netdev - Re: [PATCH nf-next v2 2/3] netfilter: call nf_hook_state_init with rcu_read

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Date:	Thu, 14 Jul 2016 19:42:13 +0200
From:	Florian Westphal <fw@...len.de>
To:	Pablo Neira Ayuso <pablo@...filter.org>
Cc:	Aaron Conole <aconole@...heb.org>, netdev@...r.kernel.org,
	netfilter-devel@...r.kernel.org, Florian Westphal <fw@...len.de>
Subject: Re: [PATCH nf-next v2 2/3] netfilter: call nf_hook_state_init with
 rcu_read_lock held

Pablo Neira Ayuso <pablo@...filter.org> wrote:
> > diff --git a/net/bridge/netfilter/ebt_redirect.c b/net/bridge/netfilter/ebt_redirect.c
> > index 20396499..2e7c4f9 100644
> > --- a/net/bridge/netfilter/ebt_redirect.c
> > +++ b/net/bridge/netfilter/ebt_redirect.c
> > @@ -24,7 +24,7 @@ ebt_redirect_tg(struct sk_buff *skb, const struct xt_action_param *par)
> >  		return EBT_DROP;
> >  
> >  	if (par->hooknum != NF_BR_BROUTING)
> > -		/* rcu_read_lock()ed by nf_hook_slow */
> > +		/* rcu_read_lock()ed by nf_hook_thresh */
> 
> Why are all these comments being renamed in this patch? This patch
> description doesn't say anything about this.

Aaron, I'm sorry about this.

I suggest to do this renaming in a different patch, i.e.
keep the rcu_read_lock in nf_hook_slow in this patch.