From: Alexander Aring <aahringo@redhat.com>
To: Paulo Miguel Almeida <paulo.miguel.almeida.rodenas@gmail.com>
Cc: Christine Caulfield <ccaulfie@redhat.com>,
David Teigland <teigland@redhat.com>,
cluster-devel@redhat.com, linux-kernel@vger.kernel.org,
linux-hardening@vger.kernel.org
Subject: Re: [Cluster-devel] [PATCH v5] [next] dlm: replace one-element array with fixed size array
Date: Fri, 4 Nov 2022 13:50:38 -0400 [thread overview]
Message-ID: <CAK-6q+g37Ycmn5Etbj9Pk9iZXGCdyYc9pH18jowiS1DtTqp_EA@mail.gmail.com> (raw)
In-Reply-To: <Y2ScZqWnJKe7J6NR@mail.google.com>
Hi,
On Fri, Nov 4, 2022 at 1:00 AM Paulo Miguel Almeida
<paulo.miguel.almeida.rodenas@gmail.com> wrote:
>
> On Wed, Oct 12, 2022 at 09:23:14AM +1300, Paulo Miguel Almeida wrote:
> > One-element arrays are deprecated. So, replace one-element array with
> > fixed size array member in struct dlm_ls, and refactor the rest of the
> > code, accordingly.
> >
> > Link: https://github.com/KSPP/linux/issues/79
> > Link: https://github.com/KSPP/linux/issues/228
> > Link: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101836
> > Link: https://lore.kernel.org/lkml/Y0W5jkiXUkpNl4ap@mail.google.com/
> >
> > Signed-off-by: Paulo Miguel Almeida <paulo.miguel.almeida.rodenas@gmail.com>
> > ---
> > Changelog:
> >
> > v5: use preferred sizeof style. Req: Gustavo Silva
> > v4: resend patch using the right version number. Req: Gustavo Silva
> > v3: replace one-element array with a fixed size array. Req: Kees Cook
> > v2: patch resent as I had an issue with a <CRLF> char in my mail client
> > v1: https://lore.kernel.org/lkml/Y0ICbf8tCtXMn+W0@mail.google.com/
> > ---
> >
> > fs/dlm/dlm_internal.h | 2 +-
> > fs/dlm/lockspace.c | 2 +-
> > 2 files changed, 2 insertions(+), 2 deletions(-)
> >
> > diff --git a/fs/dlm/dlm_internal.h b/fs/dlm/dlm_internal.h
> > index e34c3d2639a5..94fadb619ba0 100644
> > --- a/fs/dlm/dlm_internal.h
> > +++ b/fs/dlm/dlm_internal.h
> > @@ -670,7 +670,7 @@ struct dlm_ls {
> > void *ls_ops_arg;
> >
> > int ls_namelen;
> > - char ls_name[1];
> > + char ls_name[DLM_LOCKSPACE_LEN + 1];
> > };
> >
> > /*
> > diff --git a/fs/dlm/lockspace.c b/fs/dlm/lockspace.c
> > index bae050df7abf..9479c8110979 100644
> > --- a/fs/dlm/lockspace.c
> > +++ b/fs/dlm/lockspace.c
> > @@ -473,7 +473,7 @@ static int new_lockspace(const char *name, const char *cluster,
> >
> > error = -ENOMEM;
> >
> > - ls = kzalloc(sizeof(struct dlm_ls) + namelen, GFP_NOFS);
> > + ls = kzalloc(sizeof(*ls), GFP_NOFS);
> > if (!ls)
> > goto out;
> > memcpy(ls->ls_name, name, namelen);
> > --
> > 2.37.3
> >
>
> Christine, David,
>
> Just following up on this patch. Is there anything that either of you
> want me change for this patch to be merged?
>
I think it's fine. I am working on DLM and the current upstream
process is more per release where I resend a huge patch-series to get
it upstream into dlm/next based on a recent rc... It just takes time.
Then your patch will of course be applied on.
- Alex
prev parent reply other threads:[~2022-11-04 17:51 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-10-08 23:17 [PATCH v2][next] dlm: Replace one-element array with flexible-array member Paulo Miguel Almeida
2022-10-09 0:18 ` Kees Cook
2022-10-09 2:05 ` Paulo Miguel Almeida
2022-10-09 4:03 ` Kees Cook
2022-10-10 21:00 ` David Teigland
2022-10-10 22:35 ` Kees Cook
2022-10-11 15:20 ` David Teigland
2022-10-11 18:44 ` Paulo Miguel Almeida
2022-10-11 20:04 ` [PATCH v4] [next] dlm: replace one-element array with fixed size array Paulo Miguel Almeida
2022-10-11 20:06 ` Kees Cook
2022-10-11 20:11 ` Paulo Miguel Almeida
2022-10-11 20:23 ` [PATCH v5] " Paulo Miguel Almeida
2022-10-11 20:26 ` Gustavo A. R. Silva
2022-10-11 22:18 ` Kees Cook
2022-11-04 5:00 ` Paulo Miguel Almeida
2022-11-04 17:50 ` Alexander Aring [this message]
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