static void nfs4_proc_rename_rpc_prepare(struct rpc_task *task, struct nfs_renamedata *data)
{
	if (nfs4_setup_sequence(NFS_SERVER(data->old_dir),
				&data->args.seq_args,
				&data->res.seq_res,
				task))
		return;
	rpc_call_start(task);
}

This weakness involves numeric computation errors, such as integer overflows, underflows, or precision losses, which can lead to miscalculations and exploitable behaviors in software.