From patchwork Sat Mar 24 05:14:49 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Michal Privoznik X-Patchwork-Id: 10305891 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 56B10600F6 for ; Sat, 24 Mar 2018 05:16:08 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 4ACB629286 for ; Sat, 24 Mar 2018 05:16:08 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 3F43D2928A; Sat, 24 Mar 2018 05:16:08 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id EB22E29286 for ; Sat, 24 Mar 2018 05:16:07 +0000 (UTC) Received: from localhost ([::1]:41283 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ezbXD-0006Iy-7N for patchwork-qemu-devel@patchwork.kernel.org; Sat, 24 Mar 2018 01:16:07 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:45407) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ezbWC-0005Wu-6o for qemu-devel@nongnu.org; Sat, 24 Mar 2018 01:15:06 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ezbWB-00067L-FI for qemu-devel@nongnu.org; Sat, 24 Mar 2018 01:15:04 -0400 Received: from mx3-rdu2.redhat.com ([66.187.233.73]:54468 helo=mx1.redhat.com) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1ezbW7-00061J-3I; Sat, 24 Mar 2018 01:14:59 -0400 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.rdu2.redhat.com [10.11.54.5]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id BDAE88151D49; Sat, 24 Mar 2018 05:14:58 +0000 (UTC) Received: from localhost.localdomain (ovpn-204-18.brq.redhat.com [10.40.204.18]) by smtp.corp.redhat.com (Postfix) with ESMTP id 6BC7F1DB24; Sat, 24 Mar 2018 05:14:55 +0000 (UTC) From: Michal Privoznik To: qemu-devel@nongnu.org Date: Sat, 24 Mar 2018 06:14:49 +0100 Message-Id: <6f10cd53d361a395aa0e85a9311ec4e9a8fc11e5.1521868451.git.mprivozn@redhat.com> X-Scanned-By: MIMEDefang 2.79 on 10.11.54.5 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.8]); Sat, 24 Mar 2018 05:14:58 +0000 (UTC) X-Greylist: inspected by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.8]); Sat, 24 Mar 2018 05:14:58 +0000 (UTC) for IP:'10.11.54.5' DOMAIN:'int-mx05.intmail.prod.int.rdu2.redhat.com' HELO:'smtp.corp.redhat.com' FROM:'mprivozn@redhat.com' RCPT:'' X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 66.187.233.73 Subject: [Qemu-devel] [PATCH] qemu-pr-helper: Actually allow users to specify pidfile X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: qemu-trivial@nongnu.org, pbonzini@redhat.com, famz@redhat.com, qemu-block@nongnu.org Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Virus-Scanned: ClamAV using ClamSMTP Due to wrong specification of arguments to getopt_long() any attempt to set pidfile resulted in: 1) the default to be leaked 2) the @pidfile variable to be set to NULL (because optarg is NULL without this patch). Signed-off-by: Michal Privoznik Reviewed-by: Eric Blake Reviewed-by: Eric Blake --- scsi/qemu-pr-helper.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/scsi/qemu-pr-helper.c b/scsi/qemu-pr-helper.c index 3facbba170..21e1b8ea60 100644 --- a/scsi/qemu-pr-helper.c +++ b/scsi/qemu-pr-helper.c @@ -903,12 +903,12 @@ static int drop_privileges(void) int main(int argc, char **argv) { - const char *sopt = "hVk:fdT:u:g:vq"; + const char *sopt = "hVk:f:dT:u:g:vq"; struct option lopt[] = { { "help", no_argument, NULL, 'h' }, { "version", no_argument, NULL, 'V' }, { "socket", required_argument, NULL, 'k' }, - { "pidfile", no_argument, NULL, 'f' }, + { "pidfile", required_argument, NULL, 'f' }, { "daemon", no_argument, NULL, 'd' }, { "trace", required_argument, NULL, 'T' }, { "user", required_argument, NULL, 'u' }, @@ -952,7 +952,8 @@ int main(int argc, char **argv) } break; case 'f': - pidfile = optarg; + g_free(pidfile); + pidfile = g_strdup(optarg); break; #ifdef CONFIG_LIBCAP case 'u': {