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Re: [Qemu-devel] [RFC 00/14]: add printf-like human msg to error_set()

From: Kevin Wolf
Subject: Re: [Qemu-devel] [RFC 00/14]: add printf-like human msg to error_set()
Date: Thu, 26 Jul 2012 11:45:49 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:13.0) Gecko/20120605 Thunderbird/13.0

Am 26.07.2012 04:43, schrieb Anthony Liguori:
> Luiz Capitulino <address@hidden> writes:
>> Basically, this series changes a call like:
>>  error_set(errp, QERR_DEVICE_NOT_FOUND, device);
>> to:
>>  error_set(errp, QERR_DEVICE_NOT_FOUND,
>>            "Device 'device=%s' not found", device);
>> In the first call, QERR_DEVICE_NOT_FOUND is a string containing a json dict:
>>     "{ 'class': 'DeviceNotFound', 'data': { 'device': %s } }"
> This is the wrong direction.  Looking through the patch, this makes the
> code much more redundant overall.  You have dozens of calls that are
> duplicating the same error message.  This is not progress.

I believe this is mostly because it's a mechanical conversion. Once this
is done, we can change error messages to better fit the individual cases.

> We should just stick with a simple QERR_GENERIC and call it a day.
> Let's not needlessly complicate existing code.

Why even have error codes when everything should become QERR_GENERIC? Or
am I misunderstanding?


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