linux-kernel - [PATCH] selftests/breakpoints:Add return value in main function

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Message-Id: <20240701060634.4827-1-zhujun2@cmss.chinamobile.com>
Date: Sun, 30 Jun 2024 23:06:34 -0700
From: Zhu Jun <zhujun2@...s.chinamobile.com>
To: shuah@...nel.org
Cc: zhujun2@...s.chinamobile.com,
	angquan21@...il.com,
	linux-kselftest@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH] selftests/breakpoints:Add return value in main function

Main function return value is int type, so add return
value in the end

Signed-off-by: Zhu Jun <zhujun2@...s.chinamobile.com>
---
 .../testing/selftests/breakpoints/step_after_suspend_test.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/tools/testing/selftests/breakpoints/step_after_suspend_test.c b/tools/testing/selftests/breakpoints/step_after_suspend_test.c
index dfec31fb9b30..37a83e3bbe7a 100644
--- a/tools/testing/selftests/breakpoints/step_after_suspend_test.c
+++ b/tools/testing/selftests/breakpoints/step_after_suspend_test.c
@@ -166,7 +166,7 @@ int main(int argc, char **argv)
 	bool succeeded = true;
 	unsigned int tests = 0;
 	cpu_set_t available_cpus;
-	int err;
+	int err = 0;
 	int cpu;
 
 	ksft_print_header();
@@ -184,7 +184,7 @@ int main(int argc, char **argv)
 	}
 
 	err = sched_getaffinity(0, sizeof(available_cpus), &available_cpus);
-	if (err < 0)
+	if (err < 0) 
 		ksft_exit_fail_msg("sched_getaffinity() failed\n");
 
 	for (cpu = 0; cpu < CPU_SETSIZE; cpu++) {
@@ -222,4 +222,6 @@ int main(int argc, char **argv)
 		ksft_exit_pass();
 	else
 		ksft_exit_fail();
+
+	return err;
 }
-- 
2.17.1