linux-kernel - Re: [PATCH 03/21] perf hists: Add support for accumulated stat of hist entry

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Date:	Mon, 06 Jan 2014 17:09:09 +0900
From:	Namhyung Kim <namhyung@...nel.org>
To:	Jiri Olsa <jolsa@...hat.com>
Cc:	Arnaldo Carvalho de Melo <acme@...stprotocols.net>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Paul Mackerras <paulus@...ba.org>,
	Ingo Molnar <mingo@...nel.org>,
	Namhyung Kim <namhyung.kim@....com>,
	LKML <linux-kernel@...r.kernel.org>,
	Arun Sharma <asharma@...com>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Rodrigo Campos <rodrigo@...g.com.ar>
Subject: Re: [PATCH 03/21] perf hists: Add support for accumulated stat of hist entry

On Sun, 5 Jan 2014 17:26:50 +0100, Jiri Olsa wrote:
> On Tue, Dec 24, 2013 at 05:22:09PM +0900, Namhyung Kim wrote:
>> @@ -295,6 +306,7 @@ static struct hist_entry *hist_entry__new(struct hist_entry *template)
>>  			 */
>>  			he->branch_info = malloc(sizeof(*he->branch_info));
>>  			if (he->branch_info == NULL) {
>> +				free(he->stat_acc);
>
> probably not big deal but above free should be under
> symbol_conf.cumulate_callchain check..

The he->stat_acc will be NULL if !symbol_conf.cumulate_callchain so it's
safe to call free().

And I'll add the call to free() into hist_entry__free() anyway.

Thanks,
Namhyung
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