PpDevNodeUnlockTree

void __fastcall PpDevNodeUnlockTree(int a1){
  struct _ERESOURCE *v1; 
  int v2; 
  int v3; 
  int v4; 
  if( !a1 )
  {
    v1 = &IopDeviceTreeLock;
LABEL_3:
    ExReleaseResourceLite(v1);
    goto LABEL_4;
  }
  v2 = a1 - 1;
  if( !v2 || (v3 = v2 - 1) == 0 || (v4 = v3 - 1) == 0 )
  {
    ExReleaseResourceLite(&IopDeviceTreeLock);
    v1 = &PiEngineLock;
    goto LABEL_3;
  }
  if( v4 == 1 )
    ExConvertExclusiveToSharedLite(&IopDeviceTreeLock);
LABEL_4:
  KeLeaveCriticalRegion();
}

Referenced by: