Re: [PATCH 06/15] perf tools: fix parse_events_terms() freeing localvariable on error path

From: Adrian Hunter
Date: Thu Jun 27 2013 - 03:53:21 EST


On 25/06/13 16:13, Jiri Olsa wrote:
> On Mon, Jun 24, 2013 at 04:16:03PM +0300, Adrian Hunter wrote:
>> The list_head is on the stack, so just free the rest of the list.
>>
>> Signed-off-by: Adrian Hunter <adrian.hunter@xxxxxxxxx>
>> ---
>> tools/perf/util/pmu.c | 3 ++-
>> 1 file changed, 2 insertions(+), 1 deletion(-)
>>
>> diff --git a/tools/perf/util/pmu.c b/tools/perf/util/pmu.c
>> index 4c6f9c4..def64d4 100644
>> --- a/tools/perf/util/pmu.c
>> +++ b/tools/perf/util/pmu.c
>> @@ -194,7 +194,8 @@ static int pmu_alias_terms(struct perf_pmu_alias *alias,
>> list_for_each_entry(term, &alias->terms, list) {
>> ret = parse_events_term__clone(&clone, term);
>> if (ret) {
>> - parse_events__free_terms(&list);
>> + list_for_each_entry_safe(term, clone, &list, list)
>> + free(term);
>
> Could you please add __parse_events__free_terms doing this
> and being called from parse_events__free_terms as you did
> for __perf_evlist__munmap in the other patch.

Thanks for reviewing. Fixed in V2.

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