wined3d: Don't return a surface for a NULL dc in wined3d_device_get_surface_from_dc().

08e8b0a7 · Henri Verbeet · Alexandre Julliard · a8504f4f · 08e8b0a7
Commit 08e8b0a7 authored Nov 23, 2011 by Henri Verbeet Committed by Alexandre Julliard Nov 23, 2011
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device.c dlls/wined3d/device.c +3 -0

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--- a/dlls/wined3d/device.c
+++ b/dlls/wined3d/device.c
@@ -5871,6 +5871,9 @@ HRESULT CDECL wined3d_device_get_surface_from_dc(const struct wined3d_device *de

    TRACE("device %p, dc %p, surface %p.\n", device, dc, surface);

+    if (!dc)
+        return WINED3DERR_INVALIDCALL;
+
    LIST_FOR_EACH_ENTRY(resource, &device->resources, struct wined3d_resource, resource_list_entry)
    {
        if (resource->resourceType == WINED3DRTYPE_SURFACE)