30 const void *kobject_namespace(const struct kobject *kobj)  in kobject_namespace()  argument
32 	const struct kobj_ns_type_operations *ns_ops = kobj_ns_ops(kobj);  in kobject_namespace()
37 	return kobj->ktype->namespace(kobj);  in kobject_namespace()
50 void kobject_get_ownership(const struct kobject *kobj, kuid_t *uid, kgid_t *gid)  in kobject_get_ownership()  argument
55 	if (kobj->ktype->get_ownership)  in kobject_get_ownership()
56 		kobj->ktype->get_ownership(kobj, uid, gid);  in kobject_get_ownership()
67 static int create_dir(struct kobject *kobj)  in create_dir()  argument
69 	const struct kobj_type *ktype = get_ktype(kobj);  in create_dir()
73 	error = sysfs_create_dir_ns(kobj, kobject_namespace(kobj));  in create_dir()
77 	error = sysfs_create_groups(kobj, ktype->default_groups);  in create_dir()
79 		sysfs_remove_dir(kobj);  in create_dir()
87 	sysfs_get(kobj->sd);  in create_dir()
93 	ops = kobj_child_ns_ops(kobj);  in create_dir()
98 		sysfs_enable_ns(kobj->sd);  in create_dir()
104 static int get_kobj_path_length(const struct kobject *kobj)  in get_kobj_path_length()  argument
107 	const struct kobject *parent = kobj;  in get_kobj_path_length()
122 static int fill_kobj_path(const struct kobject *kobj, char *path, int length)  in fill_kobj_path()  argument
127 	for (parent = kobj; parent; parent = parent->parent) {  in fill_kobj_path()
137 	pr_debug("'%s' (%p): %s: path = '%s'\n", kobject_name(kobj),  in fill_kobj_path()
138 		 kobj, __func__, path);  in fill_kobj_path()
150 char *kobject_get_path(const struct kobject *kobj, gfp_t gfp_mask)  in kobject_get_path()  argument
156 	len = get_kobj_path_length(kobj);  in kobject_get_path()
162 	if (fill_kobj_path(kobj, path, len)) {  in kobject_get_path()
172 static void kobj_kset_join(struct kobject *kobj)  in kobj_kset_join()  argument
174 	if (!kobj->kset)  in kobj_kset_join()
177 	kset_get(kobj->kset);  in kobj_kset_join()
178 	spin_lock(&kobj->kset->list_lock);  in kobj_kset_join()
179 	list_add_tail(&kobj->entry, &kobj->kset->list);  in kobj_kset_join()
180 	spin_unlock(&kobj->kset->list_lock);  in kobj_kset_join()
184 static void kobj_kset_leave(struct kobject *kobj)  in kobj_kset_leave()  argument
186 	if (!kobj->kset)  in kobj_kset_leave()
189 	spin_lock(&kobj->kset->list_lock);  in kobj_kset_leave()
190 	list_del_init(&kobj->entry);  in kobj_kset_leave()
191 	spin_unlock(&kobj->kset->list_lock);  in kobj_kset_leave()
192 	kset_put(kobj->kset);  in kobj_kset_leave()
195 static void kobject_init_internal(struct kobject *kobj)  in kobject_init_internal()  argument
197 	if (!kobj)  in kobject_init_internal()
199 	kref_init(&kobj->kref);  in kobject_init_internal()
200 	INIT_LIST_HEAD(&kobj->entry);  in kobject_init_internal()
201 	kobj->state_in_sysfs = 0;  in kobject_init_internal()
202 	kobj->state_add_uevent_sent = 0;  in kobject_init_internal()
203 	kobj->state_remove_uevent_sent = 0;  in kobject_init_internal()
204 	kobj->state_initialized = 1;  in kobject_init_internal()
208 static int kobject_add_internal(struct kobject *kobj)  in kobject_add_internal()  argument
213 	if (!kobj)  in kobject_add_internal()
