[PATCH] drm/mgag200: Delete an unnecessary check before drm_gem_object_unreference_unlocked()

[Sean Paul]

On Fri, Jul 22, 2016 at 5:32 AM, SF Markus Elfring
<elfring at users.sourceforge.net> wrote:
> From: Markus Elfring <elfring at users.sourceforge.net>
> Date: Fri, 22 Jul 2016 11:20:27 +0200
>
> The drm_gem_object_unreference_unlocked() function tests whether
> its argument is NULL and then returns immediately.
> Thus the test around the call is not needed.
>
> This issue was detected by using the Coccinelle software.
>
> Signed-off-by: Markus Elfring <elfring at users.sourceforge.net>

Applied to drm-misc

> ---
>  drivers/gpu/drm/mgag200/mgag200_main.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/mgag200/mgag200_main.c b/drivers/gpu/drm/mgag200/mgag200_main.c
> index 615cbb0..13798b3 100644
> --- a/drivers/gpu/drm/mgag200/mgag200_main.c
> +++ b/drivers/gpu/drm/mgag200/mgag200_main.c
> @@ -17,8 +17,8 @@
>  static void mga_user_framebuffer_destroy(struct drm_framebuffer *fb)
>  {
>         struct mga_framebuffer *mga_fb = to_mga_framebuffer(fb);
> -       if (mga_fb->obj)
> -               drm_gem_object_unreference_unlocked(mga_fb->obj);
> +
> +       drm_gem_object_unreference_unlocked(mga_fb->obj);
>         drm_framebuffer_cleanup(fb);
>         kfree(fb);
>  }
> --
> 2.9.2
>
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