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 A13B6FC6196 for ; Fri, 8 Nov 2019 19:06:31 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 72781222C9 for ; Fri, 8 Nov 2019 19:06:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1573239991; bh=nd/q3ClEkUlGUFvr5ZowwnzZBh+B2SqzGvQsA+ggPcI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=BSwx7hJBqjoK6ELSC4Y2ETmfOg8dpNf0zHYkjxxCZy0a82G3TaA2qOxjjx8XBwfVp ZtQ+foMChtPP7305uKTT4m7Ugfy6Od4oBRipzdihtSGAiZbPcC2jRscqVY+CF7mcC8 SJDtP9V/arV3B0koR4JDL01JBQjbruyTebZdyKIU= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2391284AbfKHTGa (ORCPT ); Fri, 8 Nov 2019 14:06:30 -0500 Received: from mail.kernel.org ([198.145.29.99]:36942 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2391270AbfKHTG3 (ORCPT ); Fri, 8 Nov 2019 14:06:29 -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 A774D21D82; Fri, 8 Nov 2019 19:06:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1573239988; bh=nd/q3ClEkUlGUFvr5ZowwnzZBh+B2SqzGvQsA+ggPcI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=uqIOBtwmrXIVSTxEsRaHBmCIuKGZShOLgl0bFig8QOuVm55ixIg/rzuwWog+lXKjb iXX343VdESpf98G7dIBdZWiLBHeaZrnBFXCkwlGiwy5pL6Wd1JYVkoPoVaaC9PwCCu 7q3NIarUnKtcq1uLclrHmvatSA7PyQHa4SYZOz6E= 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 5.3 050/140] perf c2c: Fix memory leak in build_cl_output() Date: Fri, 8 Nov 2019 19:49:38 +0100 Message-Id: <20191108174908.530988683@linuxfoundation.org> X-Mailer: git-send-email 2.24.0 In-Reply-To: <20191108174900.189064908@linuxfoundation.org> References: <20191108174900.189064908@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 e3776f5c2e01a..637e181426587 100644 --- a/tools/perf/builtin-c2c.c +++ b/tools/perf/builtin-c2c.c @@ -2627,6 +2627,7 @@ 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; @@ -2645,7 +2646,8 @@ 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; } } @@ -2668,13 +2670,15 @@ 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