TAINT_PROPRIETARY_MODULE=1
TAINT_FORCED_MODULE=2
TAINT_UNSAFE_SMP=4
TAINT_FORCED_RMMOD=8
TAINT_MACHINE_CHECK=16
TAINT_BAD_PAGE=32

add_1tainted() {
  tainted=$(cat /proc/sys/kernel/tainted)
  if [ "$tainted" -gt 0 ]; then
    local s
    [ $(($tainted & $TAINT_PROPRIETARY_MODULE)) -ne 0 ] && s="P" || s="G"
    [ $(($tainted & $TAINT_FORCED_MODULE)) -ne 0 ] && s="${s}F" || s="$s "
    [ $(($tainted & $TAINT_UNSAFE_SMP)) -ne 0 ] && s="${s}S" || s="$s "
    [ $(($tainted & $TAINT_FORCED_RMMOD)) -ne 0 ] && s="${s}R" || s="$s "
    [ $(($tainted & $TAINT_MACHINE_CHECK)) -ne 0 ] && s="${s}M" || s="$s "
    [ $(($tainted & $TAINT_BAD_PAGE)) -ne 0 ] && s="${s}B" || s="$s "
    echo '** Tainted:' $s "($tainted)" >&3
    echo >&3
  else
    echo '** Not tainted' >&3
    echo >&3
  fi
}

ask_1tainted() {
  true
}