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

[Ingo Molnar]

* tip-bot for Jiri Olsa <tip...@zytor.com> 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