From 97a337185fd7efb915bdb76cf17d618fd7c5ef23 Mon Sep 17 00:00:00 2001
From: Marcel Moolenaar <marcel@FreeBSD.org>
Date: Wed, 9 Aug 2006 20:19:15 +0000
Subject: [PATCH] Fix a bug in the size of the PMBR partition. Since the
 partition starts at LBA 1, the size is not the mediasize in sectors, but one
 less.

---
 lib/libdisk/write_ia64_disk.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/lib/libdisk/write_ia64_disk.c b/lib/libdisk/write_ia64_disk.c
index 0b57fdff5f5..6a57322adb1 100644
--- a/lib/libdisk/write_ia64_disk.c
+++ b/lib/libdisk/write_ia64_disk.c
@@ -123,6 +123,8 @@ write_pmbr(int fd, const struct disk *disk)
 
 	error = 0;
 	nsects = disk->media_size / disk->sector_size;
+	nsects--;	/* The GPT starts at LBA 1 */
+
 	buffer = calloc(disk->sector_size, 1);
 	if (buffer == NULL)
 		return (ENOMEM);