From nobody Mon Feb 9 16:54:01 2026 Received: from outbound.st.icloud.com (p-east2-cluster1-host9-snip4-2.eps.apple.com [57.103.76.105]) (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 B071D1B425C for ; Tue, 13 Jan 2026 14:13:18 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=57.103.76.105 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768313600; cv=none; b=Pvk8kUd/xRgtPtvfd2FSwRxHJDRnd5oRXAixdBEpjJggiQU+1oKUXvjRxBFLQEOjfP7UMC2IcF4LQtfVgAL+8+81eWRCUSHRLNnyXbs5/GfWKKCTyev2uZnWl5aYST1GPikkTOhc7GSQHBljN1eOxkqlaFR7PzWpmBvLLcsueg0= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768313600; c=relaxed/simple; bh=Ic05N38IwE/4wqD5ZXjgmQwte1DpIEy/9ZTMntimdac=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=P+hTcQwjhXkDAXIFpoNw6FnTmO2x7EnZAi7HiTBjVUp6PpWEs8UA/h7mMTCLWXop/ryWpItsp3Cug5OZqL9i/ldbua/CWewpblm6x6chwBVemezIfFDUTwvad/JObzexiLf5hdST4zxgtWdTYrOpOjJenUBSgGplK2uGd7/e4ZM= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=y-koj.net; spf=pass smtp.mailfrom=y-koj.net; dkim=fail (0-bit key) header.d=y-koj.net header.i=@y-koj.net header.b=rX9j2+et reason="key not found in DNS"; arc=none smtp.client-ip=57.103.76.105 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=y-koj.net Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=y-koj.net Authentication-Results: smtp.subspace.kernel.org; dkim=fail reason="key not found in DNS" (0-bit key) header.d=y-koj.net header.i=@y-koj.net header.b="rX9j2+et" Received: from outbound.st.icloud.com (unknown [127.0.0.2]) by p00-icloudmta-asmtp-us-east-1a-100-percent-1 (Postfix) with ESMTPS id 30FD51801879; Tue, 13 Jan 2026 14:13:13 +0000 (UTC) Dkim-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=y-koj.net; s=sig1; bh=afH/Mj5H8vualGKTm+xW5vFpaHkJrNlaQy6ZQfrpBls=; h=From:To:Subject:Date:Message-ID:MIME-Version:x-icloud-hme; b=rX9j2+et4LuWX+Oyoyf7al7vaLWFCKUQvtowmCj1P+wT/EKrK0z+LfPxXspqCPfslzlwufsuOP3ZKXDJbMvRv2xiubmbh2IFKdC8JmASNlHD4AAD86dgEThH+69TNTm2Lr+RzJdqjQQAtjmV3cUKX8PvvcVXfl+Ty88EzpLTWCkNGsivQRC9qj4NzBhi6JVQDGgNaMA1NyXmS/rxm4jaqHHYR5MW1vY8Hm32+oEnLDYDydhDPqdb0VvWksHUIxbTiaLkmW2wu5+u+sUsIgfTToBCP3B5HRk2OlWodFwmOQ5cQ093ITWQqL0mp8hzDaYbrUp5TA2vgjz/Xw5BD7qWqA== mail-alias-created-date: 1719758601013 Received: from desktop.tail809fd.ts.net (unknown [17.42.251.67]) by p00-icloudmta-asmtp-us-east-1a-100-percent-1 (Postfix) with ESMTPSA id EB11118000A5; Tue, 13 Jan 2026 14:13:10 +0000 (UTC) From: Yohei Kojima To: "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Simon Horman , Shuah Khan Cc: Yohei Kojima , Andrew Lunn , Markus Elfring , netdev@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH net-next v2 2/2] selftests: net: improve error handling in passive TFO test Date: Tue, 13 Jan 2026 23:11:55 +0900 Message-ID: <24707c8133f7095c0e5a94afa69e75c3a80bf6e7.1768312014.git.yk@y-koj.net> X-Mailer: git-send-email 2.52.0 In-Reply-To: References: Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Proofpoint-ORIG-GUID: 8I63Zms5JlcKjlKZnZbK1Q8jV10IbCj3 X-Authority-Info: v=2.4 cv=TMZIilla c=1 sm=1 tr=0 ts=696652fb cx=c_apl:c_apl_out:c_pps a=YrL12D//S6tul8v/L+6tKg==:117 a=YrL12D//S6tul8v/L+6tKg==:17 a=vUbySO9Y5rIA:10 a=VkNPw1HP01LnGYTKEx00:22 a=jnl5ZKOAAAAA:8 a=ZXA9zuh9vTPPph4ZHScA:9 a=RNrZ5ZR47oNZP8zBN2PD:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMTEzMDEyMCBTYWx0ZWRfXxqO8yJsRA3IS 3FXVhX1fknG+LTCk371Hi0OBWEv8LziqqqPyOC3MzDW2eGpWZ8ZVL6t7ZwgYWDZA/sYezgddDzL 3MZOGhSpqpyRgZsy0NwivfQvDlCvzv8xCIWx0f1jGg1b3j2gskBBeUgG6cuHI6hBzLC3i9WhVat aI20RIPnDrjyOeRjOtPc5yPZfH9/MHZYObIRhU/0Q/Jtr7zaAySx6jE35XuiHBhIOSHv/0OCkbu Wii/bsUCxwKN52PkwNOu5GmH+p+BTyiOEsWL09T3Zhv++wHYY/TSf7nlqd9DbyRz/3piEPCOgYl xhnZ0jvyJbE3FO87/tM X-Proofpoint-GUID: 8I63Zms5JlcKjlKZnZbK1Q8jV10IbCj3 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.9,FMLib:17.12.100.49 definitions=2026-01-13_03,2026-01-09_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 suspectscore=0 bulkscore=0 clxscore=1030 adultscore=0 phishscore=0 mlxscore=0 malwarescore=0 mlxlogscore=999 spamscore=0 classifier=spam authscore=0 adjust=0 reason=mlx scancount=1 engine=8.22.0-2510240001 definitions=main-2601130120 X-JNJ: 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 Content-Type: text/plain; charset="utf-8" Improve the error handling in passive TFO test to check the return value from sendto(), and to fail if read() or fprintf() failed. Signed-off-by: Yohei Kojima --- tools/testing/selftests/net/tfo.c | 13 +++++++++---- 1 file changed, 9 insertions(+), 4 deletions(-) diff --git a/tools/testing/selftests/net/tfo.c b/tools/testing/selftests/ne= t/tfo.c index 8d82140f0f76..3b1ee2d3d417 100644 --- a/tools/testing/selftests/net/tfo.c +++ b/tools/testing/selftests/net/tfo.c @@ -82,8 +82,10 @@ static void run_server(void) error(1, errno, "getsockopt(SO_INCOMING_NAPI_ID)"); =20 if (read(connfd, buf, 64) < 0) - perror("read()"); - fprintf(outfile, "%d\n", opt); + error(1, errno, "read()"); + + if (fprintf(outfile, "%d\n", opt) < 0) + error(1, errno, "fprintf()"); =20 fclose(outfile); close(connfd); @@ -92,14 +94,17 @@ static void run_server(void) =20 static void run_client(void) { - int fd; + int fd, ret; char *msg =3D "Hello, world!"; =20 fd =3D socket(AF_INET6, SOCK_STREAM, 0); if (fd =3D=3D -1) error(1, errno, "socket()"); =20 - sendto(fd, msg, strlen(msg), MSG_FASTOPEN, (struct sockaddr *)&cfg_addr, = sizeof(cfg_addr)); + ret =3D sendto(fd, msg, strlen(msg), MSG_FASTOPEN, + (struct sockaddr *)&cfg_addr, sizeof(cfg_addr)); + if (ret < 0) + error(1, errno, "sendto()"); =20 close(fd); } --=20 2.52.0