Re: [PATCH RESEND] drm/ast: free correct pointer in astfb_create() error paths

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On Mon, Nov 14, 2016 at 02:03:59PM +1100, Andrew Donnellan wrote:
> In the err_free_vram and err_release_fbi error paths in astfb_create(), we
> attempt to free afbdev->sysram. The only jumps to these error paths occur
> before we assign afbdev->sysram = sysram. Free sysram instead.
> 
> Signed-off-by: Andrew Donnellan <andrew.donnellan@xxxxxxxxxxx>

Applied to drm-misc, thanks.
-Daniel

> 
> ---
> 
> Found by Coverity Scan. Compile tested only.
> ---
>  drivers/gpu/drm/ast/ast_fb.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/ast/ast_fb.c b/drivers/gpu/drm/ast/ast_fb.c
> index 7a86e24..d6f5ec6 100644
> --- a/drivers/gpu/drm/ast/ast_fb.c
> +++ b/drivers/gpu/drm/ast/ast_fb.c
> @@ -253,7 +253,7 @@ static int astfb_create(struct drm_fb_helper *helper,
>  err_release_fbi:
>  	drm_fb_helper_release_fbi(helper);
>  err_free_vram:
> -	vfree(afbdev->sysram);
> +	vfree(sysram);
>  	return ret;
>  }
>  
> -- 
> Andrew Donnellan              OzLabs, ADL Canberra
> andrew.donnellan@xxxxxxxxxxx  IBM Australia Limited
> 

-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch
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