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SubjectRe: [PATCH 04/13] perf tests: Add another metric parsing test
On Tue, Jun 02, 2020 at 10:58:32AM -0700, Ian Rogers wrote:

SNIP

> > +static int check_parse_fake(const char *id)
> > +{
> > + struct parse_events_error error;
>
> nit: this reads funny as it isn't clear, without looking at
> check_parse_id, that error is zero initialized.

right, how about something like below?

thanks,
jirka


---
diff --git a/tools/perf/tests/pmu-events.c b/tools/perf/tests/pmu-events.c
index d3343827eb4d..c745b6e13cbe 100644
--- a/tools/perf/tests/pmu-events.c
+++ b/tools/perf/tests/pmu-events.c
@@ -403,7 +403,6 @@ static int check_parse_id(const char *id, struct parse_events_error *error,
evlist = evlist__new();
if (!evlist)
return -ENOMEM;
- memset(error, 0, sizeof(*error));
ret = parse_events(evlist, id, error, fake_pmu);
evlist__delete(evlist);
return ret;
@@ -411,7 +410,7 @@ static int check_parse_id(const char *id, struct parse_events_error *error,

static int check_parse_cpu(const char *id, bool same_cpu, struct pmu_event *pe)
{
- struct parse_events_error error;
+ struct parse_events_error error = { 0 };

int ret = check_parse_id(id, &error, false);
if (ret && same_cpu) {
@@ -433,7 +432,7 @@ static int check_parse_cpu(const char *id, bool same_cpu, struct pmu_event *pe)

static int check_parse_fake(const char *id)
{
- struct parse_events_error error;
+ struct parse_events_error error = { 0 };
int ret = check_parse_id(id, &error, true);

free(error.str);
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