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

Chain counters are only enabled on demand since 9f08ea848117, skip them
when dumping them via netlink.

Fixes: 9f08ea848117 ("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>

1 files changed, 1 insertions, 1 deletions

diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c
index 34adedcb239e..64e1ee091225 100644
--- a/net/netfilter/nf_tables_api.c
+++ b/net/netfilter/nf_tables_api.c
@@ -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;
         }