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wifi: mac80211: don't re-add debugfs during reconfig

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[ Upstream commit 63bafd9d5421959b2124dd940ed8d7462d99f449 ]

If we're doing reconfig, then we cannot add the debugfs
files that are already there from before the reconfig.
Skip that in drv_change_sta_links() during reconfig.

Fixes: d2caad527c19 ("wifi: mac80211: add API to show the link STAs in debugfs")
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Reviewed-by: Gregory Greenman <gregory.greenman@intel.com>
Reviewed-by: Benjamin Berg <benjamin.berg@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://msgid.link/20231211085121.88a950f43e16.Id71181780994649219685887c0fcad33d387cc78@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Johannes Berg 2023-12-11 09:05:19 +02:00 committed by Greg Kroah-Hartman
parent b31a33ad4f
commit 35de90d7fa
1 changed files with 5 additions and 1 deletions
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6
net/mac80211/driver-ops.c
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@ -1,7 +1,7 @@
// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright 2015 Intel Deutschland GmbH
* Copyright (C) 2022 Intel Corporation
* Copyright (C) 2022-2023 Intel Corporation
*/
#include <net/mac80211.h>
#include "ieee80211_i.h"
@ -564,6 +564,10 @@ int drv_change_sta_links(struct ieee80211_local *local,
if (ret)
return ret;
/* during reconfig don't add it to debugfs again */
if (local->in_reconfig)
return 0;
for_each_set_bit(link_id, &links_to_add, IEEE80211_MLD_MAX_NUM_LINKS) {
link_sta = rcu_dereference_protected(info->link[link_id],
lockdep_is_held(&local->sta_mtx));