[reactos] 01/01: [SHELL32] CoUninitialize only if CoInitialize* is successful

[Katayama Hirofumi MZ]

https://git.reactos.org/?p=reactos.git;a=commitdiff;h=a822eadce6b4f20066fdc…

commit a822eadce6b4f20066fdc3b1a36f311d325b0c86
Author:     Katayama Hirofumi MZ <katayama.hirofumi.mz(a)gmail.com>
AuthorDate: Mon Sep 28 20:13:28 2020 +0900
Commit:     Katayama Hirofumi MZ <katayama.hirofumi.mz(a)gmail.com>
CommitDate: Mon Sep 28 20:13:28 2020 +0900

    [SHELL32] CoUninitialize only if CoInitialize* is successful
    
    Technically CoUninitialize should be called only if CoInitializeEx succeeded
(including S_FALSE).
    CORE-1419
---
 dll/win32/shell32/dialogs/dialogs.cpp | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/dll/win32/shell32/dialogs/dialogs.cpp
b/dll/win32/shell32/dialogs/dialogs.cpp
index 6996a416076..1e5635cb1d1 100644
--- a/dll/win32/shell32/dialogs/dialogs.cpp
+++ b/dll/win32/shell32/dialogs/dialogs.cpp
@@ -29,6 +29,7 @@ typedef struct
     LPCWSTR lpstrTitle;
     LPCWSTR lpstrDescription;
     UINT uFlags;
+    BOOL bCoInited;
 } RUNFILEDLGPARAMS;
 
 typedef BOOL (WINAPI * LPFNOFN) (OPENFILENAMEW *);
@@ -549,14 +550,17 @@ static INT_PTR CALLBACK RunDlgProc(HWND hwnd, UINT message, WPARAM
wParam, LPARA
             hwndEdit = ComboInfo.hwndItem;
             ASSERT(::IsWindow(hwndEdit));
 
-            CoInitializeEx(NULL, COINIT_APARTMENTTHREADED); // SHAutoComplete needs co
init
+            // SHAutoComplete needs co init
+            prfdp->bCoInited = SUCCEEDED(CoInitializeEx(NULL,
COINIT_APARTMENTTHREADED));
+
             SHAutoComplete(hwndEdit, SHACF_FILESYSTEM | SHACF_FILESYS_ONLY |
SHACF_URLALL);
 
             SetFocus(hwndCombo);
             return TRUE;
 
         case WM_DESTROY:
-            CoUninitialize();
+            if (prfdp->bCoInited)
+                CoUninitialize();
             break;
 
         case WM_COMMAND: