From patchwork Fri Mar 26 18:26:39 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mat Martineau X-Patchwork-Id: 410526 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id D5550C433E9 for ; Fri, 26 Mar 2021 18:28:29 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 97BD161A54 for ; Fri, 26 Mar 2021 18:28:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230413AbhCZS2E (ORCPT ); Fri, 26 Mar 2021 14:28:04 -0400 Received: from mga05.intel.com ([192.55.52.43]:12666 "EHLO mga05.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230231AbhCZS1h (ORCPT ); Fri, 26 Mar 2021 14:27:37 -0400 IronPort-SDR: oaY3J8qA5DP9Pb//GcigRm/TpET3GoHnRRxa0s/UJWgmiBYgOGmfljdx79LddXlP5/vxWb3qYH WX4kcJx5uHOg== X-IronPort-AV: E=McAfee;i="6000,8403,9935"; a="276343006" X-IronPort-AV: E=Sophos;i="5.81,281,1610438400"; d="scan'208";a="276343006" Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by fmsmga105.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 26 Mar 2021 11:27:36 -0700 IronPort-SDR: Ajb0OvmyjbwZ6oBZZSMTh9ct36WjRHPyYCsvJCTq5qcC01QGisf+ywv2d1mHqF2tEaMat+smkG 8XT4JjWiic5Q== X-IronPort-AV: E=Sophos;i="5.81,281,1610438400"; d="scan'208";a="443456563" Received: from mjmartin-desk2.amr.corp.intel.com (HELO mjmartin-desk2.intel.com) ([10.251.24.139]) by fmsmga002-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 26 Mar 2021 11:27:36 -0700 From: Mat Martineau To: netdev@vger.kernel.org Cc: Geliang Tang , davem@davemloft.net, kuba@kernel.org, matthieu.baerts@tessares.net, mptcp@lists.linux.dev, Mat Martineau Subject: [PATCH net-next 10/13] mptcp: drop useless addr_signal clear Date: Fri, 26 Mar 2021 11:26:39 -0700 Message-Id: <20210326182642.136419-10-mathew.j.martineau@linux.intel.com> X-Mailer: git-send-email 2.31.0 In-Reply-To: <20210326182642.136419-1-mathew.j.martineau@linux.intel.com> References: <20210326182307.136256-1-mathew.j.martineau@linux.intel.com> <20210326182642.136419-1-mathew.j.martineau@linux.intel.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Geliang Tang msk->pm.addr_signal is cleared in mptcp_pm_add_addr_signal, no need to clear it in mptcp_pm_nl_add_addr_send_ack again. Drop it. Signed-off-by: Geliang Tang Signed-off-by: Mat Martineau --- net/mptcp/pm_netlink.c | 8 -------- 1 file changed, 8 deletions(-) diff --git a/net/mptcp/pm_netlink.c b/net/mptcp/pm_netlink.c index 56d479b24803..743bd23b1f78 100644 --- a/net/mptcp/pm_netlink.c +++ b/net/mptcp/pm_netlink.c @@ -538,7 +538,6 @@ static void mptcp_pm_nl_add_addr_send_ack(struct mptcp_sock *msk) subflow = list_first_entry_or_null(&msk->conn_list, typeof(*subflow), node); if (subflow) { struct sock *ssk = mptcp_subflow_tcp_sock(subflow); - u8 add_addr; spin_unlock_bh(&msk->pm.lock); pr_debug("send ack for add_addr%s%s", @@ -549,13 +548,6 @@ static void mptcp_pm_nl_add_addr_send_ack(struct mptcp_sock *msk) tcp_send_ack(ssk); release_sock(ssk); spin_lock_bh(&msk->pm.lock); - - add_addr = READ_ONCE(msk->pm.addr_signal); - if (mptcp_pm_should_add_signal_ipv6(msk)) - add_addr &= ~BIT(MPTCP_ADD_ADDR_IPV6); - if (mptcp_pm_should_add_signal_port(msk)) - add_addr &= ~BIT(MPTCP_ADD_ADDR_PORT); - WRITE_ONCE(msk->pm.addr_signal, add_addr); } }