Btrfs: Properly setup root key while reading the root

Signed-off-by: Chris Mason <chris.mason@oracle.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index 5accced2858a..5a7e60d7f443 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -410,6 +410,7 @@ struct btrfs_root *btrfs_read_fs_root_no_radix(struct btrfs_fs_info *fs_info,
         read_extent_buffer(l, &root->root_item,
                btrfs_item_ptr_offset(l, path->slots[0]),
                sizeof(root->root_item));
+        memcpy(&root->root_key, location, sizeof(*location));
         ret = 0;
 out:
         btrfs_release_path(root, path);