diff --git a/drivers/net/wireless/rockchip_wlan/rtl8188eu/hal/rtl8188e/rtl8188e_phycfg.c b/drivers/net/wireless/rockchip_wlan/rtl8188eu/hal/rtl8188e/rtl8188e_phycfg.c
index ca22e2ec82bc..137e3dd9dbea 100644
--- a/drivers/net/wireless/rockchip_wlan/rtl8188eu/hal/rtl8188e/rtl8188e_phycfg.c
+++ b/drivers/net/wireless/rockchip_wlan/rtl8188eu/hal/rtl8188e/rtl8188e_phycfg.c
@@ -571,6 +571,9 @@ phy_RFSerialWrite(
 	BB_REGISTER_DEFINITION_T	*pPhyReg = &pHalData->PHYRegDef[eRFPath];
 	u32						NewOffset;
 
+	if (eRFPath >= MAX_RF_PATH)
+		return;
+
 #if 0
 	/* <Roger_TODO> We should check valid regs for RF_6052 case. */
 	if (pHalData->RFChipID == RF_8225 && Offset > 0x24) /* 36 valid regs */
diff --git a/drivers/net/wireless/rockchip_wlan/rtl8188fu/hal/rtl8188f/rtl8188f_phycfg.c b/drivers/net/wireless/rockchip_wlan/rtl8188fu/hal/rtl8188f/rtl8188f_phycfg.c
index 40fe483db327..122e63062688 100644
--- a/drivers/net/wireless/rockchip_wlan/rtl8188fu/hal/rtl8188f/rtl8188f_phycfg.c
+++ b/drivers/net/wireless/rockchip_wlan/rtl8188fu/hal/rtl8188f/rtl8188f_phycfg.c
@@ -339,6 +339,9 @@ phy_RFSerialWrite_8188F(
 	BB_REGISTER_DEFINITION_T	*pPhyReg = &pHalData->PHYRegDef[eRFPath];
 	u32						NewOffset;
 
+	if (eRFPath >= MAX_RF_PATH)
+		return;
+
 	Offset &= 0xff;
 
 	/* */
diff --git a/drivers/net/wireless/rockchip_wlan/rtl8189es/hal/rtl8188e/rtl8188e_phycfg.c b/drivers/net/wireless/rockchip_wlan/rtl8189es/hal/rtl8188e/rtl8188e_phycfg.c
index 7e74e54575f0..e3751b359141 100644
--- a/drivers/net/wireless/rockchip_wlan/rtl8189es/hal/rtl8188e/rtl8188e_phycfg.c
+++ b/drivers/net/wireless/rockchip_wlan/rtl8189es/hal/rtl8188e/rtl8188e_phycfg.c
@@ -581,6 +581,9 @@ phy_RFSerialWrite(
 	HAL_DATA_TYPE				*pHalData = GET_HAL_DATA(Adapter);
 	BB_REGISTER_DEFINITION_T	*pPhyReg = &pHalData->PHYRegDef[eRFPath];
 	u32						NewOffset;
+
+	if (eRFPath >= MAX_RF_PATH)
+		return;
 
 #if 0
 	//<Roger_TODO> We should check valid regs for RF_6052 case.
diff --git a/drivers/net/wireless/rockchip_wlan/rtl8189fs/hal/rtl8188f/rtl8188f_phycfg.c b/drivers/net/wireless/rockchip_wlan/rtl8189fs/hal/rtl8188f/rtl8188f_phycfg.c
index 662196c385ec..de5993adf008 100644
--- a/drivers/net/wireless/rockchip_wlan/rtl8189fs/hal/rtl8188f/rtl8188f_phycfg.c
+++ b/drivers/net/wireless/rockchip_wlan/rtl8189fs/hal/rtl8188f/rtl8188f_phycfg.c
@@ -277,6 +277,9 @@ phy_RFSerialWrite_8188F(
 	BB_REGISTER_DEFINITION_T	*pPhyReg = &pHalData->PHYRegDef[eRFPath];
 	u32						NewOffset;
 
+	if (eRFPath >= MAX_RF_PATH)
+		return;
+
 	Offset &= 0xff;
 
