Jacek Caban : shdocvw: Ignore invalid NULL PostData.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 6caca88ae1bc8e7fc13fe005f359c5211b7ee0ea
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=6caca88ae1bc8e7fc13fe005f359c5211b7ee0ea

Author: Jacek Caban <jacek at codeweavers.com>
Date:   Mon Aug 16 12:38:29 2010 +0200

shdocvw: Ignore invalid NULL PostData.

---

 dlls/shdocvw/navigate.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/dlls/shdocvw/navigate.c b/dlls/shdocvw/navigate.c
index 368a3c3..e3f0af8 100644
--- a/dlls/shdocvw/navigate.c
+++ b/dlls/shdocvw/navigate.c
@@ -761,7 +761,7 @@ HRESULT navigate_url(DocHost *This, LPCWSTR url, const VARIANT *Flags,
                 Flags, Flags ? V_VT(Flags) : -1, TargetFrameName,
                 TargetFrameName ? V_VT(TargetFrameName) : -1);
 
-    if(PostData && V_VT(PostData) == (VT_ARRAY | VT_UI1)) {
+    if(PostData && V_VT(PostData) == (VT_ARRAY | VT_UI1) && V_ARRAY(PostData)) {
         SafeArrayAccessData(V_ARRAY(PostData), (void**)&post_data);
         post_data_len = V_ARRAY(PostData)->rgsabound[0].cElements;
     }