[PATCH v2 01/11] driver: platform: add and use helper for safer setting of driver_override

[Bjorn Helgaas]

On Wed, Feb 23, 2022 at 08:13:00PM +0100, Krzysztof Kozlowski wrote:
> Several core drivers and buses expect that driver_override is a
> dynamically allocated memory thus later they can kfree() it.
> ...

> + * set_driver_override() - Helper to set or clear driver override.

Doesn't match actual function name.

> + * @dev: Device to change
> + * @override: Address of string to change (e.g. &device->driver_override);
> + *            The contents will be freed and hold newly allocated override.
> + * @s: NULL terminated string, new driver name to force a match, pass empty
> + *     string to clear it
> + *
> + * Helper to setr or clear driver override in a device, intended for the cases
> + * when the driver_override field is allocated by driver/bus code.

s/setr/set/

> + * Returns: 0 on success or a negative error code on failure.
> + */
> +int driver_set_override(struct device *dev, char **override, const char *s)
> +{