30 static int populate_dir(struct kobject *kobj)  in populate_dir()  argument
32 	struct kobj_type *t = get_ktype(kobj);  in populate_dir()
39 			error = sysfs_create_file(kobj, attr);  in populate_dir()
47 static int create_dir(struct kobject *kobj)  in create_dir()  argument
50 	if (kobject_name(kobj)) {  in create_dir()
51 		error = sysfs_create_dir(kobj);  in create_dir()
53 			error = populate_dir(kobj);  in create_dir()
55 				sysfs_remove_dir(kobj);  in create_dir()
61 static int get_kobj_path_length(struct kobject *kobj)  in get_kobj_path_length()  argument
64 	struct kobject *parent = kobj;  in get_kobj_path_length()
79 static void fill_kobj_path(struct kobject *kobj, char *path, int length)  in fill_kobj_path()  argument
84 	for (parent = kobj; parent; parent = parent->parent) {  in fill_kobj_path()
92 	pr_debug("kobject: '%s' (%p): %s: path = '%s'\n", kobject_name(kobj),  in fill_kobj_path()
93 		 kobj, __func__, path);  in fill_kobj_path()
104 char *kobject_get_path(struct kobject *kobj, gfp_t gfp_mask)  in kobject_get_path()  argument
109 	len = get_kobj_path_length(kobj);  in kobject_get_path()
115 	fill_kobj_path(kobj, path, len);  in kobject_get_path()
122 static void kobj_kset_join(struct kobject *kobj)  in kobj_kset_join()  argument
124 	if (!kobj->kset)  in kobj_kset_join()
127 	kset_get(kobj->kset);  in kobj_kset_join()
128 	spin_lock(&kobj->kset->list_lock);  in kobj_kset_join()
129 	list_add_tail(&kobj->entry, &kobj->kset->list);  in kobj_kset_join()
130 	spin_unlock(&kobj->kset->list_lock);  in kobj_kset_join()
134 static void kobj_kset_leave(struct kobject *kobj)  in kobj_kset_leave()  argument
136 	if (!kobj->kset)  in kobj_kset_leave()
139 	spin_lock(&kobj->kset->list_lock);  in kobj_kset_leave()
140 	list_del_init(&kobj->entry);  in kobj_kset_leave()
141 	spin_unlock(&kobj->kset->list_lock);  in kobj_kset_leave()
142 	kset_put(kobj->kset);  in kobj_kset_leave()
145 static void kobject_init_internal(struct kobject *kobj)  in kobject_init_internal()  argument
147 	if (!kobj)  in kobject_init_internal()
149 	kref_init(&kobj->kref);  in kobject_init_internal()
150 	INIT_LIST_HEAD(&kobj->entry);  in kobject_init_internal()
151 	kobj->state_in_sysfs = 0;  in kobject_init_internal()
152 	kobj->state_add_uevent_sent = 0;  in kobject_init_internal()
153 	kobj->state_remove_uevent_sent = 0;  in kobject_init_internal()
154 	kobj->state_initialized = 1;  in kobject_init_internal()
158 static int kobject_add_internal(struct kobject *kobj)  in kobject_add_internal()  argument
163 	if (!kobj)  in kobject_add_internal()
166 	if (!kobj->name || !kobj->name[0]) {  in kobject_add_internal()
168 			 "name!\n", kobj);  in kobject_add_internal()
172 	parent = kobject_get(kobj->parent);  in kobject_add_internal()
175 	if (kobj->kset) {  in kobject_add_internal()
177 			parent = kobject_get(&kobj->kset->kobj);  in kobject_add_internal()
178 		kobj_kset_join(kobj);  in kobject_add_internal()
179 		kobj->parent = parent;  in kobject_add_internal()
183 		 kobject_name(kobj), kobj, __func__,  in kobject_add_internal()
185 		 kobj->kset ? kobject_name(&kobj->kset->kobj) : "<NULL>");  in kobject_add_internal()
187 	error = create_dir(kobj);  in kobject_add_internal()
189 		kobj_kset_leave(kobj);  in kobject_add_internal()
191 		kobj->parent = NULL;  in kobject_add_internal()
198 			     __func__, kobject_name(kobj));  in kobject_add_internal()
201 			     __func__, kobject_name(kobj), error,  in kobject_add_internal()
204 		kobj->state_in_sysfs = 1;  in kobject_add_internal()
