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From: Jiri Olsa <jolsa@redhat.com>
To: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>
Cc: peterz@infradead.org, acme@kernel.org, mark.rutland@arm.com,
	alexander.shishkin@linux.intel.com, namhyung@kernel.org,
	ast@kernel.org, daniel@iogearbox.net, andrii@kernel.org,
	kafai@fb.com, songliubraving@fb.com, yhs@fb.com,
	john.fastabend@gmail.com, kpsingh@kernel.org,
	linux-kernel@vger.kernel.org, netdev@vger.kernel.org,
	bpf@vger.kernel.org
Subject: Re: [PATCH] perf tools: Simplify the calculation of variables
Date: Fri, 5 Feb 2021 10:49:15 +0100	[thread overview]
Message-ID: <YB0Um9N4rW8fd+oD@krava> (raw)
In-Reply-To: <1612497255-87189-1-git-send-email-jiapeng.chong@linux.alibaba.com>

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@linux.alibaba.com>
> Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.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@redhat.com>

jirka

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


  reply	other threads:[~2021-02-05  9:52 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-02-05  3:54 [PATCH] perf tools: Simplify the calculation of variables Jiapeng Chong
2021-02-05  9:49 ` Jiri Olsa [this message]
2021-02-18 13:14   ` Arnaldo Carvalho de Melo

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