diff --git a/drivers/soundwire/qcom.c b/drivers/soundwire/qcom.c
index 866026185c66..21c50972047f 100644
--- a/drivers/soundwire/qcom.c
+++ b/drivers/soundwire/qcom.c
@@ -1209,6 +1209,9 @@ static int qcom_swrm_get_port_config(struct qcom_swrm_ctrl *ctrl)
 	ctrl->num_dout_ports = val;
 
 	nports = ctrl->num_dout_ports + ctrl->num_din_ports;
+	if (nports > QCOM_SDW_MAX_PORTS)
+		return -EINVAL;
+
 	/* Valid port numbers are from 1-14, so mask out port 0 explicitly */
 	set_bit(0, &ctrl->dout_port_mask);
 	set_bit(0, &ctrl->din_port_mask);