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netfilter: nf_nat_snmp_basic: replace ctinfo with dir.

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The snmp_translate() receives ctinfo data to get dir value only.
because of caller already has dir value, we just replace ctinfo with dir.

Signed-off-by: Taehee Yoo <ap420073@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
This commit is contained in:
Taehee Yoo 2018-01-08 00:10:07 +09:00 committed by Pablo Neira Ayuso
parent e29e5ddca0
commit 8b8f0813b7
1 changed files with 2 additions and 5 deletions
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7
net/ipv4/netfilter/nf_nat_snmp_basic.c
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@ -1082,15 +1082,12 @@ static int snmp_parse_mangle(unsigned char *msg,
/*
* SNMP translation routine.
*/
static int snmp_translate(struct nf_conn *ct,
enum ip_conntrack_info ctinfo,
struct sk_buff *skb)
static int snmp_translate(struct nf_conn *ct, int dir, struct sk_buff *skb)
{
struct iphdr *iph = ip_hdr(skb);
struct udphdr *udph = (struct udphdr *)((__be32 *)iph + iph->ihl);
u_int16_t udplen = ntohs(udph->len);
u_int16_t paylen = udplen - sizeof(struct udphdr);
int dir = CTINFO2DIR(ctinfo);
struct oct1_map map;
/*
@ -1155,7 +1152,7 @@ static int help(struct sk_buff *skb, unsigned int protoff,
return NF_DROP;
spin_lock_bh(&snmp_lock);
ret = snmp_translate(ct, ctinfo, skb);
ret = snmp_translate(ct, dir, skb);
spin_unlock_bh(&snmp_lock);
return ret;
}