[PATCH V2] staging: r8188eu: use ARRAY_SIZE

[cgel . zte]

From: Changcheng Deng <deng.changcheng@xxxxxxxxxx>

Use ARRAY_SIZE instead of dividing sizeof array with sizeof an element.

Reported-by: Zeal Robot <zealci@xxxxxxxxxx>
Signed-off-by: Changcheng Deng <deng.changcheng@xxxxxxxxxx>
---
 drivers/staging/r8188eu/os_dep/usb_intf.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/staging/r8188eu/os_dep/usb_intf.c b/drivers/staging/r8188eu/os_dep/usb_intf.c
index d04d2f658ce0..44bee3b2d0ce 100644
--- a/drivers/staging/r8188eu/os_dep/usb_intf.c
+++ b/drivers/staging/r8188eu/os_dep/usb_intf.c
@@ -261,10 +261,8 @@ static void process_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);
 
-	for (i = 0; i < num; i++) {
+	for (i = 0; i < ARRAY_SIZE(specific_device_id_tbl); i++) {
 		vid = specific_device_id_tbl[i].idVendor;
 		pid = specific_device_id_tbl[i].idProduct;
 		flags = specific_device_id_tbl[i].flags;
-- 
2.25.1