arptables: use arp_hdr_len()
use arp_hdr_len()
Signed-off-by: Changli Gao <xiaosuo@xxxxxxxxx>
----
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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