Index: uspace/lib/drv/generic/driver.c
===================================================================
--- uspace/lib/drv/generic/driver.c	(revision 9df0f64255a1e09efd87f6b2371e99e87f9e8350)
+++ uspace/lib/drv/generic/driver.c	(revision 433d52fe91b3e7709b7bb9c89bfee0764f64b33b)
@@ -526,4 +526,6 @@
 		return NULL;
 
+	refcount_init(&dev->refcnt);
+
 	return dev;
 }
@@ -541,4 +543,5 @@
 		return NULL;
 
+	refcount_init(&fun->refcnt);
 	init_match_ids(&fun->match_ids);
 	link_initialize(&fun->link);