Unbreak genio (how could I commit that garbage?).
Unbreak genio (how could I commit that garbage?).

Let ktrwrite return an error if the write failed so that we won't loop in
genio writing to a full disk (or whatever other error happened).

orumin/openbsd-efivars,orumin/openbsd-efivars,orumin/openbsd-efivars,orumin/openbsd-efivars