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vkd3d-shader: Avoid passing NULL to qsort(). (ubsan)

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Otherwise ubsan reports runtime errors such as:

    libs/vkd3d-shader/ir.c:4731:5: runtime error: null pointer passed as argument 1, which is declared to never be null
This commit is contained in:
Francisco Casas
2024-12-18 16:30:53 -03:00
committed by Henri Verbeet
parent eaf4d0bfbf
commit 7b23cd4d3c
Notes: Henri Verbeet 2025-01-10 20:15:12 +01:00 
Approved-by: Elizabeth Figura (@zfigura)
Approved-by: Henri Verbeet (@hverbeet)
Merge-Request: https://gitlab.winehq.org/wine/vkd3d/-/merge_requests/1327
3 changed files with 7 additions and 4 deletions
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5
libs/vkd3d/state.c
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@@ -578,8 +578,9 @@ static HRESULT d3d12_root_signature_info_from_desc(struct d3d12_root_signature_i
goto done;
}
qsort(info->ranges, info->range_count, sizeof(*info->ranges),
d3d12_root_signature_info_range_compare);
if (info->ranges)
qsort(info->ranges, info->range_count, sizeof(*info->ranges),
d3d12_root_signature_info_range_compare);
for (i = D3D12_SHADER_VISIBILITY_VERTEX; i <= D3D12_SHADER_VISIBILITY_MESH; ++i)
{