net: fsl_ucc_hdlc: replace dev_kfree_skb_irq by dev_consume_skb_irq for drop profiles

dev_consume_skb_irq() should be called in hdlc_tx_done() 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/fsl_ucc_hdlc.c b/drivers/net/wan/fsl_ucc_hdlc.c
index 66d889d54e58ce7bd8f760a0b877c24320a70352..a08f04c3f64410c9ca8d78ff62802ac1c417be40 100644 (file)
--- a/drivers/net/wan/fsl_ucc_hdlc.c
+++ b/drivers/net/wan/fsl_ucc_hdlc.c
@@ -482,7 +482,7 @@ static int hdlc_tx_done(struct ucc_hdlc_private *priv)
                memset(priv->tx_buffer +
                       (be32_to_cpu(bd->buf) - priv->dma_tx_addr),
                       0, skb->len);
-               dev_kfree_skb_irq(skb);
+               dev_consume_skb_irq(skb);
 
                priv->tx_skbuff[priv->skb_dirtytx] = NULL;
                priv->skb_dirtytx =