diff --git a/fs/btrfs/export.c b/fs/btrfs/export.c index 08cd8c4a02a5..eba6c6d27bad 100644 --- a/fs/btrfs/export.c +++ b/fs/btrfs/export.c @@ -82,12 +82,17 @@ static struct dentry *btrfs_get_dentry(struct super_block *sb, u64 objectid, err = PTR_ERR(root); goto fail; } + if (!btrfs_grab_fs_root(root)) { + err = -ENOENT; + goto fail; + } key.objectid = objectid; key.type = BTRFS_INODE_ITEM_KEY; key.offset = 0; inode = btrfs_iget(sb, &key, root); + btrfs_put_fs_root(root); if (IS_ERR(inode)) { err = PTR_ERR(inode); goto fail;