Jacek Caban : mshtml: Don' t crash in on_start_uri_open on nscontainer without associated document.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 95d98bdb537adb13d931c5104d1afe7da8e4ff7a
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=95d98bdb537adb13d931c5104d1afe7da8e4ff7a

Author: Jacek Caban <jacek at codeweavers.com>
Date:   Mon Jun 14 02:19:12 2010 +0200

mshtml: Don't crash in on_start_uri_open on nscontainer without associated document.

---

 dlls/mshtml/nsio.c |    6 ++++--
 1 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/dlls/mshtml/nsio.c b/dlls/mshtml/nsio.c
index 63c9a6a..d9e822d 100644
--- a/dlls/mshtml/nsio.c
+++ b/dlls/mshtml/nsio.c
@@ -222,13 +222,15 @@ nsresult on_start_uri_open(NSContainer *nscontainer, nsIURI *uri, PRBool *_retva
     }
 
     if(!wine_uri->is_doc_uri) {
+        wine_uri->is_doc_uri = TRUE;
+
         if(!wine_uri->container) {
             nsIWebBrowserChrome_AddRef(NSWBCHROME(nscontainer));
             wine_uri->container = nscontainer;
         }
 
-        wine_uri->is_doc_uri = TRUE;
-        *_retval = translate_url(nscontainer->doc, wine_uri);
+        if(nscontainer->doc)
+            *_retval = translate_url(nscontainer->doc, wine_uri);
     }
 
     nsIURI_Release(NSURI(wine_uri));