Patch "md: fix incorrect use of lexx_to_cpu in does_sb_need_changing" has been added to the 4.9-stable tree

Patch "md: fix incorrect use of lexx_to_cpu in does_sb_need_changing" has been added to the 4.9-stable tree

[gregkh]

This is a note to let you know that I've just added the patch titled

    md: fix incorrect use of lexx_to_cpu in does_sb_need_changing

to the 4.9-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     md-fix-incorrect-use-of-lexx_to_cpu-in-does_sb_need_changing.patch
and it can be found in the queue-4.9 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@vger.kernel.org> know about it.


>From 1345921393ba23b60d3fcf15933e699232ad25ae Mon Sep 17 00:00:00 2001
From: Jason Yan <yanaijie@huawei.com>
Date: Fri, 10 Mar 2017 11:49:12 +0800
Subject: md: fix incorrect use of lexx_to_cpu in does_sb_need_changing

From: Jason Yan <yanaijie@huawei.com>

commit 1345921393ba23b60d3fcf15933e699232ad25ae upstream.

The sb->layout is of type __le32, so we shoud use le32_to_cpu.

Signed-off-by: Jason Yan <yanaijie@huawei.com>
Signed-off-by: Shaohua Li <shli@fb.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 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;


Patches currently in stable-queue which might be from yanaijie@huawei.com are

queue-4.9/md-fix-incorrect-use-of-lexx_to_cpu-in-does_sb_need_changing.patch
queue-4.9/md-fix-super_offset-endianness-in-super_1_rdev_size_change.patch