drivers/net: Convert unbounded kzalloc calls to kcalloc

These changes may be slightly safer in some instances.

There are other kzalloc calls with a multiply, but those
calls are typically "small fixed #" * sizeof(some pointer)"
and those are not converted.

Signed-off-by: Joe Perches <joe@perches.com>
Acked-by: Gertjan van Wingerde <gwingerde@gmail.com>
Acked-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/wireless/rt2x00/rt2x00queue.c b/drivers/net/wireless/rt2x00/rt2x00queue.c
index a3401d3..9c609be 100644
--- a/drivers/net/wireless/rt2x00/rt2x00queue.c
+++ b/drivers/net/wireless/rt2x00/rt2x00queue.c
@@ -755,7 +755,7 @@
 	 * Allocate all queue entries.
 	 */
 	entry_size = sizeof(*entries) + qdesc->priv_size;
-	entries = kzalloc(queue->limit * entry_size, GFP_KERNEL);
+	entries = kcalloc(queue->limit, entry_size, GFP_KERNEL);
 	if (!entries)
 		return -ENOMEM;
 
@@ -891,7 +891,7 @@
 	 */
 	rt2x00dev->data_queues = 2 + rt2x00dev->ops->tx_queues + req_atim;
 
-	queue = kzalloc(rt2x00dev->data_queues * sizeof(*queue), GFP_KERNEL);
+	queue = kcalloc(rt2x00dev->data_queues, sizeof(*queue), GFP_KERNEL);
 	if (!queue) {
 		ERROR(rt2x00dev, "Queue allocation failed.\n");
 		return -ENOMEM;