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

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

View File

@@ -236,7 +236,7 @@ static void dn_dev_sysctl_register(struct net_device *dev, struct dn_dev_parms *
t->dn_dev_vars[0].extra1 = (void *)dev;
t->sysctl_header = register_sysctl_paths(dn_ctl_path, t->dn_dev_vars);
t->sysctl_header = register_net_sysctl_table(&init_net, dn_ctl_path, t->dn_dev_vars);
if (t->sysctl_header == NULL)
kfree(t);
else
@@ -248,7 +248,7 @@ static void dn_dev_sysctl_unregister(struct dn_dev_parms *parms)
if (parms->sysctl) {
struct dn_dev_sysctl_table *t = parms->sysctl;
parms->sysctl = NULL;
unregister_sysctl_table(t->sysctl_header);
unregister_net_sysctl_table(t->sysctl_header);
kfree(t);
}
}

View File

@@ -359,12 +359,12 @@ static struct ctl_path dn_path[] = {
void dn_register_sysctl(void)
{
dn_table_header = register_sysctl_paths(dn_path, dn_table);
dn_table_header = register_net_sysctl_table(&init_net, dn_path, dn_table);
}
void dn_unregister_sysctl(void)
{
unregister_sysctl_table(dn_table_header);
unregister_net_sysctl_table(dn_table_header);
}
#else /* CONFIG_SYSCTL */