static int qcom_slim_ngd_get_laddr()

in qcom-ngd-ctrl.c [1019:1060]

• 34 lines of code
• 4 McCabe index (conditional complexity)

static int qcom_slim_ngd_get_laddr(struct slim_controller *ctrl,
				   struct slim_eaddr *ea, u8 *laddr)
{
	struct slim_val_inf msg =  {0};
	u8 failed_ea[6] = {0, 0, 0, 0, 0, 0};
	struct slim_msg_txn txn;
	u8 wbuf[10] = {0};
	u8 rbuf[10] = {0};
	int ret;

	txn.mt = SLIM_MSG_MT_DEST_REFERRED_USER;
	txn.dt = SLIM_MSG_DEST_LOGICALADDR;
	txn.la = SLIM_LA_MGR;
	txn.ec = 0;

	txn.mc = SLIM_USR_MC_ADDR_QUERY;
	txn.rl = 11;
	txn.msg = &msg;
	txn.msg->num_bytes = 7;
	txn.msg->wbuf = wbuf;
	txn.msg->rbuf = rbuf;

	ret = slim_alloc_txn_tid(ctrl, &txn);
	if (ret < 0)
		return ret;

	wbuf[0] = (u8)txn.tid;
	memcpy(&wbuf[1], ea, sizeof(*ea));

	ret = qcom_slim_ngd_xfer_msg_sync(ctrl, &txn);
	if (ret) {
		slim_free_txn_tid(ctrl, &txn);
		return ret;
	}

	if (!memcmp(rbuf, failed_ea, 6))
		return -ENXIO;

	*laddr = rbuf[6];

	return ret;
}