Module Name: src
Committed By: riastradh
Date: Fri Aug 12 17:06:01 UTC 2022
Modified Files:
src/sys/miscfs/specfs: spec_vnops.c
Log Message:
specfs: Assert !closing on successful open.
- If there's a prior concurrent close, it must have interrupted this
open.
- If there's a new concurrent close, it must wait until this open has
released device_lock before it can revoke.
To generate a diff of this commit:
cvs rdiff -u -r1.212 -r1.213 src/sys/miscfs/specfs/spec_vnops.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/miscfs/specfs/spec_vnops.c
diff -u src/sys/miscfs/specfs/spec_vnops.c:1.212 src/sys/miscfs/specfs/spec_vnops.c:1.213
--- src/sys/miscfs/specfs/spec_vnops.c:1.212 Fri Aug 12 17:05:49 2022
+++ src/sys/miscfs/specfs/spec_vnops.c Fri Aug 12 17:06:01 2022
@@ -1,4 +1,4 @@
-/* $NetBSD: spec_vnops.c,v 1.212 2022/08/12 17:05:49 riastradh Exp $ */
+/* $NetBSD: spec_vnops.c,v 1.213 2022/08/12 17:06:01 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 1.212 2022/08/12 17:05:49 riastradh Exp $");
+__KERNEL_RCSID(0, "$NetBSD: spec_vnops.c,v 1.213 2022/08/12 17:06:01 riastradh Exp $");
#include <sys/param.h>
#include <sys/proc.h>
@@ -967,6 +967,7 @@ spec_open(void *v)
KASSERTMSG(sn->sn_opencnt <= sd->sd_opencnt,
"sn_opencnt=%u > sd_opencnt=%u",
sn->sn_opencnt, sd->sd_opencnt);
+ KASSERT(!sd->sd_closing);
sd->sd_opened = true;
} else if (sd->sd_opencnt == 1 && sd->sd_opened) {
/*
