Fix: bt2: adjust reference counting of value objects

[babeltrace.git] / src / bindings / python / bt2 / bt2 / value.py

diff --git a/src/bindings/python/bt2/bt2/value.py b/src/bindings/python/bt2/bt2/value.py
index b6a5a4a1efc1c588b491836e162137e61daf4c77..2710d90330c8fa0849e055713d569fc8cf9f591f 100644 (file)
--- a/src/bindings/python/bt2/bt2/value.py
+++ b/src/bindings/python/bt2/bt2/value.py
@@ -30,7 +30,14 @@ import bt2
 
 
 def _create_from_ptr(ptr):
-    if ptr is None or ptr == native_bt.value_null:
+    if ptr is None:
+        return
+
+    # bt_value_null is translated to None.  However, we are given a reference
+    # to it that we are not going to manage anymore, since we don't create a
+    # Python wrapper for it.  Therefore put that reference immediately.
+    if ptr == native_bt.value_null:
+        bt2.value._Value._put_ref(ptr)
         return
 
     typeid = native_bt.value_get_type(ptr)