diff options
Diffstat (limited to 'sys/dev/wscons')
| -rw-r--r-- | sys/dev/wscons/wsevent.c | 22 | ||||
| -rw-r--r-- | sys/dev/wscons/wseventvar.h | 4 | ||||
| -rw-r--r-- | sys/dev/wscons/wskbd.c | 5 | ||||
| -rw-r--r-- | sys/dev/wscons/wsmouse.c | 5 | ||||
| -rw-r--r-- | sys/dev/wscons/wsmux.c | 5 |
5 files changed, 25 insertions, 16 deletions
diff --git a/sys/dev/wscons/wsevent.c b/sys/dev/wscons/wsevent.c index be015534317..8518bfc56e1 100644 --- a/sys/dev/wscons/wsevent.c +++ b/sys/dev/wscons/wsevent.c @@ -1,4 +1,4 @@ -/* $OpenBSD: wsevent.c,v 1.19 2019/02/01 17:23:08 anton Exp $ */ +/* $OpenBSD: wsevent.c,v 1.20 2019/05/22 18:52:14 anton Exp $ */ /* $NetBSD: wsevent.c,v 1.16 2003/08/07 16:31:29 agc Exp $ */ /* @@ -98,21 +98,27 @@ const struct filterops wsevent_filtops = { /* * Initialize a wscons_event queue. */ -void +int wsevent_init(struct wseventvar *ev) { + struct wscons_event *queue; + + if (ev->q != NULL) + return (0); + queue = mallocarray(WSEVENT_QSIZE, sizeof(struct wscons_event), + M_DEVBUF, M_WAITOK | M_ZERO); if (ev->q != NULL) { -#ifdef DIAGNOSTIC - printf("wsevent_init: already initialized\n"); -#endif - return; + free(queue, M_DEVBUF, WSEVENT_QSIZE * sizeof(struct wscons_event)); + return (1); } + + ev->q = queue; ev->get = ev->put = 0; - ev->q = malloc(WSEVENT_QSIZE * sizeof(struct wscons_event), - M_DEVBUF, M_WAITOK | M_ZERO); sigio_init(&ev->sigio); + + return (0); } /* diff --git a/sys/dev/wscons/wseventvar.h b/sys/dev/wscons/wseventvar.h index 5424fff9dc5..5042b81cb9c 100644 --- a/sys/dev/wscons/wseventvar.h +++ b/sys/dev/wscons/wseventvar.h @@ -1,4 +1,4 @@ -/* $OpenBSD: wseventvar.h,v 1.9 2018/11/19 19:19:24 anton Exp $ */ +/* $OpenBSD: wseventvar.h,v 1.10 2019/05/22 18:52:14 anton Exp $ */ /* $NetBSD: wseventvar.h,v 1.1 1998/03/22 14:24:03 drochner Exp $ */ /* @@ -104,7 +104,7 @@ struct wseventvar { pgsigio(&(ev)->sigio, SIGIO, 0); \ } -void wsevent_init(struct wseventvar *); +int wsevent_init(struct wseventvar *); void wsevent_fini(struct wseventvar *); int wsevent_read(struct wseventvar *, struct uio *, int); int wsevent_poll(struct wseventvar *, int, struct proc *); diff --git a/sys/dev/wscons/wskbd.c b/sys/dev/wscons/wskbd.c index 49a08976c3a..b89e95f9b33 100644 --- a/sys/dev/wscons/wskbd.c +++ b/sys/dev/wscons/wskbd.c @@ -1,4 +1,4 @@ -/* $OpenBSD: wskbd.c,v 1.96 2019/02/19 07:01:02 anton Exp $ */ +/* $OpenBSD: wskbd.c,v 1.97 2019/05/22 18:52:14 anton Exp $ */ /* $NetBSD: wskbd.c,v 1.80 2005/05/04 01:52:16 augustss Exp $ */ /* @@ -824,7 +824,8 @@ wskbdopen(dev_t dev, int flags, int mode, struct proc *p) return (EBUSY); evar = &sc->sc_base.me_evar; - wsevent_init(evar); + if (wsevent_init(evar)) + return (EBUSY); error = wskbd_do_open(sc, evar); if (error) { diff --git a/sys/dev/wscons/wsmouse.c b/sys/dev/wscons/wsmouse.c index 73c304bd53e..57ea83a6aab 100644 --- a/sys/dev/wscons/wsmouse.c +++ b/sys/dev/wscons/wsmouse.c @@ -1,4 +1,4 @@ -/* $OpenBSD: wsmouse.c,v 1.52 2019/03/24 18:04:02 bru Exp $ */ +/* $OpenBSD: wsmouse.c,v 1.53 2019/05/22 18:52:14 anton Exp $ */ /* $NetBSD: wsmouse.c,v 1.35 2005/02/27 00:27:52 perry Exp $ */ /* @@ -330,7 +330,8 @@ wsmouseopen(dev_t dev, int flags, int mode, struct proc *p) return (EBUSY); evar = &sc->sc_base.me_evar; - wsevent_init(evar); + if (wsevent_init(evar)) + return (EBUSY); error = wsmousedoopen(sc, evar); if (error) { diff --git a/sys/dev/wscons/wsmux.c b/sys/dev/wscons/wsmux.c index 28f6815d91f..ca733362175 100644 --- a/sys/dev/wscons/wsmux.c +++ b/sys/dev/wscons/wsmux.c @@ -1,4 +1,4 @@ -/* $OpenBSD: wsmux.c,v 1.46 2019/05/21 20:57:10 anton Exp $ */ +/* $OpenBSD: wsmux.c,v 1.47 2019/05/22 18:52:14 anton Exp $ */ /* $NetBSD: wsmux.c,v 1.37 2005/04/30 03:47:12 augustss Exp $ */ /* @@ -209,7 +209,8 @@ wsmuxopen(dev_t dev, int flags, int mode, struct proc *p) return (EBUSY); evar = &sc->sc_base.me_evar; - wsevent_init(evar); + if (wsevent_init(evar)) + return (EBUSY); #ifdef WSDISPLAY_COMPAT_RAWKBD sc->sc_rawkbd = 0; #endif |