netdev - [PATCH] ethernet: call __skb_pull() in eth_type

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Message-Id: <1272840617-17084-1-git-send-email-xiaosuo@gmail.com>
Date:	Mon,  3 May 2010 06:50:17 +0800
From:	Changli Gao <xiaosuo@...il.com>
To:	David Miller <davem@...emloft.net>
Cc:	eric.dumazet@...il.com, netdev@...r.kernel.org,
	Changli Gao <xiaosuo@...il.com>
Subject: [PATCH] ethernet: call __skb_pull() in eth_type_trans()

call __skb_pull() in eth_type_trans().

Since the callers of eth_type_trans() always feed it long enough packets,
we can use __skb_pull() to save some cycles.

Signed-off-by: Changli Gao <xiaosuo@...il.com>
----
 net/ethernet/eth.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/net/ethernet/eth.c b/net/ethernet/eth.c
index 61ec032..aacbaf7 100644
--- a/net/ethernet/eth.c
+++ b/net/ethernet/eth.c
@@ -162,7 +162,7 @@ __be16 eth_type_trans(struct sk_buff *skb, struct net_device *dev)
 
 	skb->dev = dev;
 	skb_reset_mac_header(skb);
-	skb_pull_inline(skb, ETH_HLEN);
+	__skb_pull(skb, ETH_HLEN);
 	eth = eth_hdr(skb);
 
 	if (unlikely(is_multicast_ether_addr(eth->h_dest))) {
--
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