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RE: [PATCH v3] migration/block-dirty-bitmap: fix uninitialized variable


From: Chenqun (kuhn)
Subject: RE: [PATCH v3] migration/block-dirty-bitmap: fix uninitialized variable warning
Date: Tue, 20 Oct 2020 07:36:01 +0000

Ping!

Hello,

  Maybe this patch, some people have any other suggestions?   Or, maybe missed 
to queue?

Thanks,
Chen Qun

> -----Original Message-----
> From: Vladimir Sementsov-Ogievskiy [mailto:vsementsov@virtuozzo.com]
> Sent: Wednesday, October 14, 2020 11:56 PM
> To: Chenqun (kuhn) <kuhn.chenqun@huawei.com>; qemu-devel@nongnu.org;
> qemu-trivial@nongnu.org
> Cc: mreitz@redhat.com; stefanha@redhat.com; fam@euphon.net;
> eblake@redhat.com; jsnow@redhat.com; quintela@redhat.com;
> dgilbert@redhat.com; Zhanghailiang <zhang.zhanghailiang@huawei.com>;
> ganqixin <ganqixin@huawei.com>; qemu-block@nongnu.org; Euler Robot
> <euler.robot@huawei.com>; Laurent Vivier <laurent@vivier.eu>; Li Qiang
> <liq3ea@gmail.com>
> Subject: Re: [PATCH v3] migration/block-dirty-bitmap: fix uninitialized 
> variable
> warning
> 
> 14.10.2020 14:44, Chen Qun wrote:
> > A default value is provided for the variable 'bitmap_name' to avoid compiler
> warning.
> >
> > The compiler show warning:
> > migration/block-dirty-bitmap.c:1090:13: warning: ‘bitmap_name’
> > may be used uninitialized in this function [-Wmaybe-uninitialized]
> >         g_strlcpy(s->bitmap_name, bitmap_name,
> sizeof(s->bitmap_name));
> >
> ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> >
> > Reported-by: Euler Robot<euler.robot@huawei.com>
> > Signed-off-by: Chen Qun<kuhn.chenqun@huawei.com>
> 
> Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
> 
> --
> Best regards,
> Vladimir

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