bpo-42866: Fix refleak in CJK getcodec() (GH-24165)

Fix a reference leak in the getcodec() function of CJK codecs.

diff --git a/Misc/NEWS.d/next/Library/2021-01-08-10-57-21.bpo-42866.Y1DnrO.rst b/Misc/NEWS.d/next/Library/2021-01-08-10-57-21.bpo-42866.Y1DnrO.rst
new file mode 100644 (file)
index 0000000..3ea6cc2
--- /dev/null
+++ b/Misc/NEWS.d/next/Library/2021-01-08-10-57-21.bpo-42866.Y1DnrO.rst
@@ -0,0 +1,2 @@
+Fix a reference leak in the ``getcodec()`` function of CJK codecs. Patch by
+Victor Stinner.

diff --git a/Modules/cjkcodecs/cjkcodecs.h b/Modules/cjkcodecs/cjkcodecs.h
index 3b89bc93ed142b64a43efd57587bac8eced1af73..ba8fad26055a8be7e1d2f8ea070690c90008723e 100644 (file)
--- a/Modules/cjkcodecs/cjkcodecs.h
+++ b/Modules/cjkcodecs/cjkcodecs.h
@@ -291,6 +291,7 @@ getcodec(PyObject *self, PyObject *encoding)
 
     r = PyObject_CallOneArg(cofunc, codecobj);
     Py_DECREF(codecobj);
+    Py_DECREF(cofunc);
 
     return r;
 }