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=-9.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, 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 53514C3F2CD for ; Fri, 6 Mar 2020 05:18:07 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 2C4742072A for ; Fri, 6 Mar 2020 05:18:07 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 2C4742072A Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=virtuozzo.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:59614 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jA5N8-0003y0-Bo for qemu-devel@archiver.kernel.org; Fri, 06 Mar 2020 00:18:06 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:51382) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jA5Ks-000862-UR for qemu-devel@nongnu.org; Fri, 06 Mar 2020 00:15:48 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1jA5Kr-0000D4-Ob for qemu-devel@nongnu.org; Fri, 06 Mar 2020 00:15:46 -0500 Received: from relay.sw.ru ([185.231.240.75]:33966) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1jA5Kr-00007Y-Gh; Fri, 06 Mar 2020 00:15:45 -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 1jA5Kn-0001tg-3I; Fri, 06 Mar 2020 08:15:41 +0300 From: Vladimir Sementsov-Ogievskiy To: qemu-devel@nongnu.org Subject: [PATCH v8 05/10] pflash: introduce ERRP_AUTO_PROPAGATE Date: Fri, 6 Mar 2020 08:15:31 +0300 Message-Id: <20200306051536.27803-6-vsementsov@virtuozzo.com> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20200306051536.27803-1-vsementsov@virtuozzo.com> References: <20200306051536.27803-1-vsementsov@virtuozzo.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 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 , vsementsov@virtuozzo.com, qemu-block@nongnu.org, armbru@redhat.com, Max Reitz , Greg Kurz , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" 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 == &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 '/^Parallel NOR Flash devices$/,/^$/{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 Reviewed-by: Philippe Mathieu-Daudé --- hw/block/pflash_cfi01.c | 7 +++---- hw/block/pflash_cfi02.c | 7 +++---- 2 files changed, 6 insertions(+), 8 deletions(-) diff --git a/hw/block/pflash_cfi01.c b/hw/block/pflash_cfi01.c index 24f3bce7ef..a5755e6119 100644 --- a/hw/block/pflash_cfi01.c +++ b/hw/block/pflash_cfi01.c @@ -700,12 +700,12 @@ static const MemoryRegionOps pflash_cfi01_ops = { static void pflash_cfi01_realize(DeviceState *dev, Error **errp) { + ERRP_AUTO_PROPAGATE(); PFlashCFI01 *pfl = PFLASH_CFI01(dev); uint64_t total_len; int ret; uint64_t blocks_per_device, sector_len_per_device, device_len; int num_devices; - Error *local_err = NULL; if (pfl->sector_len == 0) { error_setg(errp, "attribute \"sector-length\" not specified or zero."); @@ -739,9 +739,8 @@ static void pflash_cfi01_realize(DeviceState *dev, Error **errp) &pfl->mem, OBJECT(dev), &pflash_cfi01_ops, pfl, - pfl->name, total_len, &local_err); - if (local_err) { - error_propagate(errp, local_err); + pfl->name, total_len, errp); + if (*errp) { return; } diff --git a/hw/block/pflash_cfi02.c b/hw/block/pflash_cfi02.c index 12f18d401a..3da9f56391 100644 --- a/hw/block/pflash_cfi02.c +++ b/hw/block/pflash_cfi02.c @@ -718,9 +718,9 @@ static const MemoryRegionOps pflash_cfi02_ops = { static void pflash_cfi02_realize(DeviceState *dev, Error **errp) { + ERRP_AUTO_PROPAGATE(); PFlashCFI02 *pfl = PFLASH_CFI02(dev); int ret; - Error *local_err = NULL; if (pfl->uniform_sector_len == 0 && pfl->sector_len[0] == 0) { error_setg(errp, "attribute \"sector-length\" not specified or zero."); @@ -786,9 +786,8 @@ static void pflash_cfi02_realize(DeviceState *dev, Error **errp) memory_region_init_rom_device(&pfl->orig_mem, OBJECT(pfl), &pflash_cfi02_ops, pfl, pfl->name, - pfl->chip_len, &local_err); - if (local_err) { - error_propagate(errp, local_err); + pfl->chip_len, errp); + if (*errp) { return; } -- 2.21.0