rem: TRACE("em_detach failed\n");
add: DEVICE_DEBUGOUT("em_detach failed");
context: ipro1000_free(void* cookie){	ipro1000_device *device = (ipro1000_device *)cookie;	TRACE("ipro1000_free()\n");	if (em_detach(device) != 0) {		TRACE("em_detach failed\n");	}	free(device);	atomic_and(&gOpenMask, ~(1 << device->devId));	return B_OK;}