linux-kernel - [PATCH v3 4/8] selftests/pidfd: Fix ksft print formats

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Date:   Fri, 22 Sep 2023 11:06:40 +0200
From:   Maciej Wieczor-Retman <maciej.wieczor-retman@...el.com>
To:     Christian Brauner <brauner@...nel.org>,
        Shuah Khan <shuah@...nel.org>,
        Christian Kellner <christian@...lner.me>
Cc:     ilpo.jarvinen@...ux.intel.com, linux-kernel@...r.kernel.org,
        linux-kselftest@...r.kernel.org
Subject: [PATCH v3 4/8] selftests/pidfd: Fix ksft print formats

Many calls to ksft print functions have format strings that don't match
with other passed arguments. One call expects a string but doesn't
provide any argument after the format string.

Fix format specifiers so they match the passed variables.

Add a missing variable to ksft_test_result_pass() inside
pidfd_fdinfo_test() so it matches other cases in the switch statement.

Fixes: 2def297ec7fb ("pidfd: add tests for NSpid info in fdinfo")

Signed-off-by: Maciej Wieczor-Retman <maciej.wieczor-retman@...el.com>
---
Changelog v2:
- Add fixes tag to patch message.

 tools/testing/selftests/pidfd/pidfd_fdinfo_test.c |  2 +-
 tools/testing/selftests/pidfd/pidfd_test.c        | 12 ++++++------
 2 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/tools/testing/selftests/pidfd/pidfd_fdinfo_test.c b/tools/testing/selftests/pidfd/pidfd_fdinfo_test.c
index 4e86f927880c..01cc37bf611c 100644
--- a/tools/testing/selftests/pidfd/pidfd_fdinfo_test.c
+++ b/tools/testing/selftests/pidfd/pidfd_fdinfo_test.c
@@ -62,7 +62,7 @@ static void error_report(struct error *err, const char *test_name)
 		break;
 
 	case PIDFD_PASS:
-		ksft_test_result_pass("%s test: Passed\n");
+		ksft_test_result_pass("%s test: Passed\n", test_name);
 		break;
 
 	default:
diff --git a/tools/testing/selftests/pidfd/pidfd_test.c b/tools/testing/selftests/pidfd/pidfd_test.c
index 00a07e7c571c..c081ae91313a 100644
--- a/tools/testing/selftests/pidfd/pidfd_test.c
+++ b/tools/testing/selftests/pidfd/pidfd_test.c
@@ -381,13 +381,13 @@ static int test_pidfd_send_signal_syscall_support(void)
 
 static void *test_pidfd_poll_exec_thread(void *priv)
 {
-	ksft_print_msg("Child Thread: starting. pid %d tid %d ; and sleeping\n",
+	ksft_print_msg("Child Thread: starting. pid %d tid %ld ; and sleeping\n",
 			getpid(), syscall(SYS_gettid));
 	ksft_print_msg("Child Thread: doing exec of sleep\n");
 
 	execl("/bin/sleep", "sleep", str(CHILD_THREAD_MIN_WAIT), (char *)NULL);
 
-	ksft_print_msg("Child Thread: DONE. pid %d tid %d\n",
+	ksft_print_msg("Child Thread: DONE. pid %d tid %ld\n",
 			getpid(), syscall(SYS_gettid));
 	return NULL;
 }
@@ -427,7 +427,7 @@ static int child_poll_exec_test(void *args)
 {
 	pthread_t t1;
 
-	ksft_print_msg("Child (pidfd): starting. pid %d tid %d\n", getpid(),
+	ksft_print_msg("Child (pidfd): starting. pid %d tid %ld\n", getpid(),
 			syscall(SYS_gettid));
 	pthread_create(&t1, NULL, test_pidfd_poll_exec_thread, NULL);
 	/*
@@ -480,10 +480,10 @@ static void test_pidfd_poll_exec(int use_waitpid)
 
 static void *test_pidfd_poll_leader_exit_thread(void *priv)
 {
-	ksft_print_msg("Child Thread: starting. pid %d tid %d ; and sleeping\n",
+	ksft_print_msg("Child Thread: starting. pid %d tid %ld ; and sleeping\n",
 			getpid(), syscall(SYS_gettid));
 	sleep(CHILD_THREAD_MIN_WAIT);
-	ksft_print_msg("Child Thread: DONE. pid %d tid %d\n", getpid(), syscall(SYS_gettid));
+	ksft_print_msg("Child Thread: DONE. pid %d tid %ld\n", getpid(), syscall(SYS_gettid));
 	return NULL;
 }
 
@@ -492,7 +492,7 @@ static int child_poll_leader_exit_test(void *args)
 {
 	pthread_t t1, t2;
 
-	ksft_print_msg("Child: starting. pid %d tid %d\n", getpid(), syscall(SYS_gettid));
+	ksft_print_msg("Child: starting. pid %d tid %ld\n", getpid(), syscall(SYS_gettid));
 	pthread_create(&t1, NULL, test_pidfd_poll_leader_exit_thread, NULL);
 	pthread_create(&t2, NULL, test_pidfd_poll_leader_exit_thread, NULL);
 
-- 
2.42.0