Docs: add comment about bt_ctf_trace_add_stream_class validation

Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>

diff --git a/formats/ctf/ir/trace.c b/formats/ctf/ir/trace.c
index 5abfcc79c7ef197db758c781e6c4180a28b28776..0943e8f97c123aed0c1315ce5a9d579415d6ca16 100644 (file)
--- a/formats/ctf/ir/trace.c
+++ b/formats/ctf/ir/trace.c
@@ -443,6 +443,7 @@ int bt_ctf_trace_add_stream_class(struct bt_ctf_trace *trace,
 
        for (i = 0; i < trace->stream_classes->len; i++) {
                if (trace->stream_classes->pdata[i] == stream_class) {
+                       /* Stream already registered to the trace */
                        ret = -1;
                        goto end;
                }