[RFC PATCH v3 09/14] perf metricgroup: free metric_events on error

[Ian Rogers]

Avoid a simple memory leak.

Signed-off-by: Ian Rogers <irog...@google.com>
---
 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 4f7e36bc49d9..7e1725d61c39 100644
--- a/tools/perf/util/metricgroup.c
+++ b/tools/perf/util/metricgroup.c
@@ -186,6 +186,7 @@ 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++)
@@ -193,11 +194,13 @@ 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;
-- 
2.26.2.645.ge9eca65c58-goog