[tfaber] 68767: [SHELL32] - Correctly handle NULL callback in CMenuBand::GetMenuInfo - Add missing error handling in CMenuFocusManager::UpdateFocus Fixes crashes in shell32_apitest:menu CORE-9932 #...

Author: tfaber
Date: Wed Aug 19 11:45:21 2015
New Revision: 68767

URL: http://svn.reactos.org/svn/reactos?rev=68767&view=rev
Log:
[SHELL32]
- Correctly handle NULL callback in CMenuBand::GetMenuInfo
- Add missing error handling in CMenuFocusManager::UpdateFocus
Fixes crashes in shell32_apitest:menu
CORE-9932 #resolve

Modified:
    trunk/reactos/dll/win32/shell32/shellmenu/CMenuBand.cpp
    trunk/reactos/dll/win32/shell32/shellmenu/CMenuFocusManager.cpp

Modified: trunk/reactos/dll/win32/shell32/shellmenu/CMenuBand.cpp
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/dll/win32/shell32/shellmen…
==============================================================================
--- trunk/reactos/dll/win32/shell32/shellmenu/CMenuBand.cpp	[iso-8859-1] (original)
+++ trunk/reactos/dll/win32/shell32/shellmenu/CMenuBand.cpp	[iso-8859-1] Wed Aug 19
11:45:21 2015
@@ -108,7 +108,8 @@
 
     if (ppsmc)
     {
-        m_psmc->AddRef();
+        if (m_psmc)
+            m_psmc->AddRef();
         *ppsmc = m_psmc;
     }
 

Modified: trunk/reactos/dll/win32/shell32/shellmenu/CMenuFocusManager.cpp
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/dll/win32/shell32/shellmen…
==============================================================================
--- trunk/reactos/dll/win32/shell32/shellmenu/CMenuFocusManager.cpp	[iso-8859-1]
(original)
+++ trunk/reactos/dll/win32/shell32/shellmenu/CMenuFocusManager.cpp	[iso-8859-1] Wed Aug
19 11:45:21 2015
@@ -814,14 +814,22 @@
             CComPtr<IServiceProvider> bandSite;
             CComPtr<IOleWindow> deskBar;
             hr = topMenu->mb->GetSite(IID_PPV_ARG(IServiceProvider,
&bandSite));
+            if (FAILED(hr))
+                goto NoCapture;
             hr = bandSite->QueryService(SID_SMenuPopup, IID_PPV_ARG(IOleWindow,
&deskBar));
+            if (FAILED(hr))
+                goto NoCapture;
 
             CComPtr<IOleWindow> deskBarSite;
             hr = IUnknown_GetSite(deskBar, IID_PPV_ARG(IOleWindow, &deskBarSite));
+            if (FAILED(hr))
+                goto NoCapture;
 
             // FIXME: Find the correct place for this
             HWND hWndOwner;
-            deskBarSite->GetWindow(&hWndOwner);
+            hr = deskBarSite->GetWindow(&hWndOwner);
+            if (FAILED(hr))
+                goto NoCapture;
 
             m_PreviousForeground = ::GetForegroundWindow();
             if (m_PreviousForeground != hWndOwner)
@@ -832,9 +840,11 @@
             // Get the HWND of the top-level window
             HWND hWndSite;
             hr = deskBar->GetWindow(&hWndSite);
+            if (FAILED(hr))
+                goto NoCapture;
             SetMenuCapture(hWndSite);
-
-        }
+        }
+NoCapture:
 
         if (!m_parent || m_parent->type == MenuBarEntry)
         {