CmDeleteDevicePanelRegKeyWorker

__int64 __fastcall CmDeleteDevicePanelRegKeyWorker(__int64 a1, const wchar_t *a2, int a3, __int64 a4, char a5){
  wchar_t *pszDest; 
  unsigned __int64 v9; 
  UINT64 i; 
  int v11; 
  int inited; 
  __int64 v13; 
  unsigned __int16 Length; 
  char v15; 
  const WCHAR *v16; 
  char *v17; 
  _QWORD *v18; 
  __int64 v19; 
  __int64 v20; 
  int v21; 
  __int64 v22; 
  __int64 v23; 
  WCHAR *v24; 
  __int64 v25; 
  __int64 v26; 
  WCHAR *v27; 
  __int64 v28; 
  __int64 v29; 
  int v31; 
  size_t cchDest; 
  HANDLE Handle; 
  char *v34; 
  struct _UNICODE_STRING DestinationString; 
  __int64 v36; 
  LODWORD(v36) = 0;
  v34 = 0i64;
  Handle = 0i64;
  pszDest = 0i64;
  DestinationString = 0i64;
  if( !a3 || (a3 & 0xFFFFFE9F) != 0 )
    goto LABEL_54;
  LODWORD(v9) = 317;
  for( i = 317i64; ; i = (unsigned int)v9 )
  {
    pszDest = (wchar_t *)ExAllocatePoolWithTag(PagedPool, i, 0x52504E50ui64);
    if( !pszDest )
      break;
    LODWORD(cchDest) = (unsigned int)v9 >> 1;
    CmGetDevicePanelRegKeyPath((unsigned int)v9 >> 1, a2, a3, v13, v31, pszDest, cchDest, (__int64)&v36);
    inited = v11;
    if( v11 != -1073741789 )
      goto LABEL_9;
    ExFreePoolWithTag(pszDest, 0);
    v9 = 2i64 * (unsigned int)v36;
    pszDest = 0i64;
    if( v9 > 0xFFFFFFFF )
    {
      inited = -1073741675;
      goto LABEL_55;
    }
  }
  inited = -1073741801;
LABEL_9:
  if( inited < 0 )
    goto LABEL_55;
  if( (a3 & 0x100) == 0 )
  {
    inited = RtlInitUnicodeStringEx(&DestinationString, pszDest);
    if( inited < 0 )
      goto LABEL_55;
    Length = DestinationString.Length;
    if( DestinationString.Length < (unsigned int)v9
      && DestinationString.Length > 0x32u
      && (unsigned __int8)RtlPrefixUnicodeString(
                            (PVOID)&`_CmOpenDevicePanelRegKeyWorker'::`2'::ObjectPathRootPrefix,
                            (INT64 *)&DestinationString) )
    {
      DestinationString.MaximumLength -= 50;
      DestinationString.Buffer = pszDest + 25;
      DestinationString.Length = Length - 50;
      v15 = RtlPrefixUnicodeString(
              (PVOID)&`_CmDeleteDevicePanelRegKeyWorker'::`2'::DevicePanelsKeyPrefix,
              (INT64 *)&DestinationString);
      inited = PnpCtxGetCachedContextBaseKey(a1, v15 != 0 ? 11 : 4, (__int64 *)&v34);
      if( inited < 0 )
        goto LABEL_55;
      v16 = pszDest + 46;
      if( !v15 )
        v16 = pszDest + 25;
      v17 = v34;
      goto LABEL_24;
    }
LABEL_54:
    inited = -1073741811;
    goto LABEL_55;
  }
  v16 = pszDest;
  v18 = 0i64;
  if( a1 )
    v18 = *(_QWORD **)(a1 + 224);
  inited = SysCtxRegOpenCurrentUserKey(v18, 0, 0x2000000u, &Handle);
  if( inited < 0 )
    goto LABEL_55;
  v17 = (char *)Handle;
LABEL_24:
  if( a5 )
  {
    if( a1 && (v19 = *(_QWORD *)(a1 + 224)) != 0 )
      v20 = *(_QWORD *)(v19 + 8);
    else
      v20 = 0i64;
    v21 = RegRtlDeleteTreeInternal(v17, v16, v20, 0);
  }
  else
  {
    if( a1 && (v22 = *(_QWORD *)(a1 + 224)) != 0 )
      v23 = *(_QWORD *)(v22 + 8);
    else
      v23 = 0i64;
    v21 = RegRtlDeleteKeyTransacted(v17, v16, v23);
  }
  if( v21 == -1073741444 )
    goto LABEL_55;
  if( v21 < 0 )
    goto LABEL_37;
  v24 = wcsrchr(v16, 0x5Cu);
  if( !v24 )
    goto LABEL_39;
  *v24 = 0;
  if( a1 && (v25 = *(_QWORD *)(a1 + 224)) != 0 )
    v26 = *(_QWORD *)(v25 + 8);
  else
    v26 = 0i64;
  v21 = RegRtlDeleteKeyTransacted(v17, v16, v26);
  if( v21 != -1073741535 )
  {
    if( v21 < 0 )
      goto LABEL_37;
    v27 = wcsrchr(v16, 0x5Cu);
    if( !v27 )
    {
LABEL_39:
      inited = -1073741595;
      goto LABEL_55;
    }
    *v27 = 0;
    if( a1 && (v28 = *(_QWORD *)(a1 + 224)) != 0 )
      v29 = *(_QWORD *)(v28 + 8);
    else
      v29 = 0i64;
    v21 = RegRtlDeleteKeyTransacted(v17, v16, v29);
    if( (int)(v21 + 0x80000000) >= 0 && v21 != -1073741535 )
LABEL_37:
      inited = v21;
  }
LABEL_55:
  if( Handle )
    ZwClose(Handle);
  if( pszDest )
    ExFreePoolWithTag(pszDest, 0);
  return(unsigned int)inited;
}

Referenced by: