Index: uspace/drv/bus/usb/usbhub/usbhub.h
===================================================================
--- uspace/drv/bus/usb/usbhub/usbhub.h	(revision d15797de77c0b69b5bef26ccf17a3c40947a75df)
+++ uspace/drv/bus/usb/usbhub/usbhub.h	(revision a53ed3a8097360ccf174e8d94fb407db919eb66a)
@@ -83,7 +83,7 @@
 extern const usb_endpoint_description_t hub_status_change_endpoint_description;
 
-extern int usb_hub_device_add(usb_device_t *);
-extern int usb_hub_device_remove(usb_device_t *);
-extern int usb_hub_device_gone(usb_device_t *);
+extern errno_t usb_hub_device_add(usb_device_t *);
+extern errno_t usb_hub_device_remove(usb_device_t *);
+extern errno_t usb_hub_device_gone(usb_device_t *);
 
 extern bool hub_port_changes_callback(usb_device_t *, uint8_t *, size_t,