netfilter: conntrack: move sysctl pointer to net_generic infra

No need to keep this in struct net, place it in the net_generic data.
The sysctl pointer is removed from struct net in a followup patch.

Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
This commit is contained in:
Florian Westphal 2021-04-01 16:11:12 +02:00 committed by Pablo Neira Ayuso
parent 1d610d4d31
commit 7b5974709f
2 changed files with 9 additions and 4 deletions

View File

@ -47,6 +47,9 @@ struct nf_conntrack_net {
unsigned int users4;
unsigned int users6;
unsigned int users_bridge;
#ifdef CONFIG_SYSCTL
struct ctl_table_header *sysctl_header;
#endif
};
#include <linux/types.h>

View File

@ -1027,6 +1027,7 @@ static void nf_conntrack_standalone_init_gre_sysctl(struct net *net,
static int nf_conntrack_standalone_init_sysctl(struct net *net)
{
struct nf_conntrack_net *cnet = net_generic(net, nf_conntrack_net_id);
struct nf_udp_net *un = nf_udp_pernet(net);
struct ctl_table *table;
@ -1072,8 +1073,8 @@ static int nf_conntrack_standalone_init_sysctl(struct net *net)
table[NF_SYSCTL_CT_BUCKETS].mode = 0444;
}
net->ct.sysctl_header = register_net_sysctl(net, "net/netfilter", table);
if (!net->ct.sysctl_header)
cnet->sysctl_header = register_net_sysctl(net, "net/netfilter", table);
if (!cnet->sysctl_header)
goto out_unregister_netfilter;
return 0;
@ -1085,10 +1086,11 @@ out_unregister_netfilter:
static void nf_conntrack_standalone_fini_sysctl(struct net *net)
{
struct nf_conntrack_net *cnet = net_generic(net, nf_conntrack_net_id);
struct ctl_table *table;
table = net->ct.sysctl_header->ctl_table_arg;
unregister_net_sysctl_table(net->ct.sysctl_header);
table = cnet->sysctl_header->ctl_table_arg;
unregister_net_sysctl_table(cnet->sysctl_header);
kfree(table);
}
#else