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authorriastradh <riastradh@NetBSD.org>2023-04-21 18:29:33 +0000
committerriastradh <riastradh@NetBSD.org>2023-04-21 18:29:33 +0000
commit99eb7d5476fa3211101dd6e281aefe1d55215c6a (patch)
tree0274f60e9dc9f7ba7f01c67edf9764a0b72c380e /sys/dev
parenta7f285ff82565847025b1a1a99b68ff3fd0bd14b (diff)
dk(4): Assert dkwedges[unit] is the sc we're about to free.
Diffstat (limited to 'sys/dev')
-rw-r--r--sys/dev/dkwedge/dk.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/sys/dev/dkwedge/dk.c b/sys/dev/dkwedge/dk.c
index ab9eb3cfdd9..3a781b09f89 100644
--- a/sys/dev/dkwedge/dk.c
+++ b/sys/dev/dkwedge/dk.c
@@ -1,4 +1,4 @@
-/* $NetBSD: dk.c,v 1.138 2023/04/21 18:29:26 riastradh Exp $ */
+/* $NetBSD: dk.c,v 1.139 2023/04/21 18:29:33 riastradh Exp $ */
/*-
* Copyright (c) 2004, 2005, 2006, 2007 The NetBSD Foundation, Inc.
@@ -30,7 +30,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: dk.c,v 1.138 2023/04/21 18:29:26 riastradh Exp $");
+__KERNEL_RCSID(0, "$NetBSD: dk.c,v 1.139 2023/04/21 18:29:33 riastradh Exp $");
#ifdef _KERNEL_OPT
#include "opt_dkwedge.h"
@@ -552,6 +552,7 @@ dkwedge_add(struct dkwedge_info *dkw)
sc->sc_cfdata.cf_name, sc->sc_cfdata.cf_unit);
rw_enter(&dkwedges_lock, RW_WRITER);
+ KASSERT(dkwedges[sc->sc_cfdata.cf_unit] == sc);
dkwedges[sc->sc_cfdata.cf_unit] = NULL;
rw_exit(&dkwedges_lock);
@@ -752,6 +753,7 @@ dkwedge_detach(device_t self, int flags)
/* Poof. */
rw_enter(&dkwedges_lock, RW_WRITER);
+ KASSERT(dkwedges[unit] == sc);
dkwedges[unit] = NULL;
sc->sc_state = DKW_STATE_DEAD;
rw_exit(&dkwedges_lock);