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authorIan Rogers <irogers@google.com>2019-10-31 01:34:46 +0300
committerArnaldo Carvalho de Melo <acme@redhat.com>2019-11-07 14:30:18 +0300
commit38f2c4226e6bc3e8c41c318242821ba5dc825aba (patch)
treec39f8337ce84684f0e50ea011b00b9f5877c52bc /tools/perf/util
parentcabbf26821aa210f1abfb07cc0e8339303e8e16c (diff)
downloadlinux-38f2c4226e6bc3e8c41c318242821ba5dc825aba.tar.xz
perf parse: If pmu configuration fails free terms
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>
Diffstat (limited to 'tools/perf/util')
-rw-r--r--tools/perf/util/parse-events.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c
index 578288c94d2a..a0a80f4e7038 100644
--- a/tools/perf/util/parse-events.c
+++ b/tools/perf/util/parse-events.c
@@ -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,