drivers/net/: all drivers/net/ cleanup with ARRAY_SIZE

Signed-off-by: Denis Cheng <crquan@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
diff --git a/drivers/net/wireless/ray_cs.c b/drivers/net/wireless/ray_cs.c
index 1b0e970..429bca8 100644
--- a/drivers/net/wireless/ray_cs.c
+++ b/drivers/net/wireless/ray_cs.c
@@ -1567,9 +1567,9 @@
 
 static const struct iw_handler_def	ray_handler_def =
 {
-	.num_standard	= sizeof(ray_handler)/sizeof(iw_handler),
-	.num_private	= sizeof(ray_private_handler)/sizeof(iw_handler),
-	.num_private_args = sizeof(ray_private_args)/sizeof(struct iw_priv_args),
+	.num_standard	= ARRAY_SIZE(ray_handler),
+	.num_private	= ARRAY_SIZE(ray_private_handler),
+	.num_private_args = ARRAY_SIZE(ray_private_args),
 	.standard	= ray_handler,
 	.private	= ray_private_handler,
 	.private_args	= ray_private_args,