From: serge@hallyn.com (Serge E. Hallyn)
To: linux-security-module@vger.kernel.org
Subject: [PATCH] apparmor: Fix shadowed local variable in unpack_trans_table()
Date: Thu, 6 Jul 2017 08:44:28 -0500 [thread overview]
Message-ID: <20170706134428.GA19254@mail.hallyn.com> (raw)
In-Reply-To: <1499331381-32753-1-git-send-email-geert@linux-m68k.org>
Quoting Geert Uytterhoeven (geert at linux-m68k.org):
> with W=2:
>
> security/apparmor/policy_unpack.c: In function ?unpack_trans_table?:
> security/apparmor/policy_unpack.c:469: warning: declaration of ?pos? shadows a previous local
> security/apparmor/policy_unpack.c:451: warning: shadowed declaration is here
>
> Rename the old "pos" to "saved_pos" to fix this.
>
> Fixes: 5379a3312024a8be ("apparmor: support v7 transition format compatible with label_parse")
> Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Reviewed-by: Serge Hallyn <serge@hallyn.com>
> ---
> security/apparmor/policy_unpack.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/security/apparmor/policy_unpack.c b/security/apparmor/policy_unpack.c
> index c600f4dd1783252a..2d5a1a007b062a73 100644
> --- a/security/apparmor/policy_unpack.c
> +++ b/security/apparmor/policy_unpack.c
> @@ -448,7 +448,7 @@ static struct aa_dfa *unpack_dfa(struct aa_ext *e)
> */
> static bool unpack_trans_table(struct aa_ext *e, struct aa_profile *profile)
> {
> - void *pos = e->pos;
> + void *saved_pos = e->pos;
>
> /* exec table is optional */
> if (unpack_nameX(e, AA_STRUCT, "xtable")) {
> @@ -511,7 +511,7 @@ static bool unpack_trans_table(struct aa_ext *e, struct aa_profile *profile)
>
> fail:
> aa_free_domain_entries(&profile->file.trans);
> - e->pos = pos;
> + e->pos = saved_pos;
> return 0;
> }
>
> --
> 2.7.4
--
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next prev parent reply other threads:[~2017-07-06 13:44 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-07-06 8:56 [PATCH] apparmor: Fix shadowed local variable in unpack_trans_table() Geert Uytterhoeven
2017-07-06 13:44 ` Serge E. Hallyn [this message]
2017-07-06 15:50 ` John Johansen
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