linux-kernel - Re: [PATCH 37/46] selinux: Move an assignment for the variable "rc" in policydb_load

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Message-ID: <CAHC9VhRPBRp08pzpokHnEfqmEzrNaW2zq+RZD=CRRUdZwJdN6A@mail.gmail.com>
Date:   Wed, 29 Mar 2017 11:32:50 -0400
From:   Paul Moore <paul@...l-moore.com>
To:     SF Markus Elfring <elfring@...rs.sourceforge.net>
Cc:     linux-security-module@...r.kernel.org, selinux@...ho.nsa.gov,
        Eric Paris <eparis@...isplace.org>,
        James Morris <james.l.morris@...cle.com>,
        "Serge E. Hallyn" <serge@...lyn.com>,
        Stephen Smalley <sds@...ho.nsa.gov>,
        William Roberts <william.c.roberts@...el.com>,
        LKML <linux-kernel@...r.kernel.org>,
        kernel-janitors@...r.kernel.org
Subject: Re: [PATCH 37/46] selinux: Move an assignment for the variable "rc"
 in policydb_load_isids()

On Sun, Jan 15, 2017 at 10:37 AM, SF Markus Elfring
<elfring@...rs.sourceforge.net> wrote:
> From: Markus Elfring <elfring@...rs.sourceforge.net>
> Date: Sun, 15 Jan 2017 11:24:51 +0100
>
> A local variable was set to an error code in one case before a concrete
> error situation was detected. Thus move the corresponding assignment into
> an if branch to indicate a software failure there.
>
> Signed-off-by: Markus Elfring <elfring@...rs.sourceforge.net>
> ---
>  security/selinux/ss/policydb.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)

Dropped as previously discussed.

> diff --git a/security/selinux/ss/policydb.c b/security/selinux/ss/policydb.c
> index 7cf635c650dc..faa6ecc2450d 100644
> --- a/security/selinux/ss/policydb.c
> +++ b/security/selinux/ss/policydb.c
> @@ -897,10 +897,10 @@ int policydb_load_isids(struct policydb *p, struct sidtab *s)
>
>         head = p->ocontexts[OCON_ISID];
>         for (c = head; c; c = c->next) {
> -               rc = -EINVAL;
>                 if (!c->context[0].user) {
>                         printk(KERN_ERR "SELinux:  SID %s was never defined.\n",
>                                 c->u.name);
> +                       rc = -EINVAL;
>                         goto out;
>                 }
>
> --
> 2.11.0
>



-- 
paul moore
www.paul-moore.com