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From 4ee2a7d03f6720c5f97eef93c4df4b9c52e79b5e Mon Sep 17 00:00:00 2001
From: Brian C. Lane <bcl@redhat.com>
Date: Tue, 4 Sep 2012 15:56:47 -0700
Subject: [PATCH] libparted: reallocate buf after _disk_analyse_block_size
call
The call to _disk_analyse_block_size may change the
disk->dev->sector_size, if this happens buf may be too small for
subsequent reads.
libparted/labels/mac.c (mac_read): reallocate buf
---
libparted/labels/mac.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/libparted/labels/mac.c b/libparted/labels/mac.c
index 1f59a1a..5fa8283 100644
--- a/libparted/labels/mac.c
+++ b/libparted/labels/mac.c
@@ -759,6 +759,13 @@ mac_read (PedDisk* disk)
mac_disk_data->block_size = raw_disk->block_size;
}
+ /* re-allocate buf in case _disk_analyse_block_size changed
+ * the sector_size */
+ free (buf);
+ buf = ped_malloc (disk->dev->sector_size);
+ if (!buf)
+ goto error;
+
for (num=1; num==1 || num <= last_part_entry_num; num++) {
void *raw_part = buf;
if (!ped_device_read (disk->dev, raw_part,
--
1.7.11.4