216 	if (!kobj->name || !kobj->name[0]) {  in kobject_add_internal()
219 		     kobj);  in kobject_add_internal()
223 	parent = kobject_get(kobj->parent);  in kobject_add_internal()
226 	if (kobj->kset) {  in kobject_add_internal()
228 			parent = kobject_get(&kobj->kset->kobj);  in kobject_add_internal()
229 		kobj_kset_join(kobj);  in kobject_add_internal()
230 		kobj->parent = parent;  in kobject_add_internal()
234 		 kobject_name(kobj), kobj, __func__,  in kobject_add_internal()
236 		 kobj->kset ? kobject_name(&kobj->kset->kobj) : "<NULL>");  in kobject_add_internal()
238 	error = create_dir(kobj);  in kobject_add_internal()
240 		kobj_kset_leave(kobj);  in kobject_add_internal()
242 		kobj->parent = NULL;  in kobject_add_internal()
247 			       __func__, kobject_name(kobj));  in kobject_add_internal()
250 			       __func__, kobject_name(kobj), error,  in kobject_add_internal()
253 		kobj->state_in_sysfs = 1;  in kobject_add_internal()
264 int kobject_set_name_vargs(struct kobject *kobj, const char *fmt,  in kobject_set_name_vargs()  argument
269 	if (kobj->name && !fmt)  in kobject_set_name_vargs()
291 	kfree_const(kobj->name);  in kobject_set_name_vargs()
292 	kobj->name = s;  in kobject_set_name_vargs()
306 int kobject_set_name(struct kobject *kobj, const char *fmt, ...)  in kobject_set_name()  argument
312 	retval = kobject_set_name_vargs(kobj, fmt, vargs);  in kobject_set_name()
331 void kobject_init(struct kobject *kobj, const struct kobj_type *ktype)  in kobject_init()  argument
335 	if (!kobj) {  in kobject_init()
343 	if (kobj->state_initialized) {  in kobject_init()
346 		       kobj);  in kobject_init()
350 	kobject_init_internal(kobj);  in kobject_init()
351 	kobj->ktype = ktype;  in kobject_init()
355 	pr_err("kobject (%p): %s\n", kobj, err_str);  in kobject_init()
360 static __printf(3, 0) int kobject_add_varg(struct kobject *kobj,  in kobject_add_varg()  argument
366 	retval = kobject_set_name_vargs(kobj, fmt, vargs);  in kobject_add_varg()
371 	kobj->parent = parent;  in kobject_add_varg()
372 	return kobject_add_internal(kobj);  in kobject_add_varg()
408 int kobject_add(struct kobject *kobj, struct kobject *parent,  in kobject_add()  argument
414 	if (!kobj)  in kobject_add()
417 	if (!kobj->state_initialized) {  in kobject_add()
419 		       kobject_name(kobj), kobj);  in kobject_add()
424 	retval = kobject_add_varg(kobj, parent, fmt, args);  in kobject_add()
446 int kobject_init_and_add(struct kobject *kobj, const struct kobj_type *ktype,  in kobject_init_and_add()  argument
452 	kobject_init(kobj, ktype);  in kobject_init_and_add()
455 	retval = kobject_add_varg(kobj, parent, fmt, args);  in kobject_init_and_add()
472 int kobject_rename(struct kobject *kobj, const char *new_name)  in kobject_rename()  argument
480 	kobj = kobject_get(kobj);  in kobject_rename()
481 	if (!kobj)  in kobject_rename()
483 	if (!kobj->parent) {  in kobject_rename()
484 		kobject_put(kobj);  in kobject_rename()
488 	devpath = kobject_get_path(kobj, GFP_KERNEL);  in kobject_rename()
508 	error = sysfs_rename_dir_ns(kobj, new_name, kobject_namespace(kobj));  in kobject_rename()
