From ac34b861979ec5057d686c890b1b8f8661e9b99f Mon Sep 17 00:00:00 2001
From: Pablo Neira Ayuso <pablo@netfilter.org>
Date: Tue, 10 Jun 2014 10:53:02 +0200
Subject: [PATCH] netfilter: nf_tables: decrement chain use counter when
replacing rules
Thus, the chain use counter remains with the same value after the
rule replacement.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
---
net/netfilter/nf_tables_api.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c
index 5586426a6169..19f438deeab8 100644
--- a/net/netfilter/nf_tables_api.c
+++ b/net/netfilter/nf_tables_api.c
@@ -1799,6 +1799,7 @@ static int nf_tables_newrule(struct sock *nlsk, struct sk_buff *skb,
goto err2;
}
nft_rule_disactivate_next(net, old_rule);
+ chain->use--;
list_add_tail_rcu(&rule->list, &old_rule->list);
} else {
err = -ENOENT;
@@ -1829,6 +1830,7 @@ static int nf_tables_newrule(struct sock *nlsk, struct sk_buff *skb,
list_del_rcu(&nft_trans_rule(trans)->list);
nft_rule_clear(net, nft_trans_rule(trans));
nft_trans_destroy(trans);
+ chain->use++;
}
err2:
nf_tables_rule_destroy(&ctx, rule);
--
2.30.9