Staging: rtl8712: Use ARRAY_SIZE macro

Author: Shraddha Barke <shraddha.6596@gmail.com>

ARRAY_SIZE is more concise to use when the size of an array is divided
by the size of its type

Changes made using Coccinelle-

@@
type T;
T[] E;
@@

- (sizeof(E)/sizeof(T))
+ ARRAY_SIZE(E)

Signed-off-by: Shraddha Barke 
Signed-off-by: Greg Kroah-Hartman 
---
 drivers/staging/rtl8712/usb_intf.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)
 
diff --git a/drivers/staging/rtl8712/usb_intf.c b/drivers/staging/rtl8712/usb_intf.c
index f8b5b33..4c63baa 100644
--- a/drivers/staging/rtl8712/usb_intf.c
+++ b/drivers/staging/rtl8712/usb_intf.c
@@ -330,8 +330,7 @@ static void disable_ht_for_spec_devid(const struct usb_device_id *pdid,
 	u16 vid, pid;
 	u32 flags;
 	int i;
-	int num = sizeof(specific_device_id_tbl) /
-		  sizeof(struct specific_device_id);
+	int num = ARRAY_SIZE(specific_device_id_tbl);
 
 	for (i = 0; i < num; i++) {
 		vid = specific_device_id_tbl[i].idVendor;