Prevent processes from entering iwm_ioctl while another process is tsleep'ing in it. From iwn(4).
Prevent processes from entering iwm_ioctl while another process is
tsleep'ing in it. From iwn(4).

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