[RFC PATCH 3/7] perf metricgroup: free metric_events on error

[Ian Rogers]

Avoid a simple memory leak.

Signed-off-by: Ian Rogers <irogers@xxxxxxxxxx>
---
 tools/perf/util/metricgroup.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/tools/perf/util/metricgroup.c b/tools/perf/util/metricgroup.c
index dcd175c05872..2356dda92a07 100644
--- a/tools/perf/util/metricgroup.c
+++ b/tools/perf/util/metricgroup.c
@@ -185,6 +185,7 @@ 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++)
@@ -192,11 +193,13 @@ 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;
-- 
2.26.2.526.g744177e7f7-goog