net: wan: wanxl: replace dev_kfree_skb_irq by dev_consume_skb_irq for drop profiles
authorYang Wei <yang.wei9@zte.com.cn>
Mon, 25 Feb 2019 15:01:50 +0000 (23:01 +0800)
committerDavid S. Miller <davem@davemloft.net>
Mon, 25 Feb 2019 22:36:15 +0000 (14:36 -0800)
dev_consume_skb_irq() should be called in wanxl_tx_intr() 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>
drivers/net/wan/wanxl.c

index 459ce52..10d5333 100644 (file)
@@ -185,7 +185,7 @@ static inline void wanxl_tx_intr(struct port *port)
                 desc->stat = PACKET_EMPTY; /* Free descriptor */
                pci_unmap_single(port->card->pdev, desc->address, skb->len,
                                 PCI_DMA_TODEVICE);
-               dev_kfree_skb_irq(skb);
+               dev_consume_skb_irq(skb);
                 port->tx_in = (port->tx_in + 1) % TX_BUFFERS;
         }
 }