diff --git a/sys/dev/sound/midi/midi.c b/sys/dev/sound/midi/midi.c
--- a/sys/dev/sound/midi/midi.c
+++ b/sys/dev/sound/midi/midi.c
@@ -950,12 +950,8 @@
 		return EBUSY;
 	}
 	midistat_isopen = 1;
-	if (sbuf_new(&midistat_sbuf, NULL, 4096, SBUF_AUTOEXTEND) == NULL) {
-		error = ENXIO;
-		goto out;
-	}
+	sbuf_new(&midistat_sbuf, NULL, 4096, SBUF_AUTOEXTEND);
 	error = (midistat_prepare(&midistat_sbuf) > 0) ? 0 : ENOMEM;
-out:
 	if (error)
 		midistat_isopen = 0;
 	midistat_unlock();
diff --git a/sys/dev/sound/pcm/sndstat.c b/sys/dev/sound/pcm/sndstat.c
--- a/sys/dev/sound/pcm/sndstat.c
+++ b/sys/dev/sound/pcm/sndstat.c
@@ -150,10 +150,7 @@
 
 	pf = malloc(sizeof(*pf), M_DEVBUF, M_WAITOK | M_ZERO);
 
-	if (sbuf_new(&pf->sbuf, NULL, 4096, SBUF_AUTOEXTEND) == NULL) {
-		free(pf, M_DEVBUF);
-		return (ENOMEM);
-	}
+	sbuf_new(&pf->sbuf, NULL, 4096, SBUF_AUTOEXTEND);
 
 	pf->fflags = flags;
 	TAILQ_INIT(&pf->userdev_list);