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net: Move all of the network sysctls without a namespace into init_net.

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This makes it clearer which sysctls are relative to your current network
namespace.

This makes it a little less error prone by not exposing sysctls for the
initial network namespace in other namespaces.

This is the same way we handle all of our other network interfaces to
userspace and I can't honestly remember why we didn't do this for
sysctls right from the start.

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 13:24:33 +00:00
committed by David S. Miller
parent 4344475797
commit 5dd3df105b
31 changed files with 60 additions and 58 deletions
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6
net/ipv6/netfilter/ip6_queue.c
View File

@@ -588,7 +588,7 @@ static int __init ip6_queue_init(void)
#endif
register_netdevice_notifier(&ipq_dev_notifier);
#ifdef CONFIG_SYSCTL
ipq_sysctl_header = register_sysctl_paths(net_ipv6_ctl_path, ipq_table);
ipq_sysctl_header = register_net_sysctl_table(&init_net, net_ipv6_ctl_path, ipq_table);
#endif
status = nf_register_queue_handler(NFPROTO_IPV6, &nfqh);
if (status < 0) {
@@ -599,7 +599,7 @@ static int __init ip6_queue_init(void)
cleanup_sysctl:
#ifdef CONFIG_SYSCTL
unregister_sysctl_table(ipq_sysctl_header);
unregister_net_sysctl_table(ipq_sysctl_header);
#endif
unregister_netdevice_notifier(&ipq_dev_notifier);
proc_net_remove(&init_net, IPQ_PROC_FS_NAME);
@@ -621,7 +621,7 @@ static void __exit ip6_queue_fini(void)
ipq_flush(NULL, 0);
#ifdef CONFIG_SYSCTL
unregister_sysctl_table(ipq_sysctl_header);
unregister_net_sysctl_table(ipq_sysctl_header);
#endif
unregister_netdevice_notifier(&ipq_dev_notifier);
proc_net_remove(&init_net, IPQ_PROC_FS_NAME);

4
net/ipv6/netfilter/nf_conntrack_reasm.c
View File

@@ -626,7 +626,7 @@ int nf_ct_frag6_init(void)
inet_frags_init(&nf_frags);
#ifdef CONFIG_SYSCTL
nf_ct_frag6_sysctl_header = register_sysctl_paths(nf_net_netfilter_sysctl_path,
nf_ct_frag6_sysctl_header = register_net_sysctl_table(&init_net, nf_net_netfilter_sysctl_path,
nf_ct_frag6_sysctl_table);
if (!nf_ct_frag6_sysctl_header) {
inet_frags_fini(&nf_frags);
@@ -640,7 +640,7 @@ int nf_ct_frag6_init(void)
void nf_ct_frag6_cleanup(void)
{
#ifdef CONFIG_SYSCTL
unregister_sysctl_table(nf_ct_frag6_sysctl_header);
unregister_net_sysctl_table(nf_ct_frag6_sysctl_header);
nf_ct_frag6_sysctl_header = NULL;
#endif
inet_frags_fini(&nf_frags);

2
net/ipv6/sysctl_net_ipv6.c
View File

@@ -165,7 +165,7 @@ static struct ctl_table_header *ip6_base;
int ipv6_static_sysctl_register(void)
{
ip6_base = register_sysctl_paths(net_ipv6_ctl_path, ipv6_static_skeleton);
ip6_base = register_net_sysctl_table(&init_net, net_ipv6_ctl_path, ipv6_static_skeleton);
if (ip6_base == NULL)
return -ENOMEM;
return 0;