linux-kernel - [tip:perf/urgent] perf test: Reset err after using it hold errcode in hist testcases

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Message-ID: <tip-b0500c169b4069e40f03391c7280cd6eaf849e49@git.kernel.org>
Date:	Tue, 12 Jan 2016 02:11:53 -0800
From:	tip-bot for Wang Nan <tipbot@...or.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	masami.hiramatsu.pt@...achi.com, mingo@...nel.org,
	tglx@...utronix.de, jolsa@...nel.org, hpa@...or.com,
	lizefan@...wei.com, acme@...hat.com, linux-kernel@...r.kernel.org,
	wangnan0@...wei.com, namhyung@...nel.org
Subject: [tip:perf/urgent] perf test:
  Reset err after using it hold errcode in hist testcases

Commit-ID:  b0500c169b4069e40f03391c7280cd6eaf849e49
Gitweb:     http://git.kernel.org/tip/b0500c169b4069e40f03391c7280cd6eaf849e49
Author:     Wang Nan <wangnan0@...wei.com>
AuthorDate: Mon, 11 Jan 2016 13:48:03 +0000
Committer:  Arnaldo Carvalho de Melo <acme@...hat.com>
CommitDate: Mon, 11 Jan 2016 19:22:22 -0300

perf test: Reset err after using it hold errcode in hist testcases

All hists test cases forget to reset err after using it to hold an
error code. If error occure in setup_fake_machine() it incorrectly
return TEST_OK.

This patch fixes it.

Suggested-and-Acked-by: Namhyung Kim <namhyung@...nel.org>
Signed-off-by: Wang Nan <wangnan0@...wei.com>
Cc: Jiri Olsa <jolsa@...nel.org>
Cc: Masami Hiramatsu <masami.hiramatsu.pt@...achi.com>
Cc: Zefan Li <lizefan@...wei.com>
Cc: pi3orama@....com
Link: http://lkml.kernel.org/r/1452520124-2073-13-git-send-email-wangnan0@huawei.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
 tools/perf/tests/hists_cumulate.c | 1 +
 tools/perf/tests/hists_filter.c   | 1 +
 tools/perf/tests/hists_link.c     | 1 +
 tools/perf/tests/hists_output.c   | 1 +
 4 files changed, 4 insertions(+)

diff --git a/tools/perf/tests/hists_cumulate.c b/tools/perf/tests/hists_cumulate.c
index e360892..5e6a86e 100644
--- a/tools/perf/tests/hists_cumulate.c
+++ b/tools/perf/tests/hists_cumulate.c
@@ -706,6 +706,7 @@ int test__hists_cumulate(int subtest __maybe_unused)
 	err = parse_events(evlist, "cpu-clock", NULL);
 	if (err)
 		goto out;
+	err = TEST_FAIL;
 
 	machines__init(&machines);
 
diff --git a/tools/perf/tests/hists_filter.c b/tools/perf/tests/hists_filter.c
index 2a784be..351a424 100644
--- a/tools/perf/tests/hists_filter.c
+++ b/tools/perf/tests/hists_filter.c
@@ -120,6 +120,7 @@ int test__hists_filter(int subtest __maybe_unused)
 	err = parse_events(evlist, "task-clock", NULL);
 	if (err)
 		goto out;
+	err = TEST_FAIL;
 
 	/* default sort order (comm,dso,sym) will be used */
 	if (setup_sorting(NULL) < 0)
diff --git a/tools/perf/tests/hists_link.c b/tools/perf/tests/hists_link.c
index c764d69..64b257d 100644
--- a/tools/perf/tests/hists_link.c
+++ b/tools/perf/tests/hists_link.c
@@ -293,6 +293,7 @@ int test__hists_link(int subtest __maybe_unused)
 	if (err)
 		goto out;
 
+	err = TEST_FAIL;
 	/* default sort order (comm,dso,sym) will be used */
 	if (setup_sorting(NULL) < 0)
 		goto out;
diff --git a/tools/perf/tests/hists_output.c b/tools/perf/tests/hists_output.c
index ebe6cd4..b231265 100644
--- a/tools/perf/tests/hists_output.c
+++ b/tools/perf/tests/hists_output.c
@@ -597,6 +597,7 @@ int test__hists_output(int subtest __maybe_unused)
 	err = parse_events(evlist, "cpu-clock", NULL);
 	if (err)
 		goto out;
+	err = TEST_FAIL;
 
 	machines__init(&machines);