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

From: Jiri Olsa
Date: Tue Jun 25 2013 - 09:14:41 EST


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,
jirka
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