diff options
| author |   kettenis <kettenis@openbsd.org> | 2018-12-31 17:12:34 +0000 |
|---|---|---|
| committer | kettenis <kettenis@openbsd.org> | 2018-12-31 17:12:34 +0000 |
| commit | d8b49b997ae8a8057231a2673f50f4abb6bdd04b (patch) | |
| tree | 3793ac9f30a1f057be6dbe91f834f4bd5594b3b6 | |
| parent | A bad uid range on the command line should be a fatal error. (diff) | |
| download | wireguard-openbsd-d8b49b997ae8a8057231a2673f50f4abb6bdd04b.tar.xz wireguard-openbsd-d8b49b997ae8a8057231a2673f50f4abb6bdd04b.zip | |
Use the return value of task_add(9) to determine whether the task was
already scheduled and whether we have to unref the device ourselves.
ok tedu@, ratchov@
| -rw-r--r-- | sys/dev/audio.c | 27 |
1 files changed, 7 insertions, 20 deletions
diff --git a/sys/dev/audio.c b/sys/dev/audio.c index 0727d6c5158..89d7af63741 100644 --- a/sys/dev/audio.c +++ b/sys/dev/audio.c @@ -1,4 +1,4 @@ -/* $OpenBSD: audio.c,v 1.174 2018/12/27 17:57:58 tedu Exp $ */ +/* $OpenBSD: audio.c,v 1.175 2018/12/31 17:12:34 kettenis Exp $ */ /* * Copyright (c) 2015 Alexandre Ratchov <alex@caoua.org> * @@ -125,7 +125,6 @@ struct audio_softc { #if NWSKBD > 0 struct wskbd_vol spkr, mic; struct task wskbd_task; - int wskbd_taskset; #endif int record_enable; /* mixer record.enable value */ }; @@ -138,6 +137,7 @@ void audio_pintr(void *); void audio_rintr(void *); #if NWSKBD > 0 void wskbd_mixer_init(struct audio_softc *); +void wskbd_mixer_cb(void *); #endif const struct cfattach audio_ca = { @@ -2000,6 +2000,7 @@ wskbd_mixer_init(struct audio_softc *sc) mic_names[i].cn, mic_names[i].dn)) break; } + task_set(&sc->wskbd_task, wskbd_mixer_cb, sc); } void @@ -2072,16 +2073,12 @@ wskbd_mixer_update(struct audio_softc *sc, struct wskbd_vol *vol) } void -wskbd_mixer_cb(void *addr) +wskbd_mixer_cb(void *arg) { - struct audio_softc *sc = addr; - int s; + struct audio_softc *sc = arg; wskbd_mixer_update(sc, &sc->spkr); wskbd_mixer_update(sc, &sc->mic); - s = spltty(); - sc->wskbd_taskset = 0; - splx(s); device_unref(&sc->dev); } @@ -2096,13 +2093,8 @@ wskbd_set_mixermute(long mute, long out) return ENODEV; vol = out ? &sc->spkr : &sc->mic; vol->mute_pending = mute ? WSKBD_MUTE_ENABLE : WSKBD_MUTE_DISABLE; - if (!sc->wskbd_taskset) { - task_set(&sc->wskbd_task, wskbd_mixer_cb, sc); - task_add(systq, &sc->wskbd_task); - sc->wskbd_taskset = 1; - } else { + if (!task_add(systq, &sc->wskbd_task)) device_unref(&sc->dev); - } return 0; } @@ -2120,13 +2112,8 @@ wskbd_set_mixervolume(long dir, long out) vol->mute_pending ^= WSKBD_MUTE_TOGGLE; else vol->val_pending += dir; - if (!sc->wskbd_taskset) { - task_set(&sc->wskbd_task, wskbd_mixer_cb, sc); - task_add(systq, &sc->wskbd_task); - sc->wskbd_taskset = 1; - } else { + if (!task_add(systq, &sc->wskbd_task)) device_unref(&sc->dev); - } return 0; } #endif /* NWSKBD > 0 */ |