--- truecrypt-4.3a/Linux/Kernel/Dm-target.c.orig	2009-03-30 01:21:25.386081862 +0900
+++ truecrypt-4.3a/Linux/Kernel/Dm-target.c	2009-03-30 01:21:46.450270403 +0900
@@ -705,10 +705,7 @@
 {
 	int r;
 
-	r = dm_unregister_target (&truecrypt_target);
-
-	if (r < 0)
-		error ("unregister failed %d", r);
+	dm_unregister_target (&truecrypt_target);
 
 	destroy_workqueue (work_queue);
 	kmem_cache_destroy (bio_ctx_cache);