[PATCH v2 2/2] perf metric: Fix some memory leaks - part 2

[Namhyung Kim <namhyung@kernel.org>]

The metric_event_delete() missed to free expr->metric_events and it
should free an expr when metric_refs allocation failed.

Cc: Kajol Jain <kjain@linux.ibm.com>
Cc: John Garry <john.garry@huawei.com>
Cc: Ian Rogers <irogers@google.com>
Fixes: 4ea2896715e67 ("perf metric: Collect referenced metrics in struct metric_expr")
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
---
 tools/perf/util/metricgroup.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/tools/perf/util/metricgroup.c b/tools/perf/util/metricgroup.c
index af664d6218d6..b28c09447c10 100644
--- a/tools/perf/util/metricgroup.c
+++ b/tools/perf/util/metricgroup.c
@@ -85,6 +85,7 @@ static void metric_event_delete(struct rblist *rblist __maybe_unused,
 
 	list_for_each_entry_safe(expr, tmp, &me->head, nd) {
 		free(expr->metric_refs);
+		free(expr->metric_events);
 		free(expr);
 	}
 
@@ -316,6 +317,7 @@ static int metricgroup__setup_events(struct list_head *groups,
 			if (!metric_refs) {
 				ret = -ENOMEM;
 				free(metric_events);
+				free(expr);
 				break;
 			}
 
-- 
2.28.0.526.ge36021eeef-goog