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