[Patches] Preparation for tevent impersonation (part1)

[Stefan Metzmacher]

Hi David,

>> TALLOC_FREE(frame);
>>
>> change in make_simple_acl(). Having said that
>> the stackframe handling in make_simple_acl()
>> was utterly broken before that anyway (it
>> created a new stackframe that was left
>> hanging around on exit from the function).
> 
> Talloc stackframe handling is broken in many of places, unfortunately.
> Continuing to use it for event based async code will only lead to more
> problems in future IMO.

For async code we always have the 'state' variable to use for temporary
memory, so we don't need talloc_stackframes...

metze


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