perf tools: Use perf_event_terms__purge() for non-malloced terms

In these two cases, a 'perf test' entry and in the PMU code the
list_head is on the stack, so we can't use perf_event__free_terms()
(soon to be renamed to perf_event_terms__delete()), because it will
free the list_head as well.

Acked-by: Jiri Olsa <jolsa@kernel.org>
Cc: Alexei Starovoitov <ast@kernel.org>
Cc: He Kuang <hekuang@huawei.com>
Cc: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Cc: Zefan Li <lizefan@huawei.com>
Cc: pi3orama@163.com
Link: http://lkml.kernel.org/n/tip-i956ryjhz97gnnqe8iqe7m7s@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

2 files changed, 2 insertions, 2 deletions

diff --git a/tools/perf/tests/parse-events.c b/tools/perf/tests/parse-events.c
index abe8849d1d70..6648274f4601 100644
--- a/tools/perf/tests/parse-events.c
+++ b/tools/perf/tests/parse-events.c
@@ -1666,7 +1666,7 @@ static int test_term(struct terms_test *t)
         }
 
         ret = t->check(&terms);
-        parse_events__free_terms(&terms);
+        parse_events_terms__purge(&terms);
 
         return ret;
 }
diff --git a/tools/perf/util/pmu.c b/tools/perf/util/pmu.c
index 41a9c875e492..cf59fbaee491 100644
--- a/tools/perf/util/pmu.c
+++ b/tools/perf/util/pmu.c
@@ -354,7 +354,7 @@ static int pmu_alias_terms(struct perf_pmu_alias *alias,
         list_for_each_entry(term, &alias->terms, list) {
                 ret = parse_events_term__clone(&cloned, term);
                 if (ret) {
-                        parse_events__free_terms(&list);
+                        parse_events_terms__purge(&list);
                         return ret;
                 }
                 list_add_tail(&cloned->list, &list);