Index: uspace/drv/ohci/root_hub.h
===================================================================
--- uspace/drv/ohci/root_hub.h	(revision c9dc471a859453f9bcbae4424ecdfa5ea04a5ae9)
+++ uspace/drv/ohci/root_hub.h	(revision e05d6c3de69a0c5bbef2bb7873e04df4ce3f4b05)
@@ -54,4 +54,6 @@
 	/** hubs descriptors */
 	usb_device_descriptors_t descriptors;
+	/** interrupt transfer waiting for an actual interrupt to occur */
+	usb_transfer_batch_t * unfinished_interrupt_transfer;
 } rh_t;