source = get_source(m, prev_dest_mnt, prev_src_mnt, &type);
- if (!(child = copy_tree(source, source->mnt.mnt_root, type))) {
- ret = -ENOMEM;
+ child = copy_tree(source, source->mnt.mnt_root, type);
+ if (IS_ERR(child)) {
+ ret = PTR_ERR(child);
list_splice(tree_list, tmp_list.prev);
goto out;
}
prev_src_mnt = child;
}
out:
- br_write_lock(vfsmount_lock);
+ br_write_lock(&vfsmount_lock);
while (!list_empty(&tmp_list)) {
child = list_first_entry(&tmp_list, struct mount, mnt_hash);
umount_tree(child, 0, &umount_list);
}
- br_write_unlock(vfsmount_lock);
+ br_write_unlock(&vfsmount_lock);
release_mounts(&umount_list);
return ret;
}