From: Felix Fietkau Date: Mon, 12 Aug 2013 11:44:35 +0000 (+0000) Subject: ar71xx: ethernet: skip calls to netdev_completed_queue and netif_wake_queue if no... X-Git-Url: http://git.openwrt.org/?a=commitdiff_plain;h=f18fd5512ed33f85b42175788a40ec7aaa357be3;p=openwrt%2Fstaging%2Fyousong.git 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 --- 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 bdef8ba4ec..8c62a4d2c9 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);