From e4a6f5c8b8de0429578cd09913f1d41d0a1fd82f Mon Sep 17 00:00:00 2001
From: Andrew Tridgell <tridge@samba.org>
Date: Thu, 17 Dec 2009 23:50:41 +1100
Subject: s4-dsdb: handle links with no backlinks in replmd_delete

---
 source4/dsdb/samdb/ldb_modules/repl_meta_data.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/source4/dsdb/samdb/ldb_modules/repl_meta_data.c b/source4/dsdb/samdb/ldb_modules/repl_meta_data.c
index 689b24f398..e184181f01 100644
--- a/source4/dsdb/samdb/ldb_modules/repl_meta_data.c
+++ b/source4/dsdb/samdb/ldb_modules/repl_meta_data.c
@@ -2038,10 +2038,9 @@ static int replmd_delete_remove_link(struct ldb_module *module,
 
 		msg->dn = dsdb_dn->dn;
 
-		if (sa->linkID & 1) {
-			target_attr = dsdb_attribute_by_linkID(schema, sa->linkID - 1);
-		} else {
-			target_attr = dsdb_attribute_by_linkID(schema, sa->linkID + 1);
+		target_attr = dsdb_attribute_by_linkID(schema, sa->linkID ^ 1);
+		if (target_attr == NULL) {
+			continue;
 		}
 
 		ret = ldb_msg_add_empty(msg, target_attr->lDAPDisplayName, LDB_FLAG_MOD_DELETE, &el2);
-- 
cgit