From 2c33f577ad5bf8cddec735e75a26c4a4c07d8c51 Mon Sep 17 00:00:00 2001
From: Andrew Tridgell <tridge@samba.org>
Date: Wed, 15 Mar 2006 05:50:42 +0000
Subject: [PATCH] r14431: don't call qsort with a null array

---
 source/lib/ldb/ldb_tdb/ldb_index.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/source/lib/ldb/ldb_tdb/ldb_index.c b/source/lib/ldb/ldb_tdb/ldb_index.c
index 2fc20adb306..e2a3201884e 100644
--- a/source/lib/ldb/ldb_tdb/ldb_index.c
+++ b/source/lib/ldb/ldb_tdb/ldb_index.c
@@ -241,7 +241,9 @@ static int ltdb_index_dn_simple(struct ldb_module *module,
 
 	talloc_free(msg);
 
-	qsort(list->dn, list->count, sizeof(char *), (comparison_fn_t) list_cmp);
+	if (list->count > 1) {
+		qsort(list->dn, list->count, sizeof(char *), (comparison_fn_t) list_cmp);
+	}
 
 	return 1;
 }