[tip: timers/vdso] selftests: vDSO: vdso_test_getrandom: Always print TAP header

[tip-bot2 for Thomas Weißschuh]

The following commit has been merged into the timers/vdso branch of tip:

Commit-ID:     1158220b24674edaf885433153deb4f0e5c7d331
Gitweb:        https://git.kernel.org/tip/1158220b24674edaf885433153deb4f0e5c7d331
Author:        Thomas Weißschuh <thomas.weissschuh@xxxxxxxxxxxxx>
AuthorDate:    Wed, 11 Jun 2025 12:33:58 +02:00
Committer:     Thomas Gleixner <tglx@xxxxxxxxxxxxx>
CommitterDate: Tue, 01 Jul 2025 15:50:42 +02:00

selftests: vDSO: vdso_test_getrandom: Always print TAP header

The TAP specification requires that the output begins with a header line.
If vgetrandom_init() fails and skips the test, that header line is missing.

Call vgetrandom_init() after ksft_print_header().

Signed-off-by: Thomas Weißschuh <thomas.weissschuh@xxxxxxxxxxxxx>
Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Reviewed-by: Muhammad Usama Anjum <usama.anjum@xxxxxxxxxxxxx>
Link: https://lore.kernel.org/all/20250611-selftests-vdso-fixes-v3-8-e62e37a6bcf5@xxxxxxxxxxxxx

---
 tools/testing/selftests/vDSO/vdso_test_getrandom.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/tools/testing/selftests/vDSO/vdso_test_getrandom.c b/tools/testing/selftests/vDSO/vdso_test_getrandom.c
index 389ead4..dd11325 100644
--- a/tools/testing/selftests/vDSO/vdso_test_getrandom.c
+++ b/tools/testing/selftests/vDSO/vdso_test_getrandom.c
@@ -242,6 +242,7 @@ static void kselftest(void)
 	pid_t child;
 
 	ksft_print_header();
+	vgetrandom_init();
 	ksft_set_plan(2);
 
 	for (size_t i = 0; i < 1000; ++i) {
@@ -295,8 +296,6 @@ static void usage(const char *argv0)
 
 int main(int argc, char *argv[])
 {
-	vgetrandom_init();
-
 	if (argc == 1) {
 		kselftest();
 		return 0;
@@ -306,6 +305,9 @@ int main(int argc, char *argv[])
 		usage(argv[0]);
 		return 1;
 	}
+
+	vgetrandom_init();
+
 	if (!strcmp(argv[1], "bench-single"))
 		bench_single();
 	else if (!strcmp(argv[1], "bench-multi"))