Giovanni Mascellani : vkd3d-shader/tpf: Destroy the SM4 parser on parsing errors.

[Alexandre Julliard]

Module: vkd3d
Branch: master
Commit: 78220ed07e2df39fb7a9a8736f46f2a520ff0c6f
URL:    https://gitlab.winehq.org/wine/vkd3d/-/commit/78220ed07e2df39fb7a9a8736f46f2...

Author: Giovanni Mascellani 
Date:   Thu Sep  7 11:30:22 2023 +0200

vkd3d-shader/tpf: Destroy the SM4 parser on parsing errors.

---

libs/vkd3d-shader/tpf.c | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/libs/vkd3d-shader/tpf.c b/libs/vkd3d-shader/tpf.c
index f1a6def4..5bf72fb2 100644
--- a/libs/vkd3d-shader/tpf.c
+++ b/libs/vkd3d-shader/tpf.c
@@ -2642,9 +2642,16 @@ int vkd3d_shader_sm4_parser_create(const struct vkd3d_shader_compile_info *compi
     if (sm4->p.shader_version.type == VKD3D_SHADER_TYPE_HULL && !sm4->has_control_point_phase && !sm4->p.failed)
         shader_sm4_validate_default_phase_index_ranges(sm4);

+    if (sm4->p.failed)
+    {
+        WARN("Failed to parse shader.\n");
+        shader_sm4_destroy(&sm4->p);
+        return VKD3D_ERROR_INVALID_SHADER;
+    }
+
     *parser = &sm4->p;

-    return sm4->p.failed ? VKD3D_ERROR_INVALID_SHADER : VKD3D_OK;
+    return VKD3D_OK;
 }

static void write_sm4_block(const struct tpf_writer *tpf, const struct hlsl_block *block);