Commit 5f9bfe0e authored Oct 04, 2017 by Pablo Neira Ayuso

netfilter: nf_tables: do not dump chain counters if not enabled



Chain counters are only enabled on demand since 9f08ea84, skip them
when dumping them via netlink.

Fixes: 9f08ea84 ("netfilter: nf_tables: keep chain counters away from hot path")
Reported-by: Johny Mattsson <johny.mattsson+kernel@gmail.com>
Tested-by: Johny Mattsson <johny.mattsson+kernel@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>

parent e63aaaa6

net/netfilter/nf_tables_api.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -1048,7 +1048,7 @@ static int nf_tables_fill_chain_info(struct sk_buff skb, struct net net,
		if (nla_put_string(skb, NFTA_CHAIN_TYPE, basechain->type->name))
		goto nla_put_failure;

		if (nft_dump_stats(skb, nft_base_chain(chain)->stats))
		if (basechain->stats && nft_dump_stats(skb, basechain->stats))
		goto nla_put_failure;
		}

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