From patchwork Mon Mar 27 10:22:21 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Matthieu Baerts X-Patchwork-Id: 667713 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id CC2D8C761AF for ; Mon, 27 Mar 2023 10:24:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233630AbjC0KY1 (ORCPT ); Mon, 27 Mar 2023 06:24:27 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60358 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233607AbjC0KYW (ORCPT ); Mon, 27 Mar 2023 06:24:22 -0400 Received: from mail-wm1-x329.google.com (mail-wm1-x329.google.com [IPv6:2a00:1450:4864:20::329]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id BC85C5FE8 for ; Mon, 27 Mar 2023 03:24:16 -0700 (PDT) Received: by mail-wm1-x329.google.com with SMTP id p34so4723802wms.3 for ; Mon, 27 Mar 2023 03:24:16 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=tessares.net; s=google; t=1679912655; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:from:to:cc:subject:date:message-id :reply-to; bh=SWubI3gP1geg1ucxdfNQCa8sYMENfAIXdm+9lJqXCzI=; b=PNV21uBRDJfTwQH7Vwf0vcXBpBoxXBTJH+0rwfYzLf2DVyhsztwqlQMKUzYCVTPzt0 GwrfIyClcqqJu6toj58ZI6DKgtk/jlIwjLkW8Et8J7XSmoIfG6EPsDuirfsuqpXHZRZZ nLUtvroz9DgsidvAji4iULOjN38T8wqZl15SZHCF6tllb3UmfNUsCg9k7AnAuGeH/Dsu ChWVPplrQZhhc0ChJCVn16n9lbRyFhWWJWExC1kN9ranLc+uLhdiEdsIi5Y8UtjBpNMv aSrzUE2IQ7BlqzXf2qntbF7EA4UGScCdAYk0moIv0IEku7J+6PaWKPpeAgLbdcycOox3 2/cw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; t=1679912655; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=SWubI3gP1geg1ucxdfNQCa8sYMENfAIXdm+9lJqXCzI=; b=oBNZ1z57PgH6ZJayrXG4JWNgAA0kaAX2AjU3ucNQD19K518yNa2VTkq4dN+qQN/HD0 KSbjNrPowffzsbk7NL6g9yXP6HicywAjLxzwX/7JZah3uNfhk4gB3LnbvcxZBembT6dq IXdQ+cVCyP2c5ABUO+UFkLITXk0CyVThbcfAUsq0GMVq4QDEwhC+wtQwOpEtMxaHNpcb Et+gvkEfXL1cNJ1cWCzJt403TxqxAPBL6DH8eDpCjiYDmL6PZW+3HIywyWFEqV6Voyaz IXpR4E1OxhPWwiAKn79NSLORoig04C9zL9ntoaQF0cqNKQZ39uLRmgczSvNoU/ih1U5g Dlug== X-Gm-Message-State: AO0yUKW0K7Rku5EM4coHmer8A3XUYGyc1TcGmsACqkBmlfdFnQiHu87N 4zwk7CAXJa1CJxOelrzWP5ByPw== X-Google-Smtp-Source: AK7set/LHrrHKvycuCGsFkWMFMwMXWVreY0rHRL6wPMEyq3mSsYeibttvymmsg0e1CVsEgnvh8PJ+g== X-Received: by 2002:a1c:790b:0:b0:3ed:9ed7:d676 with SMTP id l11-20020a1c790b000000b003ed9ed7d676mr8956528wme.13.1679912655025; Mon, 27 Mar 2023 03:24:15 -0700 (PDT) Received: from vdi08.nix.tessares.net (static.219.156.76.144.clients.your-server.de. [144.76.156.219]) by smtp.gmail.com with ESMTPSA id p5-20020a05600c358500b003ef6f87118dsm2220615wmq.42.2023.03.27.03.24.14 