215 int kobject_set_name_vargs(struct kobject *kobj, const char *fmt,  in kobject_set_name_vargs()  argument
218 	const char *old_name = kobj->name;  in kobject_set_name_vargs()
221 	if (kobj->name && !fmt)  in kobject_set_name_vargs()
224 	kobj->name = kvasprintf(GFP_KERNEL, fmt, vargs);  in kobject_set_name_vargs()
225 	if (!kobj->name)  in kobject_set_name_vargs()
229 	while ((s = strchr(kobj->name, '/')))  in kobject_set_name_vargs()
245 int kobject_set_name(struct kobject *kobj, const char *fmt, ...)  in kobject_set_name()  argument
251 	retval = kobject_set_name_vargs(kobj, fmt, vargs);  in kobject_set_name()
270 void kobject_init(struct kobject *kobj, struct kobj_type *ktype)  in kobject_init()  argument
274 	if (!kobj) {  in kobject_init()
282 	if (kobj->state_initialized) {  in kobject_init()
285 		       "object, something is seriously wrong.\n", kobj);  in kobject_init()
289 	kobject_init_internal(kobj);  in kobject_init()
290 	kobj->ktype = ktype;  in kobject_init()
294 	printk(KERN_ERR "kobject (%p): %s\n", kobj, err_str);  in kobject_init()
299 static int kobject_add_varg(struct kobject *kobj, struct kobject *parent,  in kobject_add_varg()  argument
304 	retval = kobject_set_name_vargs(kobj, fmt, vargs);  in kobject_add_varg()
309 	kobj->parent = parent;  in kobject_add_varg()
310 	return kobject_add_internal(kobj);  in kobject_add_varg()
338 int kobject_add(struct kobject *kobj, struct kobject *parent,  in kobject_add()  argument
344 	if (!kobj)  in kobject_add()
347 	if (!kobj->state_initialized) {  in kobject_add()
350 		       kobject_name(kobj), kobj);  in kobject_add()
355 	retval = kobject_add_varg(kobj, parent, fmt, args);  in kobject_add()
373 int kobject_init_and_add(struct kobject *kobj, struct kobj_type *ktype,  in kobject_init_and_add()  argument
379 	kobject_init(kobj, ktype);  in kobject_init_and_add()
382 	retval = kobject_add_varg(kobj, parent, fmt, args);  in kobject_init_and_add()
399 int kobject_rename(struct kobject *kobj, const char *new_name)  in kobject_rename()  argument
407 	kobj = kobject_get(kobj);  in kobject_rename()
408 	if (!kobj)  in kobject_rename()
410 	if (!kobj->parent)  in kobject_rename()
413 	devpath = kobject_get_path(kobj, GFP_KERNEL);  in kobject_rename()
433 	error = sysfs_rename_dir(kobj, new_name);  in kobject_rename()
438 	dup_name = kobj->name;  in kobject_rename()
439 	kobj->name = name;  in kobject_rename()
444 	kobject_uevent_env(kobj, KOBJ_MOVE, envp);  in kobject_rename()
450 	kobject_put(kobj);  in kobject_rename()
461 int kobject_move(struct kobject *kobj, struct kobject *new_parent)  in kobject_move()  argument
469 	kobj = kobject_get(kobj);  in kobject_move()
470 	if (!kobj)  in kobject_move()
474 		if (kobj->kset)  in kobject_move()
475 			new_parent = kobject_get(&kobj->kset->kobj);  in kobject_move()
478 	devpath = kobject_get_path(kobj, GFP_KERNEL);  in kobject_move()
491 	error = sysfs_move_dir(kobj, new_parent);  in kobject_move()
494 	old_parent = kobj->parent;  in kobject_move()
495 	kobj->parent = new_parent;  in kobject_move()
498 	kobject_uevent_env(kobj, KOBJ_MOVE, envp);  in kobject_move()
501 	kobject_put(kobj);  in kobject_move()
511 void kobject_del(struct kobject *kobj)  in kobject_del()  argument
513 	if (!kobj)  in kobject_del()
516 	sysfs_remove_dir(kobj);  in kobject_del()
517 	kobj->state_in_sysfs = 0;  in kobject_del()
518 	kobj_kset_leave(kobj);  in kobject_del()
519 	kobject_put(kobj->parent);  in kobject_del()
520 	kobj->parent = NULL;  in kobject_del()
527 struct kobject *kobject_get(struct kobject *kobj)  in kobject_get()  argument
529 	if (kobj)  in kobject_get()
