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#!/bin/sh
# SPDX-License-Identifier: GPL-2.0
# Copyright 2026 Google LLC
BASE_DIR=`dirname $0`
MODULE="gpio-cdev-uaf"
fail() {
echo "$*" >&2
echo "GPIO $MODULE test FAIL"
exit 1
}
skip() {
echo "$*" >&2
echo "GPIO $MODULE test SKIP"
exit 4
}
# Load the gpio-sim module. This will pull in configfs if needed too.
modprobe gpio-sim || skip "unable to load the gpio-sim module"
# Make sure configfs is mounted at /sys/kernel/config. Wait a bit if needed.
for _ in `seq 5`; do
mountpoint -q /sys/kernel/config && break
mount -t configfs none /sys/kernel/config
sleep 0.1
done
mountpoint -q /sys/kernel/config || \
skip "configfs not mounted at /sys/kernel/config"
echo "1. GPIO"
echo "1.1. poll"
$BASE_DIR/gpio-cdev-uaf chip poll || fail "failed to test chip poll"
echo "1.2. read"
$BASE_DIR/gpio-cdev-uaf chip read || fail "failed to test chip read"
echo "1.3. ioctl"
$BASE_DIR/gpio-cdev-uaf chip ioctl || fail "failed to test chip ioctl"
echo "2. linehandle"
echo "2.1. ioctl"
$BASE_DIR/gpio-cdev-uaf handle ioctl || fail "failed to test handle ioctl"
echo "3. lineevent"
echo "3.1. read"
$BASE_DIR/gpio-cdev-uaf event read || fail "failed to test event read"
echo "3.2. poll"
$BASE_DIR/gpio-cdev-uaf event poll || fail "failed to test event poll"
echo "3.3. ioctl"
$BASE_DIR/gpio-cdev-uaf event ioctl || fail "failed to test event ioctl"
echo "4. linereq"
echo "4.1. read"
$BASE_DIR/gpio-cdev-uaf req read || fail "failed to test req read"
echo "4.2. poll"
$BASE_DIR/gpio-cdev-uaf req poll || fail "failed to test req poll"
echo "4.3. ioctl"
$BASE_DIR/gpio-cdev-uaf req ioctl || fail "failed to test req ioctl"
echo "GPIO $MODULE test PASS"
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