[PATCH] perf tools: Remove redundant code

[PATCH] perf tools: Remove redundant code

[Jiapeng Chong]

Fix the following coccicheck warnings:

./tools/perf/util/evlist.c:1315:5-8: Unneeded variable: "err". Return "-
ENOMEM" on line 1340.

Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.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 882cd1f..6c2a271 100644
--- a/tools/perf/util/evlist.c
+++ b/tools/perf/util/evlist.c
@@ -1313,7 +1313,6 @@ 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
@@ -1338,7 +1337,7 @@ 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)
-- 
1.8.3.1

Re: [PATCH] perf tools: Remove redundant code

[kajoljain]

On 3/10/21 8:48 AM, Jiapeng Chong wrote:
> Fix the following coccicheck warnings:
> 
> ./tools/perf/util/evlist.c:1315:5-8: Unneeded variable: "err". Return "-
> ENOMEM" on line 1340.
> 
> Reported-by: Abaci Robot <abaci@linux.alibaba.com>
> Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.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 882cd1f..6c2a271 100644
> --- a/tools/perf/util/evlist.c
> +++ b/tools/perf/util/evlist.c
> @@ -1313,7 +1313,6 @@ 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
> @@ -1338,7 +1337,7 @@ static int evlist__create_syswide_maps(struct evlist *evlist)
>  out_put:
>  	perf_cpu_map__put(cpus);
>  out:
> -	return err;
> +	return -ENOMEM;
>  }

Seems fine to me.

Reviewed-By: Kajol Jain<kjain@linux.ibm.com>
Thanks,
Kajol Jain
>  
>  int evlist__open(struct evlist *evlist)
>