dnsproxy: Do not add NULL domains to the domain list

diff --git a/src/dnsproxy.c b/src/dnsproxy.c
index b7667a6..201c365 100644 (file)
--- a/src/dnsproxy.c
+++ b/src/dnsproxy.c
@@ -836,6 +836,9 @@ static void append_domain(const char *interface, const char *domain)
 
        DBG("interface %s domain %s", interface, domain);
 
+       if (domain == NULL)
+               return;
+
        for (list = server_list; list; list = list->next) {
                struct server_data *data = list->data;
                GList *dom_list;