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net: macb: replace dev_kfree_skb_irq by dev_consume_skb_irq for drop profiles 

dev_consume_skb_irq() should be called in at91ether_interrupt() when
skb xmit done. It makes drop profiles(dropwatch, perf) more friendly.

Signed-off-by: Yang Wei <yang.wei9@zte.com.cn>
Reviewed-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Yang Wei 2019-02-13 00:00:02 +08:00 committed by David S. Miller
parent e78042eb6e
commit b9560a22a4
1 changed files with 1 additions and 1 deletions
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2
drivers/net/ethernet/cadence/macb_main.c
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@ -3763,7 +3763,7 @@ static irqreturn_t at91ether_interrupt(int irq, void *dev_id)
dev->stats.tx_errors++;
if (lp->skb) {
dev_kfree_skb_irq(lp->skb);
dev_consume_skb_irq(lp->skb);
lp->skb = NULL;
dma_unmap_single(&lp->pdev->dev, lp->skb_physaddr,
lp->skb_length, DMA_TO_DEVICE);