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