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authorFelix Fietkau <nbd@openwrt.org>2013-08-12 11:44:35 +0000
committerFelix Fietkau <nbd@openwrt.org>2013-08-12 11:44:35 +0000
commitf18fd5512ed33f85b42175788a40ec7aaa357be3 (patch)
treef7d12669ed6b3965468948f6d7fd078d38f0ac3c
parent81cfb9e5edc246a6fa9f3c85d31135675e2b7119 (diff)
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ar71xx: ethernet: skip calls to netdev_completed_queue and netif_wake_queue if no tx cleanup was done
Signed-off-by: Felix Fietkau <nbd@openwrt.org> SVN-Revision: 37758
-rw-r--r--target/linux/ar71xx/files/drivers/net/ethernet/atheros/ag71xx/ag71xx_main.c3
1 files changed, 3 insertions, 0 deletions
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);