diff options
| author | Jason Yan <yanaijie@huawei.com> | 2017-03-10 11:27:23 +0800 |
|---|---|---|
| committer | Sasha Levin <alexander.levin@verizon.com> | 2017-07-31 13:37:53 -0400 |
| commit | 067a24af2b06aee3ac322650517e293b85d8b44b (patch) | |
| tree | 6f619ea5a40f8acabdc0deeb20e723069ea55a2a /drivers/md/md.c | |
| parent | 8067107069c5d3adaa7ab4341010b252c24b445e (diff) | |
md: fix super_offset endianness in super_1_rdev_size_change
[ Upstream commit 3fb632e40d7667d8bedfabc28850ac06d5493f54 ]
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>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Diffstat (limited to 'drivers/md/md.c')
| -rw-r--r-- | drivers/md/md.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/md/md.c b/drivers/md/md.c index 7453c3ed4b8f..1fdcd5735418 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -1852,7 +1852,7 @@ 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); md_super_write(rdev->mddev, rdev, rdev->sb_start, rdev->sb_size, rdev->sb_page); |