[Intel-gfx] [patch 2/2] drm/i915: use after free on error path

Daniel Vetter daniel at ffwll.ch
Fri Jul 19 09:01:04 CEST 2013


On Fri, Jul 19, 2013 at 08:46:27AM +0300, Dan Carpenter wrote:
> i915_gem_vma_destroy() frees its argument so we have to move the
> drm_mm_remove_node() call up a few lines.
> 
> Signed-off-by: Dan Carpenter <dan.carpenter at oracle.com>

Both applied, thanks for the patches.
-Daniel

> 
> diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
> index 9a9a77a..f347ad5 100644
> --- a/drivers/gpu/drm/i915/i915_gem.c
> +++ b/drivers/gpu/drm/i915/i915_gem.c
> @@ -3161,9 +3161,9 @@ search_free:
>  	return 0;
>  
>  err_out:
> +	drm_mm_remove_node(&vma->node);
>  	i915_gem_vma_destroy(vma);
>  	i915_gem_object_unpin_pages(obj);
> -	drm_mm_remove_node(&vma->node);
>  	return ret;
>  }
>  

-- 
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch



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