changed, 127 insertions, 258 deletions

diff --git a/net/mac80211/aead_api.c b/net/mac80211/aead_api.c
index 160f9df30402..c5fe95e49c68 100644
--- a/net/mac80211/aead_api.c
+++ b/net/mac80211/aead_api.c
@@ -1,13 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * Copyright 2003-2004, Instant802 Networks, Inc.
  * Copyright 2005-2006, Devicescape Software, Inc.
  * Copyright 2014-2015, Qualcomm Atheros, Inc.
  *
  * Rewrite: Copyright (C) 2013 Linaro Ltd <ard.biesheuvel@linaro.org>
- *
- * 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
- * published by the Free Software Foundation.
  */
 
 #include <linux/kernel.h>
diff --git a/net/mac80211/aead_api.h b/net/mac80211/aead_api.h
index 5e39ea843bbf..7d463b80926a 100644
--- a/net/mac80211/aead_api.h
+++ b/net/mac80211/aead_api.h
@@ -1,8 +1,4 @@
-/*
- * 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
- * published by the Free Software Foundation.
- */
+/* SPDX-License-Identifier: GPL-2.0-only */
 
 #ifndef _AEAD_API_H
 #define _AEAD_API_H
diff --git a/net/mac80211/aes_ccm.h b/net/mac80211/aes_ccm.h
index e9b7ca0bde5b..96256193cf49 100644
--- a/net/mac80211/aes_ccm.h
+++ b/net/mac80211/aes_ccm.h
@@ -1,10 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * Copyright 2003-2004, Instant802 Networks, Inc.
  * Copyright 2006, Devicescape Software, Inc.
- *
- * 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
- * published by the Free Software Foundation.
  */
 
 #ifndef AES_CCM_H
diff --git a/net/mac80211/aes_cmac.c b/net/mac80211/aes_cmac.c
index 2fb65588490c..57748cab0e28 100644
--- a/net/mac80211/aes_cmac.c
+++ b/net/mac80211/aes_cmac.c
@@ -1,10 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * AES-128-CMAC with TLen 16 for IEEE 802.11w BIP
  * Copyright 2008, Jouni Malinen <j@w1.fi>
- *
- * 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
- * published by the Free Software Foundation.
  */
 
 #include <linux/kernel.h>
diff --git a/net/mac80211/aes_cmac.h b/net/mac80211/aes_cmac.h
index fef531f42003..76817446fb83 100644
--- a/net/mac80211/aes_cmac.h
+++ b/net/mac80211/aes_cmac.h
@@ -1,9 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * Copyright 2008, Jouni Malinen <j@w1.fi>
- *
- * 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
- * published by the Free Software Foundation.
  */
 
 #ifndef AES_CMAC_H
diff --git a/net/mac80211/aes_gcm.h b/net/mac80211/aes_gcm.h
index d2b096033009..b14093b2f7a9 100644
--- a/net/mac80211/aes_gcm.h
+++ b/net/mac80211/aes_gcm.h
@@ -1,9 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * Copyright 2014-2015, Qualcomm Atheros, Inc.
- *
- * 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
- * published by the Free Software Foundation.
  */
 
 #ifndef AES_GCM_H
diff --git a/net/mac80211/aes_gmac.c b/net/mac80211/aes_gmac.c
index bd72a862ddb7..363ad1c1dc0c 100644
--- a/net/mac80211/aes_gmac.c
+++ b/net/mac80211/aes_gmac.c
@@ -1,10 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * AES-GMAC for IEEE 802.11 BIP-GMAC-128 and BIP-GMAC-256
  * Copyright 2015, Qualcomm Atheros, Inc.
- *
- * 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
- * published by the Free Software Foundation.
  */
 
 #include <linux/kernel.h>
diff --git a/net/mac80211/aes_gmac.h b/net/mac80211/aes_gmac.h
index 32e6442c95be..c739356bae2a 100644
--- a/net/mac80211/aes_gmac.h
+++ b/net/mac80211/aes_gmac.h
@@ -1,9 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * Copyright 2015, Qualcomm Atheros, Inc.
- *
- * 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
- * published by the Free Software Foundation.
  */
 
 #ifndef AES_GMAC_H
diff --git a/net/mac80211/agg-rx.c b/net/mac80211/agg-rx.c
index 6a4f154c99f6..01b0dad24500 100644
--- a/net/mac80211/agg-rx.c
+++ b/net/mac80211/agg-rx.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * HT handling
  *
@@ -9,10 +10,6 @@
  * 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
- * published by the Free Software Foundation.
  */
 
 /**
diff --git a/net/mac80211/agg-tx.c b/net/mac80211/agg-tx.c
index 2c4cd4183bf9..b11883d26875 100644
--- a/net/mac80211/agg-tx.c
+++ b/net/mac80211/agg-tx.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * HT handling
  *
@@ -9,10 +10,6 @@
  * Copyright 2007-2010, Intel Corporation
  * Copyright(c) 2015-2017 Intel Deutschland GmbH
  * Copyright (C) 2018 - 2019 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
- * published by the Free Software Foundation.
  */
 
 #include <linux/ieee80211.h>
diff --git a/net/mac80211/debugfs.c b/net/mac80211/debugfs.c
index 0d462206eef6..271bc2b676a4 100644
--- a/net/mac80211/debugfs.c
+++ b/net/mac80211/debugfs.c
@@ -1,12 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * mac80211 debugfs for wireless PHYs
  *
  * Copyright 2007       Johannes Berg <johannes@sipsolutions.net>
  * Copyright 2013-2014  Intel Mobile Communications GmbH
  * Copyright (C) 2018 - 2019 Intel Corporation
- *
- * GPLv2
- *
  */
 
