linux-kernel - Re: [PATCH net-next 5/9] openvswitch: Add conntrack action

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Date:	Fri, 31 Jul 2015 13:14:11 -0700
From:	Joe Stringer <joestringer@...ira.com>
To:	Hannes Frederic Sowa <hannes@...hat.com>
Cc:	Linux Netdev List <netdev@...r.kernel.org>,
	Linux Kernel <linux-kernel@...r.kernel.org>,
	Pablo Neira Ayuso <pablo@...filter.org>,
	Patrick McHardy <kaber@...sh.net>,
	Justin Pettit <jpettit@...ira.com>,
	Pravin Shelar <pshelar@...ira.com>,
	Andy Zhou <azhou@...ira.com>, Jesse Gross <jesse@...ira.com>,
	Florian Westphal <fwestpha@...hat.com>,
	Thomas Graf <tgraf@...ronetworks.com>
Subject: Re: [PATCH net-next 5/9] openvswitch: Add conntrack action

On 31 July 2015 at 08:26, Hannes Frederic Sowa <hannes@...hat.com> wrote:
> On Thu, 2015-07-30 at 11:12 -0700, Joe Stringer wrote:
>> +static void do_output(struct datapath *dp, struct sk_buff *skb, int
>> out_port,
>> +                   struct sw_flow_key *key)
>>  {
>>       struct vport *vport = ovs_vport_rcu(dp, out_port);
>>
>> -     if (likely(vport))
>> -             ovs_vport_send(vport, skb);
>> -     else
>> +     if (likely(vport)) {
>> +             unsigned int mru = OVS_CB(skb)->mru;
>> +             struct dst_entry *orig_dst = dst_clone(skb_dst(skb));
>
> I think you forgot to remove this?

You're right that it's incorrect, however we do still need to ensure
that the original skb's reference to the orig_dst is released. I'll
tidy this up for v2.
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