Fix: don't access missing ctf trace when getting metadata

[babeltrace.git] / formats / lttng-live / lttng-live-comm.c

diff --git a/formats/lttng-live/lttng-live-comm.c b/formats/lttng-live/lttng-live-comm.c
index 2b793e5f357ba30079b884a01d9df4a5a08295a7..8059b338b095dd4672021946ae497b3f8a45f7dd 100644 (file)
--- a/formats/lttng-live/lttng-live-comm.c
+++ b/formats/lttng-live/lttng-live-comm.c
@@ -607,6 +607,11 @@ int append_metadata(struct lttng_live_ctx *ctx,
        struct lttng_live_viewer_stream *metadata;
        char *metadata_buf = NULL;
 
        struct lttng_live_viewer_stream *metadata;
        char *metadata_buf = NULL;
 

+       if (!viewer_stream->ctf_trace->handle) {
+               printf_verbose("append_metadata: trace handle not ready yet.\n");
+               return 0;
+       }
+

        printf_verbose("get_next_index: new metadata needed\n");
        ret = get_new_metadata(ctx, viewer_stream, &metadata_buf);
        if (ret < 0) {
        printf_verbose("get_next_index: new metadata needed\n");
        ret = get_new_metadata(ctx, viewer_stream, &metadata_buf);
        if (ret < 0) {