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netfilter: nf_ct_icmpv6: add icmpv6_kmemdup_sysctl_table function

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Split sysctl function into smaller chucks to cleanup code and prepare
patches to reduce ifdef pollution.

Signed-off-by: Gao feng <gaofeng@cn.fujitsu.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
This commit is contained in:
Gao feng 2012-06-21 04:36:50 +00:00 committed by Pablo Neira Ayuso
parent a9082b45ad
commit 8fc0278168
1 changed files with 13 additions and 4 deletions
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17
net/ipv6/netfilter/nf_conntrack_proto_icmpv6.c
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@ -333,22 +333,31 @@ static struct ctl_table icmpv6_sysctl_table[] = {
};
#endif /* CONFIG_SYSCTL */
static int icmpv6_init_net(struct net *net, u_int16_t proto)
static int icmpv6_kmemdup_sysctl_table(struct nf_proto_net *pn,
struct nf_icmp_net *in)
{
struct nf_icmp_net *in = icmpv6_pernet(net);
struct nf_proto_net *pn = (struct nf_proto_net *)in;
in->timeout = nf_ct_icmpv6_timeout;
#ifdef CONFIG_SYSCTL
pn->ctl_table = kmemdup(icmpv6_sysctl_table,
sizeof(icmpv6_sysctl_table),
GFP_KERNEL);
if (!pn->ctl_table)
return -ENOMEM;
pn->ctl_table[0].data = &in->timeout;
#endif
return 0;
}
static int icmpv6_init_net(struct net *net, u_int16_t proto)
{
struct nf_icmp_net *in = icmpv6_pernet(net);
struct nf_proto_net *pn = &in->pn;
in->timeout = nf_ct_icmpv6_timeout;
return icmpv6_kmemdup_sysctl_table(pn, in);
}
struct nf_conntrack_l4proto nf_conntrack_l4proto_icmpv6 __read_mostly =
{
.l3proto = PF_INET6,