linux-kernel - Re: [PATCH V2 06/15] perf tools: fix parse_events_terms() freeing local variable on error path

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Message-ID: <51CD92A3.5000202@gmail.com>
Date:	Fri, 28 Jun 2013 07:41:55 -0600
From:	David Ahern <dsahern@...il.com>
To:	Adrian Hunter <adrian.hunter@...el.com>
CC:	Arnaldo Carvalho de Melo <acme@...stprotocols.net>,
	linux-kernel@...r.kernel.org,
	Frederic Weisbecker <fweisbec@...il.com>,
	Jiri Olsa <jolsa@...hat.com>, Mike Galbraith <efault@....de>,
	Namhyung Kim <namhyung@...il.com>,
	Paul Mackerras <paulus@...ba.org>,
	Peter Zijlstra <peterz@...radead.org>,
	Stephane Eranian <eranian@...gle.com>
Subject: Re: [PATCH V2 06/15] perf tools: fix parse_events_terms() freeing
 local variable on error path

On 6/28/13 12:32 AM, Adrian Hunter wrote:

>> Seems like you can just fix parse_events__free_terms to do the right thing
>> and not call free(terms) -- ie., no need for a separate "only" function.
>>  From there only test_term() needs to do the free(terms) and since it mallocs
>> the memory there it is nicely symmetrical.
>
> There are 2 more calls to parse_events__free_terms in util/parse-events.y
>

Right and both look like stack case uses. I don't see the need for 
__free_terms to free the list so no need for an _only version.

David
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