 #include <linux/debugfs.h>
diff --git a/net/mac80211/debugfs_key.c b/net/mac80211/debugfs_key.c
index a2ef95f16f11..3509ce0daea3 100644
--- a/net/mac80211/debugfs_key.c
+++ b/net/mac80211/debugfs_key.c
@@ -1,12 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * Copyright 2003-2005  Devicescape Software, Inc.
  * Copyright (c) 2006   Jiri Benc <jbenc@suse.cz>
  * Copyright 2007       Johannes Berg <johannes@sipsolutions.net>
  * Copyright (C) 2015   Intel Deutschland GmbH
- *
- * 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
- * published by the Free Software Foundation.
  */
 
 #include <linux/kobject.h>
diff --git a/net/mac80211/debugfs_netdev.c b/net/mac80211/debugfs_netdev.c
index deb3faf08337..f1f2e1c7ac0c 100644
--- a/net/mac80211/debugfs_netdev.c
+++ b/net/mac80211/debugfs_netdev.c
@@ -1,10 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * Copyright (c) 2006   Jiri Benc <jbenc@suse.cz>
  * Copyright 2007       Johannes Berg <johannes@sipsolutions.net>
- *
- * 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
- * published by the Free Software Foundation.
  */
 
 #include <linux/kernel.h>
diff --git a/net/mac80211/debugfs_sta.c b/net/mac80211/debugfs_sta.c
index 8e921281e0d5..3fd79ccb293b 100644
--- a/net/mac80211/debugfs_sta.c
+++ b/net/mac80211/debugfs_sta.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * Copyright 2003-2005  Devicescape Software, Inc.
  * Copyright (c) 2006   Jiri Benc <jbenc@suse.cz>
@@ -5,10 +6,6 @@
  * Copyright 2013-2014  Intel Mobile Communications GmbH
  * Copyright(c) 2016 Intel Deutschland GmbH
  * Copyright (C) 2018 - 2019 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
- * published by the Free Software Foundation.
  */
 
 #include <linux/debugfs.h>
diff --git a/net/mac80211/driver-ops.c b/net/mac80211/driver-ops.c
index 839c0022a29c..acd4afb4944b 100644
--- a/net/mac80211/driver-ops.c
+++ b/net/mac80211/driver-ops.c
@@ -1,9 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * Copyright 2015 Intel Deutschland GmbH
- *
- * 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
- * published by the Free Software Foundation.
  */
 #include <net/mac80211.h>
 #include "ieee80211_i.h"
diff --git a/net/mac80211/fils_aead.c b/net/mac80211/fils_aead.c
index 3cfb1e2ab7ac..a13ae148937e 100644
--- a/net/mac80211/fils_aead.c
+++ b/net/mac80211/fils_aead.c
@@ -1,10 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * FILS AEAD for (Re)Association Request/Response frames
  * Copyright 2016, Qualcomm Atheros, Inc.
- *
- * 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
- * published by the Free Software Foundation.
  */
 
 #include <crypto/aes.h>
diff --git a/net/mac80211/fils_aead.h b/net/mac80211/fils_aead.h
index fbc65232f0b3..c868153f8720 100644
--- a/net/mac80211/fils_aead.h
+++ b/net/mac80211/fils_aead.h
@@ -1,10 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * FILS AEAD for (Re)Association Request/Response frames
  * Copyright 2016, Qualcomm Atheros, Inc.
- *
- * 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
- * published by the Free Software Foundation.
  */
 
 #ifndef FILS_AEAD_H
diff --git a/net/mac80211/he.c b/net/mac80211/he.c
index 769078ed5a12..219650591c79 100644
--- a/net/mac80211/he.c
+++ b/net/mac80211/he.c
@@ -1,11 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * HE handling
  *
  * Copyright(c) 2017 Intel Deutschland GmbH
- *
- * 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
- * published by the Free Software Foundation.
  */
 
 #include "ieee80211_i.h"
diff --git a/net/mac80211/ht.c b/net/mac80211/ht.c
index c62101857b9b..d5a500b2a448 100644
--- a/net/mac80211/ht.c
+++ b/net/mac80211/ht.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * HT handling
  *
@@ -8,10 +9,6 @@
  * Copyright 2007, Michael Wu <flamingice@sourmilk.net>
  * Copyright 2007-2010, Intel Corporation
  * Copyright 2017       Intel Deutschland GmbH
- *
- * 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
- * published by the Free Software Foundation.
  */
 
 #include <linux/ieee80211.h>
diff --git a/net/mac80211/ibss.c b/net/mac80211/ibss.c
index 4e4507115cf3..f00dca056295 100644
--- a/net/mac80211/ibss.c
+++ b/net/mac80211/ibss.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * IBSS mode implementation
  * Copyright 2003-2008, Jouni Malinen <j@w1.fi>
@@ -9,10 +10,6 @@
  * Copyright 2013-2014  Intel Mobile Communications GmbH
  * Copyright(c) 2016 Intel Deutschland GmbH
  * Copyright(c) 2018-2019 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
- * published by the Free Software Foundation.
  */
 
