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| author |   Ian Rogers <irogers@google.com> | 2020-05-07 22:36:24 -0700 |
|---|---|---|
| committer |   Arnaldo Carvalho de Melo <acme@redhat.com> | 2020-05-28 10:03:27 -0300 |
| commit | a159e2fe89b4d1f9fb54b0ae418b961e239bf617 (patch) | |
| tree | 09f03970a42b95f3cd3e699956b268a1ba0283ec /tools/perf | |
| parent | perf util: Fix potential SEGFAULT in put_tracepoints_path error path (diff) | |
| download | linux-dev-a159e2fe89b4d1f9fb54b0ae418b961e239bf617.tar.xz linux-dev-a159e2fe89b4d1f9fb54b0ae418b961e239bf617.zip | |
perf metricgroup: Free metric_events on error
Avoid a simple memory leak.
Signed-off-by: Ian Rogers <irogers@google.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Alexei Starovoitov <ast@kernel.org>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Andrii Nakryiko <andriin@fb.com>
Cc: Cong Wang <xiyou.wangcong@gmail.com>
Cc: Daniel Borkmann <daniel@iogearbox.net>
Cc: Jin Yao <yao.jin@linux.intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: John Fastabend <john.fastabend@gmail.com>
Cc: John Garry <john.garry@huawei.com>
Cc: Kajol Jain <kjain@linux.ibm.com>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Kim Phillips <kim.phillips@amd.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Martin KaFai Lau <kafai@fb.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Song Liu <songliubraving@fb.com>
Cc: Stephane Eranian <eranian@google.com>
Cc: Vince Weaver <vincent.weaver@maine.edu>
Cc: Yonghong Song <yhs@fb.com>
Cc: bpf@vger.kernel.org
Cc: kp singh <kpsingh@chromium.org>
Cc: netdev@vger.kernel.org
Link: http://lore.kernel.org/lkml/20200508053629.210324-10-irogers@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf')
| -rw-r--r-- | tools/perf/util/metricgroup.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/tools/perf/util/metricgroup.c b/tools/perf/util/metricgroup.c index a16f60da06ab..381a619a80b9 100644 --- a/tools/perf/util/metricgroup.c +++ b/tools/perf/util/metricgroup.c @@ -177,6 +177,7 @@ 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++) @@ -184,11 +185,13 @@ 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; |