Matteo Bruni : d3dcompiler: Check shader for NULL.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 7d92b1abbd2acc4461a913682188f575b70e5625
URL:    https://source.winehq.org/git/wine.git/?a=commit;h=7d92b1abbd2acc4461a913682188f575b70e5625

Author: Matteo Bruni <mbruni at codeweavers.com>
Date:   Wed Jun 17 17:27:26 2020 +0200

d3dcompiler: Check shader for NULL.

Signed-off-by: Matteo Bruni <mbruni at codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard at winehq.org>

---

 dlls/d3dcompiler_43/compiler.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/dlls/d3dcompiler_43/compiler.c b/dlls/d3dcompiler_43/compiler.c
index 78fb0c46cc..c400b83d8d 100644
--- a/dlls/d3dcompiler_43/compiler.c
+++ b/dlls/d3dcompiler_43/compiler.c
@@ -805,7 +805,7 @@ static HRESULT compile_shader(const char *preproc_shader, const char *target, co
             if (FAILED(blob_hr = D3DCreateBlob(size, &buffer)))
             {
                 HeapFree(GetProcessHeap(), 0, messages);
-                if (*shader)
+                if (shader && *shader)
                 {
                     ID3D10Blob_Release(*shader);
                     *shader = NULL;