[PATCH] selinux: fix memdup.cocci warnings

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From: kernel test robot <lkp@xxxxxxxxx>

Use kmemdup rather than duplicating its implementation

Generated by: scripts/coccinelle/api/memdup.cocci

Fixes: c7c556f1e81b ("selinux: refactor changing booleans")
CC: Stephen Smalley <stephen.smalley.work@xxxxxxxxx>
Signed-off-by: kernel test robot <lkp@xxxxxxxxx>
Signed-off-by: Julia Lawall <julia.lawall@xxxxxxxx>

---

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/selinux.git next
head:   37ea433c66070fcef09c6d118492c36299eb72ba
commit: c7c556f1e81bb9e09656ed6650d0c44c84b7c016 [4/6] selinux: refactor changing booleans
:::::: branch date: 4 hours ago
:::::: commit date: 2 days ago

 conditional.c |    5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

--- a/security/selinux/ss/conditional.c
+++ b/security/selinux/ss/conditional.c
@@ -686,12 +686,11 @@ static int cond_bools_copy(struct hashta
 {
 	struct cond_bool_datum *datum;

-	datum = kmalloc(sizeof(struct cond_bool_datum), GFP_KERNEL);
+	datum = kmemdup(orig->datum, sizeof(struct cond_bool_datum),
+			GFP_KERNEL);
 	if (!datum)
 		return -ENOMEM;

-	memcpy(datum, orig->datum, sizeof(struct cond_bool_datum));
-
 	new->key = orig->key; /* No need to copy, never modified */
 	new->datum = datum;
 	return 0;



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