s4-dsdb: Add a warning about dsdb_module_rename that locks if olddn == newdn

diff --git a/source4/dsdb/samdb/ldb_modules/util.c b/source4/dsdb/samdb/ldb_modules/util.c
index 49939e2ff457b75dbc681866192209a679f31621..97e41e783985e175b7e4b75d41cd6419cca08a99 100644 (file)
--- a/source4/dsdb/samdb/ldb_modules/util.c
+++ b/source4/dsdb/samdb/ldb_modules/util.c
@@ -336,6 +336,8 @@ int dsdb_module_modify(struct ldb_module *module,
 /*
   a ldb_rename request operating on modules below the
   current module
+  FIXME we have a bug here when olddn == newdn as we are
+  blocked in a wait event and can never escape
  */
 int dsdb_module_rename(struct ldb_module *module,
                       struct ldb_dn *olddn, struct ldb_dn *newdn,