diff --git a/drivers/usb/serial/ir-usb.c b/drivers/usb/serial/ir-usb.c
index 302eb9530859..c3b06fc5a7f0 100644
--- a/drivers/usb/serial/ir-usb.c
+++ b/drivers/usb/serial/ir-usb.c
@@ -195,6 +195,9 @@ static int ir_startup(struct usb_serial *serial)
 	struct usb_irda_cs_descriptor *irda_desc;
 	int rates;
 
+	if (serial->num_bulk_in < 1 || serial->num_bulk_out < 1)
+		return -ENODEV;
+
 	irda_desc = irda_usb_find_class_desc(serial, 0);
 	if (!irda_desc) {
 		dev_err(&serial->dev->dev,