From: Philippe Proulx <eeppeliteloop@gmail.com>
Date: Mon, 17 Jul 2017 19:36:21 +0000 (-0400)
Subject: bt_notification_event_create(): create an empty CC priority map when NULL
X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=bbc83bc91fca27cc18e48b6bdbeb2ab3aefda7e2;p=deliverable%2Fbabeltrace.git

bt_notification_event_create(): create an empty CC priority map when NULL

Signed-off-by: Philippe Proulx <eeppeliteloop@gmail.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
---

diff --git a/lib/graph/notification/event.c b/lib/graph/notification/event.c
index 407961bf8..b56f556fb 100644
--- a/lib/graph/notification/event.c
+++ b/lib/graph/notification/event.c
@@ -174,11 +174,18 @@ struct bt_notification *bt_notification_event_create(struct bt_ctf_event *event,
 		goto error;
 	}
 
-	if (!cc_prio_map) {
-		BT_LOGW_STR("Invalid parameter: clock class priority map is NULL.");
-		goto error;
+	if (cc_prio_map) {
+		/* Function's reference, released at the end */
+		bt_get(cc_prio_map);
+	} else {
+		cc_prio_map = bt_clock_class_priority_map_create();
+		if (!cc_prio_map) {
+			BT_LOGE_STR("Cannot create empty clock class priority map.");
+			goto error;
+		}
 	}
 
+	assert(cc_prio_map);
 	event_class = bt_ctf_event_borrow_event_class(event);
 	assert(event_class);
 	BT_LOGD("Creating event notification object: "
@@ -248,6 +255,7 @@ struct bt_notification *bt_notification_event_create(struct bt_ctf_event *event,
 
 error:
 	bt_put(notification);
+	bt_put(cc_prio_map);
 	return NULL;
 }