linux-kernel - [PATCH 2/3] selftests/clone3: report a correct number of fails

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Date:   Sun, 17 Nov 2019 22:47:49 -0800
From:   Andrei Vagin <avagin@...il.com>
To:     Christian Brauner <christian.brauner@...ntu.com>
Cc:     Adrian Reber <areber@...hat.com>, linux-kernel@...r.kernel.org,
        Andrei Vagin <avagin@...il.com>
Subject: [PATCH 2/3] selftests/clone3: report a correct number of fails

In clone3_set_tid, a few test cases are running in a child process.  And
right now, if one of these test cases fails, the whole test will exit
with the success status.

Signed-off-by: Andrei Vagin <avagin@...il.com>
---
 tools/testing/selftests/clone3/clone3_set_tid.c | 10 +++-------
 1 file changed, 3 insertions(+), 7 deletions(-)

diff --git a/tools/testing/selftests/clone3/clone3_set_tid.c b/tools/testing/selftests/clone3/clone3_set_tid.c
index e93369dcfe3b..9c19bae03661 100644
--- a/tools/testing/selftests/clone3/clone3_set_tid.c
+++ b/tools/testing/selftests/clone3/clone3_set_tid.c
@@ -316,7 +316,7 @@ int main(int argc, char *argv[])
 		 */
 		test_clone3_set_tid(set_tid, 3, CLONE_NEWPID, 0, 42, true);
 
-		child_exit(ksft_cnt.ksft_pass);
+		child_exit(ksft_cnt.ksft_fail);
 	}
 
 	close(pipe_1[1]);
@@ -366,12 +366,8 @@ int main(int argc, char *argv[])
 	if (!WIFEXITED(status))
 		ksft_test_result_fail("Child error\n");
 
-	if (WEXITSTATUS(status))
-		/*
-		 * Update the number of total tests with the tests from the
-		 * child processes.
-		 */
-		ksft_cnt.ksft_pass = WEXITSTATUS(status);
+	ksft_cnt.ksft_pass += 4 - (ksft_cnt.ksft_fail - WEXITSTATUS(status));
+	ksft_cnt.ksft_fail = WEXITSTATUS(status);
 
 	if (ns3 == pid && ns2 == 42 && ns1 == 1)
 		ksft_test_result_pass(
-- 
2.23.0