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net ipv6: Don't use sysctl tables with .child entries. 

The sysctl core no longer natively understands sysctl tables
with .child entries.

Split the ipv6_table to remove the .child entries.

Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Acked-by: Pavel Emelyanov <xemul@parallels.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eric W. Biederman 2012-04-19 13:37:09 +00:00 committed by David S. Miller
parent 64fb301040
commit 6dceb03687
2 changed files with 26 additions and 25 deletions
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4
include/net/netns/ipv6.h
View File

@ -12,7 +12,9 @@ struct ctl_table_header;
struct netns_sysctl_ipv6 {
#ifdef CONFIG_SYSCTL
struct ctl_table_header *table;
struct ctl_table_header *hdr;
struct ctl_table_header *route_hdr;
struct ctl_table_header *icmp_hdr;
struct ctl_table_header *frags_hdr;
#endif
int bindv6only;

47
net/ipv6/sysctl_net_ipv6.c
View File

@ -17,18 +17,6 @@
#include <net/inet_frag.h>
static ctl_table ipv6_table_template[] = {
{
.procname = "route",
.maxlen = 0,
.mode = 0555,
.child = ipv6_route_table_template
},
{
.procname = "icmp",
.maxlen = 0,
.mode = 0555,
.child = ipv6_icmp_table_template
},
{
.procname = "bindv6only",
.data = &init_net.ipv6.sysctl.bindv6only,
@ -69,28 +57,37 @@ static int __net_init ipv6_sysctl_net_init(struct net *net)
GFP_KERNEL);
if (!ipv6_table)
goto out;
ipv6_table[0].data = &net->ipv6.sysctl.bindv6only;
ipv6_route_table = ipv6_route_sysctl_init(net);
if (!ipv6_route_table)
goto out_ipv6_table;
ipv6_table[0].child = ipv6_route_table;
ipv6_icmp_table = ipv6_icmp_sysctl_init(net);
if (!ipv6_icmp_table)
goto out_ipv6_route_table;
ipv6_table[1].child = ipv6_icmp_table;
ipv6_table[2].data = &net->ipv6.sysctl.bindv6only;
net->ipv6.sysctl.table = register_net_sysctl_table(net, net_ipv6_ctl_path,
ipv6_table);
if (!net->ipv6.sysctl.table)
net->ipv6.sysctl.hdr = register_net_sysctl(net, "net/ipv6", ipv6_table);
if (!net->ipv6.sysctl.hdr)
goto out_ipv6_icmp_table;
net->ipv6.sysctl.route_hdr =
register_net_sysctl(net, "net/ipv6/route", ipv6_route_table);
if (!net->ipv6.sysctl.route_hdr)
goto out_unregister_ipv6_table;
net->ipv6.sysctl.icmp_hdr =
register_net_sysctl(net, "net/ipv6/icmp", ipv6_icmp_table);
if (!net->ipv6.sysctl.icmp_hdr)
goto out_unregister_route_table;
err = 0;
out:
return err;
out_unregister_route_table:
unregister_net_sysctl_table(net->ipv6.sysctl.route_hdr);
out_unregister_ipv6_table:
unregister_net_sysctl_table(net->ipv6.sysctl.hdr);
out_ipv6_icmp_table:
kfree(ipv6_icmp_table);
out_ipv6_route_table:
@ -106,11 +103,13 @@ static void __net_exit ipv6_sysctl_net_exit(struct net *net)
struct ctl_table *ipv6_route_table;
struct ctl_table *ipv6_icmp_table;
ipv6_table = net->ipv6.sysctl.table->ctl_table_arg;
ipv6_route_table = ipv6_table[0].child;
ipv6_icmp_table = ipv6_table[1].child;
ipv6_table = net->ipv6.sysctl.hdr->ctl_table_arg;
ipv6_route_table = net->ipv6.sysctl.route_hdr->ctl_table_arg;
ipv6_icmp_table = net->ipv6.sysctl.icmp_hdr->ctl_table_arg;
unregister_net_sysctl_table(net->ipv6.sysctl.table);
unregister_net_sysctl_table(net->ipv6.sysctl.icmp_hdr);
unregister_net_sysctl_table(net->ipv6.sysctl.route_hdr);
unregister_net_sysctl_table(net->ipv6.sysctl.hdr);
kfree(ipv6_table);
kfree(ipv6_route_table);