- pn5.set(cb, length);
- pn6.set(cb, 2*stride+1);
- pn_base2.set(cb, base_write);
- pn_end.set(cb, length);
+ if (pn5!=null) pn5.set(cb, length);
+ if (pn6!=null) pn6.set(cb, 2*stride+1);
+ if (pn_base2!=null) pn_base2.set(cb, base_write);
+ if (pn_end!=null) pn_end.set(cb, length);