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Subject[PATCH 22/24] selftests: memory-hotplug: return Kselftest Skip code for skipped tests
Date
When memory-hotplug test is skipped because of unmet dependencies and/or
unsupported configuration, it returns non-zero value hich is treated as a
fail by the Kselftest framework. This leads to false negative 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/memory-hotplug/mem-on-off-test.sh | 11 +++++++----
1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/tools/testing/selftests/memory-hotplug/mem-on-off-test.sh b/tools/testing/selftests/memory-hotplug/mem-on-off-test.sh
index ff4991704d07..b37585e6aa38 100755
--- a/tools/testing/selftests/memory-hotplug/mem-on-off-test.sh
+++ b/tools/testing/selftests/memory-hotplug/mem-on-off-test.sh
@@ -3,30 +3,33 @@

SYSFS=

+# Kselftest framework requirement - SKIP code is 4.
+ksft_skip=4
+
prerequisite()
{
msg="skip all tests:"

if [ $UID != 0 ]; then
echo $msg must be run as root >&2
- exit 0
+ exit $ksft_skip
fi

SYSFS=`mount -t sysfs | head -1 | awk '{ print $3 }'`

if [ ! -d "$SYSFS" ]; then
echo $msg sysfs is not mounted >&2
- exit 0
+ exit $ksft_skip
fi

if ! ls $SYSFS/devices/system/memory/memory* > /dev/null 2>&1; then
echo $msg memory hotplug is not supported >&2
- exit 0
+ exit $ksft_skip
fi

if ! grep -q 1 $SYSFS/devices/system/memory/memory*/removable; then
echo $msg no hot-pluggable memory >&2
- exit 0
+ exit $ksft_skip
fi
}

--
2.14.1
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