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From 1190dc5b214ce6ba4cbeadbdd599ab3ebb2cbb13 Mon Sep 17 00:00:00 2001
From: "Richard W.M. Jones" <rjones@redhat.com>
Date: Fri, 8 Jun 2012 14:42:45 -0700
Subject: [PATCH] libparted: Fix endian error with FirstUsableLBA (#829960)
On big-endial systems (eg. ppc64) this would cause parted to
crash.
* NEWS: add new bugfix
* libparted/labels/gpt.c (gpt_get_max_supported_partition_count):
fix endian issues with pth->FirstUsableLBA
---
NEWS | 3 ++-
libparted/labels/gpt.c | 4 ++--
2 files changed, 4 insertions(+), 3 deletions(-)
diff --git a/NEWS b/NEWS
index b0a0657..596ab37 100644
--- a/NEWS
+++ b/NEWS
@@ -1,9 +1,10 @@
GNU parted NEWS -*- outline -*-
-* Noteworthy changes in release 3.1-2 (2012-03-21) [Fedora]
+* Noteworthy changes in release 3.1-4 (2012-06-08) [Fedora]
** Bug Fixes
+ libparted: Don't crash on big-endian systems when using GPT
libparted: Treat disks without a PMBR as msdos labeled disks
even if they have GPT partition tables.
diff --git a/libparted/labels/gpt.c b/libparted/labels/gpt.c
index ab2145e..6ca33c8 100644
--- a/libparted/labels/gpt.c
+++ b/libparted/labels/gpt.c
@@ -1787,12 +1787,12 @@ gpt_get_max_supported_partition_count (const PedDisk *disk, int *max_n)
if (!_header_is_valid (disk, pth, 1))
{
- pth->FirstUsableLBA = 34;
+ pth->FirstUsableLBA = PED_CPU_TO_LE64 (34);
pth->SizeOfPartitionEntry
= PED_CPU_TO_LE32 (sizeof (GuidPartitionEntry_t));
}
- *max_n = (disk->dev->sector_size * (pth->FirstUsableLBA - 2)
+ *max_n = (disk->dev->sector_size * (PED_LE64_TO_CPU (pth->FirstUsableLBA)-2)
/ PED_LE32_TO_CPU (pth->SizeOfPartitionEntry));
pth_free (pth);
return true;
--
1.7.7.6