netdev - Re: [PATCH] perf tools: Simplify the calculation of variables

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Message-ID: <YC5oIkXjJSj/GJpX@kernel.org>
Date:   Thu, 18 Feb 2021 10:14:10 -0300
From:   Arnaldo Carvalho de Melo <acme@...nel.org>
To:     Jiri Olsa <jolsa@...hat.com>
Cc:     Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>,
        peterz@...radead.org, mark.rutland@....com,
        alexander.shishkin@...ux.intel.com, namhyung@...nel.org,
        ast@...nel.org, daniel@...earbox.net, andrii@...nel.org,
        kafai@...com, songliubraving@...com, yhs@...com,
        john.fastabend@...il.com, kpsingh@...nel.org,
        linux-kernel@...r.kernel.org, netdev@...r.kernel.org,
        bpf@...r.kernel.org
Subject: Re: [PATCH] perf tools: Simplify the calculation of variables

Em Fri, Feb 05, 2021 at 10:49:15AM +0100, Jiri Olsa escreveu:
> On Fri, Feb 05, 2021 at 11:54:15AM +0800, Jiapeng Chong wrote:
> > Fix the following coccicheck warnings:
> > 
> > ./tools/perf/util/header.c:3809:18-20: WARNING !A || A && B is
> > equivalent to !A || B.
> > 
> > Reported-by: Abaci Robot <abaci@...ux.alibaba.com>
> > Signed-off-by: Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
> > ---
> >  tools/perf/util/header.c | 2 +-
> >  1 file changed, 1 insertion(+), 1 deletion(-)
> > 
> > diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c
> > index c4ed3dc..4fe9e2a 100644
> > --- a/tools/perf/util/header.c
> > +++ b/tools/perf/util/header.c
> > @@ -3806,7 +3806,7 @@ int perf_session__read_header(struct perf_session *session)
> >  	 * check for the pipe header regardless of source.
> >  	 */
> >  	err = perf_header__read_pipe(session);
> > -	if (!err || (err && perf_data__is_pipe(data))) {
> > +	if (!err || perf_data__is_pipe(data)) {
> 
> mama mia, thanks
> 
> Acked-by: Jiri Olsa <jolsa@...hat.com>

Thanks, applied.

- Arnaldo

 
> jirka
> 
> >  		data->is_pipe = true;
> >  		return err;
> >  	}
> > -- 
> > 1.8.3.1
> > 
> 

-- 

- Arnaldo