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>

diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c
index d481f9b..3379974 100644 (file)
--- 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);