From b785bfbe61d041e6b175f8f87915ec6d3e636988 Mon Sep 17 00:00:00 2001
From: Howard Chu <hyc@openldap.org>
Date: Sun, 15 May 2016 00:44:54 +0100
Subject: [PATCH] ITS#8424 init cursor in mdb_env_cwalk

---
 libraries/liblmdb/mdb.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/libraries/liblmdb/mdb.c b/libraries/liblmdb/mdb.c
index fdba20f..169f9d7 100644
--- a/libraries/liblmdb/mdb.c
+++ b/libraries/liblmdb/mdb.c
@@ -8890,7 +8890,7 @@ mdb_env_cthr_toggle(mdb_copy *my, int st)
 static int ESECT
 mdb_env_cwalk(mdb_copy *my, pgno_t *pg, int flags)
 {
-	MDB_cursor mc;
+	MDB_cursor mc = {0};
 	MDB_txn *txn = my->mc_txn;
 	MDB_node *ni;
 	MDB_page *mo, *mp, *leaf;
@@ -8903,7 +8903,6 @@ mdb_env_cwalk(mdb_copy *my, pgno_t *pg, int flags)
 		return MDB_SUCCESS;
 
 	mc.mc_snum = 1;
-	mc.mc_top = 0;
 	mc.mc_txn = txn;
 
 	rc = mdb_page_get(my->mc_txn, *pg, &mc.mc_pg[0], NULL);