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Date:   Thu, 24 Dec 2020 10:12:42 -0800
From:   Dan Williams <dan.j.williams@...el.com>
To:     Julia Lawall <julia.lawall@...ia.fr>
Cc:     Vishal Verma <vishal.l.verma@...el.com>,
        Dave Jiang <dave.jiang@...el.com>,
        Ira Weiny <ira.weiny@...el.com>,
        "Rafael J. Wysocki" <rjw@...ysocki.net>,
        Len Brown <lenb@...nel.org>,
        linux-nvdimm <linux-nvdimm@...ts.01.org>,
        Linux ACPI <linux-acpi@...r.kernel.org>,
        Denis Efremov <efremov@...ux.com>, kbuild-all@...ts.01.org,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] ACPI: NFIT: fix flexible_array.cocci warnings

On Tue, Dec 22, 2020 at 1:10 PM Julia Lawall <julia.lawall@...ia.fr> wrote:
>
> From: kernel test robot <lkp@...el.com>
>
> Zero-length and one-element arrays are deprecated, see
> Documentation/process/deprecated.rst
> Flexible-array members should be used instead.
>
> Generated by: scripts/coccinelle/misc/flexible_array.cocci
>
> Fixes: 7b36c1398fb6 ("coccinelle: misc: add flexible_array.cocci script")
> CC: Denis Efremov <efremov@...ux.com>
> Reported-by: kernel test robot <lkp@...el.com>
> Signed-off-by: kernel test robot <lkp@...el.com>
> Signed-off-by: Julia Lawall <julia.lawall@...ia.fr>

Hmm, this triggers:

drivers/acpi/nfit/core.c:2276:4: error: flexible array member in a
struct with no named members
drivers/acpi/nfit/core.c:2287:4: error: flexible array member in a
struct with no named members

$ gcc --version
gcc (GCC) 10.2.1 20201016 (Red Hat 10.2.1-6)

I'll need to circle back to this later.

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