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 BEE4EECE58C for ; Fri, 11 Oct 2019 16:43:58 +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 90A802089F for ; Fri, 11 Oct 2019 16:43:58 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 90A802089F 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]:54092 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iIy1F-0008Us-7l for qemu-devel@archiver.kernel.org; Fri, 11 Oct 2019 12:43:57 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:35901) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iIxQW-0005Yh-EM for qemu-devel@nongnu.org; Fri, 11 Oct 2019 12:06:01 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1iIxQV-00041L-8J for qemu-devel@nongnu.org; Fri, 11 Oct 2019 12:06:00 -0400 Received: from relay.sw.ru ([185.231.240.75]:47786) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1iIxQV-0003zo-12 for qemu-devel@nongnu.org; Fri, 11 Oct 2019 12:05:59 -0400 Received: from [10.94.3.0] (helo=kvm.qa.sw.ru) by relay.sw.ru with esmtp (Exim 4.92.2) (envelope-from ) id 1iIxQS-0003XG-3M; Fri, 11 Oct 2019 19:05:56 +0300 From: Vladimir Sementsov-Ogievskiy To: qemu-devel@nongnu.org Subject: [RFC v5 001/126] hw/core/loader-fit: fix freeing errp in fit_load_fdt Date: Fri, 11 Oct 2019 19:03:47 +0300 Message-Id: <20191011160552.22907-2-vsementsov@virtuozzo.com> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20191011160552.22907-1-vsementsov@virtuozzo.com> References: <20191011160552.22907-1-vsementsov@virtuozzo.com> MIME-Version: 1.0 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: Aleksandar Rikalo , Paul Burton , vsementsov@virtuozzo.com, armbru@redhat.com Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" fit_load_fdt forget to check that errp is not NULL and to zero it after freeing. Fix it. Signed-off-by: Vladimir Sementsov-Ogievskiy Reviewed-by: Eric Blake --- hw/core/loader-fit.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/hw/core/loader-fit.c b/hw/core/loader-fit.c index 953b16bc82..3ee9fb2f2e 100644 --- a/hw/core/loader-fit.c +++ b/hw/core/loader-fit.c @@ -200,7 +200,10 @@ static int fit_load_fdt(const struct fit_loader *ldr, const void *itb, err = fit_image_addr(itb, img_off, "load", &load_addr, errp); if (err == -ENOENT) { load_addr = ROUND_UP(kernel_end, 64 * KiB) + (10 * MiB); - error_free(*errp); + if (errp) { + error_free(*errp); + *errp = NULL; + } } else if (err) { error_prepend(errp, "unable to read FDT load address from FIT: "); ret = err; -- 2.21.0