 #include <linux/delay.h>
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index 073a8235ae1b..6396d46a9a71 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * Copyright 2002-2005, Instant802 Networks, Inc.
  * Copyright 2005, Devicescape Software, Inc.
@@ -5,10 +6,6 @@
  * Copyright 2007-2010  Johannes Berg <johannes@sipsolutions.net>
  * Copyright 2013-2015  Intel Mobile Communications GmbH
  * Copyright (C) 2018-2019 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
- * published by the Free Software Foundation.
  */
 
 #ifndef IEEE80211_I_H
@@ -1435,7 +1432,7 @@ ieee80211_get_sband(struct ieee80211_sub_if_data *sdata)
         rcu_read_lock();
         chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
 
-        if (WARN_ON(!chanctx_conf)) {
+        if (WARN_ON_ONCE(!chanctx_conf)) {
                 rcu_read_unlock();
                 return NULL;
         }
@@ -2038,6 +2035,13 @@ void __ieee80211_flush_queues(struct ieee80211_local *local,
 static inline bool ieee80211_can_run_worker(struct ieee80211_local *local)
 {
         /*
+         * It's unsafe to try to do any work during reconfigure flow.
+         * When the flow ends the work will be requeued.
+         */
+        if (local->in_reconfig)
+                return false;
+
+        /*
          * If quiescing is set, we are racing with __ieee80211_suspend.
          * __ieee80211_suspend flushes the workers after setting quiescing,
          * and we check quiescing / suspended before enqueing new workers.
@@ -2225,6 +2229,9 @@ void ieee80211_tdls_cancel_channel_switch(struct wiphy *wiphy,
                                           const u8 *addr);
 void ieee80211_teardown_tdls_peers(struct ieee80211_sub_if_data *sdata);
 void ieee80211_tdls_chsw_work(struct work_struct *wk);
+void ieee80211_tdls_handle_disconnect(struct ieee80211_sub_if_data *sdata,
+                                      const u8 *peer, u16 reason);
+const char *ieee80211_get_reason_code_string(u16 reason_code);
 
 extern const struct ethtool_ops ieee80211_ethtool_ops;
 
diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c
index 410685d38c46..06aac0aaae64 100644
--- a/net/mac80211/iface.c
+++ b/net/mac80211/iface.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * Interface handling
  *
@@ -8,10 +9,6 @@
  * Copyright 2013-2014  Intel Mobile Communications GmbH
  * Copyright (c) 2016        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
- * published by the Free Software Foundation.
  */
 #include <linux/slab.h>
 #include <linux/kernel.h>
diff --git a/net/mac80211/key.c b/net/mac80211/key.c
index 20bf9db7a388..157ff5f890d2 100644
--- a/net/mac80211/key.c
+++ b/net/mac80211/key.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * Copyright 2002-2005, Instant802 Networks, Inc.
  * Copyright 2005-2006, Devicescape Software, Inc.
@@ -5,10 +6,6 @@
  * Copyright 2007-2008  Johannes Berg <johannes@sipsolutions.net>
  * Copyright 2013-2014  Intel Mobile Communications GmbH
  * Copyright 2015-2017  Intel Deutschland GmbH
- *
- * 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
- * published by the Free Software Foundation.
  */
 
 #include <linux/if_ether.h>
@@ -268,11 +265,9 @@ int ieee80211_set_tx_key(struct ieee80211_key *key)
 {
         struct sta_info *sta = key->sta;
         struct ieee80211_local *local = key->local;
-        struct ieee80211_key *old;
 
         assert_key_lock(local);
 
-        old = key_mtx_dereference(local, sta->ptk[sta->ptk_idx]);
         sta->ptk_idx = key->conf.keyidx;
         ieee80211_check_fast_xmit(sta);
 
diff --git a/net/mac80211/key.h b/net/mac80211/key.h
index f06fbd03d235..be118c39433f 100644
--- a/net/mac80211/key.h
+++ b/net/mac80211/key.h
@@ -1,10 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * Copyright 2002-2004, Instant802 Networks, Inc.
  * Copyright 2005, Devicescape Software, Inc.
- *
- * 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
- * published by the Free Software Foundation.
  */
 
 #ifndef IEEE80211_KEY_H
diff --git a/net/mac80211/led.c b/net/mac80211/led.c
index d6c66fc19716..b275c8853074 100644
--- a/net/mac80211/led.c
+++ b/net/mac80211/led.c
@@ -1,9 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * Copyright 2006, Johannes Berg <johannes@sipsolutions.net>
- *
- * 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
- * published by the Free Software Foundation.
  */
 
 /* just for IFNAMSIZ */
diff --git a/net/mac80211/led.h b/net/mac80211/led.h
index a7893a1ac98b..fb3aaa3c5606 100644
--- a/net/mac80211/led.h
+++ b/net/mac80211/led.h
@@ -1,9 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * Copyright 2006, Johannes Berg <johannes@sipsolutions.net>
- *
- * 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
- * published by the Free Software Foundation.
  */
 
 #include <linux/list.h>
diff --git a/net/mac80211/main.c b/net/mac80211/main.c
index 2b608044ae23..55583b71ffaf 100644
--- a/net/mac80211/main.c
+++ b/net/mac80211/main.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * Copyright 2002-2005, Instant802 Networks, Inc.
  * Copyright 2005-2006, Devicescape Software, Inc.
@@ -5,10 +6,6 @@
  * Copyright 2013-2014  Intel Mobile Communications GmbH
  * Copyright (C) 2017     Intel Deutschland GmbH
  * Copyright (C) 2018 - 2019 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
- * published by the Free Software Foundation.
  */
 
