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perf parse: If pmu configuration fails free terms

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Avoid a memory leak when the configuration fails.

Signed-off-by: Ian Rogers <irogers@google.com>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Alexei Starovoitov <ast@kernel.org>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Daniel Borkmann <daniel@iogearbox.net>
Cc: Jin Yao <yao.jin@linux.intel.com>
Cc: John Garry <john.garry@huawei.com>
Cc: Kan Liang <kan.liang@linux.intel.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: Yonghong Song <yhs@fb.com>
Cc: bpf@vger.kernel.org
Cc: clang-built-linux@googlegroups.com
Cc: netdev@vger.kernel.org
Link: http://lore.kernel.org/lkml/20191030223448.12930-9-irogers@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Ian Rogers 2019-10-30 15:34:46 -07:00 committed by Arnaldo Carvalho de Melo
parent cabbf26821
commit 38f2c4226e
1 changed files with 8 additions and 1 deletions
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9
tools/perf/util/parse-events.c
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@ -1388,8 +1388,15 @@ int parse_events_add_pmu(struct parse_events_state *parse_state,
if (get_config_terms(head_config, &config_terms))
return -ENOMEM;
if (perf_pmu__config(pmu, &attr, head_config, parse_state->error))
if (perf_pmu__config(pmu, &attr, head_config, parse_state->error)) {
struct perf_evsel_config_term *pos, *tmp;
list_for_each_entry_safe(pos, tmp, &config_terms, list) {
list_del_init(&pos->list);
free(pos);
}
return -EINVAL;
}
evsel = __add_event(list, &parse_state->idx, &attr,
get_config_name(head_config), pmu,