diff --git a/os_dep/linux/os_intfs.c b/os_dep/linux/os_intfs.c
index 7392ce1..47507ae 100644
--- a/os_dep/linux/os_intfs.c
+++ b/os_dep/linux/os_intfs.c
@@ -2851,8 +2851,12 @@ void rtw_drv_free_vir_ifaces(struct dvobj_priv *dvobj)
 
 void rtw_drv_del_vir_if(_adapter *padapter)
 {
+	struct dvobj_priv *pdvobjpriv;
+
 	rtw_drv_stop_vir_if(padapter);
 	rtw_drv_free_vir_if(padapter);
+	pdvobjpriv = adapter_to_dvobj(padapter);
+	--pdvobjpriv->iface_nums;
 }
 
 void rtw_drv_del_vir_ifaces(_adapter *primary_padapter)
diff --git a/os_dep/linux/usb_intf.c b/os_dep/linux/usb_intf.c
index 77dc6b8..85e2373 100644
--- a/os_dep/linux/usb_intf.c
+++ b/os_dep/linux/usb_intf.c
@@ -1498,6 +1498,8 @@ free_dvobj:
 	if (status != _SUCCESS)
 		usb_dvobj_deinit(pusb_intf);
 exit:
+	if (!status)
+		pr_info("In %s return -ENODEV\n", __func__);
 	return status == _SUCCESS ? 0 : -ENODEV;
 }