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

Message ID 20200508053629.210324-10-irogers@google.com
State RFC
Delegated to: BPF Maintainers
Headers show
Series Share events between metrics | expand

Commit Message

Ian Rogers May 8, 2020, 5:36 a.m. UTC 
Avoid a simple memory leak.

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

Comments

Arnaldo Carvalho de Melo May 21, 2020, 5:07 p.m. UTC | #1 
Em Thu, May 07, 2020 at 10:36:24PM -0700, Ian Rogers escreveu:
> Avoid a simple memory leak.

Thanks, applied.

- Arnaldo
 
> 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 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
>
diff mbox series

Patch

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;