 	/* */
diff --git a/drivers/net/wireless/rockchip_wlan/rtl8723bs/hal/rtl8723b/rtl8723b_phycfg.c b/drivers/net/wireless/rockchip_wlan/rtl8723bs/hal/rtl8723b/rtl8723b_phycfg.c
index 3eab398d21e8..dd2495ef0dd5 100644
--- a/drivers/net/wireless/rockchip_wlan/rtl8723bs/hal/rtl8723b/rtl8723b_phycfg.c
+++ b/drivers/net/wireless/rockchip_wlan/rtl8723bs/hal/rtl8723b/rtl8723b_phycfg.c
@@ -333,6 +333,9 @@ phy_RFSerialWrite_8723B(
 	BB_REGISTER_DEFINITION_T	*pPhyReg = &pHalData->PHYRegDef[eRFPath];
 	u32						NewOffset;
 
+	if (eRFPath >= MAX_RF_PATH)
+		return;
+
 	Offset &= 0xff;
 
 	/*  */
diff --git a/drivers/net/wireless/rockchip_wlan/rtl8723bu/hal/rtl8723b/rtl8723b_phycfg.c b/drivers/net/wireless/rockchip_wlan/rtl8723bu/hal/rtl8723b/rtl8723b_phycfg.c
index e6fcbb69896f..f5279806031a 100755
--- a/drivers/net/wireless/rockchip_wlan/rtl8723bu/hal/rtl8723b/rtl8723b_phycfg.c
+++ b/drivers/net/wireless/rockchip_wlan/rtl8723bu/hal/rtl8723b/rtl8723b_phycfg.c
@@ -344,6 +344,10 @@ phy_RFSerialWrite_8723B(
 	HAL_DATA_TYPE				*pHalData = GET_HAL_DATA(Adapter);
 	BB_REGISTER_DEFINITION_T	*pPhyReg = &pHalData->PHYRegDef[eRFPath];
 	u32						NewOffset;
+
+	if (eRFPath >= MAX_RF_PATH)
+		return;
+
 
 	Offset &= 0xff;
 
diff --git a/drivers/net/wireless/rockchip_wlan/rtl8723cs/hal/rtl8703b/rtl8703b_phycfg.c b/drivers/net/wireless/rockchip_wlan/rtl8723cs/hal/rtl8703b/rtl8703b_phycfg.c
index 95e332588bc5..98c3886042bc 100644
--- a/drivers/net/wireless/rockchip_wlan/rtl8723cs/hal/rtl8703b/rtl8703b_phycfg.c
+++ b/drivers/net/wireless/rockchip_wlan/rtl8723cs/hal/rtl8703b/rtl8703b_phycfg.c
@@ -277,6 +277,9 @@ phy_RFSerialWrite_8703B(
 	BB_REGISTER_DEFINITION_T	*pPhyReg = &pHalData->PHYRegDef[eRFPath];
 	u32						NewOffset;
 
+	if (eRFPath >= MAX_RF_PATH)
+		return;
+
 	Offset &= 0xff;
 
 	/*  */
diff --git a/drivers/net/wireless/rockchip_wlan/rtl8723ds/hal/rtl8723d/rtl8723d_phycfg.c b/drivers/net/wireless/rockchip_wlan/rtl8723ds/hal/rtl8723d/rtl8723d_phycfg.c
index cf425f7b051c..fd93b09a64d4 100644
--- a/drivers/net/wireless/rockchip_wlan/rtl8723ds/hal/rtl8723d/rtl8723d_phycfg.c
+++ b/drivers/net/wireless/rockchip_wlan/rtl8723ds/hal/rtl8723d/rtl8723d_phycfg.c
@@ -278,6 +278,9 @@ phy_RFSerialWrite_8723D(
 	BB_REGISTER_DEFINITION_T	*pPhyReg = &pHalData->PHYRegDef[eRFPath];
 	u32						NewOffset;
 
+	if (eRFPath >= MAX_RF_PATH)
+		return;
+
 	Offset &= 0xff;
 
 	/* */
@@ -1191,4 +1194,4 @@ PHY_SetSwChnlBWMode8723D(
 
 	/* RTW_INFO("<==%s()\n",__FUNCTION__); */
 }
- 
\ No newline at end of file
+