On Thu, Mar 03, 2022 at 01:53:03PM -0800, Randy Dunlap <rdunlap@xxxxxxxxxxxxx> wrote: > > Isn't mere presence of the handler sufficient to filter those out? [1] > > What is [1] here? Please ignore, too much editing on my side. > I don't know of any case where "foo=2" should be passed to init if > there is a setup function for "foo=" defined. Good. I was asking because of the following semantics: - absent handler -- pass to init, - returns 0 -- filter out, - returns negative -- filter out, print message. > > (Richer reporting or -EINVAL is by my understanding now a different > > problem.) Regards, Michal