staging: rtl8188eu: Use unregistering flag from struct usb_interface

Use unregistering flag from struct usb_interface to find
driver registration status.
Signed-off-by: navin patidar <navin.patidar@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8188eu/os_dep/usb_intf.c

@@ -707,7 +707,7 @@ static void rtw_dev_remove(struct usb_interface *pusb_intf)
 	DBG_88E("+rtw_dev_remove\n");
 	RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("+dev_remove()\n"));
 
-	if (usb_drv->drv_registered)
+	if (!pusb_intf->unregistering)
 		padapter->bSurpriseRemoved = true;
 
 	rtw_pm_set_ips(padapter, IPS_NONE);