selinux: Use kmalloc_array() in sidtab_init()

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>
Signed-off-by: Paul Moore <paul@paul-moore.com>

diff --git a/security/selinux/ss/sidtab.c b/security/selinux/ss/sidtab.c
index 5840a35155fc3d613ec10abceee8420c1b40073f..c9533b21942bbfc6b66c8b2d01bda069ab93693a 100644 (file)
--- 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++)