530 		kref_get(&kobj->kref);  in kobject_get()
531 	return kobj;  in kobject_get()
534 static struct kobject *kobject_get_unless_zero(struct kobject *kobj)  in kobject_get_unless_zero()  argument
536 	if (!kref_get_unless_zero(&kobj->kref))  in kobject_get_unless_zero()
537 		kobj = NULL;  in kobject_get_unless_zero()
538 	return kobj;  in kobject_get_unless_zero()
545 static void kobject_cleanup(struct kobject *kobj)  in kobject_cleanup()  argument
547 	struct kobj_type *t = get_ktype(kobj);  in kobject_cleanup()
548 	const char *name = kobj->name;  in kobject_cleanup()
551 		 kobject_name(kobj), kobj, __func__);  in kobject_cleanup()
556 			 kobject_name(kobj), kobj);  in kobject_cleanup()
559 	if (kobj->state_add_uevent_sent && !kobj->state_remove_uevent_sent) {  in kobject_cleanup()
561 			 kobject_name(kobj), kobj);  in kobject_cleanup()
562 		kobject_uevent(kobj, KOBJ_REMOVE);  in kobject_cleanup()
566 	if (kobj->state_in_sysfs) {  in kobject_cleanup()
568 			 kobject_name(kobj), kobj);  in kobject_cleanup()
569 		kobject_del(kobj);  in kobject_cleanup()
574 			 kobject_name(kobj), kobj);  in kobject_cleanup()
575 		t->release(kobj);  in kobject_cleanup()
596 void kobject_put(struct kobject *kobj)  in kobject_put()  argument
598 	if (kobj) {  in kobject_put()
599 		if (!kobj->state_initialized)  in kobject_put()
602 			       "called.\n", kobject_name(kobj), kobj);  in kobject_put()
603 		kref_put(&kobj->kref, kobject_release);  in kobject_put()
607 static void dynamic_kobj_release(struct kobject *kobj)  in dynamic_kobj_release()  argument
609 	pr_debug("kobject: (%p): %s\n", kobj, __func__);  in dynamic_kobj_release()
610 	kfree(kobj);  in dynamic_kobj_release()
631 	struct kobject *kobj;  in kobject_create()  local
633 	kobj = kzalloc(sizeof(*kobj), GFP_KERNEL);  in kobject_create()
634 	if (!kobj)  in kobject_create()
637 	kobject_init(kobj, &dynamic_kobj_ktype);  in kobject_create()
638 	return kobj;  in kobject_create()
656 	struct kobject *kobj;  in kobject_create_and_add()  local
659 	kobj = kobject_create();  in kobject_create_and_add()
660 	if (!kobj)  in kobject_create_and_add()
663 	retval = kobject_add(kobj, parent, "%s", name);  in kobject_create_and_add()
667 		kobject_put(kobj);  in kobject_create_and_add()
668 		kobj = NULL;  in kobject_create_and_add()
670 	return kobj;  in kobject_create_and_add()
680 	kobject_init_internal(&k->kobj);  in kset_init()
686 static ssize_t kobj_attr_show(struct kobject *kobj, struct attribute *attr,  in kobj_attr_show()  argument
694 		ret = kattr->show(kobj, kattr, buf);  in kobj_attr_show()
698 static ssize_t kobj_attr_store(struct kobject *kobj, struct attribute *attr,  in kobj_attr_store()  argument
706 		ret = kattr->store(kobj, kattr, buf, count);  in kobj_attr_store()
727 	err = kobject_add_internal(&k->kobj);  in kset_register()
730 	kobject_uevent(&k->kobj, KOBJ_ADD);  in kset_register()
742 	kobject_put(&k->kobj);  in kset_unregister()
772 static void kset_release(struct kobject *kobj)  in kset_release()  argument
774 	struct kset *kset = container_of(kobj, struct kset, kobj);  in kset_release()
776 		 kobject_name(kobj), kobj, __func__);  in kset_release()
810 	retval = kobject_set_name(&kset->kobj, name);  in kset_create()
816 	kset->kobj.parent = parent_kobj;  in kset_create()
823 	kset->kobj.ktype = &kset_ktype;  in kset_create()
824 	kset->kobj.kset = NULL;  in kset_create()
915 const struct kobj_ns_type_operations *kobj_ns_ops(struct kobject *kobj)  in kobj_ns_ops()  argument
917 	return kobj_child_ns_ops(kobj->parent);  in kobj_ns_ops()