linux-kernel - Re: [PATCH 26/46] selinux: Improve another size determination in sens

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Message-ID: <CAHC9VhTZc+y-5DvdvtLF1-4xk6R65EsLUJSLMrUMqZ6yR2yz_g@mail.gmail.com>
Date:   Wed, 29 Mar 2017 10:52:03 -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 26/46] selinux: Improve another size determination in sens_read()

On Sun, Jan 15, 2017 at 10:26 AM, SF Markus Elfring
<elfring@...rs.sourceforge.net> wrote:
> From: Markus Elfring <elfring@...rs.sourceforge.net>
> Date: Sat, 14 Jan 2017 21:52:55 +0100
>
> Replace the specification of a data type by a pointer dereference
> as the parameter for the operator "sizeof" to make the corresponding size
> determination a bit safer according to the Linux coding style convention.
>
> Signed-off-by: Markus Elfring <elfring@...rs.sourceforge.net>
> ---
>  security/selinux/ss/policydb.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)

Merged, thanks.

> diff --git a/security/selinux/ss/policydb.c b/security/selinux/ss/policydb.c
> index 5caa1fa5ea80..edfcfd3bbc60 100644
> --- a/security/selinux/ss/policydb.c
> +++ b/security/selinux/ss/policydb.c
> @@ -1609,7 +1609,7 @@ static int sens_read(struct policydb *p, struct hashtab *h, void *fp)
>                 goto bad;
>
>         rc = -ENOMEM;
> -       levdatum->level = kmalloc(sizeof(struct mls_level), GFP_ATOMIC);
> +       levdatum->level = kmalloc(sizeof(*levdatum->level), GFP_ATOMIC);
>         if (!levdatum->level)
>                 goto bad;
>
> --
> 2.11.0
>



-- 
paul moore
www.paul-moore.com