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=-6.9 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS 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 4D5D5C43603 for ; Wed, 4 Dec 2019 10:34:14 +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 1748E20661 for ; Wed, 4 Dec 2019 10:34:14 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="FPNoEvEI" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 1748E20661 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:36586 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1icRz2-0003b7-7X for qemu-devel@archiver.kernel.org; Wed, 04 Dec 2019 05:34:12 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:38640) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1icR5T-0007DC-NM for qemu-devel@nongnu.org; Wed, 04 Dec 2019 04:36:51 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1icR5I-0000MB-Hk for qemu-devel@nongnu.org; Wed, 04 Dec 2019 04:36:38 -0500 Received: from us-smtp-1.mimecast.com ([205.139.110.61]:56174 helo=us-smtp-delivery-1.mimecast.com) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1icR5H-0008RY-8E for qemu-devel@nongnu.org; Wed, 04 Dec 2019 04:36:36 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1575452190; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=qt7qBgRXYhoBRK/lPeVpvCp1AuGz4zh1UbVQfAOPcQ0=; b=FPNoEvEINRbcugiawStgrMnyaTfM642xzzc03DtKq4JfIP38pEI7w8c3IxNdfXs7CYyQhS KdHQMw9uQxisoY9gcTDOwKDJZSCV5tDsl3K7HJlHL2yb3Mi1ufFFfw28IQVaigkxrk+oCo G2MMAddOib/w0jHpusIt/6C2+Rcs0XM= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-298-x70HgSxxMCC-9t5ZNuCpoA-1; Wed, 04 Dec 2019 04:36:29 -0500 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.phx2.redhat.com [10.5.11.15]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id A367B100550E for ; Wed, 4 Dec 2019 09:36:28 +0000 (UTC) Received: from blackfin.pond.sub.org (ovpn-116-134.ams2.redhat.com [10.36.116.134]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 73A2A5D6B7 for ; Wed, 4 Dec 2019 09:36:28 +0000 (UTC) Received: by blackfin.pond.sub.org (Postfix, from userid 1000) id 98B5311366DF; Wed, 4 Dec 2019 10:36:25 +0100 (CET) From: Markus Armbruster To: qemu-devel@nongnu.org Subject: [PATCH v2 07/18] hw/core: Fix fit_load_fdt() error handling violations Date: Wed, 4 Dec 2019 10:36:14 +0100 Message-Id: <20191204093625.14836-8-armbru@redhat.com> In-Reply-To: <20191204093625.14836-1-armbru@redhat.com> References: <20191204093625.14836-1-armbru@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.15 X-MC-Unique: x70HgSxxMCC-9t5ZNuCpoA-1 X-Mimecast-Spam-Score: 0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 205.139.110.61 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: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" fit_load_fdt() passes @errp to fit_image_addr(), then recovers from ENOENT failures. Passing @errp is wrong, because it works only as long as @errp is neither @error_fatal nor @error_abort. Messed up in commit 3eb99edb48 "loader-fit: Wean off error_printf()". No caller actually passes such values. Fix anyway: splice in a local Error *err, and error_propagate(). Signed-off-by: Markus Armbruster --- hw/core/loader-fit.c | 15 ++++++++------- 1 file changed, 8 insertions(+), 7 deletions(-) diff --git a/hw/core/loader-fit.c b/hw/core/loader-fit.c index 953b16bc82..c465921b8f 100644 --- a/hw/core/loader-fit.c +++ b/hw/core/loader-fit.c @@ -178,11 +178,12 @@ static int fit_load_fdt(const struct fit_loader *ldr,= const void *itb, int cfg, void *opaque, const void *match_data, hwaddr kernel_end, Error **errp) { + Error *err =3D NULL; const char *name; const void *data; const void *load_data; hwaddr load_addr; - int img_off, err; + int img_off; size_t sz; int ret; =20 @@ -197,13 +198,13 @@ static int fit_load_fdt(const struct fit_loader *ldr,= const void *itb, return -EINVAL; } =20 - err =3D fit_image_addr(itb, img_off, "load", &load_addr, errp); - if (err =3D=3D -ENOENT) { + ret =3D fit_image_addr(itb, img_off, "load", &load_addr, &err); + if (ret =3D=3D -ENOENT) { load_addr =3D ROUND_UP(kernel_end, 64 * KiB) + (10 * MiB); - error_free(*errp); - } else if (err) { - error_prepend(errp, "unable to read FDT load address from FIT: "); - ret =3D err; + error_free(err); + } else if (ret) { + error_propagate_prepend(errp, err, + "unable to read FDT load address from FIT:= "); goto out; } =20 --=20 2.21.0