s4:ldb: do talloc_free and return NULL when we have no matches to return

diff --git a/source4/dsdb/samdb/ldb_modules/anr.c b/source4/dsdb/samdb/ldb_modules/anr.c
index a04f5ebfa6ff46d28604365d5cc87316c92c34b0..deeccac072a84216ac081a65001f64760afde44e 100644 (file)
--- a/source4/dsdb/samdb/ldb_modules/anr.c
+++ b/source4/dsdb/samdb/ldb_modules/anr.c
@@ -89,6 +89,7 @@ static struct ldb_parse_tree *make_match_tree(struct ldb_module *module,
                match_tree->u.substring.chunks = talloc_array(match_tree, struct ldb_val *, 2);
                
                if (match_tree->u.substring.chunks == NULL){
+                       talloc_free(match_tree);
                        ldb_oom(ldb);
                        return NULL;
                }
@@ -99,6 +100,9 @@ static struct ldb_parse_tree *make_match_tree(struct ldb_module *module,
                match_tree->u.equality.attr = attr;
                match_tree->u.equality.value = *match;
                break;
+       default:
+               talloc_free(match_tree);
+               return NULL;
        }
        return match_tree;
 }