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

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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 <[email protected]>
Signed-off-by: Pablo Neira Ayuso <[email protected]>
This commit is contained in:
Gao Feng 2016-08-28 21:41:22 +08:00 • committed by Pablo Neira Ayuso
commit 3cb27991aa
1 changed files with 1 additions and 1 deletions
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2
net/ipv4/netfilter/nf_log_arp.c
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@ -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;