This reverts commit 8639e34d2c5e12cc2e45c95b1a2e97c22bf6a711.
The blk_dread() call following the allocation will read one block from
the device. This will lead to overflow if the blocksize is greater than
the size of legacy_mbr. Fix this by allocating one block size.
Signed-off-by: Faiz Abbas <faiz_ab...@ti.com>
---
disk/part_dos.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/disk/part_dos.c b/disk/part_dos.c
index aae9d95906..24d23ad247 100644
--- a/disk/part_dos.c
+++ b/disk/part_dos.c
@@ -93,7 +93,7 @@ static int test_block_type(unsigned char *buffer)
static int part_test_dos(struct blk_desc *dev_desc)
{
#ifndef CONFIG_SPL_BUILD
- ALLOC_CACHE_ALIGN_BUFFER(legacy_mbr, mbr, 1);
+ ALLOC_CACHE_ALIGN_BUFFER(legacy_mbr, mbr, dev_desc->blksz);
if (blk_dread(dev_desc, 0, 1, (ulong *)mbr) != 1)
return -1;
--
2.19.2
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