From 1452bfcd9bbcb2f5bbb89fa38d01ce51dd9b6d44 Mon Sep 17 00:00:00 2001
From: Cy Schubert <cy@FreeBSD.org>
Date: Fri, 22 Apr 2022 09:03:08 -0700
Subject: [PATCH] libexec/rc.d/hostapd: Down/up interface when interface is
 specified

When no interface is specified results in a syntax error in the rc
script. Only execute poststart when an interface has been specified.

PR:		263358
Submitted by:	markj
Reported by:	Joshua Kinard <freebsd@kumba.dev>
Fixes:		0da2c91e64528d896f69d36670e25b4b4a140579
MFC after:	3 days
---
 libexec/rc/rc.d/hostapd | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/libexec/rc/rc.d/hostapd b/libexec/rc/rc.d/hostapd
index 7e1611350438..d2d8dd253efa 100755
--- a/libexec/rc/rc.d/hostapd
+++ b/libexec/rc/rc.d/hostapd
@@ -15,9 +15,11 @@ command=${hostapd_program}
 start_postcmd="hostapd_poststart"
 
 hostapd_poststart() {
-	ifconfig ${ifn} down
-	sleep 2
-	ifconfig ${ifn} up
+	if [ -n "$ifn" ]; then
+		ifconfig ${ifn} down
+		sleep 2
+		ifconfig ${ifn} up
+	fi
 }
 
 ifn="$2"