[Midnightbsd-cvs] src [8475] trunk/etc/rc.d/jail: only pass ip[56].addr when _addrl contains a value

[laffer1 at midnightbsd.org]

Revision: 8475
          http://svnweb.midnightbsd.org/src/?rev=8475
Author:   laffer1
Date:     2016-09-18 18:27:43 -0400 (Sun, 18 Sep 2016)
Log Message:
-----------
only pass ip[56].addr when _addrl contains a value

Modified Paths:
--------------
    trunk/etc/rc.d/jail

Modified: trunk/etc/rc.d/jail
===================================================================
--- trunk/etc/rc.d/jail	2016-09-18 22:26:32 UTC (rev 8474)
+++ trunk/etc/rc.d/jail	2016-09-18 22:27:43 UTC (rev 8475)
@@ -656,7 +656,8 @@
 		done
 
 		eval ${_setfib} jail -n ${_jail} ${_flags} -i -c path=${_rootdir} host.hostname=${_hostname} \
-			ip4.addr=\"${_addrl}\" ip6.addr=\"${_addr6l}\" ${_parameters} command=${_exec_start} > ${_tmp_jail} 2>&1 \
+			${_addrl:+ip4.addr=\"${_addrl}\"} ${_addr6l:+ip6.addr=\"${_addr6l}\"} \
+			${_parameters} command=${_exec_start} > ${_tmp_jail} 2>&1 \
 			</dev/null
 
 		if [ "$?" -eq 0 ] ; then