326 static struct kobject *cdev_get(struct cdev *p)  in cdev_get()  argument
328 	struct module *owner = p->owner;  in cdev_get()
333 	kobj = kobject_get(&p->kobj);  in cdev_get()
339 void cdev_put(struct cdev *p)  in cdev_put()  argument
341 	if (p) {  in cdev_put()
342 		struct module *owner = p->owner;  in cdev_put()
343 		kobject_put(&p->kobj);  in cdev_put()
354 	struct cdev *p;  in chrdev_open()  local
359 	p = inode->i_cdev;  in chrdev_open()
360 	if (!p) {  in chrdev_open()
371 		p = inode->i_cdev;  in chrdev_open()
372 		if (!p) {  in chrdev_open()
373 			inode->i_cdev = p = new;  in chrdev_open()
374 			list_add(&inode->i_devices, &p->list);  in chrdev_open()
376 		} else if (!cdev_get(p))  in chrdev_open()
378 	} else if (!cdev_get(p))  in chrdev_open()
386 	fops = fops_get(p->ops);  in chrdev_open()
400 	cdev_put(p);  in chrdev_open()
437 	struct cdev *p = data;  in exact_match()  local
438 	return &p->kobj;  in exact_match()
443 	struct cdev *p = data;  in exact_lock()  local
444 	return cdev_get(p) ? 0 : -1;  in exact_lock()
457 int cdev_add(struct cdev *p, dev_t dev, unsigned count)  in cdev_add()  argument
461 	p->dev = dev;  in cdev_add()
462 	p->count = count;  in cdev_add()
465 			 exact_match, exact_lock, p);  in cdev_add()
469 	kobject_get(p->kobj.parent);  in cdev_add()
486 void cdev_del(struct cdev *p)  in cdev_del()  argument
488 	cdev_unmap(p->dev, p->count);  in cdev_del()
489 	kobject_put(&p->kobj);  in cdev_del()
495 	struct cdev *p = container_of(kobj, struct cdev, kobj);  in cdev_default_release()  local
498 	cdev_purge(p);  in cdev_default_release()
504 	struct cdev *p = container_of(kobj, struct cdev, kobj);  in cdev_dynamic_release()  local
507 	cdev_purge(p);  in cdev_dynamic_release()
508 	kfree(p);  in cdev_dynamic_release()
527 	struct cdev *p = kzalloc(sizeof(struct cdev), GFP_KERNEL);  in cdev_alloc()  local
528 	if (p) {  in cdev_alloc()
529 		INIT_LIST_HEAD(&p->list);  in cdev_alloc()
530 		kobject_init(&p->kobj, &ktype_cdev_dynamic);  in cdev_alloc()
532 	return p;  in cdev_alloc()