Rico Schüller : d3d10: Add argument check in ID3D10Effect::GetVariableByName().

[Alexandre Julliard]

Module: wine
Branch: master
Commit: b0b9897f9fcca9c276bf3ffa520b608c5e34dbac
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=b0b9897f9fcca9c276bf3ffa520b608c5e34dbac

Author: Rico Schüller <kgbricola at web.de>
Date:   Wed May  5 19:01:59 2010 +0200

d3d10: Add argument check in ID3D10Effect::GetVariableByName().

---

 dlls/d3d10/effect.c |    6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)

diff --git a/dlls/d3d10/effect.c b/dlls/d3d10/effect.c
index 016e842..9a6c843 100644
--- a/dlls/d3d10/effect.c
+++ b/dlls/d3d10/effect.c
@@ -2184,6 +2184,12 @@ static struct ID3D10EffectVariable * STDMETHODCALLTYPE d3d10_effect_GetVariableB
 
     TRACE("iface %p, name %s.\n", iface, debugstr_a(name));
 
+    if (!name)
+    {
+        WARN("Invalid name specified\n");
+        return (ID3D10EffectVariable *)&null_variable;
+    }
+
     for (i = 0; i < This->local_buffer_count; ++i)
     {
         struct d3d10_effect_variable *l = &This->local_buffers[i];