Index: uspace/lib/drv/generic/driver.c
===================================================================
--- uspace/lib/drv/generic/driver.c	(revision 0777a9337ad0e793115616f6da75d999cfb1e7c5)
+++ uspace/lib/drv/generic/driver.c	(revision d83663074f80313df3a9070a823f80355dfebb7e)
@@ -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);