* [PATCH] perf evlist: Directly return instead of using local ret variable
@ 2022-03-28 1:55 Haowen Bai
2022-03-30 20:37 ` Arnaldo Carvalho de Melo
0 siblings, 1 reply; 2+ messages in thread
From: Haowen Bai @ 2022-03-28 1:55 UTC (permalink / raw)
To: peterz, mingo, acme, mark.rutland, alexander.shishkin, jolsa,
namhyung, ast, daniel, andrii, kafai, songliubraving, yhs,
john.fastabend, kpsingh
Cc: linux-perf-users, linux-kernel, netdev, bpf, Haowen Bai
fixes coccinelle warning:
./tools/perf/util/evlist.c:1333:5-8: Unneeded variable: "err". Return
"- ENOMEM" on line 1358
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
^ permalink raw reply related [flat|nested] 2+ messages in thread* Re: [PATCH] perf evlist: Directly return instead of using local ret variable
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
0 siblings, 0 replies; 2+ messages in thread
From: Arnaldo Carvalho de Melo @ 2022-03-30 20:37 UTC (permalink / raw)
To: Haowen Bai
Cc: peterz, mingo, mark.rutland, alexander.shishkin, jolsa, namhyung,
ast, daniel, andrii, kafai, songliubraving, yhs, john.fastabend,
kpsingh, linux-perf-users, linux-kernel, netdev, bpf
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
^ permalink raw reply [flat|nested] 2+ messages in thread
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2022-03-30 20:37 ` Arnaldo Carvalho de Melo
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