[PATCH] drm: Restore drm_file->is_master

[Dave Airlie]

On 8 August 2014 02:00, David Herrmann <dh.herrmann at gmail.com> wrote:
> Hi
>
> On Thu, Aug 7, 2014 at 3:04 PM, Chris Wilson <chris at chris-wilson.co.uk> wrote:
>> Despite the claims of
>>
>> commit 48ba813701eb14b3008edefef4a0789b328e278c
>> Author: David Herrmann <dh.herrmann at gmail.com>
>> Date:   Tue Jul 22 18:46:09 2014 +0200
>>
>>     drm: drop redundant drm_file->is_master
>>
>> drm_file->is_master is not synomous with having drm_file->master ==
>> drm_file->minor->master. This is because drm_file->master is the same
>> for all drm_files of the same generation and so when there is a master,
>> every drm_file believes itself to be the master. Confusion ensues and
>> things go pear shaped when one file is closed and there is no master
>> anymore.
>
> Uagh, embarrassing. A revert is fine with me, but I'll try to review
> your patch once I get home.
>

At this point I'll just revert, though I do like the wrapper instead
of checking the flag,
but its late in the day.

Dave.