Commit 608f7c47 authored by Felix Fietkau's avatar Felix Fietkau
Browse files

mt76: clear sta powersave flag after notifying driver 



If the driver has configured the hardware to drop packets for a sta that was
in powersave mode, then clearing the flag too early opens up a small race
window during which packets could be dropped on wakeup

Signed-off-by: default avatarFelix Fietkau <nbd@nbd.name>
parent 2c70627b

drivers/net/wireless/mediatek/mt76/mac80211.c

+4 −2
Original line number Diff line number Diff line
@@ -1163,10 +1163,12 @@ mt76_check_sta(struct mt76_dev *dev, struct sk_buff *skb) 


	if (ps)

		set_bit(MT_WCID_FLAG_PS, &wcid->flags);

	else

		clear_bit(MT_WCID_FLAG_PS, &wcid->flags);



	dev->drv->sta_ps(dev, sta, ps);



	if (!ps)

		clear_bit(MT_WCID_FLAG_PS, &wcid->flags);



	ieee80211_sta_ps_transition(sta, ps);

}