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Subject[PATCH 09/24] selftests: ftrace: return Kselftest Skip code for skipped tests
Date
When ftrace 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@kernel.org>
---
tools/testing/selftests/ftrace/ftracetest | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/tools/testing/selftests/ftrace/ftracetest b/tools/testing/selftests/ftrace/ftracetest
index f9a9d424c980..b731c8cdcffb 100755
--- a/tools/testing/selftests/ftrace/ftracetest
+++ b/tools/testing/selftests/ftrace/ftracetest
@@ -23,6 +23,9 @@ echo " If <dir> is -, all logs output in console only"
exit $1
}

+# Kselftest framework requirement - SKIP code is 4.
+ksft_skip=4
+
errexit() { # message
echo "Error: $1" 1>&2
exit 1
@@ -30,7 +33,8 @@ errexit() { # message

# Ensuring user privilege
if [ `id -u` -ne 0 ]; then
- errexit "this must be run by root user"
+ echo "Skipping: test must be run by root user"
+ exit $ksft_skip
fi

# Utilities
@@ -249,7 +253,7 @@ trap 'SIG_RESULT=$UNTESTED' $SIG_UNTESTED
SIG_UNSUPPORTED=$((SIG_BASE + UNSUPPORTED))
exit_unsupported () {
kill -s $SIG_UNSUPPORTED $SIG_PID
- exit 0
+ exit $ksft_skip
}
trap 'SIG_RESULT=$UNSUPPORTED' $SIG_UNSUPPORTED

--
2.14.1
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