diff --git a/drivers/platform/chrome/cros_ec_typec.c b/drivers/platform/chrome/cros_ec_typec.c
index c0806c562bb9..50a68819ceb7 100644
--- a/drivers/platform/chrome/cros_ec_typec.c
+++ b/drivers/platform/chrome/cros_ec_typec.c
@@ -1119,6 +1119,12 @@ static void cros_typec_register_partner_pdos(struct cros_typec_data *typec,
 	if (!resp->source_cap_count && !resp->sink_cap_count)
 		return;
 
+	if (resp->source_cap_count > PDO_MAX_OBJECTS ||
+	    resp->sink_cap_count > PDO_MAX_OBJECTS) {
+		dev_warn(typec->dev, "Invalid PDO count from EC, port: %d\n", port_num);
+		return;
+	}
+
 	port->partner_pd = typec_partner_usb_power_delivery_register(port->partner, &desc);
 	if (IS_ERR(port->partner_pd)) {
 		dev_warn(typec->dev, "Failed to register partner PD device, port: %d\n", port_num);