 #include <net/mac80211.h>
diff --git a/net/mac80211/mesh.c b/net/mac80211/mesh.c
index 766e5e5bab8a..2e7fa743c892 100644
--- a/net/mac80211/mesh.c
+++ b/net/mac80211/mesh.c
@@ -1,12 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * Copyright (c) 2008, 2009 open80211s Ltd.
  * Copyright (C) 2018 - 2019 Intel Corporation
  * Authors:    Luis Carlos Cobo <luisca@cozybit.com>
  *             Javier Cardona <javier@cozybit.com>
- *
- * 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
- * published by the Free Software Foundation.
  */
 
 #include <linux/slab.h>
@@ -929,6 +926,7 @@ void ieee80211_stop_mesh(struct ieee80211_sub_if_data *sdata)
 
         /* flush STAs and mpaths on this iface */
         sta_info_flush(sdata);
+        ieee80211_free_keys(sdata, true);
         mesh_path_flush_by_iface(sdata);
 
         /* stop the beacon */
@@ -1220,7 +1218,8 @@ int ieee80211_mesh_finish_csa(struct ieee80211_sub_if_data *sdata)
         ifmsh->chsw_ttl = 0;
 
         /* Remove the CSA and MCSP elements from the beacon */
-        tmp_csa_settings = rcu_dereference(ifmsh->csa);
+        tmp_csa_settings = rcu_dereference_protected(ifmsh->csa,
+                                            lockdep_is_held(&sdata->wdev.mtx));
         RCU_INIT_POINTER(ifmsh->csa, NULL);
         if (tmp_csa_settings)
                 kfree_rcu(tmp_csa_settings, rcu_head);
@@ -1242,6 +1241,8 @@ int ieee80211_mesh_csa_beacon(struct ieee80211_sub_if_data *sdata,
         struct mesh_csa_settings *tmp_csa_settings;
         int ret = 0;
 
+        lockdep_assert_held(&sdata->wdev.mtx);
+
         tmp_csa_settings = kmalloc(sizeof(*tmp_csa_settings),
                                    GFP_ATOMIC);
         if (!tmp_csa_settings)
diff --git a/net/mac80211/mesh.h b/net/mac80211/mesh.h
index 88535a2e62bc..94d57cce70da 100644
--- a/net/mac80211/mesh.h
+++ b/net/mac80211/mesh.h
@@ -1,11 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * Copyright (c) 2008, 2009 open80211s Ltd.
  * Authors:    Luis Carlos Cobo <luisca@cozybit.com>
  *             Javier Cardona <javier@cozybit.com>
- *
- * 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
- * published by the Free Software Foundation.
  */
 
 #ifndef IEEE80211S_H
diff --git a/net/mac80211/mesh_hwmp.c b/net/mac80211/mesh_hwmp.c
index bf8e13cd5fd1..68af62306385 100644
--- a/net/mac80211/mesh_hwmp.c
+++ b/net/mac80211/mesh_hwmp.c
@@ -1,11 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * Copyright (c) 2008, 2009 open80211s Ltd.
  * Copyright (C) 2019 Intel Corporation
  * Author:     Luis Carlos Cobo <luisca@cozybit.com>
- *
- * 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
- * published by the Free Software Foundation.
  */
 
 #include <linux/slab.h>
diff --git a/net/mac80211/mesh_pathtbl.c b/net/mac80211/mesh_pathtbl.c
index 796b069ad251..117519bf33d6 100644
--- a/net/mac80211/mesh_pathtbl.c
+++ b/net/mac80211/mesh_pathtbl.c
@@ -1,10 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * Copyright (c) 2008, 2009 open80211s Ltd.
  * Author:     Luis Carlos Cobo <luisca@cozybit.com>
- *
- * 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
- * published by the Free Software Foundation.
  */
 
 #include <linux/etherdevice.h>
diff --git a/net/mac80211/mesh_plink.c b/net/mac80211/mesh_plink.c
index 8afd0ece94c9..dd3aefd052a9 100644
--- a/net/mac80211/mesh_plink.c
+++ b/net/mac80211/mesh_plink.c
@@ -1,11 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * Copyright (c) 2008, 2009 open80211s Ltd.
  * Copyright (C) 2019 Intel Corporation
  * Author:     Luis Carlos Cobo <luisca@cozybit.com>
- *
- * 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
- * published by the Free Software Foundation.
  */
 #include <linux/gfp.h>
 #include <linux/kernel.h>
diff --git a/net/mac80211/mesh_ps.c b/net/mac80211/mesh_ps.c
index d8cd91424175..031e905f684a 100644
--- a/net/mac80211/mesh_ps.c
+++ b/net/mac80211/mesh_ps.c
@@ -1,10 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * Copyright 2012-2013, Marco Porsch <marco.porsch@s2005.tu-chemnitz.de>
  * Copyright 2012-2013, cozybit Inc.
- *
- * 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
- * published by the Free Software Foundation.
  */
 
 #include "mesh.h"
diff --git a/net/mac80211/mesh_sync.c b/net/mac80211/mesh_sync.c
index a435f094a82e..fde93de2b80a 100644
--- a/net/mac80211/mesh_sync.c
+++ b/net/mac80211/mesh_sync.c
@@ -1,11 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * Copyright 2011-2012, Pavel Zubarev <pavel.zubarev@gmail.com>
  * Copyright 2011-2012, Marco Porsch <marco.porsch@s2005.tu-chemnitz.de>
  * Copyright 2011-2012, cozybit Inc.
- *
- * 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
- * published by the Free Software Foundation.
  */
 
