linux-kernel - Re: Re: [perf/core PATCH v4 2/2] perf buildid-cache: Add --purge FILE to remove all caches of FILE

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Date:	Mon, 23 Feb 2015 15:07:15 +0900
From:	Masami Hiramatsu <masami.hiramatsu.pt@...achi.com>
To:	Hemant Kumar <hemant@...ux.vnet.ibm.com>
Cc:	Arnaldo Carvalho de Melo <acme@...nel.org>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Adrian Hunter <adrian.hunter@...el.com>,
	linux-kernel@...r.kernel.org, Ingo Molnar <mingo@...hat.com>,
	Paul Mackerras <paulus@...ba.org>,
	Jiri Olsa <jolsa@...nel.org>,
	Namhyung Kim <namhyung@...nel.org>,
	Borislav Petkov <bp@...e.de>
Subject: Re: Re: [perf/core PATCH v4 2/2] perf buildid-cache: Add --purge
 FILE to remove all caches of FILE

(2015/02/21 4:07), Hemant Kumar wrote:
> Hi Masami,
> 
> Just a small suggestion below.
> 
> On 02/20/2015 03:11 PM, Masami Hiramatsu wrote:
>> [SNIP]
>> +
>> +struct strlist *build_id_cache__list_build_ids(const char *pathname)
>> +{
>> +	struct strlist *list;
>> +	char *dirname;
>> +	DIR *dir;
>> +	struct dirent *d;
>> +
>> +	list = strlist__new(true, NULL);
>> +	dirname = build_id_cache__dirname_from_path(pathname, false, false);
>> +	if (!list || !dirname)
>> +		goto error_free;
>> +
>> +	/* List up all dirents */
>> +	dir = opendir(dirname);
>> +	if (!dir)
>> +		goto error_free;
>> +	while ((d = readdir(dir)) != NULL) {
>> +		if (!strcmp(d->d_name, ".") || !strcmp(d->d_name, ".."))
>> +			continue;
>> +		strlist__add(list, d->d_name);
>> +	}
>> +	closedir(dir);
>> +
>> +	free(dirname);
>> +	return list;
>> +
>> +error_free:
>> +	free(dirname);
>> +	if (list)
>> +		strlist__delete(list);
> 
> Maybe we don't need the "if (list)" check here as strlist__delete 
> already checks for this.

Ah, right!

Thanks!


-- 
Masami HIRAMATSU
Software Platform Research Dept. Linux Technology Research Center
Hitachi, Ltd., Yokohama Research Laboratory
E-mail: masami.hiramatsu.pt@...achi.com


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