vpn: Free ip address before allocating a new one

Possible memory leak here as we might have ip address allocated
already.

diff --git a/plugins/vpn.c b/plugins/vpn.c
index 7a768c8..a0c6928 100644 (file)
--- a/plugins/vpn.c
+++ b/plugins/vpn.c
@@ -395,6 +395,7 @@ static int extract_ip(DBusMessageIter *array, int family,
                dbus_message_iter_next(&dict);
        }
 
+       connman_ipaddress_free(data->ip);
        data->ip = connman_ipaddress_alloc(family);
        if (data->ip == NULL)
                return -ENOMEM;