DO NOT MERGE Change IP renew service name

- Change invalid service name (dhcpcd_renew -> iprenew)
- Remove condition which checks status of renew service.
- Remove unused variable.

Change-Id: Ic4ae7fb950baf4bd7286088a945a48ab5fe64e91

libnetutils/dhcp_utils.c

@@ -28,9 +28,7 @@ static const char DAEMON_NAME[]        = "dhcpcd";
 static const char DAEMON_PROP_NAME[]   = "init.svc.dhcpcd";
 static const char HOSTNAME_PROP_NAME[] = "net.hostname";
 static const char DHCP_PROP_NAME_PREFIX[]  = "dhcp";
-static const char DAEMON_NAME_RENEW[]  = "dhcpcd_renew";
-static const char DAEMON_PROP_NAME_RENEW[]  = "init.svc.dhcpcd_renew";
-static const char DHCP_PROP_NAME_RENEW_PREFIX[]  = "dhcp_renew";
+static const char DAEMON_NAME_RENEW[]  = "iprenew";
 static const int  NAP_TIME = 1;   /* wait for 1 second at a time */
                                   /* when polling for property values */
 static char errmsg[100];
@@ -254,18 +252,12 @@ int dhcp_do_request_renew(const char *interface,
                     uint32_t  *lease)
 {
     char result_prop_name[PROPERTY_KEY_MAX];
-    char daemon_prop_name[PROPERTY_KEY_MAX];
     char prop_value[PROPERTY_VALUE_MAX] = {'\0'};
     char daemon_cmd[PROPERTY_VALUE_MAX * 2];
     const char *ctrl_prop = "ctl.start";
-    const char *desired_status = "running";
 
     snprintf(result_prop_name, sizeof(result_prop_name), "%s.%s.result",
-            DHCP_PROP_NAME_RENEW_PREFIX,
-            interface);
-
-    snprintf(daemon_prop_name, sizeof(daemon_prop_name), "%s_%s",
-            DAEMON_PROP_NAME_RENEW,
+            DHCP_PROP_NAME_PREFIX,
             interface);
 
     /* Erase any previous setting of the dhcp result property */
@@ -275,10 +267,6 @@ int dhcp_do_request_renew(const char *interface,
     snprintf(daemon_cmd, sizeof(daemon_cmd), "%s_%s:%s", DAEMON_NAME_RENEW, interface, interface);
     memset(prop_value, '\0', PROPERTY_VALUE_MAX);
     property_set(ctrl_prop, daemon_cmd);
-    if (wait_for_property(daemon_prop_name, desired_status, 10) < 0) {
-        snprintf(errmsg, sizeof(errmsg), "%s", "Timed out waiting for dhcpcd Renew to start");
-        return -1;
-    }
 
     /* Wait for the daemon to return a result */
     if (wait_for_property(result_prop_name, NULL, 30) < 0) {