linux-kernel - Re: [PATCH 3/5] perf tools: Fix wrong condition for allocation failure

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Message-ID: <20140627141240.GG18773@kernel.org>
Date:	Fri, 27 Jun 2014 11:12:41 -0300
From:	Arnaldo Carvalho de Melo <acme@...nel.org>
To:	Jiri Olsa <jolsa@...nel.org>
Cc:	Ingo Molnar <mingo@...nel.org>, linux-kernel@...r.kernel.org,
	Corey Ashford <cjashfor@...ux.vnet.ibm.com>,
	David Ahern <dsahern@...il.com>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Namhyung Kim <namhyung@...nel.org>,
	Paul Mackerras <paulus@...ba.org>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>
Subject: Re: [PATCH 3/5] perf tools: Fix wrong condition for allocation
 failure

Em Fri, Jun 27, 2014 at 02:20:59PM +0200, Jiri Olsa escreveu:
> Check real allocated pointer for NULL.

Thanks, applied.

- Arnaldo
 
> Cc: Arnaldo Carvalho de Melo <acme@...nel.org>
> Cc: Corey Ashford <cjashfor@...ux.vnet.ibm.com>
> Cc: David Ahern <dsahern@...il.com>
> Cc: Frederic Weisbecker <fweisbec@...il.com>
> Cc: Ingo Molnar <mingo@...nel.org>
> Cc: Namhyung Kim <namhyung@...nel.org>
> Cc: Paul Mackerras <paulus@...ba.org>
> Cc: Peter Zijlstra <a.p.zijlstra@...llo.nl>
> Link: http://lkml.kernel.org/n/tip-5rfzbalwjphmdzzil74eazyl@git.kernel.org
> Signed-off-by: Jiri Olsa <jolsa@...nel.org>
> ---
>  tools/perf/builtin-stat.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c
> index 65a151e..3e80aa1 100644
> --- a/tools/perf/builtin-stat.c
> +++ b/tools/perf/builtin-stat.c
> @@ -184,7 +184,7 @@ static void perf_evsel__reset_stat_priv(struct perf_evsel *evsel)
>  static int perf_evsel__alloc_stat_priv(struct perf_evsel *evsel)
>  {
>  	evsel->priv = zalloc(sizeof(struct perf_stat));
> -	if (evsel == NULL)
> +	if (evsel->priv == NULL)
>  		return -ENOMEM;
>  	perf_evsel__reset_stat_priv(evsel);
>  	return 0;
> -- 
> 1.8.3.1
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