Fix handling of DHCP results with no nameserver

diff --git a/src/resolver.c b/src/resolver.c
index 481369e..3a11fe7 100644 (file)
--- a/src/resolver.c
+++ b/src/resolver.c
@@ -149,6 +149,9 @@ int connman_resolver_append(const char *interface, const char *domain,
 
        DBG("interface %s domain %s server %s", interface, domain, server);
 
+       if (server == NULL)
+               return -EINVAL;
+
        entry = g_try_new0(struct entry_data, 1);
        if (entry == NULL)
                return -ENOMEM;