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Re: [Qemu-devel] [PATCH v2 3/3] vmdk: Switch to heap arrays for vmdk_par
From: |
Fam Zheng |
Subject: |
Re: [Qemu-devel] [PATCH v2 3/3] vmdk: Switch to heap arrays for vmdk_parent_open |
Date: |
Thu, 10 Mar 2016 09:53:56 +0800 |
User-agent: |
Mutt/1.5.21 (2010-09-15) |
On Wed, 03/09 10:50, Kevin Wolf wrote:
> Am 09.03.2016 um 01:43 hat Fam Zheng geschrieben:
> > On Tue, 03/08 16:24, Fam Zheng wrote:
> > > Signed-off-by: Fam Zheng <address@hidden>
> > > ---
> > > block/vmdk.c | 17 +++++++++++------
> > > 1 file changed, 11 insertions(+), 6 deletions(-)
> > >
> > > diff --git a/block/vmdk.c b/block/vmdk.c
> > > index c68f456..03be7f0 100644
> > > --- a/block/vmdk.c
> > > +++ b/block/vmdk.c
> > > @@ -343,15 +343,16 @@ static int vmdk_reopen_prepare(BDRVReopenState
> > > *state,
> > > static int vmdk_parent_open(BlockDriverState *bs)
> > > {
> > > char *p_name;
> > > - char desc[DESC_SIZE + 1];
> > > + char *desc;
> > > BDRVVmdkState *s = bs->opaque;
> > > int ret;
> > >
> > > - desc[DESC_SIZE] = '\0';
> > > + desc = g_malloc0(DESC_SIZE + 1);
> > > ret = bdrv_pread(bs->file->bs, s->desc_offset, desc, DESC_SIZE);
> > > if (ret < 0) {
> > > - return ret;
> > > + goto out;
> > > }
> > > + ret = 0;
> >
> > Kevin, were you referring to this "ret = 0" in the cover letter? If so, it
> > is
> > not useless, because ret was set to DESC_SIZE by bdrv_pread. :)
>
> Nope, I meant the initialisation in patch 1.
You're right.
Fam