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Re: [PATCH 43/46] selinux: Use kmalloc_array() in sidtab_init()

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  Re: [PATCH 43/46] selinux: Use kmalloc_array() in sidtab_init() Paul Moore <paul@paul-moore.com> - 2017-03-29 17:50 +0200

#1612081 — Re: [PATCH 43/46] selinux: Use kmalloc_array() in sidtab_init()

On Sun, Jan 15, 2017 at 10:43 AM, SF Markus Elfring
<elfring@users.sourceforge.net> wrote:
> From: Markus Elfring <elfring@users.sourceforge.net>
> Date: Sun, 15 Jan 2017 13:13:19 +0100
>
> A multiplication for the size determination of a memory allocation
> indicated that an array data structure should be processed.
> Thus use the corresponding function "kmalloc_array".
>
> This issue was detected by using the Coccinelle software.
>
> Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
> ---
>  security/selinux/ss/sidtab.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)

Merged, thanks.

> diff --git a/security/selinux/ss/sidtab.c b/security/selinux/ss/sidtab.c
> index 5840a35155fc..c9533b21942b 100644
> --- a/security/selinux/ss/sidtab.c
> +++ b/security/selinux/ss/sidtab.c
> @@ -18,7 +18,7 @@ int sidtab_init(struct sidtab *s)
>  {
>         int i;
>
> -       s->htable = kmalloc(sizeof(*(s->htable)) * SIDTAB_SIZE, GFP_ATOMIC);
> +       s->htable = kmalloc_array(SIDTAB_SIZE, sizeof(*s->htable), GFP_ATOMIC);
>         if (!s->htable)
>                 return -ENOMEM;
>         for (i = 0; i < SIDTAB_SIZE; i++)
> --
> 2.11.0
>



-- 
paul moore
www.paul-moore.com

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