net: sgi: replace dev_kfree_skb_irq by dev_consume_skb_irq for drop profiles

dev_consume_skb_irq() should be called 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/ethernet/sgi/ioc3-eth.c b/drivers/net/ethernet/sgi/ioc3-eth.c
index 3140999..358e66b 100644
--- a/drivers/net/ethernet/sgi/ioc3-eth.c
+++ b/drivers/net/ethernet/sgi/ioc3-eth.c
@@ -666,7 +666,7 @@
 		packets++;
 		skb = ip->tx_skbs[o_entry];
 		bytes += skb->len;
-		dev_kfree_skb_irq(skb);
+		dev_consume_skb_irq(skb);
 		ip->tx_skbs[o_entry] = NULL;
 
 		o_entry = (o_entry + 1) & 127;		/* Next */