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 33c29521d96b892e096419a2fd8beb867e2596f6)
@@ -267,5 +267,5 @@
 	.key_hash = nodes_key_hash,
 	.key_equal = nodes_key_equal,
-	.equal = 0,
+	.equal = NULL,
 	.remove_callback = nodes_remove_callback
 };