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api: map cr errors to win32 errors

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Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
This commit is contained in:
Jason A. Donenfeld 2020-11-02 00:13:55 +01:00 committed by Simon Rozman
parent 47a241e5d8
commit 7f35f0dbab
1 changed files with 8 additions and 12 deletions
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20
api/adapter.c
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@ -174,26 +174,22 @@ static WINTUN_STATUS
GetDeviceObject(_In_opt_z_ const WCHAR *InstanceId, _Out_ HANDLE *Handle)
{
ULONG InterfacesLen;
DWORD Result = CM_Get_Device_Interface_List_SizeW(
&InterfacesLen, (GUID *)&GUID_DEVINTERFACE_NET, (DEVINSTID_W)InstanceId, CM_GET_DEVICE_INTERFACE_LIST_PRESENT);
if (Result != CR_SUCCESS)
{
LOG(WINTUN_LOG_ERR, L"Failed to query associated instances size");
return ERROR_GEN_FAILURE;
}
DWORD Result = CM_MapCrToWin32Err(CM_Get_Device_Interface_List_SizeW(
&InterfacesLen, (GUID *)&GUID_DEVINTERFACE_NET, (DEVINSTID_W)InstanceId, CM_GET_DEVICE_INTERFACE_LIST_PRESENT), ERROR_GEN_FAILURE);
if (Result != ERROR_SUCCESS)
return LOG_ERROR(L"Failed to query associated instances size", Result);
WCHAR *Interfaces = HeapAlloc(ModuleHeap, 0, InterfacesLen * sizeof(WCHAR));
if (!Interfaces)
return LOG(WINTUN_LOG_ERR, L"Out of memory"), ERROR_OUTOFMEMORY;
Result = CM_Get_Device_Interface_ListW(
Result = CM_MapCrToWin32Err(CM_Get_Device_Interface_ListW(
(GUID *)&GUID_DEVINTERFACE_NET,
(DEVINSTID_W)InstanceId,
Interfaces,
InterfacesLen,
CM_GET_DEVICE_INTERFACE_LIST_PRESENT);
if (Result != CR_SUCCESS)
CM_GET_DEVICE_INTERFACE_LIST_PRESENT), ERROR_GEN_FAILURE);
if (Result != ERROR_SUCCESS)
{
LOG(WINTUN_LOG_ERR, L"Failed to get associated instances");
Result = ERROR_GEN_FAILURE;
LOG_ERROR(L"Failed to get associated instances", Result);
goto cleanupBuf;
}
*Handle = CreateFileW(