From f18fd5512ed33f85b42175788a40ec7aaa357be3 Mon Sep 17 00:00:00 2001 From: Felix Fietkau Date: Mon, 12 Aug 2013 11:44:35 +0000 Subject: [PATCH] ar71xx: ethernet: skip calls to netdev_completed_queue and netif_wake_queue if no tx cleanup was done Signed-off-by: Felix Fietkau SVN-Revision: 37758 --- .../files/drivers/net/ethernet/atheros/ag71xx/ag71xx_main.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/target/linux/ar71xx/files/drivers/net/ethernet/atheros/ag71xx/ag71xx_main.c b/target/linux/ar71xx/files/drivers/net/ethernet/atheros/ag71xx/ag71xx_main.c index bdef8ba4ec9..8c62a4d2c95 100644 --- a/target/linux/ar71xx/files/drivers/net/ethernet/atheros/ag71xx/ag71xx_main.c +++ b/target/linux/ar71xx/files/drivers/net/ethernet/atheros/ag71xx/ag71xx_main.c @@ -847,6 +847,9 @@ static int ag71xx_tx_packets(struct ag71xx *ag) DBG("%s: %d packets sent out\n", ag->dev->name, sent); + if (!sent) + return; + netdev_completed_queue(ag->dev, sent, bytes_compl); if ((ring->curr - ring->dirty) < (ring->size * 3) / 4) netif_wake_queue(ag->dev); -- 2.30.2