[PATCH v2] drm/i915/selftests: avoid using uninitialized context

[Krzysztof Karas]

I sent an earlier version of this patch by mistake (it includes
indentation errors) - I apologize for that, will fix this in v3
later. Sorry for the noise.

Krzysztof

On 2025-01-28 at 12:53:44 +0000, Krzysztof Karas wrote:
> There is an error path in igt_ppgtt_alloc(), which leads to ww
> object being passed down to i915_gem_ww_ctx_fini() without
> initialization. Correct that by putting ppgtt->vm and returning
> early.
> 
> Fixes: 480ae79537b2 ("drm/i915/selftests: Prepare gtt tests for obj->mm.lock removal")
> Signed-off-by: Krzysztof Karas <krzysztof.karas at intel.com>
>