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()
57 static int create_dir(struct kobject *kobj)  in create_dir()  argument
59 	const struct kobj_type *ktype = get_ktype(kobj);  in create_dir()
63 	error = sysfs_create_dir_ns(kobj, kobject_namespace(kobj));  in create_dir()
68 		error = sysfs_create_groups(kobj, ktype->default_groups);  in create_dir()
70 			sysfs_remove_dir(kobj);  in create_dir()
79 	sysfs_get(kobj->sd);  in create_dir()
85 	ops = kobj_child_ns_ops(kobj);  in create_dir()
91 		sysfs_enable_ns(kobj->sd);  in create_dir()
97 static int get_kobj_path_length(struct kobject *kobj)  in get_kobj_path_length()  argument
100 	struct kobject *parent = kobj;  in get_kobj_path_length()
115 static void fill_kobj_path(struct kobject *kobj, char *path, int length)  in fill_kobj_path()  argument
120 	for (parent = kobj; parent; parent = parent->parent) {  in fill_kobj_path()
128 	pr_debug("kobject: '%s' (%p): %s: path = '%s'\n", kobject_name(kobj),  in fill_kobj_path()
129 		 kobj, __func__, path);  in fill_kobj_path()
139 char *kobject_get_path(struct kobject *kobj, gfp_t gfp_mask)  in kobject_get_path()  argument
144 	len = get_kobj_path_length(kobj);  in kobject_get_path()
150 	fill_kobj_path(kobj, path, len);  in kobject_get_path()
157 static void kobj_kset_join(struct kobject *kobj)  in kobj_kset_join()  argument
159 	if (!kobj->kset)  in kobj_kset_join()
162 	kset_get(kobj->kset);  in kobj_kset_join()
163 	spin_lock(&kobj->kset->list_lock);  in kobj_kset_join()
164 	list_add_tail(&kobj->entry, &kobj->kset->list);  in kobj_kset_join()
165 	spin_unlock(&kobj->kset->list_lock);  in kobj_kset_join()
169 static void kobj_kset_leave(struct kobject *kobj)  in kobj_kset_leave()  argument
171 	if (!kobj->kset)  in kobj_kset_leave()
174 	spin_lock(&kobj->kset->list_lock);  in kobj_kset_leave()
175 	list_del_init(&kobj->entry);  in kobj_kset_leave()
176 	spin_unlock(&kobj->kset->list_lock);  in kobj_kset_leave()
177 	kset_put(kobj->kset);  in kobj_kset_leave()
180 static void kobject_init_internal(struct kobject *kobj)  in kobject_init_internal()  argument
182 	if (!kobj)  in kobject_init_internal()
184 	kref_init(&kobj->kref);  in kobject_init_internal()
185 	INIT_LIST_HEAD(&kobj->entry);  in kobject_init_internal()
186 	kobj->state_in_sysfs = 0;  in kobject_init_internal()
187 	kobj->state_add_uevent_sent = 0;  in kobject_init_internal()
188 	kobj->state_remove_uevent_sent = 0;  in kobject_init_internal()
189 	kobj->state_initialized = 1;  in kobject_init_internal()
193 static int kobject_add_internal(struct kobject *kobj)  in kobject_add_internal()  argument
198 	if (!kobj)  in kobject_add_internal()
201 	if (!kobj->name || !kobj->name[0]) {  in kobject_add_internal()
204 		     kobj);  in kobject_add_internal()
208 	parent = kobject_get(kobj->parent);  in kobject_add_internal()
211 	if (kobj->kset) {  in kobject_add_internal()
213 			parent = kobject_get(&kobj->kset->kobj);  in kobject_add_internal()
214 		kobj_kset_join(kobj);  in kobject_add_internal()
215 		kobj->parent = parent;  in kobject_add_internal()
219 		 kobject_name(kobj), kobj, __func__,  in kobject_add_internal()
221 		 kobj->kset ? kobject_name(&kobj->kset->kobj) : "<NULL>");  in kobject_add_internal()
223 	error = create_dir(kobj);  in kobject_add_internal()
225 		kobj_kset_leave(kobj);  in kobject_add_internal()
227 		kobj->parent = NULL;  in kobject_add_internal()
232 			       __func__, kobject_name(kobj));  in kobject_add_internal()
235 			       __func__, kobject_name(kobj), error,  in kobject_add_internal()
238 		kobj->state_in_sysfs = 1;  in kobject_add_internal()
249 int kobject_set_name_vargs(struct kobject *kobj, const char *fmt,  in kobject_set_name_vargs()  argument
254 	if (kobj->name && !fmt)  in kobject_set_name_vargs()
277 	kfree_const(kobj->name);  in kobject_set_name_vargs()
278 	kobj->name = s;  in kobject_set_name_vargs()
292 int kobject_set_name(struct kobject *kobj, const char *fmt, ...)  in kobject_set_name()  argument
