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| author | Jason Yan <yanaijie@huawei.com> | 2017-03-10 11:27:23 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-07-15 10:14:40 +0200 |
| commit | 96b50797868b81096b1149c3ab26b71a2a749d72 (patch) | |
| tree | 5b0261904d402c3864d778f8d6f504b823f76a28 | |
| parent | 7eaa7e5baa0ffb3b6ca28798f0e014f43c004f47 (diff) | |
| download | linux-stable-96b50797868b81096b1149c3ab26b71a2a749d72.tar.gz linux-stable-96b50797868b81096b1149c3ab26b71a2a749d72.tar.bz2 linux-stable-96b50797868b81096b1149c3ab26b71a2a749d72.zip | |
md: fix super_offset endianness in super_1_rdev_size_change
commit 3fb632e40d7667d8bedfabc28850ac06d5493f54 upstream.
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: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -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 a4b0b4e43b40..f88f912f0296 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -1829,7 +1829,7 @@ 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); |