348 static struct kobject *cdev_get(struct cdev *p)  in cdev_get()  argument
350 	struct module *owner = p->owner;  in cdev_get()
355 	kobj = kobject_get_unless_zero(&p->kobj);  in cdev_get()
361 void cdev_put(struct cdev *p)  in cdev_put()  argument
363 	if (p) {  in cdev_put()
364 		struct module *owner = p->owner;  in cdev_put()
365 		kobject_put(&p->kobj);  in cdev_put()
376 	struct cdev *p;  in chrdev_open()  local
381 	p = inode->i_cdev;  in chrdev_open()
382 	if (!p) {  in chrdev_open()
393 		p = inode->i_cdev;  in chrdev_open()
394 		if (!p) {  in chrdev_open()
395 			inode->i_cdev = p = new;  in chrdev_open()
396 			list_add(&inode->i_devices, &p->list);  in chrdev_open()
398 		} else if (!cdev_get(p))  in chrdev_open()
400 	} else if (!cdev_get(p))  in chrdev_open()
408 	fops = fops_get(p->ops);  in chrdev_open()
422 	cdev_put(p);  in chrdev_open()
459 	struct cdev *p = data;  in exact_match()  local
460 	return &p->kobj;  in exact_match()
465 	struct cdev *p = data;  in exact_lock()  local
466 	return cdev_get(p) ? 0 : -1;  in exact_lock()
479 int cdev_add(struct cdev *p, dev_t dev, unsigned count)  in cdev_add()  argument
483 	p->dev = dev;  in cdev_add()
484 	p->count = count;  in cdev_add()
492 			 exact_match, exact_lock, p);  in cdev_add()
496 	kobject_get(p->kobj.parent);  in cdev_add()
501 	kfree_const(p->kobj.name);  in cdev_add()
502 	p->kobj.name = NULL;  in cdev_add()
515 void cdev_set_parent(struct cdev *p, struct kobject *kobj)  in cdev_set_parent()  argument
518 	p->kobj.parent = kobj;  in cdev_set_parent()
601 void cdev_del(struct cdev *p)  in cdev_del()  argument
603 	cdev_unmap(p->dev, p->count);  in cdev_del()
604 	kobject_put(&p->kobj);  in cdev_del()
610 	struct cdev *p = container_of(kobj, struct cdev, kobj);  in cdev_default_release()  local
613 	cdev_purge(p);  in cdev_default_release()
619 	struct cdev *p = container_of(kobj, struct cdev, kobj);  in cdev_dynamic_release()  local
622 	cdev_purge(p);  in cdev_dynamic_release()
623 	kfree(p);  in cdev_dynamic_release()
642 	struct cdev *p = kzalloc(sizeof(struct cdev), GFP_KERNEL);  in cdev_alloc()  local
643 	if (p) {  in cdev_alloc()
644 		INIT_LIST_HEAD(&p->list);  in cdev_alloc()
645 		kobject_init(&p->kobj, &ktype_cdev_dynamic);  in cdev_alloc()
647 	return p;  in cdev_alloc()