513 	dup_name = kobj->name;  in kobject_rename()
514 	kobj->name = name;  in kobject_rename()
519 	kobject_uevent_env(kobj, KOBJ_MOVE, envp);  in kobject_rename()
525 	kobject_put(kobj);  in kobject_rename()
536 int kobject_move(struct kobject *kobj, struct kobject *new_parent)  in kobject_move()  argument
544 	kobj = kobject_get(kobj);  in kobject_move()
545 	if (!kobj)  in kobject_move()
549 		if (kobj->kset)  in kobject_move()
550 			new_parent = kobject_get(&kobj->kset->kobj);  in kobject_move()
554 	devpath = kobject_get_path(kobj, GFP_KERNEL);  in kobject_move()
567 	error = sysfs_move_dir_ns(kobj, new_parent, kobject_namespace(kobj));  in kobject_move()
570 	old_parent = kobj->parent;  in kobject_move()
571 	kobj->parent = new_parent;  in kobject_move()
574 	kobject_uevent_env(kobj, KOBJ_MOVE, envp);  in kobject_move()
577 	kobject_put(kobj);  in kobject_move()
584 static void __kobject_del(struct kobject *kobj)  in __kobject_del()  argument
589 	sd = kobj->sd;  in __kobject_del()
590 	ktype = get_ktype(kobj);  in __kobject_del()
592 	sysfs_remove_groups(kobj, ktype->default_groups);  in __kobject_del()
595 	if (kobj->state_add_uevent_sent && !kobj->state_remove_uevent_sent) {  in __kobject_del()
597 			 kobject_name(kobj), kobj);  in __kobject_del()
598 		kobject_uevent(kobj, KOBJ_REMOVE);  in __kobject_del()
601 	sysfs_remove_dir(kobj);  in __kobject_del()
604 	kobj->state_in_sysfs = 0;  in __kobject_del()
605 	kobj_kset_leave(kobj);  in __kobject_del()
606 	kobj->parent = NULL;  in __kobject_del()
616 void kobject_del(struct kobject *kobj)  in kobject_del()  argument
620 	if (!kobj)  in kobject_del()
623 	parent = kobj->parent;  in kobject_del()
624 	__kobject_del(kobj);  in kobject_del()
633 struct kobject *kobject_get(struct kobject *kobj)  in kobject_get()  argument
635 	if (kobj) {  in kobject_get()
636 		if (!kobj->state_initialized)  in kobject_get()
639 			     kobject_name(kobj), kobj);  in kobject_get()
640 		kref_get(&kobj->kref);  in kobject_get()
642 	return kobj;  in kobject_get()
646 struct kobject * __must_check kobject_get_unless_zero(struct kobject *kobj)  in kobject_get_unless_zero()  argument
648 	if (!kobj)  in kobject_get_unless_zero()
650 	if (!kref_get_unless_zero(&kobj->kref))  in kobject_get_unless_zero()
651 		kobj = NULL;  in kobject_get_unless_zero()
652 	return kobj;  in kobject_get_unless_zero()
660 static void kobject_cleanup(struct kobject *kobj)  in kobject_cleanup()  argument
662 	struct kobject *parent = kobj->parent;  in kobject_cleanup()
663 	const struct kobj_type *t = get_ktype(kobj);  in kobject_cleanup()
664 	const char *name = kobj->name;  in kobject_cleanup()
667 		 kobject_name(kobj), kobj, __func__, kobj->parent);  in kobject_cleanup()
670 	if (kobj->state_in_sysfs) {  in kobject_cleanup()
672 			 kobject_name(kobj), kobj);  in kobject_cleanup()
673 		__kobject_del(kobj);  in kobject_cleanup()
681 			 kobject_name(kobj), kobj);  in kobject_cleanup()
682 		t->release(kobj);  in kobject_cleanup()
685 			 kobject_name(kobj), kobj);  in kobject_cleanup()
707 	struct kobject *kobj = container_of(kref, struct kobject, kref);  in kobject_release()  local
