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

Paul Moore
2017-03-29T15:45:10Z

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