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net ax25: Simplify and cleanup the ax25 sysctl handling.

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Don't register/unregister every ax25 table in a batch.  Instead register
and unregister per device ax25 sysctls as ax25 devices come and go.

This moves ax25 to be a completely modern sysctl user.  Registering the
sysctls in just the initial network namespace, removing the use of
.child entries that are no longer natively supported by the sysctl core
and taking advantage of the fact that there are no longer any ordering
constraints between registering and unregistering different sysctl
tables.

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 13:34:18 +00:00
committed by David S. Miller
parent 4e5ca78541
commit 0ca7a4c87d
4 changed files with 32 additions and 66 deletions
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2
net/ax25/af_ax25.c
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@@ -1990,7 +1990,6 @@ static int __init ax25_init(void)
sock_register(&ax25_family_ops);
dev_add_pack(&ax25_packet_type);
register_netdevice_notifier(&ax25_dev_notifier);
ax25_register_sysctl();
proc_net_fops_create(&init_net, "ax25_route", S_IRUGO, &ax25_route_fops);
proc_net_fops_create(&init_net, "ax25", S_IRUGO, &ax25_info_fops);
@@ -2015,7 +2014,6 @@ static void __exit ax25_exit(void)
ax25_uid_free();
ax25_dev_free();
ax25_unregister_sysctl();
unregister_netdevice_notifier(&ax25_dev_notifier);
dev_remove_pack(&ax25_packet_type);