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 27 Mar 2023 03:24:14 -0700 (PDT) From: Matthieu Baerts Date: Mon, 27 Mar 2023 12:22:21 +0200 Subject: [PATCH net-next v2 1/4] mptcp: avoid unneeded address copy MIME-Version: 1.0 Message-Id: <20230324-upstream-net-next-20230324-misc-features-v2-1-fca1471efbaa@tessares.net> References: <20230324-upstream-net-next-20230324-misc-features-v2-0-fca1471efbaa@tessares.net> In-Reply-To: <20230324-upstream-net-next-20230324-misc-features-v2-0-fca1471efbaa@tessares.net> To: mptcp@lists.linux.dev, "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Shuah Khan Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, Matthieu Baerts X-Mailer: b4 0.12.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=740; i=matthieu.baerts@tessares.net; h=from:subject:message-id; bh=So4mzRtrXIJRD2ZN6IwFIBWGw9rUyByeoDq6UPFlPB8=; b=owEBbQKS/ZANAwAIAfa3gk9CaaBzAcsmYgBkIW7Nftig6dQW8wQPUwWwTL4dEEUFiMDCFXMmM AYxC3OduUOJAjMEAAEIAB0WIQToy4X3aHcFem4n93r2t4JPQmmgcwUCZCFuzQAKCRD2t4JPQmmg cyYLEACsMh05r743SrrQahmb/dASG/nnePWzNUsHtLK0EDrydcG1E9pyIvThKLhuxmJBFkdfA8o uRgJaFQhLi/mgf9J1kurqnKVo1cT76lY3cQRHufXp3+k9+DY9q0MOn4O2P93f6z/JW4beuRsguf FTWSpUW1iOJdfL21R0zDeMO7Hi7g1bqH5TRyGtrM8/k7bS962G4mcpvxDwLXSxzDITvRagbU41N czNiY+0DpnyQrFOqTnMDoKXmBKar3V9IfCgggGf0BYNMTLSs2qv+lg+EP7FS7w9VoadoZZRlt8l f664x47KJL3kLfoi3QF+V/LaezEht3+crr6CqpBmDiPrrWgFvI2IKf9WPW75kgJvDnoxZ90/a3D 0pkBBkQlcKraE6LG0tmkA+NajAVmNcaUaPM+nPyRdiR3o3WiJeKZrGwnjC1xU83CEYOKPyH+5S+ n7Mcnq4QA398Eoo0gBjfn8tn1rErk2kG//CN/U3My/TDHZdk9zUv9lCbtHWSc/nJPpvonQAPhjR xd84HucX3XqHgGcUDCiut0aX1wyzS7TElWQg/Igxh/IsXQtGzEjJjQ8mejCycN3sKJ7yLCE5gc5 24YWYVX0fqkNI0Qiu1gbMC/H98YQw3JDPiH9zz15+oK93+ygI07nhcoyOCCuOJtqzIjdSlXRMR/ SUpG0vr0HCja/ZA== X-Developer-Key: i=matthieu.baerts@tessares.net; a=openpgp; fpr=E8CB85F76877057A6E27F77AF6B7824F4269A073 Precedence: bulk List-ID: X-Mailing-List: linux-kselftest@vger.kernel.org From: Paolo Abeni In the syn_recv fallback path, the msk is unused. We can skip setting the socket address. Signed-off-by: Paolo Abeni Reviewed-by: Matthieu Baerts Signed-off-by: Matthieu Baerts --- net/mptcp/subflow.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/net/mptcp/subflow.c b/net/mptcp/subflow.c index dadaf85db720..a11f4c525e01 100644 --- a/net/mptcp/subflow.c +++ b/net/mptcp/subflow.c @@ -821,8 +821,6 @@ static struct sock *subflow_syn_recv_sock(const struct sock *sk, goto dispose_child; } - if (new_msk) - mptcp_copy_inaddrs(new_msk, child); mptcp_subflow_drop_ctx(child); goto out; }