netdev - [PATCH] arptables: use arp_hdr

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Message-Id: <1279855273-8889-1-git-send-email-xiaosuo@gmail.com>
Date:	Fri, 23 Jul 2010 11:21:13 +0800
From:	Changli Gao <xiaosuo@...il.com>
To:	Patrick McHardy <kaber@...sh.net>
Cc:	"David S. Miller" <davem@...emloft.net>,
	netfilter-devel@...r.kernel.org, netdev@...r.kernel.org,
	Changli Gao <xiaosuo@...il.com>
Subject: [PATCH] arptables: use arp_hdr_len()

arptables: use arp_hdr_len()

use arp_hdr_len()

Signed-off-by: Changli Gao <xiaosuo@...il.com>
----
 net/ipv4/netfilter/arp_tables.c |    5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)
diff --git a/net/ipv4/netfilter/arp_tables.c b/net/ipv4/netfilter/arp_tables.c
index 16c0ba0..c868dd5 100644
--- a/net/ipv4/netfilter/arp_tables.c
+++ b/net/ipv4/netfilter/arp_tables.c
@@ -283,16 +283,13 @@ unsigned int arpt_do_table(struct sk_buff *skb,
 	arp = arp_hdr(skb);
 	do {
 		const struct arpt_entry_target *t;
-		int hdr_len;
 
 		if (!arp_packet_match(arp, skb->dev, indev, outdev, &e->arp)) {
 			e = arpt_next_entry(e);
 			continue;
 		}
 
-		hdr_len = sizeof(*arp) + (2 * sizeof(struct in_addr)) +
-			(2 * skb->dev->addr_len);
-		ADD_COUNTER(e->counters, hdr_len, 1);
+		ADD_COUNTER(e->counters, arp_hdr_len(skb->dev), 1);
 
 		t = arpt_get_target_c(e);
 
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