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

SF Markus Elfring
2017-01-15T15:43:26Z

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(-)

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