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