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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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3
libs/vkd3d-shader/ir.c
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@@ -4775,7 +4775,8 @@ static enum vkd3d_result vsir_cfg_generate_synthetic_loop_intervals(struct vsir_
}
}
qsort(cfg->loop_intervals, cfg->loop_interval_count, sizeof(*cfg->loop_intervals), compare_loop_intervals);
if (cfg->loop_intervals)
qsort(cfg->loop_intervals, cfg->loop_interval_count, sizeof(*cfg->loop_intervals), compare_loop_intervals);
if (TRACE_ON())
for (i = 0; i < cfg->loop_interval_count; ++i)