28 const void *kobject_namespace(struct kobject *kobj)  in kobject_namespace()  argument
30 	const struct kobj_ns_type_operations *ns_ops = kobj_ns_ops(kobj);  in kobject_namespace()
35 	return kobj->ktype->namespace(kobj);  in kobject_namespace()
48 void kobject_get_ownership(struct kobject *kobj, kuid_t *uid, kgid_t *gid)  in kobject_get_ownership()  argument
53 	if (kobj->ktype->get_ownership)  in kobject_get_ownership()
54 		kobj->ktype->get_ownership(kobj, uid, gid);  in kobject_get_ownership()
66 static int populate_dir(struct kobject *kobj)  in populate_dir()  argument
68 	struct kobj_type *t = get_ktype(kobj);  in populate_dir()
75 			error = sysfs_create_file(kobj, attr);  in populate_dir()
83 static int create_dir(struct kobject *kobj)  in create_dir()  argument
85 	const struct kobj_type *ktype = get_ktype(kobj);  in create_dir()
89 	error = sysfs_create_dir_ns(kobj, kobject_namespace(kobj));  in create_dir()
93 	error = populate_dir(kobj);  in create_dir()
95 		sysfs_remove_dir(kobj);  in create_dir()
100 		error = sysfs_create_groups(kobj, ktype->default_groups);  in create_dir()
102 			sysfs_remove_dir(kobj);  in create_dir()
111 	sysfs_get(kobj->sd);  in create_dir()
117 	ops = kobj_child_ns_ops(kobj);  in create_dir()
123 		sysfs_enable_ns(kobj->sd);  in create_dir()
129 static int get_kobj_path_length(struct kobject *kobj)  in get_kobj_path_length()  argument
132 	struct kobject *parent = kobj;  in get_kobj_path_length()
147 static void fill_kobj_path(struct kobject *kobj, char *path, int length)  in fill_kobj_path()  argument
152 	for (parent = kobj; parent; parent = parent->parent) {  in fill_kobj_path()
160 	pr_debug("kobject: '%s' (%p): %s: path = '%s'\n", kobject_name(kobj),  in fill_kobj_path()
161 		 kobj, __func__, path);  in fill_kobj_path()
171 char *kobject_get_path(struct kobject *kobj, gfp_t gfp_mask)  in kobject_get_path()  argument
176 	len = get_kobj_path_length(kobj);  in kobject_get_path()
182 	fill_kobj_path(kobj, path, len);  in kobject_get_path()
189 static void kobj_kset_join(struct kobject *kobj)  in kobj_kset_join()  argument
191 	if (!kobj->kset)  in kobj_kset_join()
194 	kset_get(kobj->kset);  in kobj_kset_join()
195 	spin_lock(&kobj->kset->list_lock);  in kobj_kset_join()
196 	list_add_tail(&kobj->entry, &kobj->kset->list);  in kobj_kset_join()
197 	spin_unlock(&kobj->kset->list_lock);  in kobj_kset_join()
201 static void kobj_kset_leave(struct kobject *kobj)  in kobj_kset_leave()  argument
203 	if (!kobj->kset)  in kobj_kset_leave()
206 	spin_lock(&kobj->kset->list_lock);  in kobj_kset_leave()
207 	list_del_init(&kobj->entry);  in kobj_kset_leave()
208 	spin_unlock(&kobj->kset->list_lock);  in kobj_kset_leave()
209 	kset_put(kobj->kset);  in kobj_kset_leave()
212 static void kobject_init_internal(struct kobject *kobj)  in kobject_init_internal()  argument
214 	if (!kobj)  in kobject_init_internal()
216 	kref_init(&kobj->kref);  in kobject_init_internal()
217 	INIT_LIST_HEAD(&kobj->entry);  in kobject_init_internal()
218 	kobj->state_in_sysfs = 0;  in kobject_init_internal()
219 	kobj->state_add_uevent_sent = 0;  in kobject_init_internal()
