From d28bbf458ac7dcaa4af2c20d6ce2f557dbc61326 Mon Sep 17 00:00:00 2001
From: Timo Kreuzer <timo.kreuzer@reactos.org>
Date: Thu, 5 Oct 2023 23:00:08 +0300
Subject: [PATCH] [ADVAPI32] Fix bugs in RegpCopyTree

---
 dll/win32/advapi32/reg/reg.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/dll/win32/advapi32/reg/reg.c b/dll/win32/advapi32/reg/reg.c
index 284731628b1..1e06f67a919 100644
--- a/dll/win32/advapi32/reg/reg.c
+++ b/dll/win32/advapi32/reg/reg.c
@@ -546,6 +546,7 @@ RegpCopyTree(IN HKEY hKeySrc,
                     if (Buffer != NULL)
                     {
                         Info.Buffer = Buffer;
+                        BufferSize = BufferSizeRequired;
                         /* try again */
                     }
                     else
@@ -672,6 +673,7 @@ RegpCopyTree(IN HKEY hKeySrc,
                     if (Buffer != NULL)
                     {
                         Info.Buffer = Buffer;
+                        BufferSize = BufferSizeRequired;
                         /* try again */
                     }
                     else