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From: Paolo Bonzini <pbonzini@redhat.com>
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Date: Wed, 13 Apr 2016 09:38:14 +0200
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Subject: Re: [Qemu-devel] Fwd: [PATCH v2 2/5] Change return type of
 functions that are named *_exit or *_exitfn in hw/char from int to void
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To: Markus Armbruster <armbru@redhat.com>
Cc: Nutan Shinde <nutanshinde1992@gmail.com>, QEMU Developers <qemu-devel@nongnu.org>



On 13/04/2016 08:33, Markus Armbruster wrote:
> * Look for functions that are named *_exit or *_exitfn in hw/ and that
>   return int.  They should all return zero.  Make them return void, and
>   remove the checks for the callers.

      ... and change the exit method to "void fn(void)"

> * Once the above change is done, remove the "Error **" argument from
>   functions named *_unrealize in hw/

     ... same for the unrealize method.

> Added by Paolo on 2014-12-03.  These tasks don't make sense to me.
> Paolo, can you explain?

The exit functions always return zero, the unrealize functions never
touch the Error** argument.  So make both of them "void fn(void)" and
remove the difference between exit and unrealize.

Paolo