From: Jacek Caban <jacek@codeweavers.com>
Subject: mshtml: Set frame interface to NULL after releasing it in IOleInPlaceObjectWindowless::InPlaceDeactivate
Message-Id: <4E89DB99.7070600@codeweavers.com>
Date: Mon, 03 Oct 2011 10:58:17 -0500

---
  dlls/mshtml/olewnd.c |    4 +++-
  1 files changed, 3 insertions(+), 1 deletions(-)

diff --git a/dlls/mshtml/olewnd.c b/dlls/mshtml/olewnd.c
index 18b98f6..f272949 100644
--- a/dlls/mshtml/olewnd.c
+++ b/dlls/mshtml/olewnd.c
@@ -197,8 +197,10 @@ static HRESULT WINAPI OleInPlaceObjectWindowless_InPlaceDeactivate(IOleInPlaceOb
     if(!This->doc_obj->in_place_active)
         return S_OK;
 
-    if(This->doc_obj->frame)
+    if(This->doc_obj->frame) {
         IOleInPlaceFrame_Release(This->doc_obj->frame);
+        This->doc_obj->frame = NULL;
+    }
 
     if(This->doc_obj->hwnd) {
         ShowWindow(This->doc_obj->hwnd, SW_HIDE);