atm: nicstar: Use kcalloc() to simplify code

Use kcalloc() instead of kmalloc_array() and a loop to set all the values
of the array to NULL.

While at it, remove a duplicated assignment to 'scq->num_entries'.
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/atm/nicstar.c

@@ -861,7 +861,6 @@ static void ns_init_card_error(ns_dev *card, int error)
 static scq_info *get_scq(ns_dev *card, int size, u32 scd)
 {
 	scq_info *scq;
-	int i;
 
 	if (size != VBR_SCQSIZE && size != CBR_SCQSIZE)
 		return NULL;
@@ -875,8 +874,7 @@ static scq_info *get_scq(ns_dev *card, int size, u32 scd)
 		kfree(scq);
 		return NULL;
 	}
-	scq->skb = kmalloc_array(size / NS_SCQE_SIZE,
-				 sizeof(*scq->skb),
+	scq->skb = kcalloc(size / NS_SCQE_SIZE, sizeof(*scq->skb),
 			   GFP_KERNEL);
 	if (!scq->skb) {
 		dma_free_coherent(&card->pcidev->dev,
@@ -890,15 +888,11 @@ static scq_info *get_scq(ns_dev *card, int size, u32 scd)
 	scq->last = scq->base + (scq->num_entries - 1);
 	scq->tail = scq->last;
 	scq->scd = scd;
-	scq->num_entries = size / NS_SCQE_SIZE;
 	scq->tbd_count = 0;
 	init_waitqueue_head(&scq->scqfull_waitq);
 	scq->full = 0;
 	spin_lock_init(&scq->lock);
 
-	for (i = 0; i < scq->num_entries; i++)
-		scq->skb[i] = NULL;
-
 	return scq;
 }