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

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Date:   Tue, 12 Feb 2019 19:54:41 -0600
From:   "Gustavo A. R. Silva" <gustavo@...eddedor.com>
To:     Paul Moore <paul@...l-moore.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 2/12/19 7:19 PM, Paul Moore wrote:
> 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.
> 

Thanks, Paul.

--
Gustavo