42 lines
1.4 KiB
Diff
42 lines
1.4 KiB
Diff
From f515b5a54a929896c9ad1482f05c060f4a1b9893 Mon Sep 17 00:00:00 2001
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From: Petr Uzel <petr.uzel@suse.cz>
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Date: Fri, 5 Jun 2009 14:14:11 +0200
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Subject: [PATCH] do not discard bootcode from extended partition
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* libparted/labels/dos.c (write_ext_table): Do not discard
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bootcode from extended partition on msdos label when some of
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the logical partitions are changed.
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Signed-off-by: Petr Uzel <petr.uzel@suse.cz>
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---
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libparted/labels/dos.c | 6 ++++--
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1 files changed, 4 insertions(+), 2 deletions(-)
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diff --git a/libparted/labels/dos.c b/libparted/labels/dos.c
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index b4cd23a..fc54339 100644
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--- a/libparted/labels/dos.c
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+++ b/libparted/labels/dos.c
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@@ -1060,7 +1060,8 @@ write_ext_table (const PedDisk* disk,
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lba_offset = ped_disk_extended_partition (disk)->geom.start;
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- memset (&table, 0, sizeof (DosRawTable));
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+ ped_device_read (disk->dev, &table, sector, 1);
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+ memset (&(table.partitions), 0, 4 * sizeof(DosRawPartition));
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table.magic = PED_CPU_TO_LE16 (MSDOS_MAGIC);
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if (!fill_raw_part (&table.partitions[0], logical, sector))
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@@ -1094,7 +1095,8 @@ write_empty_table (const PedDisk* disk, PedSector sector)
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PED_ASSERT (disk != NULL, return 0);
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- memset (&table, 0, sizeof (DosRawTable));
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+ ped_device_read (disk->dev, &table, sector, 1);
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+ memset (&(table.partitions), 0, 4 * sizeof(DosRawPartition));
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table.magic = PED_CPU_TO_LE16 (MSDOS_MAGIC);
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return ped_device_write (disk->dev, (void*) &table, sector, 1);
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--
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1.6.0.6
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