Henri Verbeet : d3d10: Check if the type was initialised in d3d10_effect_variable_destroy() (AFL ).

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 908a8e677cbc3381206f61cccda01c663ed963ef
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=908a8e677cbc3381206f61cccda01c663ed963ef

Author: Henri Verbeet <hverbeet at codeweavers.com>
Date:   Thu May 26 19:36:52 2016 +0200

d3d10: Check if the type was initialised in d3d10_effect_variable_destroy() (AFL).

Signed-off-by: Henri Verbeet <hverbeet at codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard at winehq.org>

---

 dlls/d3d10/effect.c | 51 +++++++++++++++++++++++++++------------------------
 1 file changed, 27 insertions(+), 24 deletions(-)

diff --git a/dlls/d3d10/effect.c b/dlls/d3d10/effect.c
index 6955445..a684ee5 100644
--- a/dlls/d3d10/effect.c
+++ b/dlls/d3d10/effect.c
@@ -2373,36 +2373,39 @@ static void d3d10_effect_variable_destroy(struct d3d10_effect_variable *v)
         HeapFree(GetProcessHeap(), 0, v->elements);
     }
 
-    switch(v->type->basetype)
+    if (v->type)
     {
-        case D3D10_SVT_VERTEXSHADER:
-        case D3D10_SVT_PIXELSHADER:
-        case D3D10_SVT_GEOMETRYSHADER:
-            d3d10_effect_shader_variable_destroy(&v->u.shader, v->type->basetype);
-            break;
+        switch (v->type->basetype)
+        {
+            case D3D10_SVT_VERTEXSHADER:
+            case D3D10_SVT_PIXELSHADER:
+            case D3D10_SVT_GEOMETRYSHADER:
+                d3d10_effect_shader_variable_destroy(&v->u.shader, v->type->basetype);
+                break;
 
-        case D3D10_SVT_DEPTHSTENCIL:
-            if (v->u.state.object.depth_stencil)
-                ID3D10DepthStencilState_Release(v->u.state.object.depth_stencil);
-            break;
+            case D3D10_SVT_DEPTHSTENCIL:
+                if (v->u.state.object.depth_stencil)
+                    ID3D10DepthStencilState_Release(v->u.state.object.depth_stencil);
+                break;
 
-        case D3D10_SVT_BLEND:
-            if (v->u.state.object.blend)
-                ID3D10BlendState_Release(v->u.state.object.blend);
-            break;
+            case D3D10_SVT_BLEND:
+                if (v->u.state.object.blend)
+                    ID3D10BlendState_Release(v->u.state.object.blend);
+                break;
 
-        case D3D10_SVT_RASTERIZER:
-            if (v->u.state.object.rasterizer)
-                ID3D10RasterizerState_Release(v->u.state.object.rasterizer);
-            break;
+            case D3D10_SVT_RASTERIZER:
+                if (v->u.state.object.rasterizer)
+                    ID3D10RasterizerState_Release(v->u.state.object.rasterizer);
+                break;
 
-        case D3D10_SVT_SAMPLER:
-            if (v->u.state.object.sampler)
-                ID3D10SamplerState_Release(v->u.state.object.sampler);
-            break;
+            case D3D10_SVT_SAMPLER:
+                if (v->u.state.object.sampler)
+                    ID3D10SamplerState_Release(v->u.state.object.sampler);
+                break;
 
-        default:
-            break;
+            default:
+                break;
+        }
     }
 }