From mboxrd@z Thu Jan 1 00:00:00 1970 From: Xiaozhou Liu Subject: [PATCH net] soreuseport: use RCU_INIT_POINTER() when NULLing Date: Wed, 12 Dec 2018 17:58:12 +0800 Message-ID: <20181212095812.27541-1-liuxiaozhou@bytedance.com> Cc: "David S . Miller" , Xiaozhou Liu To: netdev@vger.kernel.org Return-path: Received: from mail-pf1-f196.google.com ([209.85.210.196]:45440 "EHLO mail-pf1-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726598AbeLLJ6n (ORCPT ); Wed, 12 Dec 2018 04:58:43 -0500 Received: by mail-pf1-f196.google.com with SMTP id g62so8624786pfd.12 for ; Wed, 12 Dec 2018 01:58:42 -0800 (PST) Sender: netdev-owner@vger.kernel.org List-ID: Use RCU_INIT_POINTER() instead of rcu_assign_pointer() to NULL out the pointer because it is a bit faster. Signed-off-by: Xiaozhou Liu --- net/core/sock_reuseport.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/net/core/sock_reuseport.c b/net/core/sock_reuseport.c index d8fe3e549373..25e71355f0a6 100644 --- a/net/core/sock_reuseport.c +++ b/net/core/sock_reuseport.c @@ -205,7 +205,7 @@ void reuseport_detach_sock(struct sock *sk) if (reuse->reuseport_id) bpf_sk_reuseport_detach(sk); - rcu_assign_pointer(sk->sk_reuseport_cb, NULL); + RCU_INIT_POINTER(sk->sk_reuseport_cb, NULL); for (i = 0; i < reuse->num_socks; i++) { if (reuse->socks[i] == sk) { -- 2.11.0