netfilter: log_arp: Use ARPHRD_ETHER instead of literal '1'

There is one macro ARPHRD_ETHER which defines the ethernet proto for ARP,
so we could use it instead of the literal number '1'.

Signed-off-by: Gao Feng <fgao@ikuai8.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
This commit is contained in:
Gao Feng 2016-08-28 21:41:22 +08:00 committed by Pablo Neira Ayuso
parent ad66713f5a
commit 3cb27991aa

View File

@ -62,7 +62,7 @@ static void dump_arp_packet(struct nf_log_buf *m,
/* If it's for Ethernet and the lengths are OK, then log the ARP
* payload.
*/
if (ah->ar_hrd != htons(1) ||
if (ah->ar_hrd != htons(ARPHRD_ETHER) ||
ah->ar_hln != ETH_ALEN ||
ah->ar_pln != sizeof(__be32))
return;