From: Arnaldo Carvalho de Melo <acme@kernel.org>
To: Ian Rogers <irogers@google.com>
Cc: Peter Zijlstra <peterz@infradead.org>,
Ingo Molnar <mingo@redhat.com>,
Mark Rutland <mark.rutland@arm.com>,
Alexander Shishkin <alexander.shishkin@linux.intel.com>,
Jiri Olsa <jolsa@redhat.com>, Namhyung Kim <namhyung@kernel.org>,
Alexei Starovoitov <ast@kernel.org>,
Daniel Borkmann <daniel@iogearbox.net>,
Martin KaFai Lau <kafai@fb.com>, Song Liu <songliubraving@fb.com>,
Yonghong Song <yhs@fb.com>, Andrii Nakryiko <andriin@fb.com>,
John Fastabend <john.fastabend@gmail.com>,
KP Singh <kpsingh@chromium.org>, Kajol Jain <kjain@linux.ibm.com>,
Andi Kleen <ak@linux.intel.com>,
John Garry <john.garry@huawei.com>,
Jin Yao <yao.jin@linux.intel.com>,
Kan Liang <kan.liang@linux.intel.com>,
Cong Wang <xiyou.wangcong@gmail.com>,
Kim Phillips <kim.phillips@amd.com>,
linux-kernel@vger.kernel.org, netdev@vger.kernel.org,
bpf@vger.kernel.org, linux-perf-users@vger.kernel.org,
Vince Weaver <vincent.weaver@maine.edu>,
Stephane Eranian <eranian@google.com>
Subject: Re: [RFC PATCH v3 09/14] perf metricgroup: free metric_events on error
Date: Thu, 21 May 2020 14:07:04 -0300 [thread overview]
Message-ID: <20200521170704.GC14034@kernel.org> (raw)
In-Reply-To: <20200508053629.210324-10-irogers@google.com>
Em Thu, May 07, 2020 at 10:36:24PM -0700, Ian Rogers escreveu:
> Avoid a simple memory leak.
Thanks, applied.
- Arnaldo
> Signed-off-by: Ian Rogers <irogers@google.com>
> ---
> tools/perf/util/metricgroup.c | 3 +++
> 1 file changed, 3 insertions(+)
>
> diff --git a/tools/perf/util/metricgroup.c b/tools/perf/util/metricgroup.c
> index 4f7e36bc49d9..7e1725d61c39 100644
> --- a/tools/perf/util/metricgroup.c
> +++ b/tools/perf/util/metricgroup.c
> @@ -186,6 +186,7 @@ static int metricgroup__setup_events(struct list_head *groups,
> if (!evsel) {
> pr_debug("Cannot resolve %s: %s\n",
> eg->metric_name, eg->metric_expr);
> + free(metric_events);
> continue;
> }
> for (i = 0; metric_events[i]; i++)
> @@ -193,11 +194,13 @@ static int metricgroup__setup_events(struct list_head *groups,
> me = metricgroup__lookup(metric_events_list, evsel, true);
> if (!me) {
> ret = -ENOMEM;
> + free(metric_events);
> break;
> }
> expr = malloc(sizeof(struct metric_expr));
> if (!expr) {
> ret = -ENOMEM;
> + free(metric_events);
> break;
> }
> expr->metric_expr = eg->metric_expr;
> --
> 2.26.2.645.ge9eca65c58-goog
>
--
- Arnaldo
next prev parent reply other threads:[~2020-05-21 17:07 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-08 5:36 [RFC PATCH v3 00/14] Share events between metrics Ian Rogers
2020-05-08 5:36 ` [RFC PATCH v3 01/14] perf parse-events: expand add PMU error/verbose messages Ian Rogers
2020-05-09 0:14 ` Andi Kleen
2020-05-08 5:36 ` [RFC PATCH v3 02/14] perf test: improve pmu event metric testing Ian Rogers
2020-05-08 5:36 ` [RFC PATCH v3 03/14] lib/bpf hashmap: increase portability Ian Rogers
2020-05-08 5:36 ` [RFC PATCH v3 04/14] libbpf: Fix memory leak and possible double-free in hashmap__clear Ian Rogers
2020-05-08 5:36 ` [RFC PATCH v3 05/14] perf expr: fix memory leaks in bison Ian Rogers
2020-05-08 5:36 ` [RFC PATCH v3 06/14] perf evsel: fix 2 memory leaks Ian Rogers
2020-05-09 0:39 ` Andi Kleen
2020-05-09 0:41 ` Ian Rogers
2020-05-08 5:36 ` [RFC PATCH v3 07/14] perf expr: migrate expr ids table to libbpf's hashmap Ian Rogers
2020-05-08 5:36 ` [RFC PATCH v3 08/14] perf metricgroup: change evlist_used to a bitmap Ian Rogers
2020-05-08 5:36 ` [RFC PATCH v3 09/14] perf metricgroup: free metric_events on error Ian Rogers
2020-05-21 17:07 ` Arnaldo Carvalho de Melo [this message]
2020-05-08 5:36 ` [RFC PATCH v3 10/14] perf metricgroup: always place duration_time last Ian Rogers
2020-05-08 5:36 ` [RFC PATCH v3 11/14] perf metricgroup: delay events string creation Ian Rogers
2020-05-08 5:36 ` [RFC PATCH v3 12/14] perf metricgroup: order event groups by size Ian Rogers
2020-05-09 0:25 ` Andi Kleen
2020-05-09 0:40 ` Ian Rogers
2020-05-09 2:40 ` Andi Kleen
2020-05-20 7:46 ` Ian Rogers
2020-05-08 5:36 ` [RFC PATCH v3 13/14] perf metricgroup: remove duped metric group events Ian Rogers
2020-05-09 0:38 ` Andi Kleen
2020-05-08 5:36 ` [RFC PATCH v3 14/14] perf metricgroup: add options to not group or merge Ian Rogers
2020-05-09 0:12 ` [RFC PATCH v3 00/14] Share events between metrics Andi Kleen
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