[PATCH] perf: bench: Remove unneeded variable

From: Wan Jiabing <wanjiabing@vivo.com>
To: Peter Zijlstra <peterz@infradead.org>,
	Ingo Molnar <mingo@redhat.com>,
	Arnaldo Carvalho de Melo <acme@kernel.org>,
	Mark Rutland <mark.rutland@arm.com>,
	Alexander Shishkin <alexander.shishkin@linux.intel.com>,
	Jiri Olsa <jolsa@redhat.com>, Namhyung Kim <namhyung@kernel.org>,
	Ian Rogers <irogers@google.com>,
	Colin Ian King <colin.king@canonical.com>,
	Wan Jiabing <wanjiabing@vivo.com>,
	linux-kernel@vger.kernel.org
Cc: kael_w@yeah.net
Subject: [PATCH] perf: bench: Remove unneeded variable
Date: Mon, 12 Apr 2021 17:20:48 +0800	[thread overview]
Message-ID: <20210412092054.28117-1-wanjiabing@vivo.com> (raw)

Fix coccicheck warning:

tools/perf/bench/find-bit-bench.c:123:5-8:
Unneeded variable: "err". Return "0" on line 134

Signed-off-by: Wan Jiabing <wanjiabing@vivo.com>
---
 tools/perf/bench/find-bit-bench.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/tools/perf/bench/find-bit-bench.c b/tools/perf/bench/find-bit-bench.c
index 73b5bcc5946a..7e748a56a8ba 100644
--- a/tools/perf/bench/find-bit-bench.c
+++ b/tools/perf/bench/find-bit-bench.c
@@ -120,7 +120,7 @@ static int do_for_each_set_bit(unsigned int num_bits)
 
 int bench_mem_find_bit(int argc, const char **argv)
 {
-	int err = 0, i;
+	int i;
 
 	argc = parse_options(argc, argv, options, bench_usage, 0);
 	if (argc) {
@@ -131,5 +131,5 @@ int bench_mem_find_bit(int argc, const char **argv)
 	for (i = 1; i <= 2048; i <<= 1)
 		do_for_each_set_bit(i);
 
-	return err;
+	return 0;
 }
-- 
2.30.2

