fix: optional fields

[babeltrace.git] / plugins / lttng-utils / copy.c

diff --git a/plugins/lttng-utils/copy.c b/plugins/lttng-utils/copy.c
index 2689a703a44aa978ea560d37cbbd7bea27092fed..14cc12742113df5b7b65fc9051120bfea3149147 100644 (file)
--- a/plugins/lttng-utils/copy.c
+++ b/plugins/lttng-utils/copy.c
@@ -1474,21 +1474,18 @@ struct bt_ctf_event *debug_info_copy_event(FILE *err, struct bt_ctf_event *event
                goto error;
        }
 
+       /* Optional field, so it can fail silently. */
        field = bt_ctf_event_get_header(event);
-       if (!field) {
-               fprintf(err, "[error] %s in %s:%d\n", __func__,
-                               __FILE__, __LINE__);
-               goto error;
-       }
-
-       ret = ctf_copy_event_header(err, event, writer_event_class,
-                       writer_event, field);
-       if (ret) {
-               fprintf(err, "[error] %s in %s:%d\n", __func__,
-                               __FILE__, __LINE__);
-               goto error;
+       if (field) {
+               ret = ctf_copy_event_header(err, event, writer_event_class,
+                               writer_event, field);
+               if (ret) {
+                       fprintf(err, "[error] %s in %s:%d\n", __func__,
+                                       __FILE__, __LINE__);
+                       goto error;
+               }
+               BT_PUT(field);
        }
-       BT_PUT(field);
 
        /* Optional field, so it can fail silently. */
        field = bt_ctf_event_get_stream_event_context(event);
@@ -1506,8 +1503,13 @@ struct bt_ctf_event *debug_info_copy_event(FILE *err, struct bt_ctf_event *event
 
        /* Optional field, so it can fail silently. */
        field = bt_ctf_event_get_event_context(event);
-       copy_field = bt_ctf_field_copy(field);
-       if (copy_field) {
+       if (field) {
+               copy_field = bt_ctf_field_copy(field);
+               if (!copy_field) {
+                       fprintf(err, "[error] %s in %s:%d\n", __func__,
+                                       __FILE__, __LINE__);
+                       goto error;
+               }
                ret = bt_ctf_event_set_event_context(writer_event, copy_field);
                if (ret < 0) {
                        fprintf(err, "[error] %s in %s:%d\n", __func__,
@@ -1515,8 +1517,8 @@ struct bt_ctf_event *debug_info_copy_event(FILE *err, struct bt_ctf_event *event
                        goto error;
                }
                BT_PUT(copy_field);
+               BT_PUT(field);
        }
-       BT_PUT(field);
 
        field = bt_ctf_event_get_event_payload(event);
        if (!field) {