Piotr Caban : mshtml: Fix DOCUMENT_NODE handling in nsnode_to_nsstring_rec.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 0bbc95e4f6f5776a6dfccc80878406cffc78de0f
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=0bbc95e4f6f5776a6dfccc80878406cffc78de0f

Author: Piotr Caban <piotr at codeweavers.com>
Date:   Thu Aug  4 14:05:23 2011 +0200

mshtml: Fix DOCUMENT_NODE handling in nsnode_to_nsstring_rec.

---

 dlls/mshtml/nsembed.c |   13 ++++++++-----
 1 files changed, 8 insertions(+), 5 deletions(-)

diff --git a/dlls/mshtml/nsembed.c b/dlls/mshtml/nsembed.c
index 33d34b9..2bebf8b 100644
--- a/dlls/mshtml/nsembed.c
+++ b/dlls/mshtml/nsembed.c
@@ -794,10 +794,12 @@ static HRESULT nsnode_to_nsstring_rec(nsIContentSerializer *serializer, nsIDOMNo
         return E_FAIL;
     }
 
-    nsres = nsIDOMNode_QueryInterface(nsnode, &IID_nsIContent, (void**)&nscontent);
-    if(NS_FAILED(nsres)) {
-        ERR("Could not get nsIDontent interface: %08x\n", nsres);
-        return E_FAIL;
+    if(type != DOCUMENT_NODE) {
+        nsres = nsIDOMNode_QueryInterface(nsnode, &IID_nsIContent, (void**)&nscontent);
+        if(NS_FAILED(nsres)) {
+            ERR("Could not get nsIContent interface: %08x\n", nsres);
+            return E_FAIL;
+        }
     }
 
     switch(type) {
@@ -849,7 +851,8 @@ static HRESULT nsnode_to_nsstring_rec(nsIContentSerializer *serializer, nsIDOMNo
     if(type == ELEMENT_NODE)
         nsIContentSerializer_AppendElementEnd(serializer, nscontent, str);
 
-    nsIContent_Release(nscontent);
+    if(type != DOCUMENT_NODE)
+        nsIContent_Release(nscontent);
     return S_OK;
 }