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=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable 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 A50B5FA372C for ; Fri, 8 Nov 2019 19:01:13 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 786112178F for ; Fri, 8 Nov 2019 19:01:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1573239673; bh=1fs3qqd4O57VF5HWpCFLDPCsDsLjL3x6D7m8D8Cgxq0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=oo4tZ6M4YkDZgHRbIWk36F05Vdu+YRF3zTG1BDEFrICC6gs5GoQwo827i8aeVzUx6 e01Hg8xFKXizHuWHW0fEX16qt/WC72R5N2ZF/nOpvKM/pK64IQ06EYWud6yljf64kM 3zalhntKn3ZaIJZEqg168SGI1XwAokh8GDCiz/ug= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726587AbfKHTBM (ORCPT ); Fri, 8 Nov 2019 14:01:12 -0500 Received: from mail.kernel.org ([198.145.29.99]:58448 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2390095AbfKHTBI (ORCPT ); Fri, 8 Nov 2019 14:01:08 -0500 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 6B5AA21D7F; Fri, 8 Nov 2019 19:01:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1573239667; bh=1fs3qqd4O57VF5HWpCFLDPCsDsLjL3x6D7m8D8Cgxq0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=r4H+sdGftpzkhX0yK8QUEJd7qdhTjl3b2ulyr1Yf59fjaGdNSK4RoS6liqxacDbho jCSuYoYGjyHmNNUFYvkhKiN4RDZXiYrZIEdkWlFDefLR6NKXE6p9sHlpJ1IvSIuK70 N3A39xGf8qR0Lz0Hmi8mw6dGuW8AMyld1FWXOSC4= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Yunfeng Ye , Jiri Olsa , Alexander Shishkin , Feilong Lin , Hu Shiyuan , Mark Rutland , Namhyung Kim , Peter Zijlstra , Arnaldo Carvalho de Melo , Sasha Levin Subject: [PATCH 4.19 20/79] perf c2c: Fix memory leak in build_cl_output() Date: Fri, 8 Nov 2019 19:50:00 +0100 Message-Id: <20191108174755.773287961@linuxfoundation.org> X-Mailer: git-send-email 2.24.0 In-Reply-To: <20191108174745.495640141@linuxfoundation.org> References: <20191108174745.495640141@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Yunfeng Ye [ Upstream commit ae199c580da1754a2b051321eeb76d6dacd8707b ] There is a memory leak problem in the failure paths of build_cl_output(), so fix it. Signed-off-by: Yunfeng Ye Acked-by: Jiri Olsa Cc: Alexander Shishkin Cc: Feilong Lin Cc: Hu Shiyuan Cc: Mark Rutland Cc: Namhyung Kim Cc: Peter Zijlstra Link: http://lore.kernel.org/lkml/4d3c0178-5482-c313-98e1-f82090d2d456@huawei.com Signed-off-by: Arnaldo Carvalho de Melo Signed-off-by: Sasha Levin --- tools/perf/builtin-c2c.c | 14 +++++++++----- 1 file changed, 9 insertions(+), 5 deletions(-) diff --git a/tools/perf/builtin-c2c.c b/tools/perf/builtin-c2c.c index 763c2edf52e7d..1452e5153c604 100644 --- a/tools/perf/builtin-c2c.c +++ b/tools/perf/builtin-c2c.c @@ -2626,6 +2626,7 @@ static int build_cl_output(char *cl_sort, bool no_source) bool add_sym = false; bool add_dso = false; bool add_src = false; + int ret = 0; if (!buf) return -ENOMEM; @@ -2644,7 +2645,8 @@ static int build_cl_output(char *cl_sort, bool no_source) add_dso = true; } else if (strcmp(tok, "offset")) { pr_err("unrecognized sort token: %s\n", tok); - return -EINVAL; + ret = -EINVAL; + goto err; } } @@ -2667,13 +2669,15 @@ static int build_cl_output(char *cl_sort, bool no_source) add_sym ? "symbol," : "", add_dso ? "dso," : "", add_src ? "cl_srcline," : "", - "node") < 0) - return -ENOMEM; + "node") < 0) { + ret = -ENOMEM; + goto err; + } c2c.show_src = add_src; - +err: free(buf); - return 0; + return ret; } static int setup_coalesce(const char *coalesce, bool no_source) -- 2.20.1