net: dscc4: replace dev_kfree_skb_irq by dev_consume_skb_irq for drop profiles

dev_consume_skb_irq() should be called in dscc4_tx_irq() 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/wan/dscc4.c b/drivers/net/wan/dscc4.c
index c0b0f52..27decf8 100644 (file)
--- a/drivers/net/wan/dscc4.c
+++ b/drivers/net/wan/dscc4.c
@@ -1575,7 +1575,7 @@ try:
                                        dev->stats.tx_packets++;
                                        dev->stats.tx_bytes += skb->len;
                                }
-                               dev_kfree_skb_irq(skb);
+                               dev_consume_skb_irq(skb);
                                dpriv->tx_skbuff[cur] = NULL;
                                ++dpriv->tx_dirty;
                        } else {