Missing patch prefix. On Sat, Sep 25, 2021 at 10:04:30PM +0200, Michael Estner wrote: > To avoid chrashing the kernel I use WARN_ON instead. > This is not actually the difference at all. You are doing something without really understand it. If we wanted to, we could do this automically with a Perl script but it really is better if someone can look at it and think about it a bit. regards, dan carpenter