From 54193c5d8133f4f35267f412e5c1bbcbc6ac041c Mon Sep 17 00:00:00 2001 From: Sergei Shtylyov Date: Fri, 3 Jun 2011 09:37:43 +0000 Subject: part_dos: fix crash with big sector size Apple iPod nanos have sector sizes of 2 or 4 KiB, which crashes U-Boot when it tries to read the MBR into 512-byte buffer situated on stack. Instead use the variable length arrays to be safe with any large sector size. Signed-off-by: Sergei Shtylyov --- disk/part_dos.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'disk/part_dos.c') diff --git a/disk/part_dos.c b/disk/part_dos.c index 2de1bb83b7..b5bcb3735c 100644 --- a/disk/part_dos.c +++ b/disk/part_dos.c @@ -87,7 +87,7 @@ static int test_block_type(unsigned char *buffer) int test_part_dos (block_dev_desc_t *dev_desc) { - unsigned char buffer[DEFAULT_SECTOR_SIZE]; + unsigned char buffer[dev_desc->blksz]; if ((dev_desc->block_read(dev_desc->dev, 0, 1, (ulong *) buffer) != 1) || (buffer[DOS_PART_MAGIC_OFFSET + 0] != 0x55) || @@ -102,7 +102,7 @@ int test_part_dos (block_dev_desc_t *dev_desc) static void print_partition_extended (block_dev_desc_t *dev_desc, int ext_part_sector, int relative, int part_num) { - unsigned char buffer[DEFAULT_SECTOR_SIZE]; + unsigned char buffer[dev_desc->blksz]; dos_partition_t *pt; int i; @@ -166,7 +166,7 @@ static int get_partition_info_extended (block_dev_desc_t *dev_desc, int ext_part int relative, int part_num, int which_part, disk_partition_t *info) { - unsigned char buffer[DEFAULT_SECTOR_SIZE]; + unsigned char buffer[dev_desc->blksz]; dos_partition_t *pt; int i; -- cgit v1.2.3