[RFC PATCH 3/7] perf metricgroup: free metric_events on error
From: Ian Rogers <irogers@google.com>
Date: 2020-05-07 08:15:02
Also in:
bpf, linux-perf-users, lkml
Subsystem:
performance events subsystem, the rest · Maintainers:
Peter Zijlstra, Ingo Molnar, Arnaldo Carvalho de Melo, Namhyung Kim, Linus Torvalds
Avoid a simple memory leak. Signed-off-by: Ian Rogers <irogers@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 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