Józef Kucia : d3d9: Do not touch output parameter when d3d9_GetAdapterLUID() fails.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 0035b1109c344b1f18a5ae83711fec81e2877e9e
URL:    https://source.winehq.org/git/wine.git/?a=commit;h=0035b1109c344b1f18a5ae837...

Author: Józef Kucia <jkucia(a)codeweavers.com>
Date:   Mon Dec  3 14:41:08 2018 +0100

d3d9: Do not touch output parameter when d3d9_GetAdapterLUID() fails.

Signed-off-by: Józef Kucia <jkucia(a)codeweavers.com>
Signed-off-by: Henri Verbeet <hverbeet(a)codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard(a)winehq.org>

---

 dlls/d3d9/directx.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/dlls/d3d9/directx.c b/dlls/d3d9/directx.c
index 242e36d..4fbf5e9 100644
--- a/dlls/d3d9/directx.c
+++ b/dlls/d3d9/directx.c
@@ -542,9 +542,8 @@ static HRESULT WINAPI d3d9_GetAdapterLUID(IDirect3D9Ex *iface, UINT adapter, LUI
     adapter_id.description_size = 0;
     adapter_id.device_name_size = 0;
 
-    hr = wined3d_get_adapter_identifier(d3d9->wined3d, adapter, 0, &adapter_id);
-
-    *luid = adapter_id.adapter_luid;
+    if (SUCCEEDED(hr = wined3d_get_adapter_identifier(d3d9->wined3d, adapter, 0, &adapter_id)))
+        *luid = adapter_id.adapter_luid;
 
     return hr;
 }