220 	kobj->state_remove_uevent_sent = 0;  in kobject_init_internal()
221 	kobj->state_initialized = 1;  in kobject_init_internal()
225 static int kobject_add_internal(struct kobject *kobj)  in kobject_add_internal()  argument
230 	if (!kobj)  in kobject_add_internal()
233 	if (!kobj->name || !kobj->name[0]) {  in kobject_add_internal()
236 		     kobj);  in kobject_add_internal()
240 	parent = kobject_get(kobj->parent);  in kobject_add_internal()
243 	if (kobj->kset) {  in kobject_add_internal()
245 			parent = kobject_get(&kobj->kset->kobj);  in kobject_add_internal()
246 		kobj_kset_join(kobj);  in kobject_add_internal()
247 		kobj->parent = parent;  in kobject_add_internal()
251 		 kobject_name(kobj), kobj, __func__,  in kobject_add_internal()
253 		 kobj->kset ? kobject_name(&kobj->kset->kobj) : "<NULL>");  in kobject_add_internal()
255 	error = create_dir(kobj);  in kobject_add_internal()
257 		kobj_kset_leave(kobj);  in kobject_add_internal()
259 		kobj->parent = NULL;  in kobject_add_internal()
264 			       __func__, kobject_name(kobj));  in kobject_add_internal()
267 			       __func__, kobject_name(kobj), error,  in kobject_add_internal()
270 		kobj->state_in_sysfs = 1;  in kobject_add_internal()
281 int kobject_set_name_vargs(struct kobject *kobj, const char *fmt,  in kobject_set_name_vargs()  argument
286 	if (kobj->name && !fmt)  in kobject_set_name_vargs()
309 	kfree_const(kobj->name);  in kobject_set_name_vargs()
310 	kobj->name = s;  in kobject_set_name_vargs()
324 int kobject_set_name(struct kobject *kobj, const char *fmt, ...)  in kobject_set_name()  argument
330 	retval = kobject_set_name_vargs(kobj, fmt, vargs);  in kobject_set_name()
349 void kobject_init(struct kobject *kobj, struct kobj_type *ktype)  in kobject_init()  argument
353 	if (!kobj) {  in kobject_init()
361 	if (kobj->state_initialized) {  in kobject_init()
364 		       kobj);  in kobject_init()
368 	kobject_init_internal(kobj);  in kobject_init()
369 	kobj->ktype = ktype;  in kobject_init()
373 	pr_err("kobject (%p): %s\n", kobj, err_str);  in kobject_init()
378 static __printf(3, 0) int kobject_add_varg(struct kobject *kobj,  in kobject_add_varg()  argument
384 	retval = kobject_set_name_vargs(kobj, fmt, vargs);  in kobject_add_varg()
389 	kobj->parent = parent;  in kobject_add_varg()
390 	return kobject_add_internal(kobj);  in kobject_add_varg()
426 int kobject_add(struct kobject *kobj, struct kobject *parent,  in kobject_add()  argument
432 	if (!kobj)  in kobject_add()
435 	if (!kobj->state_initialized) {  in kobject_add()
437 		       kobject_name(kobj), kobj);  in kobject_add()
442 	retval = kobject_add_varg(kobj, parent, fmt, args);  in kobject_add()
464 int kobject_init_and_add(struct kobject *kobj, struct kobj_type *ktype,  in kobject_init_and_add()  argument
470 	kobject_init(kobj, ktype);  in kobject_init_and_add()
473 	retval = kobject_add_varg(kobj, parent, fmt, args);  in kobject_init_and_add()
490 int kobject_rename(struct kobject *kobj, const char *new_name)  in kobject_rename()  argument
498 	kobj = kobject_get(kobj);  in kobject_rename()
499 	if (!kobj)  in kobject_rename()
501 	if (!kobj->parent) {  in kobject_rename()
