From: Arnaldo Carvalho de Melo <acme@kernel.org>
To: Haowen Bai <baihaowen@meizu.com>
Cc: peterz@infradead.org, mingo@redhat.com, mark.rutland@arm.com,
alexander.shishkin@linux.intel.com, jolsa@kernel.org,
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-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org,
netdev@vger.kernel.org, bpf@vger.kernel.org
Subject: Re: [PATCH] perf evlist: Directly return instead of using local ret variable
Date: Wed, 30 Mar 2022 17:37:15 -0300 [thread overview]
Message-ID: <YkS/ez1o9QC2AcJ5@kernel.org> (raw)
In-Reply-To: <1648432532-23151-1-git-send-email-baihaowen@meizu.com>
Em Mon, Mar 28, 2022 at 09:55:32AM +0800, Haowen Bai escreveu:
> fixes coccinelle warning:
> ./tools/perf/util/evlist.c:1333:5-8: Unneeded variable: "err". Return
> "- ENOMEM" on line 1358
Thanks, applied.
- Arnaldo
> Signed-off-by: Haowen Bai <baihaowen@meizu.com>
> ---
> tools/perf/util/evlist.c | 3 +--
> 1 file changed, 1 insertion(+), 2 deletions(-)
>
> diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c
> index 9bb79e0..1883278 100644
> --- a/tools/perf/util/evlist.c
> +++ b/tools/perf/util/evlist.c
> @@ -1330,7 +1330,6 @@ static int evlist__create_syswide_maps(struct evlist *evlist)
> {
> struct perf_cpu_map *cpus;
> struct perf_thread_map *threads;
> - int err = -ENOMEM;
>
> /*
> * Try reading /sys/devices/system/cpu/online to get
> @@ -1355,7 +1354,7 @@ static int evlist__create_syswide_maps(struct evlist *evlist)
> out_put:
> perf_cpu_map__put(cpus);
> out:
> - return err;
> + return -ENOMEM;
> }
>
> int evlist__open(struct evlist *evlist)
> --
> 2.7.4
--
- Arnaldo
prev parent reply other threads:[~2022-03-30 20:37 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-03-28 1:55 [PATCH] perf evlist: Directly return instead of using local ret variable Haowen Bai
2022-03-30 20:37 ` Arnaldo Carvalho de Melo [this message]
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