Tilman Schmidt <[email protected]> wrote:
>
> + * Returns a pointer to the class device (or NULL on error).
> + *
> * This call is required to be made to register an individual tty device if
> * the tty driver's flags have the TTY_DRIVER_NO_DEVFS bit set. If that
> * bit is not set, this function should not be called.
> */
> -void tty_register_device(struct tty_driver *driver, unsigned index,
> - struct device *device)
> +struct class_device *tty_register_device(struct tty_driver *driver,
> + unsigned index, struct device *device)
> {
It would be better to make this return ERR_PTR(-Efoo) on error, rather than
NULL.
That way, tty_register_device() ends with
- class_device_create(tty_class, NULL, dev, device, "%s", name);
+ return class_device_create(tty_class, NULL, dev, device, "%s", name);
}
which is neat.
-
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