From: Jason Yan <yanaijie@huawei.com>
Date: Fri, 10 Mar 2017 03:27:23 +0000 (+0800)
Subject: md: fix super_offset endianness in super_1_rdev_size_change
X-Git-Tag: v4.14-rc1~1285^2~3
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=3fb632e40d7667d8bedfabc28850ac06d5493f54;p=platform%2Fkernel%2Flinux-rpi3.git

md: fix super_offset endianness in super_1_rdev_size_change

The sb->super_offset should be big-endian, but the rdev->sb_start is in
host byte order, so fix this by adding cpu_to_le64.

Signed-off-by: Jason Yan <yanaijie@huawei.com>
Signed-off-by: Shaohua Li <shli@fb.com>
---

diff --git a/drivers/md/md.c b/drivers/md/md.c
index cd89ad3..6e76d97 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -1879,7 +1879,7 @@ super_1_rdev_size_change(struct md_rdev *rdev, sector_t num_sectors)
 	}
 	sb = page_address(rdev->sb_page);
 	sb->data_size = cpu_to_le64(num_sectors);
-	sb->super_offset = rdev->sb_start;
+	sb->super_offset = cpu_to_le64(rdev->sb_start);
 	sb->sb_csum = calc_sb_1_csum(sb);
 	do {
 		md_super_write(rdev->mddev, rdev, rdev->sb_start, rdev->sb_size,