diff -up krb5-1.6.1/src/plugins/kdb/db2/kdb_db2.c.orig krb5-1.6.1/src/plugins/kdb/db2/kdb_db2.c
--- krb5-1.6.1/src/plugins/kdb/db2/kdb_db2.c.orig	2011-04-08 16:41:04.401546515 +0200
+++ krb5-1.6.1/src/plugins/kdb/db2/kdb_db2.c	2011-04-08 16:44:27.722781456 +0200
@@ -655,9 +655,7 @@ krb5_db2_db_unlock(krb5_context context)
     dal_handle = (kdb5_dal_handle *) context->db_context;
     db_ctx = (krb5_db2_context *) dal_handle->db_context;
 
-    if ((retval = osa_adb_release_lock(db_ctx->policy_db))) {
-	return retval;
-    }
+    osa_adb_release_lock(db_ctx->policy_db);
 
     if (!db_ctx->db_locks_held)	/* lock already unlocked */
 	return KRB5_KDB_NOTLOCKED;