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Diffstat (limited to 'qga/vss-win32/install.cpp')
-rw-r--r--qga/vss-win32/install.cpp13
1 files changed, 9 insertions, 4 deletions
diff --git a/qga/vss-win32/install.cpp b/qga/vss-win32/install.cpp
index ba7c94e..6713e58 100644
--- a/qga/vss-win32/install.cpp
+++ b/qga/vss-win32/install.cpp
@@ -148,10 +148,15 @@ static HRESULT getNameByStringSID(
DWORD domainNameLen = BUFFER_SIZE;
wchar_t domainName[BUFFER_SIZE];
- chk(ConvertStringSidToSidW(sid, &psid));
- LookupAccountSidW(NULL, psid, buffer, bufferLen,
- domainName, &domainNameLen, &groupType);
- hr = HRESULT_FROM_WIN32(GetLastError());
+ if (!ConvertStringSidToSidW(sid, &psid)) {
+ hr = HRESULT_FROM_WIN32(GetLastError());
+ goto out;
+ }
+ if (!LookupAccountSidW(NULL, psid, buffer, bufferLen,
+ domainName, &domainNameLen, &groupType)) {
+ hr = HRESULT_FROM_WIN32(GetLastError());
+ /* Fall through and free psid */
+ }
LocalFree(psid);