81a16edc2f
Check if pf.ko is loaded (i.e. /dev/pf exists) before trying to use it. This means that '/etc/rc.d/pf status' will no longer return 'pfctl: /dev/pf: No such file or directory' but 'pf.ko is not loaded'. PR: 205671 Submitted by: Johannes Jost Meixner <xmj@FreeBSD.org>