From nobody Sun Dec 28 22:59:38 2025 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 9D330C4167B for ; Mon, 4 Dec 2023 08:06:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1343648AbjLDIGW (ORCPT ); Mon, 4 Dec 2023 03:06:22 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42522 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234688AbjLDIGT (ORCPT ); Mon, 4 Dec 2023 03:06:19 -0500 Received: from cmccmta2.chinamobile.com (cmccmta4.chinamobile.com [111.22.67.137]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 7362510C; Mon, 4 Dec 2023 00:06:08 -0800 (PST) X-RM-TagInfo: emlType=0 X-RM-SPAM-FLAG: 00000000 Received: from spf.mail.chinamobile.com (unknown[10.188.0.87]) by rmmx-syy-dmz-app08-12008 (RichMail) with SMTP id 2ee8656d8867851-c7851; Mon, 04 Dec 2023 16:06:00 +0800 (CST) X-RM-TRANSID: 2ee8656d8867851-c7851 X-RM-TagInfo: emlType=0 X-RM-SPAM-FLAG: 00000000 Received: from localhost.localdomain.localdomain (unknown[10.54.5.252]) by rmsmtp-syy-appsvr02-12002 (RichMail) with SMTP id 2ee2656d8862379-275e9; Mon, 04 Dec 2023 16:05:59 +0800 (CST) X-RM-TRANSID: 2ee2656d8862379-275e9 From: liujing To: shuah@kernel.org Cc: akpm@linux-foundation.org, adobriyan@gmail.com, linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, liujing Subject: [PATCH] Fixed an open function not judging the return value and closed the open function Date: Mon, 4 Dec 2023 03:05:54 -0500 Message-Id: <20231204080554.2424-1-liujing@cmss.chinamobile.com> X-Mailer: git-send-email 2.18.2 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Signed-off-by: liujing --- tools/testing/selftests/proc/proc-pid-vm.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/tools/testing/selftests/proc/proc-pid-vm.c b/tools/testing/sel= ftests/proc/proc-pid-vm.c index cacbd2a4aec9..5fc9b46f236f 100644 --- a/tools/testing/selftests/proc/proc-pid-vm.c +++ b/tools/testing/selftests/proc/proc-pid-vm.c @@ -205,7 +205,12 @@ static int make_exe(const uint8_t *payload, size_t len) /* Avoid ETXTBSY on exec. */ snprintf(buf, sizeof(buf), "/proc/self/fd/%u", fd); fd1 =3D open(buf, O_RDONLY|O_CLOEXEC); + if (fd =3D=3D -1) { + exit(1); + } + close(fd); + close(fd1); =20 return fd1; } --=20 2.18.2