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[DEVMGR] Fix reading the device resource lists

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For each device we must first try to read its AllocConfig resource list. If its AllocConfig resource list is not available, try to read its BootConfig resource list.
This commit is contained in:
Eric Kohl
2025-06-20 20:50:18 +02:00
parent 8aab5a9b24
commit d8bfa93f21
1 changed files with 59 additions and 3 deletions
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62
dll/win32/devmgr/properties/hwresource.cpp
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@@ -209,9 +209,9 @@ ResourcesProcDriverDlgProc(IN HWND hwndDlg,
return Ret;
}
PVOID
GetResourceList(
static
PCM_RESOURCE_LIST
GetAllocatedResourceList(
LPWSTR pszDeviceID)
{
PCM_RESOURCE_LIST pResourceList = NULL;
@@ -249,5 +249,61 @@ done:
if (hKey != NULL)
RegCloseKey(hKey);
return pResourceList;
}
static
PCM_RESOURCE_LIST
GetBootResourceList(
LPWSTR pszDeviceID)
{
PCM_RESOURCE_LIST pResourceList = NULL;
HKEY hKey = NULL;
DWORD dwError, dwSize;
CStringW keyName = L"SYSTEM\\CurrentControlSet\\Enum\\";
keyName += pszDeviceID;
keyName += L"\\LogConf";
dwError = RegOpenKeyExW(HKEY_LOCAL_MACHINE, keyName, 0, KEY_READ, &hKey);
if (dwError != ERROR_SUCCESS)
{
/* failed to open device instance log conf dir */
return NULL;
}
dwSize = 0;
RegQueryValueExW(hKey, L"BootConfig", NULL, NULL, NULL, &dwSize);
if (dwSize == 0)
goto done;
pResourceList = static_cast<PCM_RESOURCE_LIST>(HeapAlloc(GetProcessHeap(), 0, dwSize));
if (pResourceList == NULL)
goto done;
dwError = RegQueryValueExW(hKey, L"BootConfig", NULL, NULL, (LPBYTE)pResourceList, &dwSize);
if (dwError != ERROR_SUCCESS)
{
HeapFree(GetProcessHeap(), 0, pResourceList);
pResourceList = NULL;
}
done:
if (hKey != NULL)
RegCloseKey(hKey);
return pResourceList;
}
PVOID
GetResourceList(
LPWSTR pszDeviceID)
{
PCM_RESOURCE_LIST pResourceList = NULL;
pResourceList = GetAllocatedResourceList(pszDeviceID);
if (pResourceList == NULL)
pResourceList = GetBootResourceList(pszDeviceID);
return (PVOID)pResourceList;
}