[Intel-gfx] [PATCH] Fix pointer tests in error-handling paths

[Chris Wilson]

On Fri, Jan 22, 2016 at 01:17:44PM +0000, Tvrtko Ursulin wrote:
> 
> On 22/01/16 13:01, Chris Wilson wrote:
> >On Fri, Jan 22, 2016 at 12:19:32PM +0000, Dave Gordon wrote:
> >>In the error-handling paths of i915_gem_do_execbuffer() and
> >>intel_crtc_page_flip(), the local pointer-to-request variables
> >>were expected to be either valid pointers or NULL. Since
> >>
> >>   2682708 drm/i915: simplify allocation of driver-internal requests
> >>
> >>they could also be ERR_PTR() values, so the tests need to be
> >>updated to accommodate this case.
> >>
> >>Signed-off-by: Dave Gordon <david.s.gordon at intel.com>
> >>Cc: Tvrtko Ursulin <tvrtko.ursulin at intel.com>
> >
> >Quick quiz, name at least testcase that exercised this code?
> 
> gem_close_race did it for me, but can you explain the weird ERR_PTR
> of *ffca ? :)

-54

That's odd. gem_close_race should be a mix of ENOENT, EINVAL iirc.
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre