From 6305b90596dae25515e0d9afd8ad6bc6f8f4b59e Mon Sep 17 00:00:00 2001
From: Howard Chu <hyc@symas.com>
Date: Fri, 9 Apr 2021 14:21:15 +0100
Subject: [PATCH] ITS#9496 fix mdb_env_open bug from #8704

Broken in 9c6eb75c656363176a55c63c81803feb3cfa614d
---
 external/db_drivers/liblmdb/mdb.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/external/db_drivers/liblmdb/mdb.c b/external/db_drivers/liblmdb/mdb.c
index 96c741f66..6314d5775 100644
--- a/external/db_drivers/liblmdb/mdb.c
+++ b/external/db_drivers/liblmdb/mdb.c
@@ -4882,9 +4882,6 @@ mdb_env_open2(MDB_env *env, int prev)
 #endif
 	env->me_maxpg = env->me_mapsize / env->me_psize;
 
-	if (env->me_txns)
-		env->me_txns->mti_txnid = meta.mm_txnid;
-
 #if MDB_DEBUG
 	{
 		MDB_meta *meta = mdb_env_pick_meta(env);
@@ -4984,6 +4981,9 @@ static int ESECT
 mdb_env_share_locks(MDB_env *env, int *excl)
 {
 	int rc = 0;
+	MDB_meta *meta = mdb_env_pick_meta(env);
+
+	env->me_txns->mti_txnid = meta->mm_txnid;
 
 #ifdef _WIN32
 	{