[patch] drm/i915: use _safe version of list_for_each

[Chris Wilson]

On Mon, Aug 19, 2013 at 09:53:23AM +0300, Dan Carpenter wrote:
> We sometimes call i915_vma_unbind() inside the loop and that can free
> the vma.

Oh. That is bad. The vma needs to be pinned here to prevent it being freed as
otherwise we lose track of it during the execbuffer.
Ben?
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre