Index: uspace/srv/fs/cdfs/cdfs_ops.c
===================================================================
--- uspace/srv/fs/cdfs/cdfs_ops.c	(revision 062d9000625057300f609429080872d6492b542e)
+++ uspace/srv/fs/cdfs/cdfs_ops.c	(revision 297cb737a128894be4e31ffafb7da3e0005ff683)
@@ -267,5 +267,5 @@
 	.key_hash = nodes_key_hash,
 	.key_equal = nodes_key_equal,
-	.equal = 0,
+	.equal = NULL,
 	.remove_callback = nodes_remove_callback
 };