linux-kernel - [PATCH 05/24] selftests: efivarfs: return Kselftest Skip code for skipped tests

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Date:   Fri,  4 May 2018 19:13:09 -0600
From:   "Shuah Khan (Samsung OSG)" <shuah@...nel.org>
To:     shuah@...nel.org
Cc:     linux-kselftest@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH 05/24] selftests: efivarfs: return Kselftest Skip code for skipped tests

When efivarfs test is skipped because of unmet dependencies and/or
unsupported configuration, it returns 0 which is treated as a pass
by the Kselftest framework. This leads to false positive result even
when the test could not be run.

Change it to return kselftest skip code when a test gets skipped to
clearly report that the test could not be run.

Kselftest framework SKIP code is 4 and the framework prints appropriate
messages to indicate that the test is skipped.

Signed-off-by: Shuah Khan (Samsung OSG) <shuah@...nel.org>
---
 tools/testing/selftests/efivarfs/efivarfs.sh | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/tools/testing/selftests/efivarfs/efivarfs.sh b/tools/testing/selftests/efivarfs/efivarfs.sh
index c6d5790575ae..a47029a799d2 100755
--- a/tools/testing/selftests/efivarfs/efivarfs.sh
+++ b/tools/testing/selftests/efivarfs/efivarfs.sh
@@ -4,18 +4,21 @@
 efivarfs_mount=/sys/firmware/efi/efivars
 test_guid=210be57c-9849-4fc7-a635-e6382d1aec27
 
+# Kselftest framework requirement - SKIP code is 4.
+ksft_skip=4
+
 check_prereqs()
 {
 	local msg="skip all tests:"
 
 	if [ $UID != 0 ]; then
 		echo $msg must be run as root >&2
-		exit 0
+		exit $ksft_skip
 	fi
 
 	if ! grep -q "^\S\+ $efivarfs_mount efivarfs" /proc/mounts; then
 		echo $msg efivarfs is not mounted on $efivarfs_mount >&2
-		exit 0
+		exit $ksft_skip
 	fi
 }
 
-- 
2.14.1