Fixed issue with json output in vpp_api_test.

[vpp.git] / vpp-api-test / vat / api_format.c

diff --git a/vpp-api-test/vat/api_format.c b/vpp-api-test/vat/api_format.c
index a1a023b..b6f0902 100644 (file)
--- a/vpp-api-test/vat/api_format.c
+++ b/vpp-api-test/vat/api_format.c
@@ -587,6 +587,7 @@ static void vl_api_sw_interface_details_t_handler_json
     vat_json_object_add_uint(node, "link_up_down", mp->link_up_down);
     vat_json_object_add_uint(node, "link_duplex", mp->link_duplex);
     vat_json_object_add_uint(node, "link_speed", mp->link_speed);
+    vat_json_object_add_uint(node, "mtu", ntohs(mp->link_mtu));
     vat_json_object_add_uint(node, "sub_id", ntohl(mp->sub_id));
     vat_json_object_add_uint(node, "sub_dot1ad", mp->sub_dot1ad);
     vat_json_object_add_uint(node, "sub_number_of_tags", mp->sub_number_of_tags);
@@ -2427,7 +2428,8 @@ int exec (vat_main_t * vam)
     while (vat_time_now (vam) < timeout) {
         if (vam->result_ready == 1) {
             u8 * free_me;
-            fformat (vam->ofp, "%s", vam->shmem_result);
+            if (vam->shmem_result != NULL)
+                fformat (vam->ofp, "%s", vam->shmem_result);
             pthread_mutex_lock (&am->vlib_rp->mutex);
             oldheap = svm_push_data_heap (am->vlib_rp);