[PATCH v5 05/10] gna: add GNA_GET_PARAMETER ioctl

[Greg Kroah-Hartman]

On Thu, Oct 20, 2022 at 07:53:29PM +0200, Maciej Kwapulinski wrote:
> From: Tomasz Jankowski <tomasz1.jankowski at intel.com>
> 
> As this is first ioctl in the series, the patch also adds common bits for
> remaining ioctls

Again, please read the documentation for what to do here, this is not
helpful at all.

> +int gna_getparam_ioctl(struct drm_device *dev, void *data,
> +		struct drm_file *file)
> +{
> +	struct gna_device *gna_priv = to_gna_device(dev);
> +	union gna_parameter *param = data;
> +
> +	return gna_getparam(gna_priv, param);

Wrong error value returned if you have an invalid ioctl :(

greg k-h