[PATCH] drm/nouveau/disp: Use NULL for pointers

[Thierry Reding]

On Mon, Jul 21, 2014 at 02:02:58PM +0200, Thierry Reding wrote:
> From: Thierry Reding <treding at nvidia.com>
> 
> The return type of exec_lookup() is struct nvkm_output *, so it should
> return NULL rather than 0.
> 
> Signed-off-by: Thierry Reding <treding at nvidia.com>
> ---
>  drivers/gpu/drm/nouveau/core/engine/disp/nvd0.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/nouveau/core/engine/disp/nvd0.c b/drivers/gpu/drm/nouveau/core/engine/disp/nvd0.c
> index fa30d8196f35..ebf64e1d0a70 100644
> --- a/drivers/gpu/drm/nouveau/core/engine/disp/nvd0.c
> +++ b/drivers/gpu/drm/nouveau/core/engine/disp/nvd0.c
> @@ -939,7 +939,7 @@ exec_lookup(struct nv50_disp_priv *priv, int head, int or, u32 ctrl,
>  		case 0x00000900: type = DCB_OUTPUT_DP; mask = 2; break;
>  		default:
>  			nv_error(priv, "unknown SOR mc 0x%08x\n", ctrl);
> -			return 0x0000;
> +			return NULL;
>  		}
>  	}
>  

Ping?

Thierry
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