disk: fix unaligned access in efi partitions

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>

disk: fix unaligned access in efi partitions
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>
Marc Dietrich · Tom Rini
1 parent 795659dc1c
Showing 1 changed file with 2 additions and 1 deletions Side-by-side Diff
disk/part_efi.c
@@ -30,6 +30,7 @@
  *
  * This limits the maximum size of addressable storage to < 2 Terra Bytes
  */
+#include <asm/unaligned.h>
 #include <common.h>
 #include <command.h>
 #include <ide.h>
@@ -505,7 +506,7 @@
 static int pmbr_part_valid(struct partition *part)
 {
 	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;
 	}
...	...	@@ -30,6 +30,7 @@
30	30	*
31	31	* This limits the maximum size of addressable storage to < 2 Terra Bytes
32	32	*/
	33	+#include <asm/unaligned.h>
33	34	#include <common.h>
34	35	#include <command.h>
35	36	#include <ide.h>
...	...	@@ -505,7 +506,7 @@
505	506	static int pmbr_part_valid(struct partition *part)
506	507	{
507	508	if (part->sys_ind == EFI_PMBR_OSTYPE_EFI_GPT &&
508		- le32_to_cpu(part->start_sect) == 1UL) {
	509	+ get_unaligned_le32(&part->start_sect) == 1UL) {
509	510	return 1;
510	511	}
511	512