From patchwork Thu May 27 23:54:27 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mat Martineau X-Patchwork-Id: 1484942 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=lists.linux.dev (client-ip=147.75.69.165; helo=sjc.edge.kernel.org; envelope-from=mptcp+bounces-803-incoming=patchwork.ozlabs.org@lists.linux.dev; receiver=) Received: from sjc.edge.kernel.org (sjc.edge.kernel.org [147.75.69.165]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 4Frl6Y4jHPz9sXH for ; Fri, 28 May 2021 09:54:45 +1000 (AEST) Received: from smtp.subspace.kernel.org (wormhole.subspace.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by sjc.edge.kernel.org (Postfix) with ESMTPS id 0524E3E0FA0 for ; Thu, 27 May 2021 23:54:44 +0000 (UTC) Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.subspace.kernel.org (Postfix) with ESMTP id AFAA06D0F; Thu, 27 May 2021 23:54:41 +0000 (UTC) X-Original-To: mptcp@lists.linux.dev Received: from mga05.intel.com (mga05.intel.com [192.55.52.43]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 0DF2E6D10 for ; Thu, 27 May 2021 23:54:40 +0000 (UTC) IronPort-SDR: MLDHRSsWBt+TWkKle/IrkDqGqlidhitblzPy9j59oOiBWb+qrtpQ5qiQIhN/Dm8vm2EYNaEh1Q sSEQPr2fpHmg== X-IronPort-AV: E=McAfee;i="6200,9189,9997"; a="288450525" X-IronPort-AV: E=Sophos;i="5.83,228,1616482800"; d="scan'208";a="288450525" Received: from orsmga008.jf.intel.com ([10.7.209.65]) by fmsmga105.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 27 May 2021 16:54:37 -0700 IronPort-SDR: AlZk9QDHn8HCxSHqdJlfmrUESDPaIAczaqLoigWubrKT9HkdmAEH8fMTN1tIp4HiRnyAmMM47x CgWZeaTgLuMw== X-IronPort-AV: E=Sophos;i="5.83,228,1616482800"; d="scan'208";a="443774254" Received: from mjmartin-desk2.amr.corp.intel.com (HELO mjmartin-desk2.intel.com) ([10.209.84.136]) by orsmga008-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 27 May 2021 16:54:36 -0700 From: Mat Martineau To: netdev@vger.kernel.org Cc: Jianguo Wu , davem@davemloft.net, kuba@kernel.org, matthieu.baerts@tessares.net, mptcp@lists.linux.dev, Paolo Abeni , Mat Martineau Subject: [PATCH net-next 4/7] mptcp: remove redundant initialization in pm_nl_init_net() Date: Thu, 27 May 2021 16:54:27 -0700 Message-Id: <20210527235430.183465-5-mathew.j.martineau@linux.intel.com> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210527235430.183465-1-mathew.j.martineau@linux.intel.com> References: <20210527235430.183465-1-mathew.j.martineau@linux.intel.com> X-Mailing-List: mptcp@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 From: Jianguo Wu Memory of struct pm_nl_pernet{} is allocated by kzalloc() in setup_net()->ops_init(), so it's no need to reset counters and zero bitmap in pm_nl_init_net(). Acked-by: Paolo Abeni Reviewed-by: Matthieu Baerts Signed-off-by: Jianguo Wu Signed-off-by: Mat Martineau --- net/mptcp/pm_netlink.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/net/mptcp/pm_netlink.c b/net/mptcp/pm_netlink.c index 2469e06a3a9d..7dbc4f308dbe 100644 --- a/net/mptcp/pm_netlink.c +++ b/net/mptcp/pm_netlink.c @@ -1913,10 +1913,13 @@ static int __net_init pm_nl_init_net(struct net *net) struct pm_nl_pernet *pernet = net_generic(net, pm_nl_pernet_id); INIT_LIST_HEAD_RCU(&pernet->local_addr_list); - __reset_counters(pernet); pernet->next_id = 1; - bitmap_zero(pernet->id_bitmap, MAX_ADDR_ID + 1); spin_lock_init(&pernet->lock); + + /* No need to initialize other pernet fields, the struct is zeroed at + * allocation time. + */ + return 0; }