711 		kobject_name(kobj), kobj, __func__, kobj->parent, delay);  in kobject_release()
712 	INIT_DELAYED_WORK(&kobj->release, kobject_delayed_cleanup);  in kobject_release()
714 	schedule_delayed_work(&kobj->release, delay);  in kobject_release()
716 	kobject_cleanup(kobj);  in kobject_release()
726 void kobject_put(struct kobject *kobj)  in kobject_put()  argument
728 	if (kobj) {  in kobject_put()
729 		if (!kobj->state_initialized)  in kobject_put()
732 			     kobject_name(kobj), kobj);  in kobject_put()
733 		kref_put(&kobj->kref, kobject_release);  in kobject_put()
738 static void dynamic_kobj_release(struct kobject *kobj)  in dynamic_kobj_release()  argument
740 	pr_debug("(%p): %s\n", kobj, __func__);  in dynamic_kobj_release()
741 	kfree(kobj);  in dynamic_kobj_release()
762 	struct kobject *kobj;  in kobject_create()  local
764 	kobj = kzalloc(sizeof(*kobj), GFP_KERNEL);  in kobject_create()
765 	if (!kobj)  in kobject_create()
768 	kobject_init(kobj, &dynamic_kobj_ktype);  in kobject_create()
769 	return kobj;  in kobject_create()
787 	struct kobject *kobj;  in kobject_create_and_add()  local
790 	kobj = kobject_create();  in kobject_create_and_add()
791 	if (!kobj)  in kobject_create_and_add()
794 	retval = kobject_add(kobj, parent, "%s", name);  in kobject_create_and_add()
797 		kobject_put(kobj);  in kobject_create_and_add()
798 		kobj = NULL;  in kobject_create_and_add()
800 	return kobj;  in kobject_create_and_add()
810 	kobject_init_internal(&k->kobj);  in kset_init()
816 static ssize_t kobj_attr_show(struct kobject *kobj, struct attribute *attr,  in kobj_attr_show()  argument
824 		ret = kattr->show(kobj, kattr, buf);  in kobj_attr_show()
828 static ssize_t kobj_attr_store(struct kobject *kobj, struct attribute *attr,  in kobj_attr_store()  argument
836 		ret = kattr->store(kobj, kattr, buf, count);  in kobj_attr_store()
860 	if (!k->kobj.ktype) {  in kset_register()
866 	err = kobject_add_internal(&k->kobj);  in kset_register()
868 		kfree_const(k->kobj.name);  in kset_register()
870 		k->kobj.name = NULL;  in kset_register()
873 	kobject_uevent(&k->kobj, KOBJ_ADD);  in kset_register()
886 	kobject_del(&k->kobj);  in kset_unregister()
887 	kobject_put(&k->kobj);  in kset_unregister()
919 static void kset_release(struct kobject *kobj)  in kset_release()  argument
921 	struct kset *kset = container_of(kobj, struct kset, kobj);  in kset_release()
923 		 kobject_name(kobj), kobj, __func__);  in kset_release()
927 static void kset_get_ownership(const struct kobject *kobj, kuid_t *uid, kgid_t *gid)  in kset_get_ownership()  argument
929 	if (kobj->parent)  in kset_get_ownership()
930 		kobject_get_ownership(kobj->parent, uid, gid);  in kset_get_ownership()
964 	retval = kobject_set_name(&kset->kobj, "%s", name);  in kset_create()
970 	kset->kobj.parent = parent_kobj;  in kset_create()
977 	kset->kobj.ktype = &kset_ktype;  in kset_create()
978 	kset->kobj.kset = NULL;  in kset_create()
1065 const struct kobj_ns_type_operations *kobj_ns_ops(const struct kobject *kobj)  in kobj_ns_ops()  argument
1067 	return kobj_child_ns_ops(kobj->parent);  in kobj_ns_ops()