Re: [Patch net v2] ipt_CLUSTERIP: fix a refcount bug in clusterip_config_find_get()

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Cong Wang <xiyou.wangcong@xxxxxxxxx> wrote:
> In clusterip_config_find_get() we hold RCU read lock so it could
> run concurrently with clusterip_config_entry_put(), as a result,
> the refcnt could go back to 1 from 0, which leads to a double
> list_del()... Just replace refcount_inc() with
> refcount_inc_not_zero(), as for c->refcount.

Reviewed-by: Florian Westphal <fw@xxxxxxxxx>
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