Message ID | 4983e1bf8f5e707a67bf6b04a0cbdce359110f48.1695766375.git.objelf@gmail.com |
---|---|
State | New |
Headers | show |
Series | wifi: mt76: reduce spin_lock_bh held up in mt76_dma_rx_cleanup | expand |
diff --git a/drivers/net/wireless/mediatek/mt76/dma.c b/drivers/net/wireless/mediatek/mt76/dma.c index 643e18ebb5ee..5f31d4d6a640 100644 --- a/drivers/net/wireless/mediatek/mt76/dma.c +++ b/drivers/net/wireless/mediatek/mt76/dma.c @@ -739,16 +739,18 @@ mt76_dma_rx_cleanup(struct mt76_dev *dev, struct mt76_queue *q) if (!q->ndesc) return; - spin_lock_bh(&q->lock); - do { + spin_lock_bh(&q->lock); buf = mt76_dma_dequeue(dev, q, true, NULL, NULL, &more, NULL); + spin_unlock_bh(&q->lock); + if (!buf) break; mt76_put_page_pool_buf(buf, false); } while (1); + spin_lock_bh(&q->lock); if (q->rx_head) { dev_kfree_skb(q->rx_head); q->rx_head = NULL;