net: wan: cosa: replace dev_kfree_skb_irq by dev_consume_skb_irq for drop profiles

Yang Wei · davem330 · commit 11dc98064c91 · 2019-02-25T14:36:15.000-08:00
dev_consume_skb_irq() should be called in cosa_net_tx_done() when skb
xmit done. It makes drop profiles(dropwatch, perf) more friendly.

Signed-off-by: Yang Wei &lt;yang.wei9@zte.com.cn&gt;
Signed-off-by: David S. Miller &lt;davem@davemloft.net&gt;
diff --git a/drivers/net/wan/cosa.c b/drivers/net/wan/cosa.c
@@ -769,7 +769,7 @@ static int cosa_net_tx_done(struct channel_data *chan, int size)
 		chan->netdev->stats.tx_aborted_errors++;
 		return 1;
 	}
-	dev_kfree_skb_irq(chan->tx_skb);
+	dev_consume_skb_irq(chan->tx_skb);
 	chan->tx_skb = NULL;
 	chan->netdev->stats.tx_packets++;
 	chan->netdev->stats.tx_bytes += size;

Original file line number	Diff line number	Diff line change
`@@ -769,7 +769,7 @@ static int cosa_net_tx_done(struct channel_data *chan, int size)`
`769`	`769`	`chan->netdev->stats.tx_aborted_errors++;`
`770`	`770`	`return 1;`
`771`	`771`	`}`
`772`		`- dev_kfree_skb_irq(chan->tx_skb);`
	`772`	`+ dev_consume_skb_irq(chan->tx_skb);`
`773`	`773`	`chan->tx_skb = NULL;`
`774`	`774`	`chan->netdev->stats.tx_packets++;`
`775`	`775`	`chan->netdev->stats.tx_bytes += size;`