diff options
Diffstat (limited to 'fs/btrfs/disk-io.c')
| -rw-r--r-- | fs/btrfs/disk-io.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c index ce36a4b9c8a3..76b888728540 100644 --- a/fs/btrfs/disk-io.c +++ b/fs/btrfs/disk-io.c @@ -1537,6 +1537,7 @@ void btrfs_free_fs_info(struct btrfs_fs_info *fs_info) kfree(fs_info->free_space_root); kfree(fs_info->super_copy); kfree(fs_info->super_for_commit); + btrfs_put_fs_root(fs_info->fs_root); kvfree(fs_info); } @@ -3206,6 +3207,13 @@ int __cold open_ctree(struct super_block *sb, goto fail_qgroup; } + if (!btrfs_grab_fs_root(fs_info->fs_root)) { + fs_info->fs_root = NULL; + err = -ENOENT; + btrfs_warn(fs_info, "failed to grab a ref on the fs tree"); + goto fail_qgroup; + } + if (sb_rdonly(sb)) return 0; |