linux-kernel - Re: [PATCH v3 4/7] perf config: Reimplement perf_config() using perf_config_set_

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Date:	Mon, 30 May 2016 16:32:54 -0300
From:	Arnaldo Carvalho de Melo <acme@...nel.org>
To:	Taeung Song <treeze.taeung@...il.com>
Cc:	linux-kernel@...r.kernel.org, Jiri Olsa <jolsa@...nel.org>,
	Namhyung Kim <namhyung@...nel.org>,
	Ingo Molnar <mingo@...nel.org>,
	Peter Zijlstra <peterz@...radead.org>,
	Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
	Masami Hiramatsu <mhiramat@...nel.org>,
	Jiri Olsa <jolsa@...hat.com>, Wang Nan <wangnan0@...wei.com>,
	Ingo Molnar <mingo@...hat.com>
Subject: Re: [PATCH v3 4/7] perf config: Reimplement perf_config() using
 perf_config_set__iter()

Em Tue, May 31, 2016 at 01:44:08AM +0900, Taeung Song escreveu:
> +static int perf_config_set__iter(struct perf_config_set *set, config_fn_t fn, void *data)
> +{
> +	struct perf_config_section *section;
> +	struct perf_config_item *item;
> +	struct list_head *sections;
> +	char key[BUFSIZ];
> +
> +	if (set == NULL)
> +		return -1;
<SNIP>
> +	return 0;
> +}
> +int perf_config(config_fn_t fn, void *data)
> +{
> +	if (perf_config_set__check() < 0)
> +		return -1;
> +	return perf_config_set__iter(config_set, fn, data);
> +}

"check" looks too vague, this is equivalent, no?

int perf_config(config_fn_t, void *data)
{
	if (config_set == NULL)
		config_set = perf_config_set__new();
	
	return perf_config_set__iter(config_set, fn, data);
}

- Arnaldo