linux-kernel - [PATCH v2 1/7] perf test: Check result of has

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Date:   Mon,  4 Sep 2023 10:50:43 +0100
From:   James Clark <james.clark@....com>
To:     linux-perf-users@...r.kernel.org, irogers@...gle.com
Cc:     James Clark <james.clark@....com>,
        John Garry <john.g.garry@...cle.com>,
        Will Deacon <will@...nel.org>,
        Mike Leach <mike.leach@...aro.org>,
        Leo Yan <leo.yan@...aro.org>,
        Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...hat.com>,
        Arnaldo Carvalho de Melo <acme@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Jiri Olsa <jolsa@...nel.org>,
        Namhyung Kim <namhyung@...nel.org>,
        Adrian Hunter <adrian.hunter@...el.com>,
        Kajol Jain <kjain@...ux.ibm.com>,
        Jing Zhang <renyu.zj@...ux.alibaba.com>,
        Haixin Yu <yuhaixin.yhx@...ux.alibaba.com>,
        Madhavan Srinivasan <maddy@...ux.ibm.com>,
        Ravi Bangoria <ravi.bangoria@....com>,
        Kan Liang <kan.liang@...ux.intel.com>,
        Yang Jihong <yangjihong1@...wei.com>,
        Eduard Zingerman <eddyz87@...il.com>,
        Miguel Ojeda <ojeda@...nel.org>,
        Liam Howlett <liam.howlett@...cle.com>,
        Chen Zhongjin <chenzhongjin@...wei.com>,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Subject: [PATCH v2 1/7] perf test: Check result of has_event(cycles) test

Currently the function always returns 0, so even when the has_event()
test fails, the test still passes. Fix it by returning ret instead.

Reviewed-by: Ian Rogers <irogers@...gle.com>
Signed-off-by: James Clark <james.clark@....com>
---
 tools/perf/tests/expr.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/perf/tests/expr.c b/tools/perf/tests/expr.c
index 81229fa4f1e9..39be7f3b3a53 100644
--- a/tools/perf/tests/expr.c
+++ b/tools/perf/tests/expr.c
@@ -263,7 +263,7 @@ static int test__expr(struct test_suite *t __maybe_unused, int subtest __maybe_u
 
 	expr__ctx_free(ctx);
 
-	return 0;
+	return ret;
 }
 
 DEFINE_SUITE("Simple expression parser", expr);
-- 
2.34.1