Re: [PATCH] drm/stm: ltdc: fix warnings in ltdc_plane_create()

[Yannick FERTRE <yannick.fertre@xxxxxx>]

Hi Philippe,

Reviewed-by: Yannick Fertré <yannick.fertre@xxxxxx>


On 04/19/2018 03:28 PM, Philippe Cornu wrote:
> "make C=1" returns 2 warnings in ltdc_plane_create()
> ("Using plain integer as NULL pointer"). This patch
> fixes them.
> 
> Signed-off-by: Philippe Cornu <philippe.cornu@xxxxxx>
> ---
>   drivers/gpu/drm/stm/ltdc.c | 4 ++--
>   1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/gpu/drm/stm/ltdc.c b/drivers/gpu/drm/stm/ltdc.c
> index 616191fe98ae..d997a6014d6c 100644
> --- a/drivers/gpu/drm/stm/ltdc.c
> +++ b/drivers/gpu/drm/stm/ltdc.c
> @@ -860,13 +860,13 @@ static struct drm_plane *ltdc_plane_create(struct drm_device *ddev,
>   
>   	plane = devm_kzalloc(dev, sizeof(*plane), GFP_KERNEL);
>   	if (!plane)
> -		return 0;
> +		return NULL;
>   
>   	ret = drm_universal_plane_init(ddev, plane, possible_crtcs,
>   				       &ltdc_plane_funcs, formats, nb_fmt,
>   				       NULL, type, NULL);
>   	if (ret < 0)
> -		return 0;
> +		return NULL;
>   
>   	drm_plane_helper_add(plane, &ltdc_plane_helper_funcs);
>   
> 
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