Sat, Jul 28, 2018 at 07:39:36PM CEST, xiyou.wangc...@gmail.com wrote: >On Sat, Jul 28, 2018 at 10:20 AM Cong Wang <xiyou.wangc...@gmail.com> wrote: >> >> On Fri, Jul 27, 2018 at 12:47 AM Jiri Pirko <j...@resnulli.us> wrote: >> > >> > From: Jiri Pirko <j...@mellanox.com> >> > >> > In case a chain is empty and not explicitly created by a user, >> > such chain should not exist. The only exception is if there is >> > an action "goto chain" pointing to it. In that case, don't show the >> > chain in the dump. Track the chain references held by actions and >> > use them to find out if a chain should or should not be shown >> > in chain dump. >> > >> > Signed-off-by: Jiri Pirko <j...@mellanox.com> >> >> Looks reasonable to me. >> >> Acked-by: Cong Wang <xiyou.wangc...@gmail.com> > >Hold on... > >If you increase the refcnt for a zombie chain on NEWCHAIN path, >then it would become a non-zombie, this makes sense. However, >if the action_refcnt gets increased again when another action uses it, >it become a zombie again because refcnt==action_refcnt??
No. action always increases both refcnt and action_refcnt