Index: dsp.c
===================================================================
RCS file: /space2/ncvs/src/sys/dev/sound/pcm/dsp.c,v
retrieving revision 1.70
diff -u -p -r1.70 dsp.c
--- dsp.c	20 Jan 2004 05:30:09 -0000	1.70
+++ dsp.c	25 Jan 2004 21:37:36 -0000
@@ -1092,6 +1092,8 @@ dsp_clone(void *arg, char *name, int nam
 		return;
 
 	pcm_dev = devclass_get_softc(pcm_devclass, unit);
+	if (pcm_dev == NULL)
+		return;
 
 	SLIST_FOREACH(pcm_chan, &pcm_dev->channels, link) {