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[common]Add null checks to FindDesktopFolderView (#22908)

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This commit is contained in:
Jaime Bernardo
2022-12-20 19:29:24 +00:00
committed by GitHub
parent 4f4810acc4
commit 46099058b5
1 changed files with 5 additions and 5 deletions
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10
src/common/utils/elevation.h
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@@ -34,7 +34,7 @@ namespace
{
CComPtr<IShellWindows> spShellWindows;
auto result = spShellWindows.CoCreateInstance(CLSID_ShellWindows);
if (result != S_OK)
if (result != S_OK || spShellWindows == nullptr)
{
Logger::warn(L"Failed to create instance. {}", GetErrorString(result));
return false;
@@ -47,7 +47,7 @@ namespace
result = spShellWindows->FindWindowSW(
&vtLoc, &vtEmpty, SWC_DESKTOP, &lhwnd, SWFO_NEEDDISPATCH, &spdisp);
if (result != S_OK)
if (result != S_OK || spdisp == nullptr)
{
Logger::warn(L"Failed to find the window. {}", GetErrorString(result));
return false;
@@ -56,7 +56,7 @@ namespace
CComPtr<IShellBrowser> spBrowser;
result = CComQIPtr<IServiceProvider>(spdisp)->QueryService(SID_STopLevelBrowser,
IID_PPV_ARGS(&spBrowser));
if (result != S_OK)
if (result != S_OK || spBrowser == nullptr)
{
Logger::warn(L"Failed to query service. {}", GetErrorString(result));
return false;
@@ -64,14 +64,14 @@ namespace
CComPtr<IShellView> spView;
result = spBrowser->QueryActiveShellView(&spView);
if (result != S_OK)
if (result != S_OK || spView == nullptr)
{
Logger::warn(L"Failed to query active shell window. {}", GetErrorString(result));
return false;
}
result = spView->QueryInterface(riid, ppv);
if (result != S_OK)
if (result != S_OK || ppv == nullptr || *ppv == nullptr )
{
Logger::warn(L"Failed to query interface. {}", GetErrorString(result));
return false;