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netfilter: nf_tables: use RCU-safe list insertion when replacing rules 

The patch 5e94846 ("netfilter: nf_tables: add insert operation") did
not include RCU-safe list insertion when replacing rules.

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
hifive-unleashed-5.1
Pablo Neira Ayuso 2014-06-10 10:53:00 +02:00
parent cd5f336f17
commit 5bc5c30765
1 changed files with 1 additions and 1 deletions
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2
net/netfilter/nf_tables_api.c
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@ -1796,7 +1796,7 @@ static int nf_tables_newrule(struct sock *nlsk, struct sk_buff *skb,
goto err2;
}
nft_rule_disactivate_next(net, old_rule);
list_add_tail(&rule->list, &old_rule->list);
list_add_tail_rcu(&rule->list, &old_rule->list);
} else {
err = -ENOENT;
goto err2;