Re: [Qemu-devel] [RFC PATCH] qemu-socket: Use local error variable

[Laszlo Ersek <lersek@redhat.com>]

On 03/15/13 09:37, Kevin Wolf wrote:
> Am 14.03.2013 um 16:52 hat Laszlo Ersek geschrieben:
>> On 03/14/13 15:57, Kevin Wolf wrote:
>>> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
>>> ---
>>> After rebasing this I saw that Anthony already committed a fix that is
>>> very close to my v1. I don't intend to actually change that code, but as
>>> I've already done this, just for comparison what it would look like with
>>> error propagation. Is this what you meant? I find the result more
>>> confusing, to be honest.
>>
>> I think what I had in mind was:
>> - I was okay with the logic change you suggested in your v1, just
>> - turn *errp accesses into local_err accesses,
>> - when returning, propagate the latter to the former.
>>
>> The logic seemed OK, I just suggested to keep the massage internal to
>> the function, only try to propagate it outwards at return time. IOW,
>> never read *errp.
> 
> So you would have used my local_err, but not ret_err?

Something like that, yes.

> I don't think that
> would make it much better,

Not contesting that ;)

> ret_err is actually the nice part.

Anyway I'm not feeling strongly about this and I don't want to waste
your time with it. It was just a note in passing. (... Which I should
probably refrain from, lest I waste people's time.)

L.