net: smsc: epic100: replace dev_kfree_skb_irq by dev_consume_skb_irq for drop profiles

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

Signed-off-by: Yang Wei <yang.wei9@zte.com.cn>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/smsc/epic100.c b/drivers/net/ethernet/smsc/epic100.c
index 15c62c1..be47d86 100644 (file)
--- a/drivers/net/ethernet/smsc/epic100.c
+++ b/drivers/net/ethernet/smsc/epic100.c
@@ -1037,7 +1037,7 @@ static void epic_tx(struct net_device *dev, struct epic_private *ep)
                skb = ep->tx_skbuff[entry];
                pci_unmap_single(ep->pci_dev, ep->tx_ring[entry].bufaddr,
                                 skb->len, PCI_DMA_TODEVICE);
-               dev_kfree_skb_irq(skb);
+               dev_consume_skb_irq(skb);
                ep->tx_skbuff[entry] = NULL;
        }