diff options
| author | Johannes Berg <johannes.berg@intel.com> | 2023-08-28 13:59:31 +0200 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2023-09-11 11:27:18 +0200 |
| commit | e911a8192e29d7326e9062947ecd753c8572eb09 (patch) | |
| tree | 01d20f7c9a211e8ebcb5fa55c0234d320f7ffb87 | |
| parent | 0ab6cba0696da4c6dff6e047ef8aa6c9c0fadf13 (diff) | |
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>
| -rw-r--r-- | net/mac80211/debugfs_sta.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/net/mac80211/debugfs_sta.c b/net/mac80211/debugfs_sta.c index 5a97fb248c85..06e3613bf46b 100644 --- a/net/mac80211/debugfs_sta.c +++ b/net/mac80211/debugfs_sta.c @@ -5,7 +5,7 @@ * Copyright 2007 Johannes Berg <johannes@sipsolutions.net> * Copyright 2013-2014 Intel Mobile Communications GmbH * Copyright(c) 2016 Intel Deutschland GmbH - * Copyright (C) 2018 - 2022 Intel Corporation + * Copyright (C) 2018 - 2023 Intel Corporation */ #include <linux/debugfs.h> @@ -420,6 +420,7 @@ static ssize_t sta_agg_status_write(struct file *file, const char __user *userbu if (ret || tid >= IEEE80211_NUM_TIDS) return -EINVAL; + wiphy_lock(sta->local->hw.wiphy); if (tx) { if (start) ret = ieee80211_start_tx_ba_session(&sta->sta, tid, @@ -431,6 +432,7 @@ static ssize_t sta_agg_status_write(struct file *file, const char __user *userbu 3, true); ret = 0; } + wiphy_unlock(sta->local->hw.wiphy); return ret ?: count; } |