}
	if f.Length > 0 {
		// Check whether the client has flow control quota.
		if !http2takeInflows(&sc.inflow, &st.inflow, f.Length) {
			return sc.countError("flow_on_data_length", http2streamError(id, http2ErrCodeFlowControl))
		}

		if len(data) > 0 {
			st.bodyBytes += int64(len(data))
			wrote, err := st.body.Write(data)
			if err != nil {