From: José Expósito <jose.exposito89@xxxxxxxxx> commit e000ea0beffb5497425054b151369fe37a792ece upstream. We shouldn't free() something that will be used in the next line, fix it. Fixes: b85a4d61d3022608 ("perf metric: Allow modifiers on metrics") Addresses-Coverity-ID: 1494000 Signed-off-by: José Expósito <jose.exposito89@xxxxxxxxx> Cc: Alexander Shishkin <alexander.shishkin@xxxxxxxxxxxxxxx> Cc: Andi Kleen <ak@xxxxxxxxxxxxxxx> Cc: Ian Rogers <irogers@xxxxxxxxxx> Cc: Jiri Olsa <jolsa@xxxxxxxxxx> Cc: John Garry <john.garry@xxxxxxxxxx> Cc: Mark Rutland <mark.rutland@xxxxxxx> Cc: Namhyung Kim <namhyung@xxxxxxxxxx> Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx> Link: http://lore.kernel.org/lkml/20211208171113.22089-1-jose.exposito89@xxxxxxxxx Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- tools/perf/util/metricgroup.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/tools/perf/util/metricgroup.c +++ b/tools/perf/util/metricgroup.c @@ -209,8 +209,8 @@ static struct metric *metric__new(const m->metric_name = pe->metric_name; m->modifier = modifier ? strdup(modifier) : NULL; if (modifier && !m->modifier) { - free(m); expr__ctx_free(m->pctx); + free(m); return NULL; } m->metric_expr = pe->metric_expr;