linux-kernel - Re: [PATCH] apparmor: remove unused label

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Message-ID: <CAGXu5jJpuPuu+QYhzGc3MbVU7zL0kWfGMOQRf7zg++8WX4TMgw@mail.gmail.com>
Date:   Thu, 23 Aug 2018 07:21:10 -0700
From:   Kees Cook <keescook@...omium.org>
To:     Arnd Bergmann <arnd@...db.de>
Cc:     John Johansen <john.johansen@...onical.com>,
        James Morris <jmorris@...ei.org>,
        "Serge E. Hallyn" <serge@...lyn.com>,
        Seth Arnold <seth.arnold@...onical.com>,
        Matthew Garrett <mjg59@...gle.com>,
        linux-security-module <linux-security-module@...r.kernel.org>,
        LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] apparmor: remove unused label

On Thu, Aug 23, 2018 at 7:09 AM, Arnd Bergmann <arnd@...db.de> wrote:
> After the corresponding 'goto' was removed, we get a warning
> for the 'fail' label:
>
> security/apparmor/policy_unpack.c: In function 'unpack_dfa':
> security/apparmor/policy_unpack.c:426:1: error: label 'fail' defined but not used [-Werror=unused-label]
>
> Fixes: fb5841091f28 ("apparmor: remove no-op permission check in policy_unpack")
> Signed-off-by: Arnd Bergmann <arnd@...db.de>

Reviewed-by: Kees Cook <keescook@...omium.org>

-Kees

> ---
>  security/apparmor/policy_unpack.c | 1 -
>  1 file changed, 1 deletion(-)
>
> diff --git a/security/apparmor/policy_unpack.c b/security/apparmor/policy_unpack.c
> index 3647b5834ace..96d8cf68ce65 100644
> --- a/security/apparmor/policy_unpack.c
> +++ b/security/apparmor/policy_unpack.c
> @@ -423,7 +423,6 @@ static struct aa_dfa *unpack_dfa(struct aa_ext *e)
>
>         return dfa;
>
> -fail:
>         aa_put_dfa(dfa);
>         return ERR_PTR(-EPROTO);
>  }
> --
> 2.18.0
>



-- 
Kees Cook
Pixel Security