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Groups > linux.kernel > #1612081
| From | Paul Moore <paul@paul-moore.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH 43/46] selinux: Use kmalloc_array() in sidtab_init() |
| Date | 2017-03-29 17:50 +0200 |
| Message-ID | <tqo1c-xp-23@gated-at.bofh.it> (permalink) |
| References | <sZUrL-3Jh-9@gated-at.bofh.it> <sZVea-4eg-13@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
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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Re: [PATCH 43/46] selinux: Use kmalloc_array() in sidtab_init() Paul Moore <paul@paul-moore.com> - 2017-03-29 17:50 +0200
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