Hi Pedro,

The attachment is the compress for all the patches of precord.
And I will post changed patch to maillist too.

Please help me review it.

>
> if (old_chain)
>  do_cleanups (old_chain);
> ^^^^^^^^^^^^^
>    ^ - so this is wrong, because old_chain may be NULL, and
>        you still wanted the do_cleanups call to happen.
>

Sorry for I didn't understand your prev mail.
Now I got and fixed it.  Thanks for explain it twice.  :)


Thanks,
Hui