 #include "ieee80211_i.h"
diff --git a/net/mac80211/michael.c b/net/mac80211/michael.c
index 37e172701a63..a57502d9ffec 100644
--- a/net/mac80211/michael.c
+++ b/net/mac80211/michael.c
@@ -1,10 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * Michael MIC implementation - optimized for TKIP MIC operations
  * Copyright 2002-2003, Instant802 Networks, Inc.
- *
- * 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
- * published by the Free Software Foundation.
  */
 #include <linux/types.h>
 #include <linux/bitops.h>
diff --git a/net/mac80211/michael.h b/net/mac80211/michael.h
index 0e4886f881f1..a7fdb8e84615 100644
--- a/net/mac80211/michael.h
+++ b/net/mac80211/michael.h
@@ -1,10 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * Michael MIC implementation - optimized for TKIP MIC operations
  * Copyright 2002-2003, Instant802 Networks, Inc.
- *
- * 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
- * published by the Free Software Foundation.
  */
 
 #ifndef MICHAEL_H
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index b7a9fe3d5fcb..379d2ab6d327 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * BSS client mode implementation
  * Copyright 2003-2008, Jouni Malinen <j@w1.fi>
@@ -8,10 +9,6 @@
  * Copyright 2013-2014  Intel Mobile Communications GmbH
  * Copyright (C) 2015 - 2017 Intel Deutschland GmbH
  * Copyright (C) 2018 - 2019 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
- * published by the Free Software Foundation.
  */
 
 #include <linux/delay.h>
@@ -2963,7 +2960,7 @@ static void ieee80211_rx_mgmt_auth(struct ieee80211_sub_if_data *sdata,
 #define case_WLAN(type) \
         case WLAN_REASON_##type: return #type
 
-static const char *ieee80211_get_reason_code_string(u16 reason_code)
+const char *ieee80211_get_reason_code_string(u16 reason_code)
 {
         switch (reason_code) {
         case_WLAN(UNSPECIFIED);
@@ -3028,6 +3025,11 @@ static void ieee80211_rx_mgmt_deauth(struct ieee80211_sub_if_data *sdata,
         if (len < 24 + 2)
                 return;
 
+        if (!ether_addr_equal(mgmt->bssid, mgmt->sa)) {
+                ieee80211_tdls_handle_disconnect(sdata, mgmt->sa, reason_code);
+                return;
+        }
+
         if (ifmgd->associated &&
             ether_addr_equal(mgmt->bssid, ifmgd->associated->bssid)) {
                 const u8 *bssid = ifmgd->associated->bssid;
@@ -3077,6 +3079,11 @@ static void ieee80211_rx_mgmt_disassoc(struct ieee80211_sub_if_data *sdata,
 
         reason_code = le16_to_cpu(mgmt->u.disassoc.reason_code);
 
+        if (!ether_addr_equal(mgmt->bssid, mgmt->sa)) {
+                ieee80211_tdls_handle_disconnect(sdata, mgmt->sa, reason_code);
+                return;
+        }
+
         sdata_info(sdata, "disassociated from %pM (Reason: %u=%s)\n",
                    mgmt->sa, reason_code,
                    ieee80211_get_reason_code_string(reason_code));
diff --git a/net/mac80211/ocb.c b/net/mac80211/ocb.c
index d351dc1162be..7c1a735b9eee 100644
--- a/net/mac80211/ocb.c
+++ b/net/mac80211/ocb.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * OCB mode implementation
  *
@@ -5,10 +6,6 @@
  *            (c) 2014 Volkswagen Group Research
  * Author:    Rostislav Lisovy <rostislav.lisovy@fel.cvut.cz>
  * Funded by: Volkswagen Group Research
- *
- * 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
- * published by the Free Software Foundation.
  */
 
 #include <linux/delay.h>
diff --git a/net/mac80211/offchannel.c b/net/mac80211/offchannel.c
index 8ef4153cd299..6e5961d7f639 100644
--- a/net/mac80211/offchannel.c
+++ b/net/mac80211/offchannel.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * Off-channel operation helpers
  *
@@ -7,10 +8,6 @@
  * Copyright 2006-2007  Jiri Benc <jbenc@suse.cz>
  * Copyright 2007, Michael Wu <flamingice@sourmilk.net>
  * Copyright 2009       Johannes Berg <johannes@sipsolutions.net>
- *
- * 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
- * published by the Free Software Foundation.
  */
 #include <linux/export.h>
 #include <net/mac80211.h>
diff --git a/net/mac80211/rate.c b/net/mac80211/rate.c
index 76f303fda3ed..47ee36677c2b 100644
--- a/net/mac80211/rate.c
+++ b/net/mac80211/rate.c
@@ -1,12 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * Copyright 2002-2005, Instant802 Networks, Inc.
  * Copyright 2005-2006, Devicescape Software, Inc.
  * Copyright (c) 2006 Jiri Benc <jbenc@suse.cz>
  * Copyright 2017       Intel Deutschland GmbH
- *
- * 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
- * published by the Free Software Foundation.
  */
 
