From 2724ce625c5b081e923f838755aa26ad1cd4c487 Mon Sep 17 00:00:00 2001
From: Volker Lendecke <vlendec@samba.org>
Date: Sat, 28 Apr 2007 13:52:49 +0000
Subject: [PATCH] r22554: Fix an assumption that TALLOC_ARRAY(.., 0) != NULL.

Volker
(This used to be commit 1f15a8f371f7c56d1a6e67e52f0f184bbd270c84)
---
 source3/groupdb/mapping.c | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/source3/groupdb/mapping.c b/source3/groupdb/mapping.c
index 54cffd15882..46e27d4de68 100644
--- a/source3/groupdb/mapping.c
+++ b/source3/groupdb/mapping.c
@@ -578,12 +578,17 @@ NTSTATUS pdb_default_alias_memberships(struct pdb_methods *methods,
 	if (!NT_STATUS_IS_OK(result))
 		return result;
 
+	*p_num_alias_rids = 0;
+
+	if (num_alias_sids == 0) {
+		TALLOC_FREE(alias_sids);
+		return NT_STATUS_OK;
+	}
+
 	*pp_alias_rids = TALLOC_ARRAY(mem_ctx, uint32, num_alias_sids);
 	if (*pp_alias_rids == NULL)
 		return NT_STATUS_NO_MEMORY;
 
-	*p_num_alias_rids = 0;
-
 	for (i=0; i<num_alias_sids; i++) {
 		if (!sid_peek_check_rid(domain_sid, &alias_sids[i],
 					&(*pp_alias_rids)[*p_num_alias_rids]))
-- 
2.11.4.GIT