linux-kernel - [PATCH 1/2] selftests: arm64: tags_test: conform test to TAP output

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Date: Sun,  2 Jun 2024 18:24:59 +0500
From: Muhammad Usama Anjum <usama.anjum@...labora.com>
To: Catalin Marinas <catalin.marinas@....com>,
	Will Deacon <will@...nel.org>,
	Shuah Khan <shuah@...nel.org>,
	Muhammad Usama Anjum <usama.anjum@...labora.com>,
	Kunwu Chan <chentao@...inos.cn>
Cc: kernel@...labora.com,
	linux-arm-kernel@...ts.infradead.org,
	linux-kselftest@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH 1/2] selftests: arm64: tags_test: conform test to TAP output

Conform the layout, informational and status messages to TAP. No
functional change is intended other than the layout of output messages.

Signed-off-by: Muhammad Usama Anjum <usama.anjum@...labora.com>
---
 tools/testing/selftests/arm64/tags/tags_test.c | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/tools/testing/selftests/arm64/tags/tags_test.c b/tools/testing/selftests/arm64/tags/tags_test.c
index 955f87c1170d7..8ae26e496c89c 100644
--- a/tools/testing/selftests/arm64/tags/tags_test.c
+++ b/tools/testing/selftests/arm64/tags/tags_test.c
@@ -17,19 +17,21 @@ int main(void)
 	static int tbi_enabled = 0;
 	unsigned long tag = 0;
 	struct utsname *ptr;
-	int err;
+
+	ksft_print_header();
+	ksft_set_plan(1);
 
 	if (prctl(PR_SET_TAGGED_ADDR_CTRL, PR_TAGGED_ADDR_ENABLE, 0, 0, 0) == 0)
 		tbi_enabled = 1;
 	ptr = (struct utsname *)malloc(sizeof(*ptr));
 	if (!ptr)
-		ksft_exit_fail_msg("Failed to allocate utsname buffer\n");
+		ksft_exit_fail_perror("Failed to allocate utsname buffer");
 
 	if (tbi_enabled)
 		tag = 0x42;
 	ptr = (struct utsname *)SET_TAG(ptr, tag);
-	err = uname(ptr);
+	ksft_test_result(!uname(ptr), "Syscall successful with tagged address\n");
 	free(ptr);
 
-	return err;
+	ksft_finished();
 }
-- 
2.39.2