Re: [tip:perf/core] perf tools: Fix locale handling in pmu parsing

From: Ingo Molnar
Date: Tue Mar 08 2016 - 08:23:57 EST



* tip-bot for Jiri Olsa <tipbot@xxxxxxxxx> wrote:

> @@ -135,6 +146,8 @@ static int perf_pmu__parse_scale(struct perf_pmu_alias *alias, char *dir, char *
> /* restore locale */
> setlocale(LC_NUMERIC, lc);
>
> + free((char *) lc);
> +

Btw., minor side note: why does 'lc' have to be case to 'char *'?

In the kernel kfree() takes 'const void *':

include/linux/slab.h:void kfree(const void *);

which will accept all pointer types. That avoids unnecessary and fragile type
casts.

Thanks,

Ingo