502 		kobject_put(kobj);  in kobject_rename()
506 	devpath = kobject_get_path(kobj, GFP_KERNEL);  in kobject_rename()
526 	error = sysfs_rename_dir_ns(kobj, new_name, kobject_namespace(kobj));  in kobject_rename()
531 	dup_name = kobj->name;  in kobject_rename()
532 	kobj->name = name;  in kobject_rename()
537 	kobject_uevent_env(kobj, KOBJ_MOVE, envp);  in kobject_rename()
543 	kobject_put(kobj);  in kobject_rename()
554 int kobject_move(struct kobject *kobj, struct kobject *new_parent)  in kobject_move()  argument
562 	kobj = kobject_get(kobj);  in kobject_move()
563 	if (!kobj)  in kobject_move()
567 		if (kobj->kset)  in kobject_move()
568 			new_parent = kobject_get(&kobj->kset->kobj);  in kobject_move()
572 	devpath = kobject_get_path(kobj, GFP_KERNEL);  in kobject_move()
585 	error = sysfs_move_dir_ns(kobj, new_parent, kobject_namespace(kobj));  in kobject_move()
588 	old_parent = kobj->parent;  in kobject_move()
589 	kobj->parent = new_parent;  in kobject_move()
592 	kobject_uevent_env(kobj, KOBJ_MOVE, envp);  in kobject_move()
595 	kobject_put(kobj);  in kobject_move()
602 static void __kobject_del(struct kobject *kobj)  in __kobject_del()  argument
607 	sd = kobj->sd;  in __kobject_del()
608 	ktype = get_ktype(kobj);  in __kobject_del()
611 		sysfs_remove_groups(kobj, ktype->default_groups);  in __kobject_del()
614 	if (kobj->state_add_uevent_sent && !kobj->state_remove_uevent_sent) {  in __kobject_del()
616 			 kobject_name(kobj), kobj);  in __kobject_del()
617 		kobject_uevent(kobj, KOBJ_REMOVE);  in __kobject_del()
620 	sysfs_remove_dir(kobj);  in __kobject_del()
623 	kobj->state_in_sysfs = 0;  in __kobject_del()
624 	kobj_kset_leave(kobj);  in __kobject_del()
625 	kobj->parent = NULL;  in __kobject_del()
635 void kobject_del(struct kobject *kobj)  in kobject_del()  argument
639 	if (!kobj)  in kobject_del()
642 	parent = kobj->parent;  in kobject_del()
643 	__kobject_del(kobj);  in kobject_del()
652 struct kobject *kobject_get(struct kobject *kobj)  in kobject_get()  argument
654 	if (kobj) {  in kobject_get()
655 		if (!kobj->state_initialized)  in kobject_get()
658 			     kobject_name(kobj), kobj);  in kobject_get()
659 		kref_get(&kobj->kref);  in kobject_get()
661 	return kobj;  in kobject_get()
665 struct kobject * __must_check kobject_get_unless_zero(struct kobject *kobj)  in kobject_get_unless_zero()  argument
667 	if (!kobj)  in kobject_get_unless_zero()
669 	if (!kref_get_unless_zero(&kobj->kref))  in kobject_get_unless_zero()
670 		kobj = NULL;  in kobject_get_unless_zero()
671 	return kobj;  in kobject_get_unless_zero()
679 static void kobject_cleanup(struct kobject *kobj)  in kobject_cleanup()  argument
681 	struct kobject *parent = kobj->parent;  in kobject_cleanup()
682 	struct kobj_type *t = get_ktype(kobj);  in kobject_cleanup()
683 	const char *name = kobj->name;  in kobject_cleanup()
686 		 kobject_name(kobj), kobj, __func__, kobj->parent);  in kobject_cleanup()
690 			 kobject_name(kobj), kobj);  in kobject_cleanup()
693 	if (kobj->state_in_sysfs) {  in kobject_cleanup()
695 			 kobject_name(kobj), kobj);  in kobject_cleanup()
696 		__kobject_del(kobj);  in kobject_cleanup()
