From 0d1873a52289f7214e7e70d2d0552b617582269a Mon Sep 17 00:00:00 2001 From: Pablo Neira Ayuso Date: Fri, 10 Dec 2021 00:06:44 +0100 Subject: netfilter: nf_tables: remove rcu read-size lock Chain stats are updated from the Netfilter hook path which already run under rcu read-size lock section. Signed-off-by: Pablo Neira Ayuso --- net/netfilter/nf_tables_core.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/net/netfilter/nf_tables_core.c b/net/netfilter/nf_tables_core.c index adc348056076..41c7509955e6 100644 --- a/net/netfilter/nf_tables_core.c +++ b/net/netfilter/nf_tables_core.c @@ -110,7 +110,6 @@ static noinline void nft_update_chain_stats(const struct nft_chain *chain, base_chain = nft_base_chain(chain); - rcu_read_lock(); pstats = READ_ONCE(base_chain->stats); if (pstats) { local_bh_disable(); @@ -121,7 +120,6 @@ static noinline void nft_update_chain_stats(const struct nft_chain *chain, u64_stats_update_end(&stats->syncp); local_bh_enable(); } - rcu_read_unlock(); } struct nft_jumpstack { -- cgit v1.2.3-59-g8ed1b