> From: Ulf Brosziewski <ulf.brosziew...@t-online.de> > Date: Tue, 12 Jul 2016 23:17:34 +0200 > > It seems that if an MT device is disabled and reenabled, > remnants of the previous MT state can lead to problems. > wsmouse_mt_init should always reset that state completely > (thanks to jcs@ for help). > > OK?
Makes sense to me. > Index: dev/wscons/wsmouse.c > =================================================================== > RCS file: /cvs/src/sys/dev/wscons/wsmouse.c,v > retrieving revision 1.31 > diff -u -p -r1.31 wsmouse.c > --- dev/wscons/wsmouse.c 5 Jul 2016 19:33:14 -0000 1.31 > +++ dev/wscons/wsmouse.c 12 Jul 2016 21:01:17 -0000 > @@ -1266,11 +1266,8 @@ wsmouse_mt_init(struct device *sc, int n > &((struct wsmouse_softc *) sc)->input; > int n, size; > > - if (num_slots == input->mt.num_slots > - && (!tracking == ((input->flags & MT_TRACKING) == 0))) > - return (0); > - > free_mt_slots(input); > + memset(&input->mt, 0, sizeof(struct mt_state)); > > if (tracking) > input->flags |= MT_TRACKING; > >
