follow dhcp_* changes.

1 files changed, 7 insertions, 5 deletions

diff --git a/etc/pccard_ether b/etc/pccard_ether
index 88da801..69ea3d9 100755
--- a/etc/pccard_ether
+++ b/etc/pccard_ether
@@ -28,14 +28,16 @@ start_dhcp() {
 		sleep ${pccard_ether_delay}
 		;;
         esac
-	if [ -x "${dhcp_program}" ]; then
-		if [ `basename ${dhcp_program}` = "dhclient" ]; then
+	[ -n "$dhcp_program" ] && dhclient_program="$dhcp_program"
+	[ -n "$dhcp_flags" ] && dhclient_flags="$dhcp_flags"
+	if [ -x "${dhclient_program}" ]; then
+		if [ `basename ${dhclient_program}` = "dhclient" ]; then
 			pidfile="/var/run/dhclient.${interface}.pid"
-			dhcp_flags="${dhcp_flags} -pf ${pidfile}"
+			dhclient_flags="${dhclient_flags} -pf ${pidfile}"
 		fi
-		${dhcp_program} ${dhcp_flags} ${interface}
+		${dhclient_program} ${dhclient_flags} ${interface}
 	else
-		echo "${dhcp_program}: DHCP client software not available"
+		echo "${dhclient_program}: DHCP client software not available"
 	fi
 }