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wifi: mac80211: extend wiphy lock in interface removal

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We want to extend the wiphy locking to the interface list,
so move that into the section locked with the wiphy lock.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Johannes Berg 2023-08-28 13:59:59 +02:00
parent 7a53b71d8e
commit 332e68bc55
1 changed files with 2 additions and 1 deletions
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3
net/mac80211/iface.c
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@ -2274,6 +2274,8 @@ void ieee80211_remove_interfaces(struct ieee80211_local *local)
*/
cfg80211_shutdown_all_interfaces(local->hw.wiphy);
wiphy_lock(local->hw.wiphy);
WARN(local->open_count, "%s: open count remains %d\n",
wiphy_name(local->hw.wiphy), local->open_count);
@ -2283,7 +2285,6 @@ void ieee80211_remove_interfaces(struct ieee80211_local *local)
list_splice_init(&local->interfaces, &unreg_list);
mutex_unlock(&local->iflist_mtx);
wiphy_lock(local->hw.wiphy);
list_for_each_entry_safe(sdata, tmp, &unreg_list, list) {
bool netdev = sdata->dev;