[PATCH] perf tools: Simplify the calculation of variables

[Jiapeng Chong]

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 <ab...@linux.alibaba.com>
Signed-off-by: Jiapeng Chong <jiapeng.ch...@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)) {
                data->is_pipe = true;
                return err;
        }
-- 
1.8.3.1