linux-kernel - Re: [PATCH] audit: avoid -Wempty-body warning

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Message-ID: <CAK8P3a2NkB7COUetdq65cSNjVe7-96c44=4JE5BXkBwXG-5nyQ@mail.gmail.com>
Date:   Mon, 22 Mar 2021 17:28:01 +0100
From:   Arnd Bergmann <arnd@...nel.org>
To:     Richard Guy Briggs <rgb@...hat.com>
Cc:     Paul Moore <paul@...l-moore.com>, Eric Paris <eparis@...hat.com>,
        Jules Irenge <jbi.octave@...il.com>, linux-audit@...hat.com,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] audit: avoid -Wempty-body warning

On Mon, Mar 22, 2021 at 3:33 PM Richard Guy Briggs <rgb@...hat.com> wrote:

> > Change the macros to use the usual "do { } while (0)" instead, and change a
> > few more that were (void)0, for consistency.
>
> So what about audit_put_watch() and audit_get_watch() which are set to
> {}?   (And all of include/linux/audit.h that uses the latter...)  Does
> this only matter if they are the only action called in an if or loop?
>

I missed those, thanks for pointing it out. I sent a v2 patch now.

         Arnd