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authorPaul E. McKenney <paulmck@kernel.org>2019-09-24 01:53:02 +0300
committerPaul E. McKenney <paulmck@kernel.org>2019-10-30 18:45:38 +0300
commitb685b534bf1586a01b32280d1da39febaf270039 (patch)
tree7161e5a3e85ea2f8513e67b59b9e85bf02634569
parente3f0d761fcaec5d445c9280d6e09087dc32828d2 (diff)
downloadlinux-b685b534bf1586a01b32280d1da39febaf270039.tar.xz
net/netfilter: Replace rcu_swap_protected() with rcu_replace_pointer()
This commit replaces the use of rcu_swap_protected() with the more intuitively appealing rcu_replace_pointer() as a step towards removing rcu_swap_protected(). Link: https://lore.kernel.org/lkml/CAHk-=wiAsJLw1egFEE=Z7-GGtM6wcvtyytXZA1+BHqta4gg6Hw@mail.gmail.com/ Reported-by: Linus Torvalds <torvalds@linux-foundation.org> [ paulmck: From rcu_replace() to rcu_replace_pointer() per Ingo Molnar. ] Signed-off-by: Paul E. McKenney <paulmck@kernel.org> Acked-by: Pablo Neira Ayuso <pablo@netfilter.org> Cc: Jozsef Kadlecsik <kadlec@netfilter.org> Cc: Florian Westphal <fw@strlen.de> Cc: "David S. Miller" <davem@davemloft.net> Cc: <netfilter-devel@vger.kernel.org> Cc: <coreteam@netfilter.org> Cc: <netdev@vger.kernel.org>
-rw-r--r--net/netfilter/nf_tables_api.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c
index d481f9baca2f..337997464240 100644
--- a/net/netfilter/nf_tables_api.c
+++ b/net/netfilter/nf_tables_api.c
@@ -1461,8 +1461,9 @@ static void nft_chain_stats_replace(struct nft_trans *trans)
if (!nft_trans_chain_stats(trans))
return;
- rcu_swap_protected(chain->stats, nft_trans_chain_stats(trans),
- lockdep_commit_lock_is_held(trans->ctx.net));
+ nft_trans_chain_stats(trans) =
+ rcu_replace_pointer(chain->stats, nft_trans_chain_stats(trans),
+ lockdep_commit_lock_is_held(trans->ctx.net));
if (!nft_trans_chain_stats(trans))
static_branch_inc(&nft_counters_enabled);