--- /sys/dev/usb/ums.c	Wed Nov  6 21:23:50 2002
+++ ums.c	Sun Aug 31 15:08:52 2003
@@ -428,10 +428,8 @@
 	}
 
 	ibuf = sc->sc_ibuf;
-	if (sc->sc_iid) {
-		if (*ibuf++ != sc->sc_iid)
-			return;
-	}
+	if (sc->sc_iid)
+		ibuf++;
 
 	dx =  hid_get_data(ibuf, &sc->sc_loc_x);
 	dy = -hid_get_data(ibuf, &sc->sc_loc_y);