mt76: when releasing PS frames, end the service period if no frame was found

Fixes a rare corner case if the txq dequeue attempt fails, but mac80211
still has PS buffered packets

Signed-off-by: Felix Fietkau <nbd@nbd.name>

diff --git a/drivers/net/wireless/mediatek/mt76/tx.c b/drivers/net/wireless/mediatek/mt76/tx.c
index fc7dffe..2585df5 100644 (file)
--- a/drivers/net/wireless/mediatek/mt76/tx.c
+++ b/drivers/net/wireless/mediatek/mt76/tx.c
@@ -377,7 +377,10 @@ mt76_release_buffered_frames(struct ieee80211_hw *hw, struct ieee80211_sta *sta,
        if (last_skb) {
                mt76_queue_ps_skb(dev, sta, last_skb, true);
                dev->queue_ops->kick(dev, hwq);
+       } else {
+               ieee80211_sta_eosp(sta);
        }
+
        spin_unlock_bh(&hwq->lock);
 }
 EXPORT_SYMBOL_GPL(mt76_release_buffered_frames);