diff --git a/drivers/soundwire/qcom.c b/drivers/soundwire/qcom.c
index 3d8f5a81eff1..b288218f64b4 100644
--- a/drivers/soundwire/qcom.c
+++ b/drivers/soundwire/qcom.c
@@ -1271,7 +1271,7 @@ static int qcom_swrm_stream_alloc_ports(struct qcom_swrm_ctrl *ctrl,
 				else
 					pn = find_first_zero_bit(port_mask, maxport);
 
-				if (pn > maxport) {
+				if (pn >= maxport) {
 					dev_err(ctrl->dev, "All ports busy\n");
 					return -EBUSY;
 				}