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[SETUPAPI] SetupDiCallClassInstaller: Use the class GUID enclosed in curly brackets as a sub key name to retrieve the class co-installer.

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This commit is contained in:
Eric Kohl 2018-05-12 12:42:56 +02:00
parent abf9bd2d68
commit 35bd6571bd
1 changed files with 4 additions and 5 deletions
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9
dll/win32/setupapi/devinst.c
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@ -4288,16 +4288,16 @@ BOOL WINAPI SetupDiCallClassInstaller(
&hKey);
if (rc == ERROR_SUCCESS)
{
LPWSTR lpGuidString;
if (UuidToStringW((UUID*)&DeviceInfoData->ClassGuid, &lpGuidString) == RPC_S_OK)
WCHAR szGuidString[40];
if (pSetupStringFromGuid(&DeviceInfoData->ClassGuid, szGuidString, ARRAYSIZE(szGuidString)) == ERROR_SUCCESS)
{
rc = RegQueryValueExW(hKey, lpGuidString, NULL, &dwRegType, NULL, &dwLength);
rc = RegQueryValueExW(hKey, szGuidString, NULL, &dwRegType, NULL, &dwLength);
if (rc == ERROR_SUCCESS && dwRegType == REG_MULTI_SZ)
{
LPWSTR KeyBuffer = HeapAlloc(GetProcessHeap(), 0, dwLength);
if (KeyBuffer != NULL)
{
rc = RegQueryValueExW(hKey, lpGuidString, NULL, NULL, (LPBYTE)KeyBuffer, &dwLength);
rc = RegQueryValueExW(hKey, szGuidString, NULL, NULL, (LPBYTE)KeyBuffer, &dwLength);
if (rc == ERROR_SUCCESS)
{
LPWSTR ptr;
@ -4319,7 +4319,6 @@ BOOL WINAPI SetupDiCallClassInstaller(
HeapFree(GetProcessHeap(), 0, KeyBuffer);
}
}
RpcStringFreeW(&lpGuidString);
}
RegCloseKey(hKey);
}