void ieee80211_check_fast_xmit_iface(struct ieee80211_sub_if_data *sdata)
{
	struct ieee80211_local *local = sdata->local;
	struct sta_info *sta;

	rcu_read_lock();

	list_for_each_entry_rcu(sta, &local->sta_list, list) {
		if (sdata != sta->sdata &&
		    (!sta->sdata->bss || sta->sdata->bss != sdata->bss))
			continue;
		ieee80211_check_fast_xmit(sta);
	}

	rcu_read_unlock();
}
void ieee80211_check_fast_xmit_iface(struct ieee80211_sub_if_data *sdata)
{
	struct ieee80211_local *local = sdata->local;
	struct sta_info *sta;

	rcu_read_lock();

	list_for_each_entry_rcu(sta, &local->sta_list, list) {
		if (sdata != sta->sdata &&
		    (!sta->sdata->bss || sta->sdata->bss != sdata->bss))
			continue;
		ieee80211_check_fast_xmit(sta);
	}

	rcu_read_unlock();
}