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From: David Laight <David.Laight@ACULAB.COM>
To: 'Jiapeng Chong' <jiapeng.chong@linux.alibaba.com>,
	"peterz@infradead.org" <peterz@infradead.org>
Cc: "mingo@redhat.com" <mingo@redhat.com>,
	"acme@kernel.org" <acme@kernel.org>,
	"mark.rutland@arm.com" <mark.rutland@arm.com>,
	"alexander.shishkin@linux.intel.com" 
	<alexander.shishkin@linux.intel.com>,
	"jolsa@redhat.com" <jolsa@redhat.com>,
	"namhyung@kernel.org" <namhyung@kernel.org>,
	"ast@kernel.org" <ast@kernel.org>,
	"daniel@iogearbox.net" <daniel@iogearbox.net>,
	"andrii@kernel.org" <andrii@kernel.org>,
	"kafai@fb.com" <kafai@fb.com>,
	"songliubraving@fb.com" <songliubraving@fb.com>,
	"yhs@fb.com" <yhs@fb.com>,
	"john.fastabend@gmail.com" <john.fastabend@gmail.com>,
	"kpsingh@kernel.org" <kpsingh@kernel.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"netdev@vger.kernel.org" <netdev@vger.kernel.org>,
	"bpf@vger.kernel.org" <bpf@vger.kernel.org>
Subject: RE: [PATCH] perf machine: Assign boolean values to a bool variable
Date: Wed, 10 Mar 2021 09:55:39 +0000	[thread overview]
Message-ID: <e28b0392ce4349989fdf03470ed8fd3e@AcuMS.aculab.com> (raw)
In-Reply-To: <1615284669-82139-1-git-send-email-jiapeng.chong@linux.alibaba.com>

From: Jiapeng Chong
> Sent: 09 March 2021 10:11
> 
> Fix the following coccicheck warnings:
> 
> ./tools/perf/util/machine.c:2041:9-10: WARNING: return of 0/1 in
> function 'symbol__match_regex' with return type bool.
> 
> Reported-by: Abaci Robot <abaci@linux.alibaba.com>
> Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>
> ---
>  tools/perf/util/machine.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/tools/perf/util/machine.c b/tools/perf/util/machine.c
> index b5c2d8b..435771e 100644
> --- a/tools/perf/util/machine.c
> +++ b/tools/perf/util/machine.c
> @@ -2038,8 +2038,8 @@ int machine__process_event(struct machine *machine, union perf_event *event,
>  static bool symbol__match_regex(struct symbol *sym, regex_t *regex)
>  {
>  	if (!regexec(regex, sym->name, 0, NULL, 0))
> -		return 1;
> -	return 0;
> +		return true;
> +	return false;

What's wrong with:
	return !regexec(regex, sym->name, 0, NULL, 0);

    David

-
Registered Address Lakeside, Bramley Road, Mount Farm, Milton Keynes, MK1 1PT, UK
Registration No: 1397386 (Wales)


      parent reply	other threads:[~2021-03-10  9:57 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-03-09 10:11 [PATCH] perf machine: Assign boolean values to a bool variable Jiapeng Chong
2021-03-09 12:10 ` Arnaldo Carvalho de Melo
2021-03-10  9:55 ` David Laight [this message]

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