[src/trunk]: src/sys/miscfs/specfs specfs: If sd_opencnt is zero, sn_opencnt ...

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

details:   https://anonhg.NetBSD.org/src/rev/ce9bf1fbbc33
branches:  trunk
changeset: 364507:ce9bf1fbbc33
user:      riastradh <riastradh%NetBSD.org@localhost>
date:      Mon Mar 28 12:36:00 2022 +0000

description:
specfs: If sd_opencnt is zero, sn_opencnt had better be zero.

diffstat:

 sys/miscfs/specfs/spec_vnops.c |  5 +++--
 1 files changed, 3 insertions(+), 2 deletions(-)

diffs (26 lines):

diff -r 40f225c138df -r ce9bf1fbbc33 sys/miscfs/specfs/spec_vnops.c
--- a/sys/miscfs/specfs/spec_vnops.c    Mon Mar 28 12:35:52 2022 +0000
+++ b/sys/miscfs/specfs/spec_vnops.c    Mon Mar 28 12:36:00 2022 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: spec_vnops.c,v 1.196 2022/03/28 12:35:52 riastradh Exp $       */
+/*     $NetBSD: spec_vnops.c,v 1.197 2022/03/28 12:36:00 riastradh Exp $       */
 
 /*-
  * Copyright (c) 2008 The NetBSD Foundation, Inc.
@@ -58,7 +58,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: spec_vnops.c,v 1.196 2022/03/28 12:35:52 riastradh Exp $");
+__KERNEL_RCSID(0, "$NetBSD: spec_vnops.c,v 1.197 2022/03/28 12:36:00 riastradh Exp $");
 
 #include <sys/param.h>
 #include <sys/proc.h>
@@ -581,6 +581,7 @@
                        error = EBUSY;
                        break;
                }
+               KASSERTMSG(sn->sn_opencnt == 0, "%u", sn->sn_opencnt);
                sn->sn_opencnt = 1;
                sd->sd_opencnt = 1;
                sd->sd_bdevvp = vp;