static u8 __ieee80211_beacon_update_cntdwn(struct beacon_data *beacon)
{
	beacon->cntdwn_current_counter--;

	/* the counter should never reach 0 */
	WARN_ON_ONCE(!beacon->cntdwn_current_counter);

	return beacon->cntdwn_current_counter;
}
static u8 __ieee80211_beacon_update_cntdwn(struct beacon_data *beacon)
{
	beacon->cntdwn_current_counter--;

	 
	WARN_ON_ONCE(!beacon->cntdwn_current_counter);

	return beacon->cntdwn_current_counter;
}