[PATCH] perf tools: remove unneeded variable

[cgel . zte]

From: ran jianping <ran.jianping@xxxxxxxxxx>

Fix the following coccicheck review:
./tools/perf/util/evlist.c:1303:5-8: Unneeded variable

Remove unneeded variable used to store return value.

Reported-by: Zeal Robot <zealci@xxxxxxxxxx>
Signed-off-by: ran jianping <ran.jianping@xxxxxxxxxx>
---
 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 5f92319ce258..d64fe767f583 100644
--- a/tools/perf/util/evlist.c
+++ b/tools/perf/util/evlist.c
@@ -1300,7 +1300,6 @@ 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
@@ -1325,7 +1324,7 @@ 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)
-- 
2.25.1