#include <linux/nsproxy.h>
#include <linux/user_namespace.h>
-struct user_namespace init_user_ns = {
- .kref = {
- .refcount = ATOMIC_INIT(2),
- },
- .root_user = &root_user,
-};
-
-EXPORT_SYMBOL_GPL(init_user_ns);
-
-#ifdef CONFIG_USER_NS
-
/*
* Clone a new ns copying an original user ns, setting refcount to 1
* @old_ns: namespace to clone
ns = kmalloc(sizeof(struct user_namespace), GFP_KERNEL);
if (!ns)
- return NULL;
+ return ERR_PTR(-ENOMEM);
kref_init(&ns->kref);
for (n = 0; n < UIDHASH_SZ; ++n)
- INIT_LIST_HEAD(ns->uidhash_table + n);
+ INIT_HLIST_HEAD(ns->uidhash_table + n);
/* Insert new root user. */
ns->root_user = alloc_uid(ns, 0);
if (!ns->root_user) {
kfree(ns);
- return NULL;
+ return ERR_PTR(-ENOMEM);
}
/* Reset current->user with a new one */
if (!new_user) {
free_uid(ns->root_user);
kfree(ns);
- return NULL;
+ return ERR_PTR(-ENOMEM);
}
switch_uid(new_user);
struct user_namespace *ns;
ns = container_of(kref, struct user_namespace, kref);
+ release_uids(ns);
kfree(ns);
}
-
-#endif /* CONFIG_USER_NS */