From: Dino Viehland <dinoviehland@meta.com>
Date: Thu, 2 May 2024 20:03:29 +0000 (-0700)
Subject: gh-118519: Fix empty weakref list check (#118520)
X-Git-Tag: v3.13.0b1~147
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e54b0c8a4ad6c6e958245eb3ea4ecc47e0f97ff0;p=thirdparty%2FPython%2Fcpython.git

gh-118519: Fix empty weakref list check (#118520)

Fix empty list check
---

diff --git a/Objects/weakrefobject.c b/Objects/weakrefobject.c
index 93c5fe3aacec..88afaec86827 100644
--- a/Objects/weakrefobject.c
+++ b/Objects/weakrefobject.c
@@ -988,7 +988,7 @@ PyObject_ClearWeakRefs(PyObject *object)
     }
 
     list = GET_WEAKREFS_LISTPTR(object);
-    if (FT_ATOMIC_LOAD_PTR(list) == NULL) {
+    if (FT_ATOMIC_LOAD_PTR(*list) == NULL) {
         // Fast path for the common case
         return;
     }