298 	retval = kobject_set_name_vargs(kobj, fmt, vargs);  in kobject_set_name()
317 void kobject_init(struct kobject *kobj, const struct kobj_type *ktype)  in kobject_init()  argument
321 	if (!kobj) {  in kobject_init()
329 	if (kobj->state_initialized) {  in kobject_init()
332 		       kobj);  in kobject_init()
336 	kobject_init_internal(kobj);  in kobject_init()
337 	kobj->ktype = ktype;  in kobject_init()
341 	pr_err("kobject (%p): %s\n", kobj, err_str);  in kobject_init()
346 static __printf(3, 0) int kobject_add_varg(struct kobject *kobj,  in kobject_add_varg()  argument
352 	retval = kobject_set_name_vargs(kobj, fmt, vargs);  in kobject_add_varg()
357 	kobj->parent = parent;  in kobject_add_varg()
358 	return kobject_add_internal(kobj);  in kobject_add_varg()
394 int kobject_add(struct kobject *kobj, struct kobject *parent,  in kobject_add()  argument
400 	if (!kobj)  in kobject_add()
403 	if (!kobj->state_initialized) {  in kobject_add()
405 		       kobject_name(kobj), kobj);  in kobject_add()
410 	retval = kobject_add_varg(kobj, parent, fmt, args);  in kobject_add()
432 int kobject_init_and_add(struct kobject *kobj, const struct kobj_type *ktype,  in kobject_init_and_add()  argument
438 	kobject_init(kobj, ktype);  in kobject_init_and_add()
441 	retval = kobject_add_varg(kobj, parent, fmt, args);  in kobject_init_and_add()
458 int kobject_rename(struct kobject *kobj, const char *new_name)  in kobject_rename()  argument
466 	kobj = kobject_get(kobj);  in kobject_rename()
467 	if (!kobj)  in kobject_rename()
469 	if (!kobj->parent) {  in kobject_rename()
470 		kobject_put(kobj);  in kobject_rename()
474 	devpath = kobject_get_path(kobj, GFP_KERNEL);  in kobject_rename()
494 	error = sysfs_rename_dir_ns(kobj, new_name, kobject_namespace(kobj));  in kobject_rename()
499 	dup_name = kobj->name;  in kobject_rename()
500 	kobj->name = name;  in kobject_rename()
505 	kobject_uevent_env(kobj, KOBJ_MOVE, envp);  in kobject_rename()
511 	kobject_put(kobj);  in kobject_rename()
522 int kobject_move(struct kobject *kobj, struct kobject *new_parent)  in kobject_move()  argument
530 	kobj = kobject_get(kobj);  in kobject_move()
531 	if (!kobj)  in kobject_move()
535 		if (kobj->kset)  in kobject_move()
536 			new_parent = kobject_get(&kobj->kset->kobj);  in kobject_move()
540 	devpath = kobject_get_path(kobj, GFP_KERNEL);  in kobject_move()
553 	error = sysfs_move_dir_ns(kobj, new_parent, kobject_namespace(kobj));  in kobject_move()
556 	old_parent = kobj->parent;  in kobject_move()
557 	kobj->parent = new_parent;  in kobject_move()
560 	kobject_uevent_env(kobj, KOBJ_MOVE, envp);  in kobject_move()
563 	kobject_put(kobj);  in kobject_move()
570 static void __kobject_del(struct kobject *kobj)  in __kobject_del()  argument
575 	sd = kobj->sd;  in __kobject_del()
576 	ktype = get_ktype(kobj);  in __kobject_del()
579 		sysfs_remove_groups(kobj, ktype->default_groups);  in __kobject_del()
582 	if (kobj->state_add_uevent_sent && !kobj->state_remove_uevent_sent) {  in __kobject_del()
584 			 kobject_name(kobj), kobj);  in __kobject_del()
585 		kobject_uevent(kobj, KOBJ_REMOVE);  in __kobject_del()
588 	sysfs_remove_dir(kobj);  in __kobject_del()
591 	kobj->state_in_sysfs = 0;  in __kobject_del()
592 	kobj_kset_leave(kobj);  in __kobject_del()
593 	kobj->parent = NULL;  in __kobject_del()
603 void kobject_del(struct kobject *kobj)  in kobject_del()  argument
607 	if (!kobj)  in kobject_del()
610 	parent = kobj->parent;  in kobject_del()
611 	__kobject_del(kobj);  in kobject_del()
620 struct kobject *kobject_get(struct kobject *kobj)  in kobject_get()  argument
622 	if (kobj) {  in kobject_get()
623 		if (!kobj->state_initialized)  in kobject_get()
626 			     kobject_name(kobj), kobj);  in kobject_get()
627 		kref_get(&kobj->kref);  in kobject_get()
629 	return kobj;  in kobject_get()
633 struct kobject * __must_check kobject_get_unless_zero(struct kobject *kobj)  in kobject_get_unless_zero()  argument
