Re: [PATCHv5 2/4] wiegand: add Wiegand bus driver

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On Thu, Aug 24, 2023 at 01:10:13PM +0200, Martin Zaťovič wrote:
> +static inline void wiegand_controller_put(void *ptr)

Why is this a void *?  It should be "struct wiegand_controller *"

Please never use void * if at all possible.

> +static inline void wiegand_unregister_driver(struct wiegand_driver *wdrv)
> +{
> +	if (wdrv)

How could this ever be true?

> +		driver_unregister(&wdrv->driver);
> +}
> +
> +static inline struct wiegand_driver *to_wiegand_driver(struct device_driver *drv)
> +{
> +	return drv ? container_of(drv, struct wiegand_driver, driver) : NULL;

How could drv be NULL?

And you should make this a const *, right?

thanks,

greg k-h



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