 #include <linux/kernel.h>
diff --git a/net/mac80211/rate.h b/net/mac80211/rate.h
index d59198191a79..5d5348bc41ec 100644
--- a/net/mac80211/rate.h
+++ b/net/mac80211/rate.h
@@ -1,11 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * Copyright 2002-2005, Instant802 Networks, Inc.
  * Copyright 2005, Devicescape Software, Inc.
  * Copyright (c) 2006 Jiri Benc <jbenc@suse.cz>
- *
- * 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
- * published by the Free Software Foundation.
  */
 
 #ifndef IEEE80211_RATE_H
diff --git a/net/mac80211/rc80211_minstrel.h b/net/mac80211/rc80211_minstrel.h
index 23ec953e3a24..3c96a853adbd 100644
--- a/net/mac80211/rc80211_minstrel.h
+++ b/net/mac80211/rc80211_minstrel.h
@@ -1,9 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * Copyright (C) 2008 Felix Fietkau <nbd@openwrt.org>
- *
- * 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
- * published by the Free Software Foundation.
  */
 
 #ifndef __RC_MINSTREL_H
diff --git a/net/mac80211/rc80211_minstrel_ht.c b/net/mac80211/rc80211_minstrel_ht.c
index 8b168724c5e7..298a1acb3ce5 100644
--- a/net/mac80211/rc80211_minstrel_ht.c
+++ b/net/mac80211/rc80211_minstrel_ht.c
@@ -1,9 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * Copyright (C) 2010-2013 Felix Fietkau <nbd@openwrt.org>
- *
- * 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
- * published by the Free Software Foundation.
  */
 #include <linux/netdevice.h>
 #include <linux/types.h>
@@ -998,8 +995,6 @@ minstrel_ht_update_rates(struct minstrel_priv *mp, struct minstrel_ht_sta *mi)
         }
 
         if (mp->hw->max_rates >= 2) {
-                /*
-                 * At least 2 tx rates supported, use max_prob_rate next */
                 minstrel_ht_set_rate(mp, mi, rates, i++, mi->max_prob_rate);
         }
 
diff --git a/net/mac80211/rc80211_minstrel_ht.h b/net/mac80211/rc80211_minstrel_ht.h
index f762e5ba7c2e..80296268c778 100644
--- a/net/mac80211/rc80211_minstrel_ht.h
+++ b/net/mac80211/rc80211_minstrel_ht.h
@@ -1,9 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * Copyright (C) 2010 Felix Fietkau <nbd@openwrt.org>
- *
- * 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
- * published by the Free Software Foundation.
  */
 
 #ifndef __RC_MINSTREL_HT_H
diff --git a/net/mac80211/rc80211_minstrel_ht_debugfs.c b/net/mac80211/rc80211_minstrel_ht_debugfs.c
index 31641d0b0f5c..5a6e9f3edc04 100644
--- a/net/mac80211/rc80211_minstrel_ht_debugfs.c
+++ b/net/mac80211/rc80211_minstrel_ht_debugfs.c
@@ -1,9 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * Copyright (C) 2010 Felix Fietkau <nbd@openwrt.org>
- *
- * 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
- * published by the Free Software Foundation.
  */
 #include <linux/netdevice.h>
 #include <linux/types.h>
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index 25577ede2986..3c1ab870fefe 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * Copyright 2002-2005, Instant802 Networks, Inc.
  * Copyright 2005-2006, Devicescape Software, Inc.
@@ -6,10 +7,6 @@
  * Copyright 2013-2014  Intel Mobile Communications GmbH
  * Copyright(c) 2015 - 2017 Intel Deutschland GmbH
  * Copyright (C) 2018-2019 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
- * published by the Free Software Foundation.
  */
 
 #include <linux/jiffies.h>
@@ -3831,6 +3828,8 @@ static bool ieee80211_accept_frame(struct ieee80211_rx_data *rx)
         case NL80211_IFTYPE_STATION:
                 if (!bssid && !sdata->u.mgd.use_4addr)
                         return false;
+                if (ieee80211_is_robust_mgmt_frame(skb) && !rx->sta)
+                        return false;
                 if (multicast)
                         return true;
                 return ether_addr_equal(sdata->vif.addr, hdr->addr1);
diff --git a/net/mac80211/scan.c b/net/mac80211/scan.c
index 0cf066700623..adf94ba1ed77 100644
--- a/net/mac80211/scan.c
+++ b/net/mac80211/scan.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * Scanning implementation
  *
@@ -9,10 +10,6 @@
  * Copyright 2013-2015  Intel Mobile Communications GmbH
  * Copyright 2016-2017  Intel Deutschland GmbH
  * Copyright (C) 2018-2019 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
- * published by the Free Software Foundation.
  */
 
 #include <linux/if_arp.h>
diff --git a/net/mac80211/spectmgmt.c b/net/mac80211/spectmgmt.c
index 3c644f14dd59..5fe2b645912f 100644
--- a/net/mac80211/spectmgmt.c
+++ b/net/mac80211/spectmgmt.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * spectrum management
  *
@@ -9,10 +10,6 @@
  * Copyright 2007-2008, Intel Corporation
  * Copyright 2008, Johannes Berg <johannes@sipsolutions.net>
  * 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
- * published by the Free Software Foundation.
  */
 
