Rico Schüller : d3d10: Add argument check in ID3D10EffectTechnique::GetDesc.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 247b8679528bb44b4984c66d344ab31a96c14f84
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=247b8679528bb44b4984c66d344ab31a96c14f84

Author: Rico Schüller <kgbricola at web.de>
Date:   Sat Aug 29 20:36:26 2009 +0200

d3d10: Add argument check in ID3D10EffectTechnique::GetDesc.

---

 dlls/d3d10/effect.c |   12 ++++++++++++
 1 files changed, 12 insertions(+), 0 deletions(-)

diff --git a/dlls/d3d10/effect.c b/dlls/d3d10/effect.c
index 7f9704a..e601c1a 100644
--- a/dlls/d3d10/effect.c
+++ b/dlls/d3d10/effect.c
@@ -1023,6 +1023,18 @@ static HRESULT STDMETHODCALLTYPE d3d10_effect_technique_GetDesc(ID3D10EffectTech
 
     TRACE("iface %p, desc %p\n", iface, desc);
 
+    if(This == &null_technique)
+    {
+        WARN("Null technique specified\n");
+        return E_FAIL;
+    }
+
+    if(!desc)
+    {
+        WARN("Invalid argument specified\n");
+        return E_INVALIDARG;
+    }
+
     desc->Name = This->name;
     desc->Passes = This->pass_count;
     WARN("Annotations not implemented\n");