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ar71xx: only access device stats in tx handler if packets were processed

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Signed-off-by: Felix Fietkau <nbd@nbd.name>
This commit is contained in:
Felix Fietkau 2017-12-05 14:23:59 +01:00
parent 890e7458b0
commit 31e6016d2e
1 changed files with 3 additions and 3 deletions
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6
target/linux/ar71xx/files/drivers/net/ethernet/atheros/ag71xx/ag71xx_main.c
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@ -999,12 +999,12 @@ static int ag71xx_tx_packets(struct ag71xx *ag, bool flush)
DBG("%s: %d packets sent out\n", ag->dev->name, sent);
ag->dev->stats.tx_bytes += bytes_compl;
ag->dev->stats.tx_packets += sent;
if (!sent)
return 0;
ag->dev->stats.tx_bytes += bytes_compl;
ag->dev->stats.tx_packets += sent;
netdev_completed_queue(ag->dev, sent, bytes_compl);
if ((ring->curr - ring->dirty) < (ring_size * 3) / 4)
netif_wake_queue(ag->dev);