Re: [PATCH 33/46] selinux: Move an assignment for the variable "rc" in class_read()

From: Paul Moore
Date: Wed Mar 29 2017 - 11:29:51 EST


On Sun, Jan 15, 2017 at 10:33 AM, SF Markus Elfring
<elfring@xxxxxxxxxxxxxxxxxxxxx> wrote:
> From: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
> Date: Sun, 15 Jan 2017 11:10:39 +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@xxxxxxxxxxxxxxxxxxxxx>
> ---
> security/selinux/ss/policydb.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)

Dropped for reasons already discussed.

> diff --git a/security/selinux/ss/policydb.c b/security/selinux/ss/policydb.c
> index 3af2b0849495..9035e5329ceb 100644
> --- a/security/selinux/ss/policydb.c
> +++ b/security/selinux/ss/policydb.c
> @@ -1345,10 +1345,10 @@ static int class_read(struct policydb *p, struct hashtab *h, void *fp)
> if (rc)
> goto bad;
>
> - rc = -EINVAL;
> cladatum->comdatum = hashtab_search(p->p_commons.table, cladatum->comkey);
> if (!cladatum->comdatum) {
> printk(KERN_ERR "SELinux: unknown common %s\n", cladatum->comkey);
> + rc = -EINVAL;
> goto bad;
> }
> }
> --
> 2.11.0
>



--
paul moore
www.paul-moore.com