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From: "Andreas Färber" <afaerber@suse.de>
To: "Michael S. Tsirkin" <mst@redhat.com>
Cc: Christian Borntraeger <borntraeger@de.ibm.com>,
	Marcel Apfelbaum <marcel.a@redhat.com>,
	"qemu-devel@nongnu.org" <qemu-devel@nongnu.org>,
	Peter Maydell <peter.maydell@linaro.org>
Subject: Re: [Qemu-devel] [PATCHv2] vl.c: Fix memory leak in qemu_register_machine
Date: Wed, 19 Mar 2014 21:01:16 +0100	[thread overview]
Message-ID: <5329F78C.9020601@suse.de> (raw)
In-Reply-To: <20140319132148.GA27827@redhat.com>

Am 19.03.2014 14:21, schrieb Michael S. Tsirkin:
> On Wed, Mar 19, 2014 at 12:24:27PM +0100, Christian Borntraeger wrote:
>> since commit 261747f176f6 (vl: Use MachineClass instead of global
>> QEMUMachine list) valgrind complains about the following:
>>
>> ==54082== 57 bytes in 3 blocks are definitely lost in loss record 365 of
>> 729
>> ==54082==    at 0x4031AFE: malloc (vg_replace_malloc.c:292)
>> ==54082==    by 0x4145569: g_malloc (in
>> /usr/lib64/libglib-2.0.so.0.3400.2)
>> ==54082==    by 0x415F9E9: g_strconcat (in
>> /usr/lib64/libglib-2.0.so.0.3400.2)
>> ==54082==    by 0x80157FE7: qemu_register_machine (vl.c:1597)
>> ==54082==    by 0x80208E6B: module_call_init (module.c:105)
>> ==54082==    by 0x80013B91: main (vl.c:3000)
>>
>> Turns out that valgrind is right. We simply forget the memory that
>> g_strconcat has allocated. Lets free it after the type_register.
>> We need a 2nd variable due to constness of the name part of the
>> type structure.
>>
>> Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
> 
> Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
> 
> Andreas can you pick this up pls?

I already had - updated with your Rb now.

Thanks,
Andreas

-- 
SUSE LINUX Products GmbH, Maxfeldstr. 5, 90409 Nürnberg, Germany
GF: Jeff Hawn, Jennifer Guild, Felix Imendörffer; HRB 16746 AG Nürnberg

      reply	other threads:[~2014-03-19 20:01 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-03-19 11:24 [Qemu-devel] [PATCHv2] vl.c: Fix memory leak in qemu_register_machine Christian Borntraeger
2014-03-19 12:10 ` Andreas Färber
2014-03-19 13:21 ` Michael S. Tsirkin
2014-03-19 20:01   ` Andreas Färber [this message]

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