3220 	cdev_init(&driver->cdevs[index], &tty_fops);  in tty_cdev_add()
3221 	driver->cdevs[index].owner = driver->owner;  in tty_cdev_add()
3222 	return cdev_add(&driver->cdevs[index], dev, count);  in tty_cdev_add()
3329 		cdev_del(&driver->cdevs[index]);  in tty_register_device_attr()
3350 		cdev_del(&driver->cdevs[index]);  in tty_unregister_device()
3367 	unsigned int cdevs = 1;  in __tty_alloc_driver()  local
3401 		cdevs = lines;  in __tty_alloc_driver()
3404 	driver->cdevs = kcalloc(cdevs, sizeof(*driver->cdevs), GFP_KERNEL);  in __tty_alloc_driver()
3405 	if (!driver->cdevs) {  in __tty_alloc_driver()
3443 			cdev_del(&driver->cdevs[0]);  in destruct_tty_driver()
3445 	kfree(driver->cdevs);  in destruct_tty_driver()