PpDevNodeLockTree

UINT8 __stdcall PpDevNodeLockTree(PNP_LOCK_LEVEL LockLevel){
  INT64 v1; 
  INT64 v2; 
  _ETHREAD *CurrentThread; 
  UINT8 v4; 
  __int32 v5; 
  __int32 v6; 
  __int32 v7; 
  NTSTATUS IsResourceAcquiredSharedLite; 
  INT64 v9; 
  NTSTATUS i; 
  INT64 v11; 

  CurrentThread = (_ETHREAD *)KeGetCurrentThread();
  v4 = 1;
  --CurrentThread->Tcb.KernelApcDisable;
  if( LockLevel == PPL_SIMPLE_READ )
    goto LABEL_15;
  v5 = LockLevel - 1;
  if( !v5 )
  {
    ExAcquireResourceExclusiveLite((UINT64)&PnpReplaceEvent + 6400, 1, v2);
    goto LABEL_15;
  }
  v6 = v5 - 1;
  if( !v6 )
  {
    if( !ExAcquireResourceExclusiveLite((UINT64)&PnpReplaceEvent + 6400, 0, v2) )
    {
      v4 = 0;
      KeLeaveCriticalRegion();
      return v4;
    }
LABEL_15:
    ExAcquireResourceSharedLite((UINT64)&PnpReplaceEvent + 6048, 1);
    return v4;
  }
  v7 = v6 - 1;
  if( v7 )
  {
    if( v7 == 1 )
    {
      IsResourceAcquiredSharedLite = ExIsResourceAcquiredSharedLite((UINT64)&PnpReplaceEvent + 6048, v1, v2);
      for( i = IsResourceAcquiredSharedLite; i; --i )
        ExReleaseResourceLite((PERESOURCE)((char *)&PnpReplaceEvent + 6048));
      for( ; IsResourceAcquiredSharedLite; --IsResourceAcquiredSharedLite )
        ExAcquireResourceExclusiveLite((UINT64)&PnpReplaceEvent + 6048, 1, v9);
    }
  }
  else
  {
    ExAcquireResourceExclusiveLite((UINT64)&PnpReplaceEvent + 6400, 1, v2);
    ExAcquireResourceExclusiveLite((UINT64)&PnpReplaceEvent + 6048, 1, v11);
  }
  return v4;
}

Referenced by: