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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>
This commit is contained in:
Yang Wei 2019-02-06 00:14:51 +08:00 committed by David S. Miller
parent c50e964b76
commit 7c3850adbc
1 changed files with 1 additions and 1 deletions
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2
drivers/net/wan/fsl_ucc_hdlc.c
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@ -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 =