From nobody Wed Nov 19 20:03:22 2025 Delivered-To: importer@patchew.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 Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1702472754381128.51082959805717; Wed, 13 Dec 2023 05:05:54 -0800 (PST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1rDOtg-0001kz-PL; Wed, 13 Dec 2023 08:03:34 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1rDOsA-0008LD-MN; Wed, 13 Dec 2023 08:01:59 -0500 Received: from isrv.corpit.ru ([86.62.121.231]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1rDOs8-00076O-Pl; Wed, 13 Dec 2023 08:01:58 -0500 Received: from tsrv.corpit.ru (tsrv.tls.msk.ru [192.168.177.2]) by isrv.corpit.ru (Postfix) with ESMTP id B2C503B445; Wed, 13 Dec 2023 16:01:05 +0300 (MSK) Received: from tls.msk.ru (mjt.wg.tls.msk.ru [192.168.177.130]) by tsrv.corpit.ru (Postfix) with SMTP id 564533C8D6; Wed, 13 Dec 2023 16:00:46 +0300 (MSK) Received: (nullmailer pid 1024769 invoked by uid 1000); Wed, 13 Dec 2023 13:00:46 -0000 From: Michael Tokarev To: qemu-devel@nongnu.org Cc: qemu-stable@nongnu.org, =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Ani Sinha , "Michael S . Tsirkin" , Michael Tokarev Subject: [Stable-7.2.8 18/24] hw/acpi/erst: Do not ignore Error* in realize handler Date: Wed, 13 Dec 2023 16:00:27 +0300 Message-Id: <20231213130041.1024630-18-mjt@tls.msk.ru> X-Mailer: git-send-email 2.39.2 In-Reply-To: References: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable 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; Received-SPF: pass client-ip=86.62.121.231; envelope-from=mjt@tls.msk.ru; helo=isrv.corpit.ru X-Spam_score_int: -68 X-Spam_score: -6.9 X-Spam_bar: ------ X-Spam_report: (-6.9 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_HI=-5, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZM-MESSAGEID: 1702472755809100003 From: Philippe Mathieu-Daud=C3=A9 erst_realizefn() passes @errp to functions without checking for failure. If it runs into another failure, it trips error_setv()'s assertion. Use the ERRP_GUARD() macro and check *errp, as suggested in commit ae7c80a7bd ("error: New macro ERRP_GUARD()"). Cc: qemu-stable@nongnu.org Fixes: f7e26ffa59 ("ACPI ERST: support for ACPI ERST feature") Signed-off-by: Philippe Mathieu-Daud=C3=A9 Message-Id: <20231120130017.81286-1-philmd@linaro.org> Reviewed-by: Ani Sinha Reviewed-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin (cherry picked from commit 20bc50137f3add52eb4788b420d717de27fed14b) Signed-off-by: Michael Tokarev diff --git a/hw/acpi/erst.c b/hw/acpi/erst.c index aefcc03ad6..2e057b1800 100644 --- a/hw/acpi/erst.c +++ b/hw/acpi/erst.c @@ -947,6 +947,7 @@ static const VMStateDescription erst_vmstate =3D { =20 static void erst_realizefn(PCIDevice *pci_dev, Error **errp) { + ERRP_GUARD(); ERSTDeviceState *s =3D ACPIERST(pci_dev); =20 trace_acpi_erst_realizefn_in(); @@ -964,9 +965,15 @@ static void erst_realizefn(PCIDevice *pci_dev, Error *= *errp) =20 /* HostMemoryBackend size will be multiple of PAGE_SIZE */ s->storage_size =3D object_property_get_int(OBJECT(s->hostmem), "size"= , errp); + if (*errp) { + return; + } =20 /* Initialize backend storage and record_count */ check_erst_backend_storage(s, errp); + if (*errp) { + return; + } =20 /* BAR 0: Programming registers */ memory_region_init_io(&s->iomem_mr, OBJECT(pci_dev), &erst_reg_ops, s, @@ -977,6 +984,9 @@ static void erst_realizefn(PCIDevice *pci_dev, Error **= errp) memory_region_init_ram(&s->exchange_mr, OBJECT(pci_dev), "erst.exchange", le32_to_cpu(s->header->record_size), errp); + if (*errp) { + return; + } pci_register_bar(pci_dev, 1, PCI_BASE_ADDRESS_SPACE_MEMORY, &s->exchange_mr); =20 --=20 2.39.2