static int qcom_slim_qmi_send_select_inst_req()

in qcom-ngd-ctrl.c [348:385]

• 33 lines of code
• 5 McCabe index (conditional complexity)

static int qcom_slim_qmi_send_select_inst_req(struct qcom_slim_ngd_ctrl *ctrl,
				struct slimbus_select_inst_req_msg_v01 *req)
{
	struct slimbus_select_inst_resp_msg_v01 resp = { { 0, 0 } };
	struct qmi_txn txn;
	int rc;

	rc = qmi_txn_init(ctrl->qmi.handle, &txn,
				slimbus_select_inst_resp_msg_v01_ei, &resp);
	if (rc < 0) {
		dev_err(ctrl->dev, "QMI TXN init fail: %d\n", rc);
		return rc;
	}

	rc = qmi_send_request(ctrl->qmi.handle, NULL, &txn,
				SLIMBUS_QMI_SELECT_INSTANCE_REQ_V01,
				SLIMBUS_QMI_SELECT_INSTANCE_REQ_MAX_MSG_LEN,
				slimbus_select_inst_req_msg_v01_ei, req);
	if (rc < 0) {
		dev_err(ctrl->dev, "QMI send req fail %d\n", rc);
		qmi_txn_cancel(&txn);
		return rc;
	}

	rc = qmi_txn_wait(&txn, SLIMBUS_QMI_RESP_TOUT);
	if (rc < 0) {
		dev_err(ctrl->dev, "QMI TXN wait fail: %d\n", rc);
		return rc;
	}
	/* Check the response */
	if (resp.resp.result != QMI_RESULT_SUCCESS_V01) {
		dev_err(ctrl->dev, "QMI request failed 0x%x\n",
			resp.resp.result);
		return -EREMOTEIO;
	}

	return 0;
}