linux-kernel - [PATCH 5.15 082/177] mac80211: fix lookup when adding AddBA extension element

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Message-Id: <20211220143042.861542115@linuxfoundation.org>
Date:   Mon, 20 Dec 2021 15:33:52 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Johannes Berg <johannes.berg@...el.com>,
        Luca Coelho <luciano.coelho@...el.com>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.15 082/177] mac80211: fix lookup when adding AddBA extension element

From: Johannes Berg <johannes.berg@...el.com>

[ Upstream commit 511ab0c1dfb260a6b17b8771109e8d63474473a7 ]

We should be doing the HE capabilities lookup based on the full
interface type so if P2P doesn't have HE but client has it doesn't
get confused. Fix that.

Fixes: 2ab45876756f ("mac80211: add support for the ADDBA extension element")
Signed-off-by: Johannes Berg <johannes.berg@...el.com>
Signed-off-by: Luca Coelho <luciano.coelho@...el.com>
Link: https://lore.kernel.org/r/iwlwifi.20211129152938.010fc1d61137.If3a468145f29d670cb00a693bed559d8290ba693@changeid
Signed-off-by: Johannes Berg <johannes.berg@...el.com>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 net/mac80211/agg-rx.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/net/mac80211/agg-rx.c b/net/mac80211/agg-rx.c
index cce28e3b22323..ef729b1e39ea3 100644
--- a/net/mac80211/agg-rx.c
+++ b/net/mac80211/agg-rx.c
@@ -9,7 +9,7 @@
  * Copyright 2007, Michael Wu <flamingice@...rmilk.net>
  * Copyright 2007-2010, Intel Corporation
  * Copyright(c) 2015-2017 Intel Deutschland GmbH
- * Copyright (C) 2018-2020 Intel Corporation
+ * Copyright (C) 2018-2021 Intel Corporation
  */
 
 /**
@@ -191,7 +191,8 @@ static void ieee80211_add_addbaext(struct ieee80211_sub_if_data *sdata,
 	sband = ieee80211_get_sband(sdata);
 	if (!sband)
 		return;
-	he_cap = ieee80211_get_he_iftype_cap(sband, sdata->vif.type);
+	he_cap = ieee80211_get_he_iftype_cap(sband,
+					     ieee80211_vif_type_p2p(&sdata->vif));
 	if (!he_cap)
 		return;
 
-- 
2.33.0