diff options
| author | Kenneth R Westerback <krw@cvs.openbsd.org> | 2015-11-12 23:49:38 +0000 |
|---|---|---|
| committer | Kenneth R Westerback <krw@cvs.openbsd.org> | 2015-11-12 23:49:38 +0000 |
| commit | acb23ac8c4634ffe2249c51ea2eacd51d63387f2 (patch) | |
| tree | 69910cbdd8bc74785ffca9703cc55142f142d048 | |
| parent | edf7d8071a2bcdb80b7980fa00d4a2c772f9bfd2 (diff) | |
'reinit mbr' must zero existing MBR and GPT partition information
before constructing default MBR.
Change last bzero() to memset().
| -rw-r--r-- | sbin/fdisk/mbr.c | 13 |
1 files changed, 6 insertions, 7 deletions
diff --git a/sbin/fdisk/mbr.c b/sbin/fdisk/mbr.c index 4024d18847c..0d291481665 100644 --- a/sbin/fdisk/mbr.c +++ b/sbin/fdisk/mbr.c @@ -1,4 +1,4 @@ -/* $OpenBSD: mbr.c,v 1.58 2015/11/12 21:31:36 krw Exp $ */ +/* $OpenBSD: mbr.c,v 1.59 2015/11/12 23:49:37 krw Exp $ */ /* * Copyright (c) 1997 Tobias Weingartner @@ -35,6 +35,7 @@ #include "part.h" #include "misc.h" #include "mbr.h" +#include "gpt.h" struct mbr initial_mbr; @@ -72,8 +73,7 @@ MBR_init_GPT(struct mbr *mbr) sz = DL_GETDSIZE(&dl); - /* Initialize a protective MBR for GPT. */ - bzero(&mbr->part, sizeof(mbr->part)); + memset(&mbr->part, 0, sizeof(mbr->part)); /* Use whole disk, starting after MBR. */ mbr->part[0].id = DOSPTYP_EFI; @@ -94,10 +94,9 @@ MBR_init(struct mbr *mbr) u_int64_t adj; daddr_t i; - /* Fix up given mbr for this disk */ - mbr->part[0].flag = 0; - mbr->part[1].flag = 0; - mbr->part[2].flag = 0; + memset(&mbr->part, 0, sizeof(mbr->part)); + memset(&gh, 0, sizeof(gh)); + memset(&gp, 0, sizeof(gp)); mbr->part[3].flag = DOSACTIVE; mbr->signature = DOSMBR_SIGNATURE; |