linux-kernel - [PATCH] selftests/kcmp: exit with non-zero code in a fail case

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Message-Id: <1426238828-30042-1-git-send-email-avagin@openvz.org>
Date:	Fri, 13 Mar 2015 12:27:08 +0300
From:	Andrey Vagin <avagin@...nvz.org>
To:	linux-kernel@...r.kernel.org
Cc:	Andrey Vagin <avagin@...nvz.org>,
	Shuah Khan <shuahkh@....samsung.com>,
	Cyrill Gorcunov <gorcunov@...nvz.org>
Subject: [PATCH] selftests/kcmp: exit with non-zero code in a fail case

Currently this test always returs zero code and a child process returns
non-zero code only if the last testcase failed.

Cc: Shuah Khan <shuahkh@....samsung.com>
Cc: Cyrill Gorcunov <gorcunov@...nvz.org>
Signed-off-by: Andrey Vagin <avagin@...nvz.org>
---
 tools/testing/selftests/kcmp/kcmp_test.c | 16 ++++++++++------
 tools/testing/selftests/kselftest.h      | 12 ++++++++++++
 2 files changed, 22 insertions(+), 6 deletions(-)

diff --git a/tools/testing/selftests/kcmp/kcmp_test.c b/tools/testing/selftests/kcmp/kcmp_test.c
index a5a4da8..42a40c6 100644
--- a/tools/testing/selftests/kcmp/kcmp_test.c
+++ b/tools/testing/selftests/kcmp/kcmp_test.c
@@ -97,13 +97,17 @@ int main(int argc, char **argv)
 
 		ksft_print_cnts();
 
-		if (ret)
-			ksft_exit_fail();
-		else
-			ksft_exit_pass();
+		return ksft_exit();
+	}
+
+	status = -1;
+	if (waitpid(pid2, &status, 0) != pid2) {
+		perror("Unable to wait the child\n");
+		return ksft_exit_fail();
 	}
 
-	waitpid(pid2, &status, P_ALL);
+	if (WIFEXITED(status))
+		return WEXITSTATUS(status);
 
-	return ksft_exit_pass();
+	return ksft_exit_fail();
 }
diff --git a/tools/testing/selftests/kselftest.h b/tools/testing/selftests/kselftest.h
index 572c888..a0ec8b8 100644
--- a/tools/testing/selftests/kselftest.h
+++ b/tools/testing/selftests/kselftest.h
@@ -58,5 +58,17 @@ static inline int ksft_exit_skip(void)
 {
 	exit(4);
 }
+static inline int ksft_exit(void)
+{
+	if (ksft_cnt.ksft_fail)
+		return ksft_exit_fail();
+	if (ksft_cnt.ksft_xpass)
+		return ksft_exit_xpass();
+	if (ksft_cnt.ksft_xskip)
+		return ksft_exit_skip();
+	if (ksft_cnt.ksft_xfail)
+		return ksft_exit_xfail();
+	ksft_exit_pass();
+}
 
 #endif /* __KSELFTEST_H */
-- 
2.1.0

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