Nikolay Sivov : d3dcompiler: Always initialize output shader blob pointer in D3DCompile2().

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 472d802a24eefe4a9c9f3a17592f50217c6e9966
URL:    https://gitlab.winehq.org/wine/wine/-/commit/472d802a24eefe4a9c9f3a17592f502...

Author: Nikolay Sivov 
Date:   Sat Mar 18 18:48:57 2023 +0100

d3dcompiler: Always initialize output shader blob pointer in D3DCompile2().

---

dlls/d3dcompiler_43/compiler.c        | 2 ++
 dlls/d3dcompiler_43/tests/hlsl_d3d9.c | 3 ++-
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/dlls/d3dcompiler_43/compiler.c b/dlls/d3dcompiler_43/compiler.c
index 8fb38cf592c..d3c7b81df12 100644
--- a/dlls/d3dcompiler_43/compiler.c
+++ b/dlls/d3dcompiler_43/compiler.c
@@ -462,6 +462,8 @@ HRESULT WINAPI D3DCompile2(const void *data, SIZE_T data_size, const char *filen
     if (secondary_flags)
         FIXME("Ignoring secondary flags %#x.\n", secondary_flags);

+    if (shader_blob)
+        *shader_blob = NULL;
     if (messages_blob)
         *messages_blob = NULL;

diff --git a/dlls/d3dcompiler_43/tests/hlsl_d3d9.c b/dlls/d3dcompiler_43/tests/hlsl_d3d9.c
index a24cb9692e9..15af598c90d 100644
--- a/dlls/d3dcompiler_43/tests/hlsl_d3d9.c
+++ b/dlls/d3dcompiler_43/tests/hlsl_d3d9.c
@@ -1412,7 +1412,8 @@ static void test_fail(void)
     {
         for (i = 0; i < ARRAY_SIZE(tests); ++i)
         {
-            compiled = errors = NULL;
+            errors = NULL;
+            compiled = (void *)0xdeadbeef;
             hr = D3DCompile(tests[i], strlen(tests[i]), NULL, NULL, NULL, "test", targets[j], 0, 0, &compiled, &errors);
             ok(hr == E_FAIL, "Test %u, target %s: Got unexpected hr %#lx.\n", i, targets[j], hr);
             ok(!!errors, "Test %u, target %s, expected non-NULL error blob.\n", i, targets[j]);