[patch] drm/layerscape: fix a signedness bug

[Andrzej Hajda]

Hi,

I have posted the same patch yesterday [1].

http://permalink.gmane.org/gmane.comp.video.dri.devel/136945

Regards
Andrzej

On 09/22/2015 02:31 PM, Dan Carpenter wrote:
> "index" needs to be signed for the error handling to work.  Really "ret"
> should be an int as well.
> 
> Fixes: 109eee2f2a18 ('drm/layerscape: Add Freescale DCU DRM driver')
> Signed-off-by: Dan Carpenter <dan.carpenter at oracle.com>
> 
> diff --git a/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_plane.c b/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_plane.c
> index 82be6b8..d1e300d 100644
> --- a/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_plane.c
> +++ b/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_plane.c
> @@ -58,7 +58,8 @@ static void fsl_dcu_drm_plane_atomic_disable(struct drm_plane *plane,
>  					     struct drm_plane_state *old_state)
>  {
>  	struct fsl_dcu_drm_device *fsl_dev = plane->dev->dev_private;
> -	unsigned int index, value, ret;
> +	unsigned int value;
> +	int index, ret;
>  
>  	index = fsl_dcu_drm_plane_index(plane);
>  	if (index < 0)
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