diff --git a/drivers/tty/ehv_bytechan.c b/drivers/tty/ehv_bytechan.c
index 4ab936b..4193afb 100644
--- a/drivers/tty/ehv_bytechan.c
+++ b/drivers/tty/ehv_bytechan.c
@@ -757,6 +757,7 @@
 	return 0;
 
 error:
+	tty_port_destroy(&bc->port);
 	irq_dispose_mapping(bc->tx_irq);
 	irq_dispose_mapping(bc->rx_irq);
 
@@ -770,6 +771,7 @@
 
 	tty_unregister_device(ehv_bc_driver, bc - bcs);
 
+	tty_port_destroy(&bc->port);
 	irq_dispose_mapping(bc->tx_irq);
 	irq_dispose_mapping(bc->rx_irq);