WmipGetGuidObjectInstanceInfo

__int64 __fastcall WmipGetGuidObjectInstanceInfo(__int64 a1, ULONG_PTR a2, struct _UNICODE_STRING *a3, _DWORD *a4){
  _DWORD *v5; 
  struct _UNICODE_STRING *v6; 
  NTSTATUS DeviceInstanceName; 
  __int64 v8; 
  unsigned __int16 v9; 
  int v10; 
  wchar_t *Buffer; 
  _QWORD *v12; 
  _QWORD *v13; 
  __int64 v14; 
  __int64 v15; 
  _UNICODE_STRING v16; 
  _UNICODE_STRING Str2; 
  v5 = a4;
  v6 = a3;
  Str2 = 0i64;
  DeviceInstanceName = IoGetDeviceInstanceName((DEVICE_OBJECT *)a2, &Str2);
  if( DeviceInstanceName >= 0 )
  {
    v8 = *(_QWORD *)(a1 + 56);
    v9 = Str2.Length >> 1;
    v10 = 0;
    DeviceInstanceName = -1073741162;
    KeWaitForSingleObject(&WmipSMMutex, Executive, 0, 0, 0i64);
    Buffer = Str2.Buffer;
    if( *(_DWORD *)(v8 + 36) )
    {
      v12 = (_QWORD *)(v8 + 56);
      v13 = (_QWORD *)*v12;
      if( (_QWORD *)*v12 != v12 )
      {
        while( 1 )
        {
          if( (v13[2] & 1) != 0 )
          {
            v14 = v13[11];
            v15 = -1i64;
            do
              ++v15;
            while( *(_WORD *)(v14 + 2 * v15 + 4) );
            if( !wcsnicmp((const wchar_t *)(v14 + 4), Buffer, v9)
              && (unsigned __int16)v15 == v9 + 1
              && *(_WORD *)(v14 + 2i64 * (unsigned __int16)v15 + 2) == 95 )
            {
              break;
            }
          }
          v13 = (_QWORD *)*v13;
          if( v13 == v12 )
            goto LABEL_11;
        }
        DeviceInstanceName = 0;
        v10 = *(_DWORD *)v13[11];
LABEL_11:
        v6 = a3;
      }
      v5 = a4;
    }
    KeReleaseMutex(&WmipSMMutex, 0);
    if( DeviceInstanceName >= 0 )
    {
      v16 = Str2;
      *v5 = v10;
      Buffer = 0i64;
      Str2.Buffer = 0i64;
      DeviceInstanceName = 0;
      *v6 = v16;
    }
    if( Buffer )
      RtlFreeAnsiString(&Str2);
  }
  return(unsigned int)DeviceInstanceName;
}

Referenced by: