From mboxrd@z Thu Jan 1 00:00:00 1970 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=-6.9 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY, 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 7CCC7CA90AF for ; Wed, 13 May 2020 09:52:54 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 486A1206D6 for ; Wed, 13 May 2020 09:52:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1589363574; bh=ItZozESPkp2bU8elmQVE2Ece654ClBx1/udtUPGZTdw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=NZM88JoiULxlbS71L3NgANlFSk1qlUE+TLeuH/IDzzZXCqNN3aeJV9ERrs4bWbz+/ R1Bl9LpmkyGHLo6gLkbgTII0CCz1QyqB5D9d2mOAJgvBL/QvWQ/K/EVgPMQ51z5mI8 6VRZj1pFqcCGoHdGTTj4FoLntOO9LH9LhtuHjmsM= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2387858AbgEMJwx (ORCPT ); Wed, 13 May 2020 05:52:53 -0400 Received: from mail.kernel.org ([198.145.29.99]:54458 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2387843AbgEMJwu (ORCPT ); Wed, 13 May 2020 05:52:50 -0400 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id B8625206D6; Wed, 13 May 2020 09:52:49 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1589363570; bh=ItZozESPkp2bU8elmQVE2Ece654ClBx1/udtUPGZTdw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=115V9sNNr9cSWrUbrsXuNl3eFoNArW1+44ElpVYWsfLo0gxe1kgHv8LPSY+FKsYxP yDM+wF6AmT/kBemVtp6YRsf9XgcyUE0fAdruCCxl0Rsl+c6QOgC2+aXi0EDdYriLAF TpPSupvs6bnr6g3NJktUdITnVhZXM/hJrvtXN03E= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Eric Dumazet , Soheil Hassas Yeganeh , Arjun Roy , "David S. Miller" Subject: [PATCH 5.6 038/118] selftests: net: tcp_mmap: fix SO_RCVLOWAT setting Date: Wed, 13 May 2020 11:44:17 +0200 Message-Id: <20200513094420.731187269@linuxfoundation.org> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200513094417.618129545@linuxfoundation.org> References: <20200513094417.618129545@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Eric Dumazet [ Upstream commit a84724178bd7081cf3bd5b558616dd6a9a4ca63b ] Since chunk_size is no longer an integer, we can not use it directly as an argument of setsockopt(). This patch should fix tcp_mmap for Big Endian kernels. Fixes: 597b01edafac ("selftests: net: avoid ptl lock contention in tcp_mmap") Signed-off-by: Eric Dumazet Cc: Soheil Hassas Yeganeh Cc: Arjun Roy Acked-by: Soheil Hassas Yeganeh Signed-off-by: David S. Miller Signed-off-by: Greg Kroah-Hartman --- tools/testing/selftests/net/tcp_mmap.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) --- a/tools/testing/selftests/net/tcp_mmap.c +++ b/tools/testing/selftests/net/tcp_mmap.c @@ -282,12 +282,14 @@ static void setup_sockaddr(int domain, c static void do_accept(int fdlisten) { pthread_attr_t attr; + int rcvlowat; pthread_attr_init(&attr); pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED); + rcvlowat = chunk_size; if (setsockopt(fdlisten, SOL_SOCKET, SO_RCVLOWAT, - &chunk_size, sizeof(chunk_size)) == -1) { + &rcvlowat, sizeof(rcvlowat)) == -1) { perror("setsockopt SO_RCVLOWAT"); }