PopGenerateDeviceFriendlyName

INT64 __fastcall PopGenerateDeviceFriendlyName(INT64 a1, UNICODE_STRING *a2){
  _DEVICE_OBJECT *v2; 
  NTSTATUS DeviceProperty; 
  signed int v6; 
  const _UNICODE_STRING *v7; 
  ULONG v8; 
  void *PoolWithTag; 
  __int64 v10; 
  _WORD *v11; 
  int v12; 
  int v13; 
  unsigned __int64 Length; 
  unsigned __int16 v16; 
  wchar_t *v17; 
  UNICODE_STRING *v18; 
  ULONG BufferLength; 
  *a2 = 0i64;
  v2 = *(_DEVICE_OBJECT **)(a1 + 32);
  BufferLength = 0;
  DeviceProperty = IoGetDeviceProperty(v2, DevicePropertyDeviceDescription, 0, 0i64, &BufferLength);
  v6 = DeviceProperty;
  if( DeviceProperty == -1073741789 )
  {
    if( BufferLength > 0xFFFF
      || (v7 = (const _UNICODE_STRING *)(a1 + 128), v8 = *(unsigned __int16 *)(a1 + 128) + BufferLength + 6, v8 > 0xFFFF) )
    {
      v6 = -2147483643;
      goto LABEL_25;
    }
    PoolWithTag = ExAllocatePoolWithTag(PagedPool, v8, 0x4D584650ui64);
    if( PoolWithTag )
    {
      v6 = IoGetDeviceProperty(v2, DevicePropertyDeviceDescription, BufferLength, PoolWithTag, &BufferLength);
      if( v6 < 0 )
        goto LABEL_20;
      *a2 = 0i64;
      v10 = 0x7FFFi64;
      v11 = PoolWithTag;
      do
      {
        if( !*v11 )
          break;
        ++v11;
        --v10;
      }
      while( v10 );
      v6 = v10 == 0 ? 0xC000000D : 0;
      if( v10 )
      {
        if( a2 )
        {
          a2->Buffer = (wchar_t *)PoolWithTag;
          a2->Length = 2 * (v10 != 0 ? 0x7FFF - v10 : 0);
        }
        else
        {
          v6 = -1073741811;
        }
      }
      a2->MaximumLength = v8;
      if( v6 < 0 )
        goto LABEL_20;
      RtlUnicodeStringCatString(a2, (PWCHAR)L" (");
      v6 = v12;
      if( v12 < 0 )
        goto LABEL_20;
      v6 = RtlUnicodeStringCat(a2, v7);
      if( v6 < 0 )
        goto LABEL_20;
      RtlUnicodeStringCatString(a2, (PWCHAR)L")");
      v6 = v13;
      if( v13 < 0 )
        goto LABEL_20;
      Length = a2->Length;
      if( Length > (unsigned __int64)a2->MaximumLength - 2 )
        v6 = -2147483643;
      else
        a2->Buffer[Length >> 1] = 0;
      if( v6 < 0 )
        goto LABEL_20;
      goto LABEL_19;
    }
LABEL_27:
    v6 = -1073741670;
    goto LABEL_25;
  }
  if( DeviceProperty != -1073741772 )
    goto LABEL_22;
  v16 = *(_WORD *)(a1 + 128);
  v17 = (wchar_t *)ExAllocatePoolWithTag(PagedPool, v16, 0x4D584650ui64);
  if( !v17 )
    goto LABEL_27;
  a2->Buffer = v17;
  a2->Length = 0;
  a2->MaximumLength = v16;
  RtlCopyUnicodeString(a2, (UNICODE_STRING *)(a1 + 128), v18);
LABEL_19:
  PoolWithTag = 0i64;
  v6 = 0;
LABEL_20:
  if( PoolWithTag )
    ExFreePoolWithTag(PoolWithTag, 0x4D584650u);
LABEL_22:
  if( v6 < 0 )
LABEL_25:
    *a2 = 0i64;
  return(unsigned int)v6;
}

Referenced by: