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disk: fix unaligned access in efi partitions

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start_sect is not aligned to a 4 byte boundary thus causing exceptions
on ARM platforms. Access this field via the get_unaligned_le32 macro.

Signed-off-by: Marc Dietrich <marvin24@gmx.de>
This commit is contained in:
Marc Dietrich 2013-03-29 07:57:10 +00:00 committed by Tom Rini
parent 795659dc1c
commit 8faefadb73
1 changed files with 2 additions and 1 deletions
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3
disk/part_efi.c
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@ -30,6 +30,7 @@
* *
* This limits the maximum size of addressable storage to < 2 Terra Bytes * This limits the maximum size of addressable storage to < 2 Terra Bytes
*/ */
#include <asm/unaligned.h>
#include <common.h> #include <common.h>
#include <command.h> #include <command.h>
#include <ide.h> #include <ide.h>
@ -505,7 +506,7 @@ err:
static int pmbr_part_valid(struct partition *part) static int pmbr_part_valid(struct partition *part)
{ {
if (part->sys_ind == EFI_PMBR_OSTYPE_EFI_GPT && if (part->sys_ind == EFI_PMBR_OSTYPE_EFI_GPT &&
le32_to_cpu(part->start_sect) == 1UL) { get_unaligned_le32(&part->start_sect) == 1UL) {
return 1; return 1;
} }