From fb208dc73ff1667191ba26d87610bba983ea1535 Mon Sep 17 00:00:00 2001 From: Felix Fietkau Date: Sat, 27 Jan 2018 16:02:05 +0100 Subject: [PATCH] mt76: avoid re-queueing A-MPDU rx reorder work if no frames are pending Fixes: aee5b8cf2477 ("mt76: implement A-MPDU rx reordering in the driver code") Signed-off-by: Felix Fietkau Signed-off-by: Kalle Valo --- drivers/net/wireless/mediatek/mt76/agg-rx.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/drivers/net/wireless/mediatek/mt76/agg-rx.c b/drivers/net/wireless/mediatek/mt76/agg-rx.c index e9784b5..fcb208d 100644 --- a/drivers/net/wireless/mediatek/mt76/agg-rx.c +++ b/drivers/net/wireless/mediatek/mt76/agg-rx.c @@ -98,6 +98,7 @@ mt76_rx_aggr_reorder_work(struct work_struct *work) reorder_work.work); struct mt76_dev *dev = tid->dev; struct sk_buff_head frames; + int nframes; __skb_queue_head_init(&frames); @@ -105,9 +106,12 @@ mt76_rx_aggr_reorder_work(struct work_struct *work) spin_lock(&tid->lock); mt76_rx_aggr_check_release(tid, &frames); + nframes = tid->nframes; spin_unlock(&tid->lock); - ieee80211_queue_delayed_work(tid->dev->hw, &tid->reorder_work, REORDER_TIMEOUT); + if (nframes) + ieee80211_queue_delayed_work(tid->dev->hw, &tid->reorder_work, + REORDER_TIMEOUT); mt76_rx_complete(dev, &frames, -1); local_bh_enable(); -- 2.7.4