704 			 kobject_name(kobj), kobj);  in kobject_cleanup()
705 		t->release(kobj);  in kobject_cleanup()
727 	struct kobject *kobj = container_of(kref, struct kobject, kref);  in kobject_release()  local
731 		 kobject_name(kobj), kobj, __func__, kobj->parent, delay);  in kobject_release()
732 	INIT_DELAYED_WORK(&kobj->release, kobject_delayed_cleanup);  in kobject_release()
734 	schedule_delayed_work(&kobj->release, delay);  in kobject_release()
736 	kobject_cleanup(kobj);  in kobject_release()
746 void kobject_put(struct kobject *kobj)  in kobject_put()  argument
748 	if (kobj) {  in kobject_put()
749 		if (!kobj->state_initialized)  in kobject_put()
752 			     kobject_name(kobj), kobj);  in kobject_put()
753 		kref_put(&kobj->kref, kobject_release);  in kobject_put()
758 static void dynamic_kobj_release(struct kobject *kobj)  in dynamic_kobj_release()  argument
760 	pr_debug("kobject: (%p): %s\n", kobj, __func__);  in dynamic_kobj_release()
761 	kfree(kobj);  in dynamic_kobj_release()
782 	struct kobject *kobj;  in kobject_create()  local
784 	kobj = kzalloc(sizeof(*kobj), GFP_KERNEL);  in kobject_create()
785 	if (!kobj)  in kobject_create()
788 	kobject_init(kobj, &dynamic_kobj_ktype);  in kobject_create()
789 	return kobj;  in kobject_create()
807 	struct kobject *kobj;  in kobject_create_and_add()  local
810 	kobj = kobject_create();  in kobject_create_and_add()
811 	if (!kobj)  in kobject_create_and_add()
814 	retval = kobject_add(kobj, parent, "%s", name);  in kobject_create_and_add()
817 		kobject_put(kobj);  in kobject_create_and_add()
818 		kobj = NULL;  in kobject_create_and_add()
820 	return kobj;  in kobject_create_and_add()
830 	kobject_init_internal(&k->kobj);  in kset_init()
836 static ssize_t kobj_attr_show(struct kobject *kobj, struct attribute *attr,  in kobj_attr_show()  argument
844 		ret = kattr->show(kobj, kattr, buf);  in kobj_attr_show()
848 static ssize_t kobj_attr_store(struct kobject *kobj, struct attribute *attr,  in kobj_attr_store()  argument
856 		ret = kattr->store(kobj, kattr, buf, count);  in kobj_attr_store()
878 	err = kobject_add_internal(&k->kobj);  in kset_register()
881 	kobject_uevent(&k->kobj, KOBJ_ADD);  in kset_register()
894 	kobject_del(&k->kobj);  in kset_unregister()
895 	kobject_put(&k->kobj);  in kset_unregister()
927 static void kset_release(struct kobject *kobj)  in kset_release()  argument
929 	struct kset *kset = container_of(kobj, struct kset, kobj);  in kset_release()
931 		 kobject_name(kobj), kobj, __func__);  in kset_release()
935 static void kset_get_ownership(struct kobject *kobj, kuid_t *uid, kgid_t *gid)  in kset_get_ownership()  argument
937 	if (kobj->parent)  in kset_get_ownership()
938 		kobject_get_ownership(kobj->parent, uid, gid);  in kset_get_ownership()
972 	retval = kobject_set_name(&kset->kobj, "%s", name);  in kset_create()
978 	kset->kobj.parent = parent_kobj;  in kset_create()
985 	kset->kobj.ktype = &kset_ktype;  in kset_create()
986 	kset->kobj.kset = NULL;  in kset_create()
1077 const struct kobj_ns_type_operations *kobj_ns_ops(struct kobject *kobj)  in kobj_ns_ops()  argument
1079 	return kobj_child_ns_ops(kobj->parent);  in kobj_ns_ops()