linux-kernel - Re: [PATCH 4/9] selinux: enclose macro arguments in parenthesis

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Message-ID: <CAHC9VhRb3bcFVG3ZGgnqDXx0RizSVh6Vxjh88ytkhO-gu+o14w@mail.gmail.com>
Date:   Wed, 26 Jan 2022 15:16:36 -0500
From:   Paul Moore <paul@...l-moore.com>
To:     Christian Göttsche <cgzones@...glemail.com>
Cc:     selinux@...r.kernel.org,
        Stephen Smalley <stephen.smalley.work@...il.com>,
        Eric Paris <eparis@...isplace.org>,
        Nathan Chancellor <nathan@...nel.org>,
        Nick Desaulniers <ndesaulniers@...gle.com>,
        Xiong Zhenwu <xiong.zhenwu@....com.cn>,
        Tyler Hicks <tyhicks@...ux.microsoft.com>,
        Ondrej Mosnacek <omosnace@...hat.com>,
        Xiu Jianfeng <xiujianfeng@...wei.com>,
        Jeff Vander Stoep <jeffv@...gle.com>,
        linux-kernel@...r.kernel.org, llvm@...ts.linux.dev
Subject: Re: [PATCH 4/9] selinux: enclose macro arguments in parenthesis

On Tue, Jan 25, 2022 at 9:14 AM Christian Göttsche
<cgzones@...glemail.com> wrote:
>
> Enclose the macro arguments in parenthesis to avoid potential evaluation
> order issues.
>
> Note the xperm and ebitmap macros are still not side-effect safe due to
> double evaluation.
>
> Reported by clang-tidy [bugprone-macro-parentheses]
>
> Signed-off-by: Christian Göttsche <cgzones@...glemail.com>
> ---
>  security/selinux/include/security.h | 4 ++--
>  security/selinux/ss/ebitmap.h       | 6 +++---
>  security/selinux/ss/sidtab.c        | 4 ++--
>  3 files changed, 7 insertions(+), 7 deletions(-)

Merged, thanks.

-- 
paul-moore.com