Index: dsp.c
===================================================================
RCS file: /home/ncvs/src/sys/dev/sound/pcm/dsp.c,v
retrieving revision 1.57
retrieving revision 1.59
diff -u -p -r1.57 -r1.59
--- dsp.c	28 Aug 2002 15:19:30 -0000	1.57
+++ dsp.c	11 Feb 2003 16:58:54 -0000	1.59
@@ -29,7 +29,7 @@
 
 #include <dev/sound/pcm/sound.h>
 
-SND_DECLARE_FILE("$FreeBSD: src/sys/dev/sound/pcm/dsp.c,v 1.57 2002/08/28 15:19:30 orion Exp $");
+SND_DECLARE_FILE("$FreeBSD: src/sys/dev/sound/pcm/dsp.c,v 1.59 2003/02/11 16:58:54 green Exp $");
 
 #define OLDPCM_IOCTL
 
@@ -274,8 +274,11 @@ dsp_open(dev_t i_dev, int flags, int mod
 		if (chn_reset(rdch, fmt)) {
 			pcm_lock(d);
 			pcm_chnrelease(rdch);
-			if (wrch && (flags & FWRITE))
+			i_dev->si_drv1 = NULL;
+			if (wrch && (flags & FWRITE)) {
 				pcm_chnrelease(wrch);
+				i_dev->si_drv2 = NULL;
+			}
 			pcm_unlock(d);
 			splx(s);
 			return ENODEV;
@@ -289,11 +292,12 @@ dsp_open(dev_t i_dev, int flags, int mod
 		if (chn_reset(wrch, fmt)) {
 			pcm_lock(d);
 			pcm_chnrelease(wrch);
+			i_dev->si_drv2 = NULL;
 			if (flags & FREAD) {
 				CHN_LOCK(rdch);
 				pcm_chnref(rdch, -1);
 				pcm_chnrelease(rdch);
-				CHN_UNLOCK(rdch);
+				i_dev->si_drv1 = NULL;
 			}
 			pcm_unlock(d);
 			splx(s);