635 	if (!kobj)  in kobject_get_unless_zero()
637 	if (!kref_get_unless_zero(&kobj->kref))  in kobject_get_unless_zero()
638 		kobj = NULL;  in kobject_get_unless_zero()
639 	return kobj;  in kobject_get_unless_zero()
647 static void kobject_cleanup(struct kobject *kobj)  in kobject_cleanup()  argument
649 	struct kobject *parent = kobj->parent;  in kobject_cleanup()
650 	const struct kobj_type *t = get_ktype(kobj);  in kobject_cleanup()
651 	const char *name = kobj->name;  in kobject_cleanup()
654 		 kobject_name(kobj), kobj, __func__, kobj->parent);  in kobject_cleanup()
658 			 kobject_name(kobj), kobj);  in kobject_cleanup()
661 	if (kobj->state_in_sysfs) {  in kobject_cleanup()
663 			 kobject_name(kobj), kobj);  in kobject_cleanup()
664 		__kobject_del(kobj);  in kobject_cleanup()
672 			 kobject_name(kobj), kobj);  in kobject_cleanup()
673 		t->release(kobj);  in kobject_cleanup()
695 	struct kobject *kobj = container_of(kref, struct kobject, kref);  in kobject_release()  local
699 		 kobject_name(kobj), kobj, __func__, kobj->parent, delay);  in kobject_release()
700 	INIT_DELAYED_WORK(&kobj->release, kobject_delayed_cleanup);  in kobject_release()
702 	schedule_delayed_work(&kobj->release, delay);  in kobject_release()
704 	kobject_cleanup(kobj);  in kobject_release()
714 void kobject_put(struct kobject *kobj)  in kobject_put()  argument
716 	if (kobj) {  in kobject_put()
717 		if (!kobj->state_initialized)  in kobject_put()
720 			     kobject_name(kobj), kobj);  in kobject_put()
721 		kref_put(&kobj->kref, kobject_release);  in kobject_put()
726 static void dynamic_kobj_release(struct kobject *kobj)  in dynamic_kobj_release()  argument
728 	pr_debug("kobject: (%p): %s\n", kobj, __func__);  in dynamic_kobj_release()
729 	kfree(kobj);  in dynamic_kobj_release()
750 	struct kobject *kobj;  in kobject_create()  local
752 	kobj = kzalloc(sizeof(*kobj), GFP_KERNEL);  in kobject_create()
753 	if (!kobj)  in kobject_create()
756 	kobject_init(kobj, &dynamic_kobj_ktype);  in kobject_create()
757 	return kobj;  in kobject_create()
775 	struct kobject *kobj;  in kobject_create_and_add()  local
778 	kobj = kobject_create();  in kobject_create_and_add()
779 	if (!kobj)  in kobject_create_and_add()
782 	retval = kobject_add(kobj, parent, "%s", name);  in kobject_create_and_add()
785 		kobject_put(kobj);  in kobject_create_and_add()
786 		kobj = NULL;  in kobject_create_and_add()
788 	return kobj;  in kobject_create_and_add()
798 	kobject_init_internal(&k->kobj);  in kset_init()
804 static ssize_t kobj_attr_show(struct kobject *kobj, struct attribute *attr,  in kobj_attr_show()  argument
812 		ret = kattr->show(kobj, kattr, buf);  in kobj_attr_show()
816 static ssize_t kobj_attr_store(struct kobject *kobj, struct attribute *attr,  in kobj_attr_store()  argument
824 		ret = kattr->store(kobj, kattr, buf, count);  in kobj_attr_store()
846 	err = kobject_add_internal(&k->kobj);  in kset_register()
849 	kobject_uevent(&k->kobj, KOBJ_ADD);  in kset_register()
862 	kobject_del(&k->kobj);  in kset_unregister()
863 	kobject_put(&k->kobj);  in kset_unregister()
895 static void kset_release(struct kobject *kobj)  in kset_release()  argument
897 	struct kset *kset = container_of(kobj, struct kset, kobj);  in kset_release()
899 		 kobject_name(kobj), kobj, __func__);  in kset_release()
903 static void kset_get_ownership(struct kobject *kobj, kuid_t *uid, kgid_t *gid)  in kset_get_ownership()  argument
905 	if (kobj->parent)  in kset_get_ownership()
906 		kobject_get_ownership(kobj->parent, uid, gid);  in kset_get_ownership()
940 	retval = kobject_set_name(&kset->kobj, "%s", name);  in kset_create()
946 	kset->kobj.parent = parent_kobj;  in kset_create()
953 	kset->kobj.ktype = &kset_ktype;  in kset_create()
954 	kset->kobj.kset = NULL;  in kset_create()
1045 const struct kobj_ns_type_operations *kobj_ns_ops(struct kobject *kobj)  in kobj_ns_ops()  argument
1047 	return kobj_child_ns_ops(kobj->parent);  in kobj_ns_ops()