PiDevCfgClearDeviceMigrationNode

INT64 __fastcall PiDevCfgClearDeviceMigrationNode(INT64 a1, const WCHAR *a2){
  char *v3; 
  __int64 v5; 
  int v6; 
  unsigned int v7; 
  int v8; 
  char *v9; 
  __int64 v10; 
  __int64 v11; 
  void *v12; 
  char *v13; 
  __int64 v14; 
  __int64 v15; 
  __int64 v16; 
  wchar_t *Buffer; 
  char **v18; 
  __int64 v19; 
  int v20; 
  __int64 v21; 
  __int64 v22; 
  __int64 v23; 
  __int64 v24; 
  int v26; 
  int v27; 
  int v28; 
  struct _UNICODE_STRING UnicodeString; 
  int v30; 
  HANDLE Handle; 
  struct _UNICODE_STRING v32; 
  struct _UNICODE_STRING DestinationString; 
  HANDLE KeyHandle; 
  HANDLE v35; 
  INT64 result; 
  int v37; 
  const wchar_t *v38; 
  struct _UNICODE_STRING *p_UnicodeString; 
  int v40; 
  int v41; 
  const wchar_t *v42; 
  struct _UNICODE_STRING *v43; 
  int v44; 
  int v45; 
  const wchar_t *v46; 
  int *v47; 
  int v48; 
  v3 = *(char **)(a1 + 8);
  Handle = 0i64;
  KeyHandle = 0i64;
  v35 = 0i64;
  *(_QWORD *)&UnicodeString.Length = 0i64;
  UnicodeString.Buffer = 0i64;
  *(_QWORD *)&v32.Length = 0i64;
  v32.Buffer = 0i64;
  v30 = 0;
  if( PiPnpRtlCtx )
    v5 = *(_QWORD *)(PiPnpRtlCtx + 224);
  else
    v5 = 0i64;
  v6 = SysCtxRegOpenKey(v5, v3, a2, 0, 0x20019u, &Handle);
  v7 = v6;
  if( v6 == -1073741772 )
  {
LABEL_5:
    v7 = 0;
    goto LABEL_59;
  }
  if( v6 >= 0 )
  {
    memset((INT64)&result, 0i64);
    v38 = L"ClassGuid";
    v40 = 0x1000000;
    v37 = 288;
    p_UnicodeString = &UnicodeString;
    v45 = 288;
    v42 = L"LocationPaths";
    v44 = 117440512;
    v43 = &v32;
    v46 = L"Persist";
    v47 = &v30;
    v41 = 304;
    v48 = 0x4000000;
    LOBYTE(v8) = RtlpQueryRegistryValues((_KTRAP_FRAME *)0xC0000000i64, (_KEXCEPTION_FRAME *)Handle);
    v7 = v8;
    if( v8 >= 0 )
    {
      if( !UnicodeString.Length && UnicodeString.Buffer )
        RtlFreeAnsiString(&UnicodeString);
      if( v32.Buffer && !PnpValidateMultiSzData(v32.Buffer, v32.Length) )
        RtlFreeAnsiString(&v32);
      if( v30 )
        goto LABEL_5;
      ZwClose(Handle);
      v9 = *(char **)(a1 + 8);
      Handle = 0i64;
      if( PiPnpRtlCtx && (v10 = *(_QWORD *)(PiPnpRtlCtx + 224)) != 0 )
        v11 = *(_QWORD *)(v10 + 8);
      else
        v11 = 0i64;
      RegRtlDeletePathInternal(v9, a2, 1, v11, v26);
      v12 = *(void **)(a1 + 24);
      if( v12 )
      {
        DestinationString = 0i64;
        if( (int)RtlInitUnicodeStringEx(&DestinationString, (WCHAR *)a2) >= 0 )
          ZwDeleteValueKey(v12, &DestinationString);
      }
      v13 = *(char **)(a1 + 16);
      if( v13 && UnicodeString.Buffer )
      {
        v14 = 0i64;
        if( PiPnpRtlCtx )
          v14 = *(_QWORD *)(PiPnpRtlCtx + 224);
        if( (int)SysCtxRegOpenKey(v14, v13, UnicodeString.Buffer, 0, 0xF003Fu, &KeyHandle) >= 0 )
        {
          DestinationString = 0i64;
          if( (int)RtlInitUnicodeStringEx(&DestinationString, (WCHAR *)a2) >= 0 )
            ZwDeleteValueKey(KeyHandle, &DestinationString);
          ZwClose(KeyHandle);
        }
        if( PiPnpRtlCtx && (v15 = *(_QWORD *)(PiPnpRtlCtx + 224)) != 0 )
          v16 = *(_QWORD *)(v15 + 8);
        else
          v16 = 0i64;
        RegRtlDeletePathInternal(*(char **)(a1 + 16), UnicodeString.Buffer, 0, v16, v27);
      }
      Buffer = v32.Buffer;
      if( v32.Buffer )
      {
        v18 = (char **)(a1 + 32);
        if( !*(_QWORD *)(a1 + 32) )
        {
          v19 = 0i64;
          if( PiPnpRtlCtx )
            v19 = *(_QWORD *)(PiPnpRtlCtx + 224);
          v20 = SysCtxRegOpenKey(v19, *(char **)a1, L"Locations", 0, 0xF003Fu, (void **)(a1 + 32));
          if( v20 == -1073741772 )
          {
            *v18 = 0i64;
          }
          else if( v20 < 0 )
          {
            v7 = v20;
            goto LABEL_59;
          }
          Buffer = v32.Buffer;
          if( !*v18 )
            goto LABEL_59;
        }
        while( *Buffer )
        {
          v21 = 0i64;
          if( PiPnpRtlCtx )
            v21 = *(_QWORD *)(PiPnpRtlCtx + 224);
          if( (int)SysCtxRegOpenKey(v21, *v18, Buffer, 0, 0xF003Fu, &v35) >= 0 )
          {
            DestinationString = 0i64;
            if( (int)RtlInitUnicodeStringEx(&DestinationString, (WCHAR *)a2) >= 0 )
              ZwDeleteValueKey(v35, &DestinationString);
            ZwClose(v35);
          }
          if( PiPnpRtlCtx && (v22 = *(_QWORD *)(PiPnpRtlCtx + 224)) != 0 )
            v23 = *(_QWORD *)(v22 + 8);
          else
            v23 = 0i64;
          RegRtlDeletePathInternal(*v18, Buffer, 0, v23, v28);
          v24 = -1i64;
          do
            ++v24;
          while( Buffer[v24] );
          Buffer += v24 + 1;
        }
      }
    }
  }
LABEL_59:
  RtlFreeAnsiString(&UnicodeString);
  RtlFreeAnsiString(&v32);
  if( Handle )
    ZwClose(Handle);
  return v7;
}

Referenced by: