From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 29063 invoked by alias); 3 Jul 2013 09:14:44 -0000 Mailing-List: contact gdb-patches-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: gdb-patches-owner@sourceware.org Received: (qmail 28887 invoked by uid 89); 3 Jul 2013 09:14:44 -0000 X-Spam-SWARE-Status: No, score=-6.7 required=5.0 tests=AWL,BAYES_00,KHOP_RCVD_UNTRUST,KHOP_THREADED,RCVD_IN_HOSTKARMA_W,RCVD_IN_HOSTKARMA_WL,RP_MATCHES_RCVD autolearn=ham version=3.3.1 Received: from mga03.intel.com (HELO mga03.intel.com) (143.182.124.21) by sourceware.org (qpsmtpd/0.84/v0.84-167-ge50287c) with ESMTP; Wed, 03 Jul 2013 09:14:43 +0000 Received: from azsmga002.ch.intel.com ([10.2.17.35]) by azsmga101.ch.intel.com with ESMTP; 03 Jul 2013 02:14:41 -0700 X-ExtLoop1: 1 Received: from irvmail001.ir.intel.com ([163.33.26.43]) by AZSMGA002.ch.intel.com with ESMTP; 03 Jul 2013 02:14:40 -0700 Received: from ulslx001.iul.intel.com (ulslx001.iul.intel.com [172.28.207.63]) by irvmail001.ir.intel.com (8.14.3/8.13.6/MailSET/Hub) with ESMTP id r639EdJ3009841; Wed, 3 Jul 2013 10:14:39 +0100 Received: from ulslx001.iul.intel.com (localhost [127.0.0.1]) by ulslx001.iul.intel.com with ESMTP id r639EdgV029342; Wed, 3 Jul 2013 11:14:39 +0200 Received: (from mmetzger@localhost) by ulslx001.iul.intel.com with id r639EdL0029338; Wed, 3 Jul 2013 11:14:39 +0200 From: Markus Metzger To: jan.kratochvil@redhat.com Cc: gdb-patches@sourceware.org Subject: [patch v4 19/24] btrace, linux: fix memory leak when reading branch trace Date: Wed, 03 Jul 2013 09:14:00 -0000 Message-Id: <1372842874-28951-20-git-send-email-markus.t.metzger@intel.com> In-Reply-To: <1372842874-28951-1-git-send-email-markus.t.metzger@intel.com> References: <1372842874-28951-1-git-send-email-markus.t.metzger@intel.com> X-SW-Source: 2013-07/txt/msg00111.txt.bz2 When it takes more than one iteration to read the BTS trace, the trace from the previous iteration is leaked. Fix it. 2013-07-03 Markus Metzger * common/linux-btrace.c (linux_read_btrace): Free trace from previous iteration. --- gdb/common/linux-btrace.c | 3 +++ 1 files changed, 3 insertions(+), 0 deletions(-) diff --git a/gdb/common/linux-btrace.c b/gdb/common/linux-btrace.c index 4880f41..b30a6ec 100644 --- a/gdb/common/linux-btrace.c +++ b/gdb/common/linux-btrace.c @@ -522,6 +522,9 @@ linux_read_btrace (struct btrace_target_info *tinfo, { data_head = header->data_head; + /* Delete any leftover trace from the previous iteration. */ + VEC_truncate (btrace_block_s, btrace, 0); + /* If there's new trace, let's read it. */ if (data_head != tinfo->data_head) { -- 1.7.1