From mboxrd@z Thu Jan 1 00:00:00 1970 From: Arnaldo Carvalho de Melo Subject: [PATCH 30/35] perf hist: Add error path into hist_entry__init Date: Thu, 7 Mar 2019 14:44:28 -0300 Message-ID: <20190307174433.28819-31-acme@kernel.org> References: <20190307174433.28819-1-acme@kernel.org> Mime-Version: 1.0 Content-Transfer-Encoding: 8bit Return-path: In-Reply-To: <20190307174433.28819-1-acme@kernel.org> Sender: linux-kernel-owner@vger.kernel.org To: Ingo Molnar Cc: Jiri Olsa , Namhyung Kim , Clark Williams , linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, Alexander Shishkin , Andi Kleen , Jonas Rabenstein , Peter Zijlstra , Ravi Bangoria , nageswara r sastry , Arnaldo Carvalho de Melo List-Id: linux-perf-users.vger.kernel.org From: Jiri Olsa Adding error path into hist_entry__init to unify error handling, so every new member does not need to free everything else. Signed-off-by: Jiri Olsa Cc: Alexander Shishkin Cc: Andi Kleen Cc: Jonas Rabenstein Cc: Namhyung Kim Cc: Peter Zijlstra Cc: Ravi Bangoria Cc: nageswara r sastry Link: http://lkml.kernel.org/r/20190305152536.21035-3-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/util/hist.c | 39 +++++++++++++++++++-------------------- 1 file changed, 19 insertions(+), 20 deletions(-) diff --git a/tools/perf/util/hist.c b/tools/perf/util/hist.c index 669f961316f0..74e307d17c49 100644 --- a/tools/perf/util/hist.c +++ b/tools/perf/util/hist.c @@ -396,11 +396,8 @@ static int hist_entry__init(struct hist_entry *he, * adding new entries. So we need to save a copy. */ he->branch_info = malloc(sizeof(*he->branch_info)); - if (he->branch_info == NULL) { - map__zput(he->ms.map); - free(he->stat_acc); - return -ENOMEM; - } + if (he->branch_info == NULL) + goto err; memcpy(he->branch_info, template->branch_info, sizeof(*he->branch_info)); @@ -419,21 +416,8 @@ static int hist_entry__init(struct hist_entry *he, if (he->raw_data) { he->raw_data = memdup(he->raw_data, he->raw_size); - - if (he->raw_data == NULL) { - map__put(he->ms.map); - if (he->branch_info) { - map__put(he->branch_info->from.map); - map__put(he->branch_info->to.map); - free(he->branch_info); - } - if (he->mem_info) { - map__put(he->mem_info->iaddr.map); - map__put(he->mem_info->daddr.map); - } - free(he->stat_acc); - return -ENOMEM; - } + if (he->raw_data == NULL) + goto err_infos; } INIT_LIST_HEAD(&he->pairs.node); thread__get(he->thread); @@ -444,6 +428,21 @@ static int hist_entry__init(struct hist_entry *he, he->leaf = true; return 0; + +err_infos: + if (he->branch_info) { + map__put(he->branch_info->from.map); + map__put(he->branch_info->to.map); + free(he->branch_info); + } + if (he->mem_info) { + map__put(he->mem_info->iaddr.map); + map__put(he->mem_info->daddr.map); + } +err: + map__zput(he->ms.map); + free(he->stat_acc); + return -ENOMEM; } static void *hist_entry__zalloc(size_t size) -- 2.20.1