Re: [PATCH] perf tools: Simplify the calculation of variables

Jiri Olsa
2021-02-05T09:53:31Z

On Fri, Feb 05, 2021 at 11:54:15AM +0800, Jiapeng Chong wrote:
> Fix the following coccicheck warnings:
>
> ./tools/perf/util/header.c:3809:18-20: WARNING !A || A && B is
> equivalent to !A || B.
>
> Reported-by: Abaci Robot <abaci@linux.alibaba.com>
> Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>
> ---
> tools/perf/util/header.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c
> index c4ed3dc..4fe9e2a 100644
> --- a/tools/perf/util/header.c
> +++ b/tools/perf/util/header.c
> @@ -3806,7 +3806,7 @@ int perf_session__read_header(struct perf_session *session)
> * check for the pipe header regardless of source.
> */
> err = perf_header__read_pipe(session);
> - if (!err || (err && perf_data__is_pipe(data))) {
> + if (!err || perf_data__is_pipe(data)) {

mama mia, thanks

Acked-by: Jiri Olsa <jolsa@redhat.com>

jirka

> data->is_pipe = true;
> return err;
> }
> --
> 1.8.3.1
>