[src/trunk]: src/sys/dev Fix panic when precision < 8.

[minoura <minoura%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/816be072c04c
branches:  trunk
changeset: 573015:816be072c04c
user:      minoura <minoura%NetBSD.org@localhost>
date:      Mon Jan 17 14:13:19 2005 +0000

description:
Fix panic when precision < 8.
>From kent@.

diffstat:

 sys/dev/audio.c |  6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)

diffs (27 lines):

diff -r 8d4cbb85c11f -r 816be072c04c sys/dev/audio.c
--- a/sys/dev/audio.c   Mon Jan 17 14:06:14 2005 +0000
+++ b/sys/dev/audio.c   Mon Jan 17 14:13:19 2005 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: audio.c,v 1.187 2005/01/15 16:23:03 kent Exp $ */
+/*     $NetBSD: audio.c,v 1.188 2005/01/17 14:13:19 minoura Exp $      */
 
 /*
  * Copyright (c) 1991-1993 Regents of the University of California.
@@ -61,7 +61,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: audio.c,v 1.187 2005/01/15 16:23:03 kent Exp $");
+__KERNEL_RCSID(0, "$NetBSD: audio.c,v 1.188 2005/01/17 14:13:19 minoura Exp $");
 
 #include "audio.h"
 #if NAUDIO > 0
@@ -775,7 +775,7 @@
        stream->start = malloc(size, M_DEVBUF, M_WAITOK);
        if (stream->start == NULL)
                return ENOMEM;
-       frame_size = param->precision / 8 * param->channels;
+       frame_size = (param->precision + 7) / 8 * param->channels;
        size = (size / frame_size) * frame_size;
        stream->end = stream->start + size;
        stream->inp = stream->start;