linux-kernel - Re: [PATCH] audit: mark expected switch fall-through

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Message-ID: <CAHC9VhQfru298ZbEDwEqj0+YRAYoAGhAVHEtSo3KBW1kKLputw@mail.gmail.com>
Date:   Tue, 12 Feb 2019 20:19:44 -0500
From:   Paul Moore <paul@...l-moore.com>
To:     "Gustavo A. R. Silva" <gustavo@...eddedor.com>
Cc:     Eric Paris <eparis@...hat.com>, linux-audit@...hat.com,
        linux-kernel@...r.kernel.org, Kees Cook <keescook@...omium.org>
Subject: Re: [PATCH] audit: mark expected switch fall-through

On Tue, Feb 12, 2019 at 3:46 PM Gustavo A. R. Silva
<gustavo@...eddedor.com> wrote:
> In preparation to enabling -Wimplicit-fallthrough, mark switch
> cases where we are expecting to fall through.
>
> This patch fixes the following warning:
>
> kernel/auditfilter.c: In function ‘audit_krule_to_data’:
> kernel/auditfilter.c:668:7: warning: this statement may fall through [-Wimplicit-fallthrough=]
>     if (krule->pflags & AUDIT_LOGINUID_LEGACY && !f->val) {
>        ^
> kernel/auditfilter.c:674:3: note: here
>    default:
>    ^~~~~~~
>
> Warning level 3 was used: -Wimplicit-fallthrough=3
>
> Notice that, in this particular case, the code comment is modified
> in accordance with what GCC is expecting to find.
>
> This patch is part of the ongoing efforts to enable
> -Wimplicit-fallthrough.
>
> Signed-off-by: Gustavo A. R. Silva <gustavo@...eddedor.com>
> ---
>  kernel/auditfilter.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)

Merged into audit/next, thanks.

-- 
paul moore
www.paul-moore.com