D53851.id166881.diff
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D53851.id166881.diff
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	diff --git a/sys/dev/sound/pcm/sound.c b/sys/dev/sound/pcm/sound.c
	--- a/sys/dev/sound/pcm/sound.c
	+++ b/sys/dev/sound/pcm/sound.c
	@@ -300,29 +300,18 @@
	if (!PCM_REGISTERED(d))
	return (ENODEV);

	- PCM_LOCK(d);
	- PCM_WAIT(d);
	val = (d->flags & SD_F_BITPERFECT) ? 1 : 0;
	- PCM_ACQUIRE(d);
	- PCM_UNLOCK(d);
	-
	err = sysctl_handle_int(oidp, &val, 0, req);

	if (err == 0 && req->newptr != NULL) {
	- if (!(val == 0 \|\| val == 1)) {
	- PCM_RELEASE_QUICK(d);
	+ if (!(val == 0 \|\| val == 1))
	return (EINVAL);
	- }

	PCM_LOCK(d);
	-
	d->flags &= ~SD_F_BITPERFECT;
	d->flags \|= (val != 0) ? SD_F_BITPERFECT : 0;
	-
	- PCM_RELEASE(d);
	PCM_UNLOCK(d);
	- } else
	- PCM_RELEASE_QUICK(d);
	+ }

	return (err);
	}