From patchwork Wed Nov 22 18:05:08 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Arseniy Krasnov X-Patchwork-Id: 13465322 X-Patchwork-Delegate: kuba@kernel.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=salutedevices.com header.i=@salutedevices.com header.b="Vf6nTi3W" Received: from mx1.sberdevices.ru (mx2.sberdevices.ru [45.89.224.132]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6AD8FF9; Wed, 22 Nov 2023 10:13:10 -0800 (PST) Received: from p-infra-ksmg-sc-msk02 (localhost [127.0.0.1]) by mx1.sberdevices.ru (Postfix) with ESMTP id 14EB112006F; Wed, 22 Nov 2023 21:13:06 +0300 (MSK) DKIM-Filter: OpenDKIM Filter v2.11.0 mx1.sberdevices.ru 14EB112006F DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=salutedevices.com; s=mail; t=1700676786; bh=vL+qQ9rhbaR3YIaKSe6iD2hKBiaKdxLdqmIkkNYOJUg=; h=From:To:Subject:Date:Message-ID:MIME-Version:Content-Type:From; b=Vf6nTi3WL903bejvUiRrGEeuSUznz0hTUBw0sovSH1vl02IKcIGaEKMSli5blwTD3 Xy5wo5LvVouc6Ys8UYtMJfAFdO0oqZStLxKg5Z8VWe+DijeLVcuR0lCu9Z8ocL3JWh X5fb71GCyMrRULAUS4xcgM06MOCQiu5GHyO0Q83Bszd5yH46TJZbIf/o4XAc81RzVi WYeYiAeiuoJxZxyXwAkUnqRdlchE5AA8DO3/M8mArCSmgmoL0gnmOjzaayywwl9ezp IL9HzBelu50cm/n32A75aVtrllt7oUT3TbilUHP7xpGzLuRrqTXaVElmTcstsiO+YT 2Uv6kDh4HpPdA== Received: from p-i-exch-sc-m01.sberdevices.ru (p-i-exch-sc-m01.sberdevices.ru [172.16.192.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.sberdevices.ru (Postfix) with ESMTPS; Wed, 22 Nov 2023 21:13:05 +0300 (MSK) Received: from localhost.localdomain (100.64.160.123) by p-i-exch-sc-m01.sberdevices.ru (172.16.192.107) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.40; Wed, 22 Nov 2023 21:13:05 +0300 From: Arseniy Krasnov To: Stefan Hajnoczi , Stefano Garzarella , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , "Michael S. Tsirkin" , Jason Wang , Bobby Eshleman CC: , , , , , , Subject: [RFC PATCH v3 1/3] vsock: update SO_RCVLOWAT setting callback Date: Wed, 22 Nov 2023 21:05:08 +0300 Message-ID: <20231122180510.2297075-2-avkrasnov@salutedevices.com> X-Mailer: git-send-email 2.35.0 In-Reply-To: <20231122180510.2297075-1-avkrasnov@salutedevices.com> References: <20231122180510.2297075-1-avkrasnov@salutedevices.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-ClientProxiedBy: p-i-exch-sc-m01.sberdevices.ru (172.16.192.107) To p-i-exch-sc-m01.sberdevices.ru (172.16.192.107) X-KSMG-Rule-ID: 10 X-KSMG-Message-Action: clean X-KSMG-AntiSpam-Lua-Profiles: 181545 [Nov 22 2023] X-KSMG-AntiSpam-Version: 6.0.0.2 X-KSMG-AntiSpam-Envelope-From: avkrasnov@salutedevices.com X-KSMG-AntiSpam-Rate: 0 X-KSMG-AntiSpam-Status: not_detected X-KSMG-AntiSpam-Method: none X-KSMG-AntiSpam-Auth: dkim=none X-KSMG-AntiSpam-Info: LuaCore: 3 0.3.3 e5c6a18a9a9bff0226d530c5b790210c0bd117c8, {Tracking_from_domain_doesnt_match_to}, salutedevices.com:7.1.1;100.64.160.123:7.1.2;p-i-exch-sc-m01.sberdevices.ru:7.1.1,5.0.1;127.0.0.199:7.1.2;d41d8cd98f00b204e9800998ecf8427e.com:7.1.1, FromAlignment: s, ApMailHostAddress: 100.64.160.123 X-MS-Exchange-Organization-SCL: -1 X-KSMG-AntiSpam-Interceptor-Info: scan successful X-KSMG-AntiPhishing: Clean X-KSMG-LinksScanning: Clean X-KSMG-AntiVirus: Kaspersky Secure Mail Gateway, version 2.0.1.6960, bases: 2023/11/22 11:24:00 #22501433 X-KSMG-AntiVirus-Status: Clean, skipped X-Patchwork-Delegate: kuba@kernel.org X-Patchwork-State: RFC Do not return if transport callback for SO_RCVLOWAT is set (only in error case). In this case we don't need to set 'sk_rcvlowat' field in each transport - only in 'vsock_set_rcvlowat()'. Signed-off-by: Arseniy Krasnov --- net/vmw_vsock/af_vsock.c | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/net/vmw_vsock/af_vsock.c b/net/vmw_vsock/af_vsock.c index 816725af281f..af0058037f72 100644 --- a/net/vmw_vsock/af_vsock.c +++ b/net/vmw_vsock/af_vsock.c @@ -2264,8 +2264,13 @@ static int vsock_set_rcvlowat(struct sock *sk, int val) transport = vsk->transport; - if (transport && transport->set_rcvlowat) - return transport->set_rcvlowat(vsk, val); + if (transport && transport->set_rcvlowat) { + int err; + + err = transport->set_rcvlowat(vsk, val); + if (err) + return err; + } WRITE_ONCE(sk->sk_rcvlowat, val ? : 1); return 0;