X-Git-Url: http://git.efficios.com/?p=babeltrace.git;a=blobdiff_plain;f=formats%2Fctf%2Fir%2Fstream-class.c;h=058f4b29ecd1765f6a7d0521d58c02eb559a73c5;hp=6f1ec13e0501213222b1d55efb68527e3a5ccc11;hb=739a93c79685bd9d9bd34bdb6f7a12089fa91256;hpb=de52f946293c27220e1b63f3da5d4f068fd43479

diff --git a/formats/ctf/ir/stream-class.c b/formats/ctf/ir/stream-class.c
index 6f1ec13e..058f4b29 100644
--- a/formats/ctf/ir/stream-class.c
+++ b/formats/ctf/ir/stream-class.c
@@ -151,7 +151,7 @@ int bt_ctf_stream_class_set_id(struct bt_ctf_stream_class *stream_class,
 {
 	int ret = 0;
 
-	if (!stream_class) {
+	if (!stream_class || stream_class->frozen) {
 		ret = -1;
 		goto end;
 	}