On Wed, Dec 14, 2016 at 3:44 PM, Jani Nikula
<jani.nikula@xxxxxxxxxxxxxxx> wrote:
> On Wed, 14 Dec 2016, Daniel Vetter <daniel.vetter@xxxxxxxx> wrote:
>> diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
>> index 20bc04d5e617..7e25a7fffb1c 100644
>> --- a/drivers/gpu/drm/i915/i915_drv.h
>> +++ b/drivers/gpu/drm/i915/i915_drv.h
>> @@ -481,6 +481,9 @@ struct i915_hotplug {
>> &(dev)->mode_config.connector_list, \
>> base.head)
>>
>> +#define for_each_intel_connector_iter(intel_connector, iter) \
>> + while ((intel_connector = to_intel_connector(drm_connector_list_iter_next(iter))))
>
> I occasionally worry about us relying on the base struct always being
> the first member. We don't even document this requirement anywhere.
In the cases where we misplaced the base struct we fixed up our to_foo
cast macros to correctly cast NULL pointers. Anything else just goes
boom sooner or later ...
-Daniel
--
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch
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