Index: uspace/drv/bus/isa/isa.c
===================================================================
--- uspace/drv/bus/isa/isa.c	(revision b19e892c22afbf67aa5988554dd3f003efeadc04)
+++ uspace/drv/bus/isa/isa.c	(revision 163fc0963aff02c35c25572b75d24681834e9f1c)
@@ -298,5 +298,5 @@
 
 	if (opened)
-		close(fd);
+		vfs_put(fd);
 
 	return buf;