linux-kernel - Re: [PATCH 1/2] perf tools: Use zfree() instead of free() in parse-events.c

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Date:   Mon, 30 Jan 2017 10:01:59 +0100
From:   Jiri Olsa <jolsa@...hat.com>
To:     Taeung Song <treeze.taeung@...il.com>
Cc:     Arnaldo Carvalho de Melo <acme@...nel.org>,
        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>,
        Wang Nan <wangnan0@...wei.com>
Subject: Re: [PATCH 1/2] perf tools: Use zfree() instead of free() in
 parse-events.c

On Mon, Jan 30, 2017 at 02:23:38PM +0900, Taeung Song wrote:
> Currently there are several parts not checking NULL
> after allocating with zalloc() or asigning NULL value
> to a pointer variable after doing free().
> 
> So I fill in code checking NULL and
> use zfree() instead of free().

can't see directly reasons for zfree usage,
but it looks reasonable.. do you have any
crash reports due to missing zfree?

thanks,
jirka