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/airo.c b/drivers/net/wireless/airo.c
index 1d05445..7d26506 100644
--- a/drivers/net/wireless/airo.c
+++ b/drivers/net/wireless/airo.c
@@ -2723,9 +2723,8 @@
 	if (ai->networks)
 		return 0;
 
-	ai->networks =
-	    kzalloc(AIRO_MAX_NETWORK_COUNT * sizeof(BSSListElement),
-		    GFP_KERNEL);
+	ai->networks = kcalloc(AIRO_MAX_NETWORK_COUNT, sizeof(BSSListElement),
+			       GFP_KERNEL);
 	if (!ai->networks) {
 		airo_print_warn("", "Out of memory allocating beacons");
 		return -ENOMEM;