From 23dd4ed4779db244d5cd4c702cf63e2b6729562d Mon Sep 17 00:00:00 2001
From: Peter Dufault <dufault@FreeBSD.org>
Date: Wed, 20 Dec 1995 12:02:43 +0000
Subject: [PATCH] Bruce's fix for when dk_ndrive >= DK_NDRIVE.  Fixes CDROM
 changer and other "lots of CDROM devices" problems.  This code should be put
 in a single place.

---
 sys/scsi/cd.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/sys/scsi/cd.c b/sys/scsi/cd.c
index 94a5d0f91739..49b2efe31fa1 100644
--- a/sys/scsi/cd.c
+++ b/sys/scsi/cd.c
@@ -14,7 +14,7 @@
  *
  * Ported to run under 386BSD by Julian Elischer (julian@tfs.com) Sept 1992
  *
- *      $Id: cd.c,v 1.52 1995/12/10 20:02:47 bde Exp $
+ *      $Id: cd.c,v 1.53 1995/12/14 09:54:18 phk Exp $
  */
 
 #define SPLCD splbio
@@ -588,7 +588,7 @@ cdstart(unit, flags)
 		return;
 	}
 	cdqueues++;
-	if(cd->dkunit) {
+	if(cd->dkunit >= 0) {
 		dk_xfer[cd->dkunit]++;
 		dk_seek[cd->dkunit]++; /* don't know */
 		dk_wds[cd->dkunit] += bp->b_bcount >> 6;