[src/trunk]: src/sys/dev Memset disklabel area to zero before beginning when ...

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

details:   https://anonhg.NetBSD.org/src/rev/88bb0ff0b98b
branches:  trunk
changeset: 540502:88bb0ff0b98b
user:      elric <elric%NetBSD.org@localhost>
date:      Tue Dec 17 01:55:44 2002 +0000

description:
Memset disklabel area to zero before beginning when constructing default
labels.  Problem noticed and tested by dan@.

diffstat:

 sys/dev/dksubr.c |  4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)

diffs (18 lines):

diff -r 23aa4d89d485 -r 88bb0ff0b98b sys/dev/dksubr.c
--- a/sys/dev/dksubr.c  Tue Dec 17 01:17:44 2002 +0000
+++ b/sys/dev/dksubr.c  Tue Dec 17 01:55:44 2002 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: dksubr.c,v 1.3 2002/10/12 22:43:25 elric Exp $ */
+/* $NetBSD: dksubr.c,v 1.4 2002/12/17 01:55:44 elric Exp $ */
 
 /*-
  * Copyright (c) 1996, 1997, 1998, 1999, 2002 The NetBSD Foundation, Inc.
@@ -409,6 +409,8 @@
 {
        struct dk_geom *pdg = &dksc->sc_geom;
 
+       memset(lp, 0, sizeof(*lp));
+
        lp->d_secperunit = dksc->sc_size;
        lp->d_secsize = pdg->pdg_secsize;
        lp->d_nsectors = pdg->pdg_nsectors;