[src/trunk]: src/sys/dev/dm Add a sanity check for missing functions in dmt

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

details:   https://anonhg.NetBSD.org/src/rev/fb504cd1b1f0
branches:  trunk
changeset: 768796:fb504cd1b1f0
user:      ahoka <ahoka%NetBSD.org@localhost>
date:      Sat Aug 27 17:06:08 2011 +0000

description:
Add a sanity check for missing functions in dmt

diffstat:

 sys/dev/dm/dm_target.c |  12 +++++++++++-
 1 files changed, 11 insertions(+), 1 deletions(-)

diffs (26 lines):

diff -r c656258deb59 -r fb504cd1b1f0 sys/dev/dm/dm_target.c
--- a/sys/dev/dm/dm_target.c    Sat Aug 27 17:05:57 2011 +0000
+++ b/sys/dev/dm/dm_target.c    Sat Aug 27 17:06:08 2011 +0000
@@ -1,4 +1,4 @@
-/*        $NetBSD: dm_target.c,v 1.15 2010/12/23 14:58:13 mlelstv Exp $      */
+/*        $NetBSD: dm_target.c,v 1.16 2011/08/27 17:06:08 ahoka Exp $      */
 
 /*
  * Copyright (c) 2008 The NetBSD Foundation, Inc.
@@ -150,6 +150,16 @@
 {
        dm_target_t *dmt;
 
+       /* Sanity check for any missing function */
+       KASSERT(dmt->init != NULL);
+       KASSERT(dmt->status != NULL);
+       KASSERT(dmt->strategy != NULL);
+       KASSERT(dmt->deps != NULL);
+       KASSERT(dmt->destroy != NULL);
+       KASSERT(dmt->upcall != NULL);
+       KASSERT(dmt->sync != NULL);
+       KASSERT(dmt->secsize != NULL);
+
        mutex_enter(&dm_target_mutex);
 
        dmt = dm_target_lookup_name(dm_target->name);