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From: Stefan Weil <sw@weilnetz.de>
To: Markus Armbruster <armbru@redhat.com>
Cc: qemu-trivial <qemu-trivial@nongnu.org>,
	Michael Tokarev <mjt@tls.msk.ru>,
	qemu-devel <qemu-devel@nongnu.org>
Subject: Re: [Qemu-devel] [Qemu-trivial] [PATCH] migration: Fix compiler warning ('caps' may be used uninitialized)
Date: Mon, 30 Sep 2013 22:53:33 +0200	[thread overview]
Message-ID: <5249E4CD.1050605@weilnetz.de> (raw)
In-Reply-To: <871u46iq96.fsf@blackfin.pond.sub.org>

Am 30.09.2013 11:59, schrieb Markus Armbruster:
> Stefan Weil <sw@weilnetz.de> writes:
>> Am 29.09.2013 22:13, schrieb Michael Tokarev:
>>> 29.09.2013 19:41, Stefan Weil wrote:
>>>> The QEMU buildbot default_i386_debian_6_0 shows this warning:
>>>>
>>>>    CC    migration.o
>>>> migration.c: In function 'qmp_query_migrate_capabilities':
>>>> migration.c:149: warning:
>>>>   'caps' may be used uninitialized in this function
>>> Gah, how disgusting.  The code is correct, yet gcc complains
>>> needlessly...
>> That's not the first time where we help the compiler by modifying the code.
> It's also not the first time where attempting to "help" the compiler
> made code less readable, or even less correct.  So let's be just as
> careful as with "real" changes.

Well, I try to do my best. ;-)

Is there anything wrong with my patch? I think the code looks cleaner
than before.

If there is a better way to fix the problem that's fine, too.

The problem withthe buildbot showing a compiler warning exists and we
should fix it somehow.

Regards,
Stefan

  reply	other threads:[~2013-09-30 20:53 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-09-29 15:41 [Qemu-devel] [PATCH] migration: Fix compiler warning ('caps' may be used uninitialized) Stefan Weil
2013-09-29 20:13 ` [Qemu-devel] [Qemu-trivial] " Michael Tokarev
2013-09-29 20:33   ` Stefan Weil
2013-09-30  9:59     ` Markus Armbruster
2013-09-30 20:53       ` Stefan Weil [this message]
2013-10-01  8:07         ` Markus Armbruster
2013-10-02 19:02         ` Michael Tokarev
2013-10-02 20:24           ` Stefan Weil
2013-10-03  8:13             ` Paolo Bonzini
2013-10-05  9:15               ` Michael Tokarev
2013-10-05  9:19                 ` Michael Tokarev
2013-10-05  9:36                   ` Stefan Weil
2013-10-01 11:39 ` [Qemu-devel] " Paolo Bonzini

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