[Intel-gfx] [PATCH 05/29] drm/i915: prevent NULL pointer exception when using gmbus

[Chris Wilson]

On Fri, 13 Apr 2012 17:08:41 -0300, Eugeni Dodonov <eugeni.dodonov at intel.com> wrote:
> Prevent a NULL pointer exception when we are trying to retrieve EDID data
> from non-existent adapter.

This just means that a HDMI with a garbage ddc_bus is never detected.
Since we control ddc_bus entirely, it means that the initialisation is
completely bogus. Please fix the root cause and not paper over
programming bugs.
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre