diff --git a/drivers/staging/rtl8712/mlme_linux.c b/drivers/staging/rtl8712/mlme_linux.c
index a009ec1a5c11..ac8196d24ce0 100644
--- a/drivers/staging/rtl8712/mlme_linux.c
+++ b/drivers/staging/rtl8712/mlme_linux.c
@@ -87,7 +87,7 @@ void r8712_os_indicate_connect(struct _adapter *adapter)
 static struct RT_PMKID_LIST backup_PMKID_list[NUM_PMKID_CACHE];
 void r8712_os_indicate_disconnect(struct _adapter *adapter)
 {
-	u8 backupPMKIDIndex = 0;
+	u8 backup_PMKID_index = 0;
 	u8 backupTKIPCountermeasure = 0x00;
 
 	r8712_indicate_wx_disassoc_event(adapter);
@@ -102,7 +102,7 @@ void r8712_os_indicate_disconnect(struct _adapter *adapter)
 		memcpy(&backup_PMKID_list[0],
 		       &adapter->securitypriv.PMKIDList[0],
 		       sizeof(struct RT_PMKID_LIST) * NUM_PMKID_CACHE);
-		backupPMKIDIndex = adapter->securitypriv.PMKIDIndex;
+		backup_PMKID_index = adapter->securitypriv.PMKIDIndex;
 		backupTKIPCountermeasure =
 			adapter->securitypriv.btkip_countermeasure;
 		memset((unsigned char *)&adapter->securitypriv, 0,
@@ -115,7 +115,7 @@ void r8712_os_indicate_disconnect(struct _adapter *adapter)
 		memcpy(&adapter->securitypriv.PMKIDList[0],
 		       &backup_PMKID_list[0],
 		       sizeof(struct RT_PMKID_LIST) * NUM_PMKID_CACHE);
-		adapter->securitypriv.PMKIDIndex = backupPMKIDIndex;
+		adapter->securitypriv.PMKIDIndex = backup_PMKID_index;
 		adapter->securitypriv.btkip_countermeasure =
 					 backupTKIPCountermeasure;
 	} else { /*reset values in securitypriv*/