linux-kernel - [PATCH 2/2] perf tools: Remove unused variable in tests/test-basic.c

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Date:   Thu, 29 Sep 2022 16:05:14 +0200
From:   Jiri Olsa <jolsa@...nel.org>
To:     Arnaldo Carvalho de Melo <acme@...nel.org>
Cc:     lkml <linux-kernel@...r.kernel.org>,
        Peter Zijlstra <a.p.zijlstra@...llo.nl>,
        Ingo Molnar <mingo@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Namhyung Kim <namhyung@...nel.org>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Ian Rogers <irogers@...gle.com>,
        linux-perf-users@...r.kernel.org
Subject: [PATCH 2/2] perf tools: Remove unused variable in tests/test-basic.c

The clang 15 build reveal several unused-but-set variables,
removing the 'foo' variable in tests/mmap-basic.o object.

Signed-off-by: Jiri Olsa <jolsa@...nel.org>
---
 tools/perf/tests/mmap-basic.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/tools/perf/tests/mmap-basic.c b/tools/perf/tests/mmap-basic.c
index 21b5e68179d7..8322fc2295fa 100644
--- a/tools/perf/tests/mmap-basic.c
+++ b/tools/perf/tests/mmap-basic.c
@@ -112,8 +112,7 @@ static int test__basic_mmap(struct test_suite *test __maybe_unused, int subtest
 
 	for (i = 0; i < nsyscalls; ++i)
 		for (j = 0; j < expected_nr_events[i]; ++j) {
-			int foo = syscalls[i]();
-			++foo;
+			syscalls[i]();
 		}
 
 	md = &evlist->mmap[0];
-- 
2.37.3