#!/bin/sh

before="$(uname -r)"
echo before: "$before"

if ! modprobe -a uname; then
	echo "Could not load module!"
	exit 1
fi
after="$(uname -r)"
echo after: "$after"

if ! rmmod uname; then
	echo "Fail while unloading module"
	exit 1
fi
restore="$(uname -r)"
echo restoring: "$restore"

[ "$before" = "$after" ] && exit
[ "$before" != "$restore" ] && exit