diff --git a/drivers/staging/rtl8188eu/core/rtw_wlan_util.c b/drivers/staging/rtl8188eu/core/rtw_wlan_util.c
index c985b1468d41..6d56ca7ee7b4 100644
--- a/drivers/staging/rtl8188eu/core/rtw_wlan_util.c
+++ b/drivers/staging/rtl8188eu/core/rtw_wlan_util.c
@@ -667,7 +667,7 @@ static void bwmode_update_check(struct adapter *padapter, struct ndis_802_11_var
 void HT_caps_handler(struct adapter *padapter, struct ndis_802_11_var_ie *pIE)
 {
 	unsigned int i;
-	u8 max_AMPDU_len, min_MPDU_spacing;
+	u8 max_ampdu_len, min_mpdu_spacing;
 	struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
 	struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
 	struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
@@ -689,16 +689,16 @@ void HT_caps_handler(struct adapter *padapter, struct ndis_802_11_var_ie *pIE)
 		} else {
 			/* modify from  fw by Thomas 2010/11/17 */
 			if ((pmlmeinfo->HT_caps.ampdu_params_info & 0x3) > (pIE->data[i] & 0x3))
-				max_AMPDU_len = pIE->data[i] & 0x3;
+				max_ampdu_len = pIE->data[i] & 0x3;
 			else
-				max_AMPDU_len = pmlmeinfo->HT_caps.ampdu_params_info & 0x3;
+				max_ampdu_len = pmlmeinfo->HT_caps.ampdu_params_info & 0x3;
 
 			if ((pmlmeinfo->HT_caps.ampdu_params_info & 0x1c) > (pIE->data[i] & 0x1c))
-				min_MPDU_spacing = pmlmeinfo->HT_caps.ampdu_params_info & 0x1c;
+				min_mpdu_spacing = pmlmeinfo->HT_caps.ampdu_params_info & 0x1c;
 			else
-				min_MPDU_spacing = pIE->data[i] & 0x1c;
+				min_mpdu_spacing = pIE->data[i] & 0x1c;
 
-			pmlmeinfo->HT_caps.ampdu_params_info = max_AMPDU_len | min_MPDU_spacing;
+			pmlmeinfo->HT_caps.ampdu_params_info = max_ampdu_len | min_mpdu_spacing;
 		}
 	}
 
@@ -729,8 +729,8 @@ void HT_info_handler(struct adapter *padapter, struct ndis_802_11_var_ie *pIE)
 
 void HTOnAssocRsp(struct adapter *padapter)
 {
-	unsigned char max_AMPDU_len;
-	unsigned char min_MPDU_spacing;
+	unsigned char max_ampdu_len;
+	unsigned char min_mpdu_spacing;
 	struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
 	struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
 
@@ -748,13 +748,13 @@ void HTOnAssocRsp(struct adapter *padapter)
 	 * AMPDU_para [1:0]:Max AMPDU Len => 0:8k , 1:16k, 2:32k, 3:64k
 	 * AMPDU_para [4:2]:Min MPDU Start Spacing
 	 */
-	max_AMPDU_len = pmlmeinfo->HT_caps.ampdu_params_info & 0x03;
+	max_ampdu_len = pmlmeinfo->HT_caps.ampdu_params_info & 0x03;
 
-	min_MPDU_spacing = (pmlmeinfo->HT_caps.ampdu_params_info & 0x1c) >> 2;
+	min_mpdu_spacing = (pmlmeinfo->HT_caps.ampdu_params_info & 0x1c) >> 2;
 
-	rtw_hal_set_hwreg(padapter, HW_VAR_AMPDU_MIN_SPACE, (u8 *)(&min_MPDU_spacing));
+	rtw_hal_set_hwreg(padapter, HW_VAR_AMPDU_MIN_SPACE, (u8 *)(&min_mpdu_spacing));
 
-	rtw_hal_set_hwreg(padapter, HW_VAR_AMPDU_FACTOR, (u8 *)(&max_AMPDU_len));
+	rtw_hal_set_hwreg(padapter, HW_VAR_AMPDU_FACTOR, (u8 *)(&max_ampdu_len));
 }
 
 void ERP_IE_handler(struct adapter *padapter, struct ndis_802_11_var_ie *pIE)