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