Index: uspace/lib/usbhost/include/usb/host/usb_device_manager.h
===================================================================
--- uspace/lib/usbhost/include/usb/host/usb_device_manager.h	(revision 48ae3ef60beee610cc95a4e34ea78d76a44715e0)
+++ uspace/lib/usbhost/include/usb/host/usb_device_manager.h	(revision 2fd1f0c6600551879c294c9568c0922247784fad)
@@ -69,8 +69,8 @@
     usb_device_manager_t *instance, usb_speed_t speed);
 
-void usb_device_manager_bind(usb_device_manager_t *instance,
+int usb_device_manager_bind(usb_device_manager_t *instance,
     usb_address_t address, devman_handle_t handle);
 
-void usb_device_manager_release(usb_device_manager_t *instance,
+int usb_device_manager_release(usb_device_manager_t *instance,
     usb_address_t address);