From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751933AbdFHHbm (ORCPT ); Thu, 8 Jun 2017 03:31:42 -0400 Received: from LGEAMRELO12.lge.com ([156.147.23.52]:43997 "EHLO lgeamrelo12.lge.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751875AbdFHHbk (ORCPT ); Thu, 8 Jun 2017 03:31:40 -0400 X-Original-SENDERIP: 156.147.1.151 X-Original-MAILFROM: namhyung@kernel.org X-Original-SENDERIP: 10.177.227.17 X-Original-MAILFROM: namhyung@kernel.org From: Namhyung Kim To: Arnaldo Carvalho de Melo Cc: Ingo Molnar , Peter Zijlstra , Jiri Olsa , LKML , kernel-team@lge.com, David Ahern , Adrian Hunter , Wang Nan Subject: [PATCH v4 6/9] perf tools: Consolidate error path in __open_dso() Date: Thu, 8 Jun 2017 16:31:06 +0900 Message-Id: <20170608073109.30699-7-namhyung@kernel.org> X-Mailer: git-send-email 2.13.1 In-Reply-To: <20170608073109.30699-1-namhyung@kernel.org> References: <20170608073109.30699-1-namhyung@kernel.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On failure, it should free the 'name', so clean up the error path using goto. Signed-off-by: Namhyung Kim --- tools/perf/util/dso.c | 19 ++++++++----------- 1 file changed, 8 insertions(+), 11 deletions(-) diff --git a/tools/perf/util/dso.c b/tools/perf/util/dso.c index c63525d845c5..4e7ab611377a 100644 --- a/tools/perf/util/dso.c +++ b/tools/perf/util/dso.c @@ -454,7 +454,7 @@ static int do_open(char *name) static int __open_dso(struct dso *dso, struct machine *machine) { - int fd; + int fd = -EINVAL; char *root_dir = (char *)""; char *name = malloc(PATH_MAX); @@ -465,23 +465,19 @@ static int __open_dso(struct dso *dso, struct machine *machine) root_dir = machine->root_dir; if (dso__read_binary_type_filename(dso, dso->binary_type, - root_dir, name, PATH_MAX)) { - free(name); - return -EINVAL; - } + root_dir, name, PATH_MAX)) + goto out; - if (!is_regular_file(name)) { - free(name); - return -EINVAL; - } + if (!is_regular_file(name)) + goto out; if (dso__needs_decompress(dso)) { char newpath[KMOD_DECOMP_LEN]; size_t len = sizeof(newpath); if (dso__decompress_kmodule_path(dso, name, newpath, len) < 0) { - free(name); - return -dso->load_errno; + fd = -dso->load_errno; + goto out; } strcpy(name, newpath); @@ -492,6 +488,7 @@ static int __open_dso(struct dso *dso, struct machine *machine) if (dso__needs_decompress(dso)) unlink(name); +out: free(name); return fd; } -- 2.13.1