Akihiro Sagawa : d3dx9: Avoid closing invalid handles.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: e27a95e92097a601baa9b0e9dd6fcc5013c863fa
URL:    https://source.winehq.org/git/wine.git/?a=commit;h=e27a95e92097a601baa9b0e9d...

Author: Akihiro Sagawa 
Date:   Mon Dec 21 22:44:00 2020 +0900

d3dx9: Avoid closing invalid handles.

Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=50373
Signed-off-by: Akihiro Sagawa 
Signed-off-by: Matteo Bruni 
Signed-off-by: Alexandre Julliard

---

dlls/d3dx9_36/util.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/dlls/d3dx9_36/util.c b/dlls/d3dx9_36/util.c
index 5be9083360a..39afe6740c0 100644
--- a/dlls/d3dx9_36/util.c
+++ b/dlls/d3dx9_36/util.c
@@ -134,8 +134,10 @@ HRESULT map_view_of_file(const WCHAR *filename, void **buffer, DWORD *length)
     return S_OK;

error:
-    CloseHandle(hmapping);
-    CloseHandle(hfile);
+    if (hmapping)
+        CloseHandle(hmapping);
+    if (hfile != INVALID_HANDLE_VALUE)
+        CloseHandle(hfile);
     return HRESULT_FROM_WIN32(GetLastError());
 }