IopReleaseFileObjectLock

NTSTATUS __stdcall IopReleaseFileObjectLock(PADAPTER_OBJECT DmaAdapter){
  UINT64 v1; 
  _ETHREAD *CurrentThread; 
  unsigned int SessionId; 
  char v5; 
  int v6; 
  bool v7; 
  __int64 v8; 
  unsigned __int64 v9; 
  int v10; 
  unsigned int v11; 
  __int64 v12; 
  NTSTATUS result; 
  ULONG_PTR BugCheckParameter4; 
  int v15; 
  INT64 BoostPriority; 
  _KTHREAD *Thread; 
  v1 = (UINT64)&DmaAdapter[8];
  Thread = 0i64;
  LODWORD(BoostPriority) = *((char *)KeGetCurrentThread() + 195);
  _InterlockedExchange((volatile __int32 *)(&DmaAdapter[7].Size + 1), 0);
  if( *(_DWORD *)&DmaAdapter[7].Version )
  {
    LOBYTE(BugCheckParameter4) = 0;
    KeSetEventBoostPriorityEx(
      (_KEVENT *)&DmaAdapter[8],
      (_KTHREAD **)&Thread,
      &BoostPriority,
      &DmaAdapter[8],
      BugCheckParameter4);
  }
  CurrentThread = (_ETHREAD *)KeGetCurrentThread();
  v15 = 0;
  if( (unsigned int)MiGetSystemRegionType(v1) == 1 )
    SessionId = MmGetSessionIdEx(*((_QWORD *)CurrentThread + 23));
  else
    SessionId = -1;
  --*((_WORD *)CurrentThread + 243);
  v5 = ++*((_BYTE *)CurrentThread + 794);
  v6 = (*((char *)CurrentThread + 792) | *((char *)CurrentThread + 870)) ^ 0x3F;
  v7 = !_BitScanReverse((unsigned int *)&v8, v6);
  if( v7 )
    goto LABEL_21;
  while( 1 )
  {
    v9 = *((_QWORD *)CurrentThread + 100) + 96 * v8;
    v6 &= ~(1 << v8);
    if( (*(_BYTE *)(v9 + 26) & 1) != 0
      && (*(_DWORD *)(v9 + 32) & 1) == 0
      && (*(_QWORD *)(v9 + 32) & 0x7FFFFFFFFFFFFFFCi64) == (v1 & 0x7FFFFFFFFFFFFFFCi64)
      && *(_DWORD *)(v9 + 40) == SessionId )
    {
      *(_BYTE *)(v9 + 26) &= ~1u;
      if( *(_QWORD *)(v9 + 32) )
        break;
    }
    v7 = !_BitScanReverse((unsigned int *)&v8, v6);
    if( v7 )
      goto LABEL_21;
  }
  if( !v9 )
  {
LABEL_21:
    if( (*((_DWORD *)CurrentThread + 30) & 0x10000) == 0 )
      KeBugCheckEx(0x162u, (ULONG_PTR)CurrentThread, v1, SessionId, 0i64);
  }
  else
  {
    *(_BYTE *)(v9 + 32) |= 2u;
    if( *(__int64 *)(v9 + 32) < 0 )
      KiAbEntryRemoveFromTree(v9);
    v10 = *(_DWORD *)(v9 + 88) & 0x1FFFF;
    v11 = *(_DWORD *)(v9 + 88) & 0xFFFE0000;
    *(_BYTE *)(v9 + 25) &= ~1u;
    v15 = v10;
    *(_DWORD *)(v9 + 88) = v11;
    *(_QWORD *)(v9 + 32) = 0i64;
    v12 = (__int64)(v9 - *((_QWORD *)CurrentThread + 100)) / 96;
    if( v5 == 1 )
      *((_BYTE *)CurrentThread + 792) |= 1 << v12;
    else
      _InterlockedOr8((volatile signed __int8 *)CurrentThread + 870, 1 << v12);
  }
  --*((_BYTE *)CurrentThread + 794);
  KiAbThreadRemoveBoosts((ULONG_PTR)CurrentThread, v1, (unsigned int *)&v15);
  v7 = (*((_WORD *)CurrentThread + 243))++ == 0xFFFF;
  if( v7 && *((_ETHREAD **)CurrentThread + 19) != (_ETHREAD *)((char *)CurrentThread + 152) )
    KiCheckForKernelApcDelivery();
  HalPutDmaAdapter(DmaAdapter);
  KeLeaveCriticalRegion();
  return result;
}

Referenced by: