blob: 3d79642097748c0b89ad2ac4c3141ab601489fcb [file] [log] [blame]
Cedric Le Goateracce2922007-07-15 23:40:59 -07001/*
2 * This program is free software; you can redistribute it and/or
3 * modify it under the terms of the GNU General Public License as
4 * published by the Free Software Foundation, version 2 of the
5 * License.
6 */
7
8#include <linux/module.h>
9#include <linux/version.h>
10#include <linux/nsproxy.h>
11#include <linux/user_namespace.h>
12
13struct user_namespace init_user_ns = {
14 .kref = {
15 .refcount = ATOMIC_INIT(2),
16 },
17 .root_user = &root_user,
18};
19
20EXPORT_SYMBOL_GPL(init_user_ns);
21
22#ifdef CONFIG_USER_NS
23
24struct user_namespace * copy_user_ns(int flags, struct user_namespace *old_ns)
25{
26 struct user_namespace *new_ns;
27
28 BUG_ON(!old_ns);
29 get_user_ns(old_ns);
30
31 new_ns = old_ns;
32 return new_ns;
33}
34
35void free_user_ns(struct kref *kref)
36{
37 struct user_namespace *ns;
38
39 ns = container_of(kref, struct user_namespace, kref);
40 kfree(ns);
41}
42
43#endif /* CONFIG_USER_NS */