38 	struct uts_namespace *ns;  in clone_uts_ns()  local
41 	ns = create_uts_ns();  in clone_uts_ns()
42 	if (!ns)  in clone_uts_ns()
45 	err = ns_alloc_inum(&ns->ns);  in clone_uts_ns()
47 		kfree(ns);  in clone_uts_ns()
51 	ns->ns.ops = &utsns_operations;  in clone_uts_ns()
54 	memcpy(&ns->name, &old_ns->name, sizeof(ns->name));  in clone_uts_ns()
55 	ns->user_ns = get_user_ns(user_ns);  in clone_uts_ns()
57 	return ns;  in clone_uts_ns()
85 	struct uts_namespace *ns;  in free_uts_ns()  local
87 	ns = container_of(kref, struct uts_namespace, kref);  in free_uts_ns()
88 	put_user_ns(ns->user_ns);  in free_uts_ns()
89 	ns_free_inum(&ns->ns);  in free_uts_ns()
90 	kfree(ns);  in free_uts_ns()
93 static inline struct uts_namespace *to_uts_ns(struct ns_common *ns)  in to_uts_ns()  argument
95 	return container_of(ns, struct uts_namespace, ns);  in to_uts_ns()
100 	struct uts_namespace *ns = NULL;  in utsns_get()  local
106 		ns = nsproxy->uts_ns;  in utsns_get()
107 		get_uts_ns(ns);  in utsns_get()
111 	return ns ? &ns->ns : NULL;  in utsns_get()
114 static void utsns_put(struct ns_common *ns)  in utsns_put()  argument
116 	put_uts_ns(to_uts_ns(ns));  in utsns_put()
121 	struct uts_namespace *ns = to_uts_ns(new);  in utsns_install()  local
123 	if (!ns_capable(ns->user_ns, CAP_SYS_ADMIN) ||  in utsns_install()
127 	get_uts_ns(ns);  in utsns_install()
129 	nsproxy->uts_ns = ns;  in utsns_install()