3151 	driver->cdevs[index] = cdev_alloc();  in tty_cdev_add()
3152 	if (!driver->cdevs[index])  in tty_cdev_add()
3154 	driver->cdevs[index]->ops = &tty_fops;  in tty_cdev_add()
3155 	driver->cdevs[index]->owner = driver->owner;  in tty_cdev_add()
3156 	err = cdev_add(driver->cdevs[index], dev, count);  in tty_cdev_add()
3158 		kobject_put(&driver->cdevs[index]->kobj);  in tty_cdev_add()
3296 		cdev_del(driver->cdevs[index]);  in tty_unregister_device()
3297 		driver->cdevs[index] = NULL;  in tty_unregister_device()
3315 	unsigned int cdevs = 1;  in __tty_alloc_driver()  local
3348 		cdevs = lines;  in __tty_alloc_driver()
3351 	driver->cdevs = kcalloc(cdevs, sizeof(*driver->cdevs), GFP_KERNEL);  in __tty_alloc_driver()
3352 	if (!driver->cdevs) {  in __tty_alloc_driver()
3362 	kfree(driver->cdevs);  in __tty_alloc_driver()
3386 			cdev_del(driver->cdevs[0]);  in destruct_tty_driver()
3388 	kfree(driver->cdevs);  in destruct_tty_driver()