X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=lib%2Fgraph%2Fcomponent.c;h=9ed599448880b647d4d122fd9c50c2d8bb297cde;hb=bd14d76835630e092320c8a04300088242dcdc99;hp=c541985b3326b52f374829f877ba162f3aa835db;hpb=4a6b963eb0e4e9545deacfc74d81d3b9f96f060f;p=babeltrace.git

diff --git a/lib/graph/component.c b/lib/graph/component.c
index c541985b..9ed59944 100644
--- a/lib/graph/component.c
+++ b/lib/graph/component.c
@@ -78,6 +78,16 @@ void bt_component_destroy(struct bt_object *obj)
 		return;
 	}
 
+	/*
+	 * The component's reference count is 0 if we're here. Increment
+	 * it to avoid a double-destroy (possibly infinitely recursive).
+	 * This could happen for example if the component's finalization
+	 * function does bt_get() (or anything that causes bt_get() to
+	 * be called) on itself (ref. count goes from 0 to 1), and then
+	 * bt_put(): the reference count would go from 1 to 0 again and
+	 * this function would be called again.
+	 */
+	obj->ref_count.count++;
 	component = container_of(obj, struct bt_component, base);
 
 	/* Call destroy listeners in reverse registration order */