netdev - [PATCH net] net: dscc4: replace dev_kfree_skb_irq by dev_consume_skb

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Message-Id: <1549382823-5298-1-git-send-email-albin_yang@163.com>
Date:   Wed,  6 Feb 2019 00:07:03 +0800
From:   Yang Wei <albin_yang@....com>
To:     netdev@...r.kernel.org
Cc:     romieu@...zoreil.com, davem@...emloft.net, yang.wei9@....com.cn,
        albin_yang@....com
Subject: [PATCH net] net: dscc4: replace dev_kfree_skb_irq by dev_consume_skb_irq for drop profiles

From: Yang Wei <yang.wei9@....com.cn>

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@....com.cn>
---
 drivers/net/wan/dscc4.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/wan/dscc4.c b/drivers/net/wan/dscc4.c
index c0b0f52..27decf8 100644
--- a/drivers/net/wan/dscc4.c
+++ b/drivers/net/wan/dscc4.c
@@ -1575,7 +1575,7 @@ static void dscc4_tx_irq(struct dscc4_pci_priv *ppriv,
 					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 {
-- 
2.7.4