Commit 0d1873a5 authored by Pablo Neira Ayuso's avatar Pablo Neira Ayuso
Browse files

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: default avatarPablo Neira Ayuso <pablo@netfilter.org>
parent fc0d026a

net/netfilter/nf_tables_core.c

+0 −2
Original line number Diff line number Diff line
@@ -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 {