Hotfix: return correct value for orb_check() for never-published topics

2026-05-24 07:09:48 +08:00 · 2013-03-01 09:42:39 +01:00
parent 2e321f273c
commit 81594c1abc
1 changed files with 4 additions and 0 deletions
@@ -429,6 +429,10 @@ ORBDevNode::appears_updated(SubscriberData *sd)
 	/* avoid racing between interrupt and non-interrupt context calls */
 	irqstate_t state = irqsave();

+	/* check if this topic has been published yet, if not bail out */
+	if (_data == nullptr)
+		ret = false;
+
 	/*
 	 * If the subscriber's generation count matches the update generation
 	 * count, there has been no update from their perspective; if they