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Subject[PATCH 10/24] selftests: gpio: return Kselftest Skip code for skipped tests
Date
When gpio test is skipped because of unmet dependencies and/or
unsupported configuration, it exits with error which 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/gpio/gpio-mockup.sh | 12 ++++++++----
1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/tools/testing/selftests/gpio/gpio-mockup.sh b/tools/testing/selftests/gpio/gpio-mockup.sh
index 183fb932edbd..7f35b9880485 100755
--- a/tools/testing/selftests/gpio/gpio-mockup.sh
+++ b/tools/testing/selftests/gpio/gpio-mockup.sh
@@ -2,10 +2,11 @@
# SPDX-License-Identifier: GPL-2.0

#exit status
-#1: run as non-root user
+#1: Internal error
#2: sysfs/debugfs not mount
#3: insert module fail when gpio-mockup is a module.
-#4: other reason.
+#4: Skip test including run as non-root user.
+#5: other reason.

SYSFS=
GPIO_SYSFS=
@@ -15,6 +16,9 @@ GPIO_DEBUGFS=
dev_type=
module=

+# Kselftest framework requirement - SKIP code is 4.
+ksft_skip=4
+
usage()
{
echo "Usage:"
@@ -34,7 +38,7 @@ prerequisite()
msg="skip all tests:"
if [ $UID != 0 ]; then
echo $msg must be run as root >&2
- exit 1
+ exit $ksft_skip
fi
SYSFS=`mount -t sysfs | head -1 | awk '{ print $3 }'`
if [ ! -d "$SYSFS" ]; then
@@ -73,7 +77,7 @@ remove_module()
die()
{
remove_module
- exit 4
+ exit 5
}

test_chips()
--
2.14.1
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