From 6d33c137f6d0b4d3d63f5bf079abbb439e9d968f Mon Sep 17 00:00:00 2001
From: Leonid Yuriev <leo@yuriev.ru>
Date: Fri, 7 Sep 2018 01:47:10 +0300
Subject: [PATCH] mdbx: fix mdbx_cursor_put().

Change-Id: I280c6f275372952ce3411e564928ad6c3387b00c
---
 src/mdbx.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/mdbx.c b/src/mdbx.c
index c7fde367..6bef0d3b 100644
--- a/src/mdbx.c
+++ b/src/mdbx.c
@@ -8333,7 +8333,11 @@ new_sub:
     rc = mdbx_page_split(mc, key, rdata, P_INVALID, nflags);
   } else {
     /* There is room already in this leaf page. */
-    rc = mdbx_node_add_leaf(mc, mc->mc_ki[mc->mc_top], key, rdata, nflags);
+    if (IS_LEAF2(mc->mc_pg[mc->mc_top])) {
+      mdbx_cassert(mc, nflags == 0 && rdata->iov_len == 0);
+      rc = mdbx_node_add_leaf2(mc, mc->mc_ki[mc->mc_top], key);
+    } else
+      rc = mdbx_node_add_leaf(mc, mc->mc_ki[mc->mc_top], key, rdata, nflags);
     if (likely(rc == 0)) {
       /* Adjust other cursors pointing to mp */
       MDBX_cursor *m2, *m3;