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wifi: mac80211: lock wiphy for aggregation debugfs
To change aggregation status may call into the driver, lock the wiphy for this. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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0ab6cba069
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1 changed files with 3 additions and 1 deletions
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@ -5,7 +5,7 @@
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* Copyright 2007 Johannes Berg <johannes@sipsolutions.net>
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* Copyright 2013-2014 Intel Mobile Communications GmbH
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* Copyright(c) 2016 Intel Deutschland GmbH
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* Copyright (C) 2018 - 2022 Intel Corporation
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* Copyright (C) 2018 - 2023 Intel Corporation
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*/
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#include <linux/debugfs.h>
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@ -420,6 +420,7 @@ static ssize_t sta_agg_status_write(struct file *file, const char __user *userbu
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if (ret || tid >= IEEE80211_NUM_TIDS)
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return -EINVAL;
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wiphy_lock(sta->local->hw.wiphy);
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if (tx) {
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if (start)
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ret = ieee80211_start_tx_ba_session(&sta->sta, tid,
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@ -431,6 +432,7 @@ static ssize_t sta_agg_status_write(struct file *file, const char __user *userbu
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3, true);
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ret = 0;
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}
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wiphy_unlock(sta->local->hw.wiphy);
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return ret ?: count;
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}
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