staging: rtl8723au: Use ARRAY_SIZE macro for sizes of arrays

---
 drivers/staging/rtl8723au/core/rtw_cmd.c          | 3 +--
 drivers/staging/rtl8723au/core/rtw_mlme_ext.c     | 3 +--
 drivers/staging/rtl8723au/hal/HalHWImg8723A_BB.c  | 6 +++---
 drivers/staging/rtl8723au/hal/HalHWImg8723A_MAC.c | 2 +-
 4 files changed, 6 insertions(+), 8 deletions(-)
 
diff --git a/drivers/staging/rtl8723au/core/rtw_cmd.c b/drivers/staging/rtl8723au/core/rtw_cmd.c
index 3035bb8..cd4e0f0 100644
--- a/drivers/staging/rtl8723au/core/rtw_cmd.c
+++ b/drivers/staging/rtl8723au/core/rtw_cmd.c
@@ -295,8 +295,7 @@ static void rtw_cmd_work(struct work_struct *work)
 
 post_process:
 	/* call callback function for post-processed */
-	if (pcmd->cmdcode < (sizeof(rtw_cmd_callback) /
-			     sizeof(struct _cmd_callback))) {
+	if (pcmd->cmdcode < ARRAY_SIZE(rtw_cmd_callback)) {
 		pcmd_callback =	rtw_cmd_callback[pcmd->cmdcode].callback;
 		if (!pcmd_callback) {
 			RT_TRACE(_module_rtl871x_cmd_c_, _drv_info_,
diff --git a/drivers/staging/rtl8723au/core/rtw_mlme_ext.c b/drivers/staging/rtl8723au/core/rtw_mlme_ext.c
index 7cd0052..a39e441 100644
--- a/drivers/staging/rtl8723au/core/rtw_mlme_ext.c
+++ b/drivers/staging/rtl8723au/core/rtw_mlme_ext.c
@@ -2154,8 +2154,7 @@ OnAction23a(struct rtw_adapter *padapter, struct recv_frame *precv_frame)
 
 	category = mgmt->u.action.category;
 
-	for (i = 0;
-	     i < sizeof(OnAction23a_tbl) / sizeof(struct action_handler); i++) {
+	for (i = 0; i < ARRAY_SIZE(OnAction23a_tbl); i++) {
 		ptable = &OnAction23a_tbl[i];
 
 		if (category == ptable->num)
diff --git a/drivers/staging/rtl8723au/hal/HalHWImg8723A_BB.c b/drivers/staging/rtl8723au/hal/HalHWImg8723A_BB.c
index e8cab9e..8d3ea6c 100644
--- a/drivers/staging/rtl8723au/hal/HalHWImg8723A_BB.c
+++ b/drivers/staging/rtl8723au/hal/HalHWImg8723A_BB.c
@@ -219,7 +219,7 @@ void ODM_ReadAndConfig_AGC_TAB_1T_8723A(struct dm_odm_t *pDM_Odm)
 	u32 i;
 	u8 platform = 0x04;
 	u8 board = pDM_Odm->BoardType;
-	u32 ArrayLen = sizeof(Array_AGC_TAB_1T_8723A)/sizeof(u32);
+	u32 ArrayLen = ARRAY_SIZE(Array_AGC_TAB_1T_8723A);
 	u32 *Array = Array_AGC_TAB_1T_8723A;
 
 	hex = board;
@@ -467,7 +467,7 @@ void ODM_ReadAndConfig_PHY_REG_1T_8723A(struct dm_odm_t *pDM_Odm)
 	u32 i = 0;
 	u8  platform = 0x04;
 	u8  board = pDM_Odm->BoardType;
-	u32 ArrayLen = sizeof(Array_PHY_REG_1T_8723A)/sizeof(u32);
+	u32 ArrayLen = ARRAY_SIZE(Array_PHY_REG_1T_8723A);
 	u32 *Array = Array_PHY_REG_1T_8723A;
 
 	hex += board;
@@ -523,7 +523,7 @@ void ODM_ReadAndConfig_PHY_REG_MP_8723A(struct dm_odm_t *pDM_Odm)
 	u32 i;
 	u8 platform = 0x04;
 	u8 board = pDM_Odm->BoardType;
-	u32 ArrayLen = sizeof(Array_PHY_REG_MP_8723A)/sizeof(u32);
+	u32 ArrayLen = ARRAY_SIZE(Array_PHY_REG_MP_8723A);
 	u32 *Array = Array_PHY_REG_MP_8723A;
 
 	hex += board;
diff --git a/drivers/staging/rtl8723au/hal/HalHWImg8723A_MAC.c b/drivers/staging/rtl8723au/hal/HalHWImg8723A_MAC.c
index 93b2d18..9bf6859 100644
--- a/drivers/staging/rtl8723au/hal/HalHWImg8723A_MAC.c
+++ b/drivers/staging/rtl8723au/hal/HalHWImg8723A_MAC.c
@@ -145,7 +145,7 @@ void ODM_ReadAndConfig_MAC_REG_8723A(struct dm_odm_t *pDM_Odm)
 	u32     i           = 0;
 	u8     platform    = 0x04;
 	u8     board       = pDM_Odm->BoardType;
-	u32     ArrayLen    = sizeof(Array_MAC_REG_8723A)/sizeof(u32);
+	u32     ArrayLen    = ARRAY_SIZE(Array_MAC_REG_8723A);
 	u32 *Array       = Array_MAC_REG_8723A;
 
 	hex += board;