From patchwork Tue Mar 8 08:24:35 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Fam Zheng X-Patchwork-Id: 8530711 Return-Path: X-Original-To: patchwork-qemu-devel@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 240229F46A for ; Tue, 8 Mar 2016 08:26:50 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 94813200CF for ; Tue, 8 Mar 2016 08:26:49 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id F1FCA200BE for ; Tue, 8 Mar 2016 08:26:48 +0000 (UTC) Received: from localhost ([::1]:33012 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1adCye-0003v2-9d for patchwork-qemu-devel@patchwork.kernel.org; Tue, 08 Mar 2016 03:26:48 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:39888) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1adCww-0001Gj-Dp for qemu-devel@nongnu.org; Tue, 08 Mar 2016 03:25:03 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1adCwv-0007fQ-IN for qemu-devel@nongnu.org; Tue, 08 Mar 2016 03:25:02 -0500 Received: from mx1.redhat.com ([209.132.183.28]:50055) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1adCwq-0007ef-EG; Tue, 08 Mar 2016 03:24:56 -0500 Received: from int-mx13.intmail.prod.int.phx2.redhat.com (int-mx13.intmail.prod.int.phx2.redhat.com [10.5.11.26]) by mx1.redhat.com (Postfix) with ESMTPS id 1EAEEA14C8; Tue, 8 Mar 2016 08:24:56 +0000 (UTC) Received: from fam-t430.nay.redhat.com ([10.66.14.255]) by int-mx13.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u288ObSW031749; Tue, 8 Mar 2016 03:24:51 -0500 From: Fam Zheng To: qemu-devel@nongnu.org Date: Tue, 8 Mar 2016 16:24:35 +0800 Message-Id: <1457425476-32547-3-git-send-email-famz@redhat.com> In-Reply-To: <1457425476-32547-1-git-send-email-famz@redhat.com> References: <1457425476-32547-1-git-send-email-famz@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.26 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x X-Received-From: 209.132.183.28 Cc: Kevin Wolf , pbonzini@redhat.com, Fam Zheng , peterx@redhat.com, qemu-block@nongnu.org Subject: [Qemu-devel] [PATCH v2 2/3] vmdk: Switch to heap arrays for vmdk_read_cid X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Signed-off-by: Fam Zheng --- block/vmdk.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/block/vmdk.c b/block/vmdk.c index 1ec2452..c68f456 100644 --- a/block/vmdk.c +++ b/block/vmdk.c @@ -242,15 +242,17 @@ static void vmdk_free_last_extent(BlockDriverState *bs) static uint32_t vmdk_read_cid(BlockDriverState *bs, int parent) { - char desc[DESC_SIZE]; + char *desc; uint32_t cid = 0xffffffff; const char *p_name, *cid_str; size_t cid_str_size; BDRVVmdkState *s = bs->opaque; int ret; + desc = g_malloc0(DESC_SIZE); ret = bdrv_pread(bs->file->bs, s->desc_offset, desc, DESC_SIZE); if (ret < 0) { + g_free(desc); return 0; } @@ -269,6 +271,7 @@ static uint32_t vmdk_read_cid(BlockDriverState *bs, int parent) sscanf(p_name, "%" SCNx32, &cid); } + g_free(desc); return cid; }