Re: [PATCH 1/4] GPU-DRM-Etnaviv: Delete unnecessary checks before two function calls

[Sean Paul]

On Fri, Jul 22, 2016 at 11:47 AM, SF Markus Elfring
<elfring@xxxxxxxxxxxxxxxxxxxxx> wrote:
> From: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
> Date: Fri, 22 Jul 2016 15:56:15 +0200
>
> The functions drm_gem_object_unreference_unlocked() and vunmap() perform
> also input parameter validation.
> Thus the tests around their calls are not needed.
>
> This issue was detected by using the Coccinelle software.
>
> Signed-off-by: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>

Applied to drm-misc. In the future, could you please format your
subjects starting with "drm/<driver>"? I've fixed this one and the
next, but it'd be nice not to have to do that going forward.

> ---
>  drivers/gpu/drm/etnaviv/etnaviv_gem.c | 7 ++-----
>  1 file changed, 2 insertions(+), 5 deletions(-)
>
> diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gem.c b/drivers/gpu/drm/etnaviv/etnaviv_gem.c
> index 8c6f750..8eee742 100644
> --- a/drivers/gpu/drm/etnaviv/etnaviv_gem.c
> +++ b/drivers/gpu/drm/etnaviv/etnaviv_gem.c
> @@ -535,8 +535,7 @@ void etnaviv_gem_describe_objects(struct etnaviv_drm_private *priv,
>
>  static void etnaviv_gem_shmem_release(struct etnaviv_gem_object *etnaviv_obj)
>  {
> -       if (etnaviv_obj->vaddr)
> -               vunmap(etnaviv_obj->vaddr);
> +       vunmap(etnaviv_obj->vaddr);
>         put_pages(etnaviv_obj);
>  }
>
> @@ -670,9 +669,7 @@ static struct drm_gem_object *__etnaviv_gem_new(struct drm_device *dev,
>         return obj;
>
>  fail:
> -       if (obj)
> -               drm_gem_object_unreference_unlocked(obj);
> -
> +       drm_gem_object_unreference_unlocked(obj);
>         return ERR_PTR(ret);
>  }
>
> --
> 2.9.2
>
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