 #include <linux/ieee80211.h>
diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c
index a4932ee3595c..187f62a48b2b 100644
--- a/net/mac80211/sta_info.c
+++ b/net/mac80211/sta_info.c
@@ -1,13 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * Copyright 2002-2005, Instant802 Networks, Inc.
  * Copyright 2006-2007  Jiri Benc <jbenc@suse.cz>
  * Copyright 2013-2014  Intel Mobile Communications GmbH
  * 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
- * published by the Free Software Foundation.
  */
 
 #include <linux/module.h>
diff --git a/net/mac80211/sta_info.h b/net/mac80211/sta_info.h
index 71f7e4973329..3260d4234920 100644
--- a/net/mac80211/sta_info.h
+++ b/net/mac80211/sta_info.h
@@ -1,11 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * Copyright 2002-2005, Devicescape Software, Inc.
  * Copyright 2013-2014  Intel Mobile Communications GmbH
  * Copyright(c) 2015-2017 Intel Deutschland GmbH
- *
- * 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
- * published by the Free Software Foundation.
  */
 
 #ifndef STA_INFO_H
diff --git a/net/mac80211/status.c b/net/mac80211/status.c
index 5b9952b1caf3..a88e3bf17e9d 100644
--- a/net/mac80211/status.c
+++ b/net/mac80211/status.c
@@ -1,13 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * Copyright 2002-2005, Instant802 Networks, Inc.
  * Copyright 2005-2006, Devicescape Software, Inc.
  * Copyright 2006-2007  Jiri Benc <jbenc@suse.cz>
  * Copyright 2008-2010  Johannes Berg <johannes@sipsolutions.net>
  * Copyright 2013-2014  Intel Mobile Communications GmbH
- *
- * 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
- * published by the Free Software Foundation.
  */
 
 #include <linux/export.h>
diff --git a/net/mac80211/tdls.c b/net/mac80211/tdls.c
index ca97e1598c28..fca1f5477396 100644
--- a/net/mac80211/tdls.c
+++ b/net/mac80211/tdls.c
@@ -1993,3 +1993,26 @@ void ieee80211_tdls_chsw_work(struct work_struct *wk)
         }
         rtnl_unlock();
 }
+
+void ieee80211_tdls_handle_disconnect(struct ieee80211_sub_if_data *sdata,
+                                      const u8 *peer, u16 reason)
+{
+        struct ieee80211_sta *sta;
+
+        rcu_read_lock();
+        sta = ieee80211_find_sta(&sdata->vif, peer);
+        if (!sta || !sta->tdls) {
+                rcu_read_unlock();
+                return;
+        }
+        rcu_read_unlock();
+
+        tdls_dbg(sdata, "disconnected from TDLS peer %pM (Reason: %u=%s)\n",
+                 peer, reason,
+                 ieee80211_get_reason_code_string(reason));
+
+        ieee80211_tdls_oper_request(&sdata->vif, peer,
+                                    NL80211_TDLS_TEARDOWN,
+                                    WLAN_REASON_TDLS_TEARDOWN_UNREACHABLE,
+                                    GFP_ATOMIC);
+}
diff --git a/net/mac80211/tkip.c b/net/mac80211/tkip.c
index b3622823bad2..7914b8e3ce8c 100644
--- a/net/mac80211/tkip.c
+++ b/net/mac80211/tkip.c
@@ -1,11 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * Copyright 2002-2004, Instant802 Networks, Inc.
  * Copyright 2005, Devicescape Software, Inc.
  * Copyright (C) 2016 Intel Deutschland GmbH
- *
- * 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
- * published by the Free Software Foundation.
  */
 #include <linux/kernel.h>
 #include <linux/bitops.h>
diff --git a/net/mac80211/tkip.h b/net/mac80211/tkip.h
index a1bcbfbefe7c..676a7babdf5d 100644
--- a/net/mac80211/tkip.h
+++ b/net/mac80211/tkip.h
@@ -1,9 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * Copyright 2002-2004, Instant802 Networks, Inc.
- *
- * 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
- * published by the Free Software Foundation.
  */
 
 #ifndef TKIP_H
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index dd220b977025..f13eb2f61ccf 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * Copyright 2002-2005, Instant802 Networks, Inc.
  * Copyright 2005-2006, Devicescape Software, Inc.
@@ -6,11 +7,6 @@
  * Copyright 2013-2014  Intel Mobile Communications 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
- * published by the Free Software Foundation.
- *
- *
  * Transmit and frame generation functions.
  */
 
diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index cba4633cd6cf..1b224fa27367 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * Copyright 2002-2005, Instant802 Networks, Inc.
  * Copyright 2005-2006, Devicescape Software, Inc.
@@ -7,10 +8,6 @@
  * Copyright (C) 2015-2017      Intel Deutschland GmbH
  * Copyright (C) 2018-2019 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
- * published by the Free Software Foundation.
- *
  * utilities for mac80211
  */
 
@@ -2480,6 +2477,10 @@ int ieee80211_reconfig(struct ieee80211_local *local)
                 mutex_lock(&local->mtx);
                 ieee80211_start_next_roc(local);
                 mutex_unlock(&local->mtx);
+
+                /* Requeue all works */
+                list_for_each_entry(sdata, &local->interfaces, list)
+                        ieee80211_queue_work(&local->hw, &sdata->work);
         }
 
         ieee80211_wake_queues_by_reason(hw, IEEE80211_MAX_QUEUE_MAP,
@@ -3795,7 +3796,9 @@ int ieee80211_check_combinations(struct ieee80211_sub_if_data *sdata,
         }
 
