Re: [PATCH] perf bench: remove unneeded variable

From: Ian Rogers
Date: Wed Jun 14 2023 - 00:44:38 EST


On Tue, Jun 13, 2023 at 8:38 PM <baomingtong001@xxxxxxxxxx> wrote:
>
> fix the following coccicheck warning:
>
> tools/perf/bench/find-bit-bench.c:127:5-8: Unneeded variable: "err".
> Return "0".
>
> Signed-off-by: Mingtong Bao <baomingtong001@xxxxxxxxxx>

Reviewed-by: Ian Rogers <irogers@xxxxxxxxxx>

Thanks,
Ian

> ---
> 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 7e25b0e413f6..70619bc73841 100644
> --- a/tools/perf/bench/find-bit-bench.c
> +++ b/tools/perf/bench/find-bit-bench.c
> @@ -124,7 +124,7 @@ 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) {
> @@ -135,5 +135,5 @@ 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;
> }