From patchwork Mon Aug 31 13:43:11 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Pan Nengyuan X-Patchwork-Id: 275153 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=-11.1 required=3.0 tests=BAYES_00, DATE_IN_FUTURE_06_12,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, 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 317ECC433E2 for ; Mon, 31 Aug 2020 07:21:31 +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 084ED206F0 for ; Mon, 31 Aug 2020 07:21:31 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 084ED206F0 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=huawei.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:48030 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kCe8A-0001uH-7I for qemu-devel@archiver.kernel.org; Mon, 31 Aug 2020 03:21:30 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:54254) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kCe4A-0002eo-H3 for qemu-devel@nongnu.org; Mon, 31 Aug 2020 03:17:22 -0400 Received: from szxga06-in.huawei.com ([45.249.212.32]:40246 helo=huawei.com) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kCe45-0005tG-Hc for qemu-devel@nongnu.org; Mon, 31 Aug 2020 03:17:22 -0400 Received: from DGGEMS405-HUB.china.huawei.com (unknown [172.30.72.59]) by Forcepoint Email with ESMTP id 9613ACA25855F5D7D6B4; Mon, 31 Aug 2020 15:17:10 +0800 (CST) Received: from opensource.huawei.com (10.175.100.152) by DGGEMS405-HUB.china.huawei.com (10.3.19.205) with Microsoft SMTP Server id 14.3.487.0; Mon, 31 Aug 2020 15:17:02 +0800 From: Pan Nengyuan To: Subject: [PATCH v2 06/10] target/i386/cpu: Fix memleak in x86_cpu_class_check_missing_features Date: Mon, 31 Aug 2020 09:43:11 -0400 Message-ID: <20200831134315.1221-7-pannengyuan@huawei.com> X-Mailer: git-send-email 2.18.2 In-Reply-To: <20200831134315.1221-1-pannengyuan@huawei.com> References: <20200831134315.1221-1-pannengyuan@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.175.100.152] X-CFilter-Loop: Reflected Received-SPF: pass client-ip=45.249.212.32; envelope-from=pannengyuan@huawei.com; helo=huawei.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/08/31 03:17:11 X-ACL-Warn: Detected OS = Linux 3.11 and newer [fuzzy] X-Spam_score_int: -22 X-Spam_score: -2.3 X-Spam_bar: -- X-Spam_report: (-2.3 / 5.0 requ) BAYES_00=-1.9, DATE_IN_FUTURE_06_12=1.947, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_MSPIKE_H4=-0.01, RCVD_IN_MSPIKE_WL=-0.01, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action 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: zhang.zhanghailiang@huawei.com, euler.robot@huawei.com, Pan Nengyuan , Eduardo Habkost , Paolo Bonzini , kuhn.chenqun@huawei.com, Richard Henderson Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" 'err' forgot to free in x86_cpu_class_check_missing_features error path. Fix that. Reported-by: Euler Robot Signed-off-by: Pan Nengyuan Reviewed-by: Li Qiang Reviewed-by: Markus Armbruster --- Cc: Paolo Bonzini Cc: Richard Henderson Cc: Eduardo Habkost --- - V2: no changes in v2. --- target/i386/cpu.c | 1 + 1 file changed, 1 insertion(+) diff --git a/target/i386/cpu.c b/target/i386/cpu.c index 588f32e136..4678aac0b4 100644 --- a/target/i386/cpu.c +++ b/target/i386/cpu.c @@ -4872,6 +4872,7 @@ static void x86_cpu_class_check_missing_features(X86CPUClass *xcc, new->value = g_strdup("type"); *next = new; next = &new->next; + error_free(err); } x86_cpu_filter_features(xc, false);