Do not panic on a ddb invocation with curproc == NULL, and don't try to userret() either on return.
Do not panic on a ddb invocation with curproc == NULL, and don't try to
userret() either on return.

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