From nobody Mon Sep 16 19:32:34 2024 Delivered-To: importer@patchew.org Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=virtuozzo.com ARC-Seal: i=1; a=rsa-sha256; t=1578685610; cv=none; d=zohomail.com; s=zohoarc; b=RWg4znsxhJjc5eZZ09o2NwZJyhL37iKuJKbNpRSuUXp55h1V7CukcYl+9FyQ7+aN9+Rx2vIOrFGBDW5Kv0JQmzZTFIFdaV4Dt4GsebLgwNMzwa8nH8OTYEFDwl1iU4Lw44xecy631Zivio4nhTcWajvoMd1/kZqGPJzR5MPSYRQ= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1578685610; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=8nm9Vr9O4ADsbP+wKnu+nRzo2nWcIbXJPhghTJ4AIew=; b=dRrLghwJdndKhpSN30q5AR3JPMoVgm5DM/C/CI0E4mFN0Jdp3mQnkYA5LUKsMvIbsk5z7Nfge6vV2Kz879W8sFlvGbgiuWcsMKPThECX155GhWw5JmIOdlhiWd9NMxc6kzjVuufMGQyT/M9fZzVkURzqvv4wl6zEI7oGYJjqQtc= ARC-Authentication-Results: i=1; mx.zohomail.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1578685610644320.7982177497644; Fri, 10 Jan 2020 11:46:50 -0800 (PST) Received: from localhost ([::1]:51056 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iq0F7-0007S2-3u for importer@patchew.org; Fri, 10 Jan 2020 14:46:49 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:44328) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iq0Al-0001gu-P7 for qemu-devel@nongnu.org; Fri, 10 Jan 2020 14:42:21 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1iq0Ad-0004dH-Dt for qemu-devel@nongnu.org; Fri, 10 Jan 2020 14:42:15 -0500 Received: from relay.sw.ru ([185.231.240.75]:53924) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1iq0Ad-0004Rf-3P for qemu-devel@nongnu.org; Fri, 10 Jan 2020 14:42:11 -0500 Received: from vovaso.qa.sw.ru ([10.94.3.0] helo=kvm.qa.sw.ru) by relay.sw.ru with esmtp (Exim 4.92.3) (envelope-from ) id 1iq0AW-0008Ob-7B; Fri, 10 Jan 2020 22:42:04 +0300 From: Vladimir Sementsov-Ogievskiy To: qemu-devel@nongnu.org Subject: [PATCH v6 08/11] virtio-9p: introduce ERRP_AUTO_PROPAGATE Date: Fri, 10 Jan 2020 22:41:55 +0300 Message-Id: <20200110194158.14190-9-vsementsov@virtuozzo.com> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20200110194158.14190-1-vsementsov@virtuozzo.com> References: <20200110194158.14190-1-vsementsov@virtuozzo.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x [fuzzy] X-Received-From: 185.231.240.75 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Kevin Wolf , Vladimir Sementsov-Ogievskiy , Greg Kurz Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Content-Type: text/plain; charset="utf-8" If we want to add some info to errp (by error_prepend() or error_append_hint()), we must use the ERRP_AUTO_PROPAGATE macro. Otherwise, this info will not be added when errp =3D=3D &error_fatal (the program will exit prior to the error_append_hint() or error_prepend() call). Fix such cases. If we want to check error after errp-function call, we need to introduce local_err and then propagate it to errp. Instead, use ERRP_AUTO_PROPAGATE macro, benefits are: 1. No need of explicit error_propagate call 2. No need of explicit local_err variable: use errp directly 3. ERRP_AUTO_PROPAGATE leaves errp as is if it's not NULL or &error_fatal, this means that we don't break error_abort (we'll abort on error_set, not on error_propagate) This commit is generated by command sed -n '/^virtio-9p$/,/^$/{s/^F: //p}' MAINTAINERS | \ xargs git ls-files | grep '\.[hc]$' | \ xargs spatch \ --sp-file scripts/coccinelle/auto-propagated-errp.cocci \ --macro-file scripts/cocci-macro-file.h \ --in-place --no-show-diff --max-width 80 Reported-by: Kevin Wolf Reported-by: Greg Kurz Signed-off-by: Vladimir Sementsov-Ogievskiy Acked-by: Greg Kurz --- hw/9pfs/9p-local.c | 12 +++++------- hw/9pfs/9p.c | 1 + 2 files changed, 6 insertions(+), 7 deletions(-) diff --git a/hw/9pfs/9p-local.c b/hw/9pfs/9p-local.c index ca641390fb..253814ef2c 100644 --- a/hw/9pfs/9p-local.c +++ b/hw/9pfs/9p-local.c @@ -1481,10 +1481,10 @@ static void error_append_security_model_hint(Error = *const *errp) =20 static int local_parse_opts(QemuOpts *opts, FsDriverEntry *fse, Error **er= rp) { + ERRP_AUTO_PROPAGATE(); const char *sec_model =3D qemu_opt_get(opts, "security_model"); const char *path =3D qemu_opt_get(opts, "path"); const char *multidevs =3D qemu_opt_get(opts, "multidevs"); - Error *local_err =3D NULL; =20 if (!sec_model) { error_setg(errp, "security_model property not set"); @@ -1518,11 +1518,10 @@ static int local_parse_opts(QemuOpts *opts, FsDrive= rEntry *fse, Error **errp) fse->export_flags &=3D ~V9FS_FORBID_MULTIDEVS; fse->export_flags &=3D ~V9FS_REMAP_INODES; } else { - error_setg(&local_err, "invalid multidevs property '%s'", + error_setg(errp, "invalid multidevs property '%s'", multidevs); - error_append_hint(&local_err, "Valid options are: multidevs=3D" + error_append_hint(errp, "Valid options are: multidevs=3D" "[remap|forbid|warn]\n"); - error_propagate(errp, local_err); return -1; } } @@ -1532,9 +1531,8 @@ static int local_parse_opts(QemuOpts *opts, FsDriverE= ntry *fse, Error **errp) return -1; } =20 - if (fsdev_throttle_parse_opts(opts, &fse->fst, &local_err)) { - error_propagate_prepend(errp, local_err, - "invalid throttle configuration: "); + if (fsdev_throttle_parse_opts(opts, &fse->fst, errp)) { + error_prepend(errp, "invalid throttle configuration: "); return -1; } =20 diff --git a/hw/9pfs/9p.c b/hw/9pfs/9p.c index 520177f40c..4200c3416b 100644 --- a/hw/9pfs/9p.c +++ b/hw/9pfs/9p.c @@ -3994,6 +3994,7 @@ void pdu_submit(V9fsPDU *pdu, P9MsgHeader *hdr) int v9fs_device_realize_common(V9fsState *s, const V9fsTransport *t, Error **errp) { + ERRP_AUTO_PROPAGATE(); int i, len; struct stat stat; FsDriverEntry *fse; --=20 2.21.0