zebra: don't print stale text if no GR info

Don't print GR show output header if no GR info is present
for a zapi client.

Signed-off-by: Mark Stapp <mjs@voltanet.io>

diff --git a/zebra/zserv.c b/zebra/zserv.c
index e628dc6052b176501398aaa0ea71bb864101dc42..26023173b53e73fe1da585ecda3aef1712a5fb55 100644 (file)
--- a/zebra/zserv.c
+++ b/zebra/zserv.c
@@ -1108,12 +1108,17 @@ static void zebra_show_stale_client_detail(struct vty *vty,
 
        TAILQ_FOREACH (info, &client->gr_info_queue, gr_info) {
                if (first_p) {
+                       vty_out(vty, "Stale Client Information\n");
+                       vty_out(vty, "------------------------\n");
+
                        if (client->instance)
                                vty_out(vty, " Instance: %u", client->instance);
                        if (client->session_id)
                                vty_out(vty, " [%u]", client->session_id);
+
                        first_p = false;
                }
+
                vty_out(vty, "VRF : %s\n", vrf_id_to_name(info->vrf_id));
                vty_out(vty, "Capabilities : ");
                switch (info->capabilities) {
@@ -1248,8 +1253,7 @@ DEFUN (show_zebra_client,
 
        for (ALL_LIST_ELEMENTS_RO(zrouter.client_list, node, client)) {
                zebra_show_client_detail(vty, client);
-               vty_out(vty, "Stale Client Information\n");
-               vty_out(vty, "------------------------\n");
+               /* Show GR info if present */
                zebra_show_stale_client_detail(vty, client);
        }