From mboxrd@z Thu Jan  1 00:00:00 1970
From: Ian Romanick <idr@freedesktop.org>
Subject: Re: [PATCH 06/13] drm/mgag200: Remove unecessary NULL check in
 gem_free
Date: Mon, 07 Apr 2014 08:26:18 -0700
Message-ID: <5342C39A.2080209@freedesktop.org>
References: <1396691102-22904-1-git-send-email-daniel.vetter@ffwll.ch>
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To: Daniel Vetter <daniel.vetter@ffwll.ch>, DRI Development <dri-devel@lists.freedesktop.org>
Cc: Dave Jones <davej@redhat.com>
List-Id: dri-devel@lists.freedesktop.org

On 04/05/2014 02:44 AM, Daniel Vetter wrote:
> The ->gem_free_object never gets called with a NULL pointer, the check
> is redundant. Also checking after the upcast allows compilers to elide
> it anyway.
> 
> Spotted by coverity.
> 
> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

Same as MGA change.

Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>

> ---
>  drivers/gpu/drm/ast/ast_main.c | 2 --
>  1 file changed, 2 deletions(-)
> 
> diff --git a/drivers/gpu/drm/ast/ast_main.c b/drivers/gpu/drm/ast/ast_main.c
> index 38941a656312..01bf9e730acf 100644
> --- a/drivers/gpu/drm/ast/ast_main.c
> +++ b/drivers/gpu/drm/ast/ast_main.c
> @@ -418,8 +418,6 @@ void ast_gem_free_object(struct drm_gem_object *obj)
>  {
>  	struct ast_bo *ast_bo = gem_to_ast_bo(obj);
>  
> -	if (!ast_bo)
> -		return;
>  	ast_bo_unref(&ast_bo);
>  }
>  
>