Stop dhcpcd before starting if it was running

src/initscripts/init.d/networking/red

@@ -124,6 +124,35 @@ case "${1}" in
 			run_subdir ${rc_base}/init.d/networking/red.up/
 			
 		elif [ "${TYPE}" == "DHCP" ]; then
+
+			if [ -e $LEASEINFO ]; then
+				boot_mesg -n "Stopping dhcpcd on the ${DEVICE} interface..."
+				. $LEASEINFO
+				if [ "$LEASETIME" = "4294967295" ]; then
+					# do nothing, just echo ok
+					echo ""
+					echo_ok
+				else
+					if [ -n "$DHCP_STOP" ]; then
+						/sbin/dhcpcd ${DEVICE} $DHCP_STOP &> /dev/null
+						RET="$?"
+						if [ "$RET" -eq 0 ]; then
+							echo ""
+							echo_ok
+						elif [ "$RET" -eq 1 ]; then
+							boot_mesg "dhcpcd not running!" ${WARNING}
+							echo_warning
+						else
+							echo ""
+							echo_failure
+						fi
+					else
+						echo ""
+						killproc dhcpcd
+					fi
+				fi
+			fi
+
 			boot_mesg -n "Starting dhcpcd on the ${DEVICE} interface..."		
 			echo -n "${DEVICE}" > /var/ipfire/red/iface