         /* Always allow software iftypes */
-        if (local->hw.wiphy->software_iftypes & BIT(iftype)) {
+        if (local->hw.wiphy->software_iftypes & BIT(iftype) ||
+            (iftype == NL80211_IFTYPE_AP_VLAN &&
+             local->hw.wiphy->flags & WIPHY_FLAG_4ADDR_AP)) {
                 if (radar_detect)
                         return -EINVAL;
                 return 0;
diff --git a/net/mac80211/vht.c b/net/mac80211/vht.c
index 006d82e4a397..b20ff28d9f30 100644
--- a/net/mac80211/vht.c
+++ b/net/mac80211/vht.c
@@ -1,13 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * VHT handling
  *
  * Portions of this file
  * Copyright(c) 2015 - 2016 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
- * published by the Free Software Foundation.
  */
 
 #include <linux/ieee80211.h>
diff --git a/net/mac80211/wep.c b/net/mac80211/wep.c
index bfe9ed9f4c48..3d9e92867ef0 100644
--- a/net/mac80211/wep.c
+++ b/net/mac80211/wep.c
@@ -1,11 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * Software WEP encryption implementation
  * Copyright 2002, Jouni Malinen <jkmaline@cc.hut.fi>
  * Copyright 2003, Instant802 Networks, Inc.
- *
- * 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
- * published by the Free Software Foundation.
  */
 
 #include <linux/netdevice.h>
diff --git a/net/mac80211/wep.h b/net/mac80211/wep.h
index 9615749d1f65..866a6798c9ef 100644
--- a/net/mac80211/wep.h
+++ b/net/mac80211/wep.h
@@ -1,11 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * Software WEP encryption implementation
  * Copyright 2002, Jouni Malinen <jkmaline@cc.hut.fi>
  * Copyright 2003, Instant802 Networks, Inc.
- *
- * 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
- * published by the Free Software Foundation.
  */
 
 #ifndef WEP_H
diff --git a/net/mac80211/wme.c b/net/mac80211/wme.c
index 6a3187883c4b..72920d82928c 100644
--- a/net/mac80211/wme.c
+++ b/net/mac80211/wme.c
@@ -1,10 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * Copyright 2004, Instant802 Networks, Inc.
  * Copyright 2013-2014  Intel Mobile Communications GmbH
- *
- * 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
- * published by the Free Software Foundation.
  */
 
 #include <linux/netdevice.h>
diff --git a/net/mac80211/wme.h b/net/mac80211/wme.h
index b1b1439cb91b..2e3dec0b6087 100644
--- a/net/mac80211/wme.h
+++ b/net/mac80211/wme.h
@@ -1,10 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * Copyright 2004, Instant802 Networks, Inc.
  * Copyright 2005, Devicescape Software, Inc.
- *
- * 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
- * published by the Free Software Foundation.
  */
 
 #ifndef _WME_H
diff --git a/net/mac80211/wpa.c b/net/mac80211/wpa.c
index 58d0b258b684..a51c7909366e 100644
--- a/net/mac80211/wpa.c
+++ b/net/mac80211/wpa.c
@@ -1,11 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * Copyright 2002-2004, Instant802 Networks, Inc.
  * Copyright 2008, Jouni Malinen <j@w1.fi>
  * Copyright (C) 2016-2017 Intel Deutschland GmbH
- *
- * 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
- * published by the Free Software Foundation.
  */
 
 #include <linux/netdevice.h>
@@ -1175,7 +1172,7 @@ ieee80211_crypto_aes_gmac_decrypt(struct ieee80211_rx_data *rx)
         struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(skb);
         struct ieee80211_key *key = rx->key;
         struct ieee80211_mmie_16 *mmie;
-        u8 aad[GMAC_AAD_LEN], mic[GMAC_MIC_LEN], ipn[6], nonce[GMAC_NONCE_LEN];
+        u8 aad[GMAC_AAD_LEN], *mic, ipn[6], nonce[GMAC_NONCE_LEN];
         struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
 
         if (!ieee80211_is_mgmt(hdr->frame_control))
@@ -1206,13 +1203,18 @@ ieee80211_crypto_aes_gmac_decrypt(struct ieee80211_rx_data *rx)
                 memcpy(nonce, hdr->addr2, ETH_ALEN);
                 memcpy(nonce + ETH_ALEN, ipn, 6);
 
+                mic = kmalloc(GMAC_MIC_LEN, GFP_ATOMIC);
+                if (!mic)
+                        return RX_DROP_UNUSABLE;
                 if (ieee80211_aes_gmac(key->u.aes_gmac.tfm, aad, nonce,
                                        skb->data + 24, skb->len - 24,
                                        mic) < 0 ||
                     crypto_memneq(mic, mmie->mic, sizeof(mmie->mic))) {
                         key->u.aes_gmac.icverrors++;
+                        kfree(mic);
                         return RX_DROP_UNUSABLE;
                 }
+                kfree(mic);
         }
 
         memcpy(key->u.aes_gmac.rx_pn, ipn, 6);
diff --git a/net/mac80211/wpa.h b/net/mac80211/wpa.h
index d98011ee8f55..af3272284e85 100644
--- a/net/mac80211/wpa.h
+++ b/net/mac80211/wpa.h
@@ -1,9 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * Copyright 2002-2004, Instant802 Networks, Inc.
- *
- * 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
- * published by the Free Software Foundation.
  */
 
 #ifndef WPA_H