crypto: cavium - Use kcalloc() instead of kzalloc()

Use 2-factor multiplication argument form kcalloc() instead
of kzalloc().

Link: https://github.com/KSPP/linux/issues/162
Signed-off-by: Gustavo A. R. Silva <[e-mail]>
Reviewed-by: Kees Cook <[e-mail]>
Signed-off-by: Herbert Xu <[e-mail]>

drivers/crypto/cavium/cpt/cptvf_main.c

···
 				u32 nr_queues)
 {
 	u32 i;
-	size_t size;
 	int ret;
 	struct pending_queue *queue = NULL;
 
 	pqinfo->nr_queues = nr_queues;
 	pqinfo->qlen = qlen;
 
-	size = (qlen * sizeof(struct pending_entry));
-
 	for_each_pending_queue(pqinfo, queue, i) {
-		queue->head = kzalloc((size), GFP_KERNEL);
+		queue->head = kcalloc(qlen, sizeof(*queue->head), GFP_KERNEL);
 		if (!queue->head) {
 			ret = -ENOMEM;
 			goto pending_qfail;