netdev - [PATCH net-next 3/5] net: sched: return NF_ACCEPT when fails to add nat ext in tcf_ct_act

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Date:   Tue, 15 Nov 2022 10:50:55 -0500
From:   Xin Long <lucien.xin@...il.com>
To:     network dev <netdev@...r.kernel.org>, dev@...nvswitch.org
Cc:     davem@...emloft.net, kuba@...nel.org,
        Eric Dumazet <edumazet@...gle.com>,
        Paolo Abeni <pabeni@...hat.com>,
        Pravin B Shelar <pshelar@....org>,
        Jamal Hadi Salim <jhs@...atatu.com>,
        Cong Wang <xiyou.wangcong@...il.com>,
        Jiri Pirko <jiri@...nulli.us>,
        Pablo Neira Ayuso <pablo@...filter.org>,
        Florian Westphal <fw@...len.de>,
        Marcelo Ricardo Leitner <marcelo.leitner@...il.com>,
        Davide Caratti <dcaratti@...hat.com>,
        Eelco Chaudron <echaudro@...hat.com>,
        Aaron Conole <aconole@...hat.com>
Subject: [PATCH net-next 3/5] net: sched: return NF_ACCEPT when fails to add nat ext in tcf_ct_act_nat

This patch changes to return NF_ACCEPT when fails to add nat
ext before doing NAT in tcf_ct_act_nat(), to keep consistent
with OVS' processing in ovs_ct_nat().

Signed-off-by: Xin Long <lucien.xin@...il.com>
---
 net/sched/act_ct.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/sched/act_ct.c b/net/sched/act_ct.c
index da0b7f665277..8869b3ef6642 100644
--- a/net/sched/act_ct.c
+++ b/net/sched/act_ct.c
@@ -994,7 +994,7 @@ static int tcf_ct_act_nat(struct sk_buff *skb,
 
 	/* Add NAT extension if not confirmed yet. */
 	if (!nf_ct_is_confirmed(ct) && !nf_ct_nat_ext_add(ct))
-		return NF_DROP;   /* Can't NAT. */
+		return NF_ACCEPT;   /* Can't NAT. */
 
 	if (ctinfo != IP_CT_NEW && (ct->status & IPS_NAT_MASK) &&
 	    (ctinfo != IP_CT_RELATED || commit)) {
-- 
2.31.1