From dfed725e2c351676174ed2e046fe6c5288e21488 Mon Sep 17 00:00:00 2001
From: Guido van Rossum <guido@python.org>
Date: Tue, 11 Nov 1997 16:29:38 +0000
Subject: [PATCH] Fix memory leak in exec statement with code object -- the
 None returned by PyEval_EvalCode() on success was never DECREF'ed.

Fix by Bernhard Herzog.
---
 Python/ceval.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/Python/ceval.c b/Python/ceval.c
index dd7faf945ce..fb179d1aa6e 100644
--- a/Python/ceval.c
+++ b/Python/ceval.c
@@ -2773,9 +2773,11 @@ exec_statement(f, prog, globals, locals)
 	if (PyDict_GetItemString(globals, "__builtins__") == NULL)
 		PyDict_SetItemString(globals, "__builtins__", f->f_builtins);
 	if (PyCode_Check(prog)) {
-		if (PyEval_EvalCode((PyCodeObject *) prog,
-				    globals, locals) == NULL)
+		v = PyEval_EvalCode((PyCodeObject *) prog,
+				    globals, locals);
+		if (v == NULL)
 			return -1;
+		Py_DECREF(v);
 		return 0;
 	}
 	if (PyFile_Check(prog)) {