[PATCH 4.9 16/25] md: fix incorrect use of lexx_to_cpu in does_sb_need_changing
From: Greg Kroah-Hartman
Date: Thu Jul 13 2017 - 12:03:46 EST
4.9-stable review patch. If anyone has any objections, please let me know.
------------------
From: Jason Yan <yanaijie@xxxxxxxxxx>
commit 1345921393ba23b60d3fcf15933e699232ad25ae upstream.
The sb->layout is of type __le32, so we shoud use le32_to_cpu.
Signed-off-by: Jason Yan <yanaijie@xxxxxxxxxx>
Signed-off-by: Shaohua Li <shli@xxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/md/md.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -2270,7 +2270,7 @@ static bool does_sb_need_changing(struct
/* Check if any mddev parameters have changed */
if ((mddev->dev_sectors != le64_to_cpu(sb->size)) ||
(mddev->reshape_position != le64_to_cpu(sb->reshape_position)) ||
- (mddev->layout != le64_to_cpu(sb->layout)) ||
+ (mddev->layout != le32_to_cpu(sb->layout)) ||
(mddev->raid_disks != le32_to_cpu(sb->raid_disks)) ||
(mddev->chunk_sectors != le32_to_cpu(sb->chunksize)))
return true;