fix possible crash in asyncio

kumaraditya303 · Sep 19, 2024 · c429deb · c429deb
1 parent 7331d0f
commit c429deb
Showing 1 changed file with 1 addition and 8 deletions.
diff --git a/Modules/_asynciomodule.c b/Modules/_asynciomodule.c
@@ -434,14 +434,7 @@ future_schedule_callbacks(asyncio_state *state, FutureObj *fut)
         return 0;
     }
 
-    len = PyList_GET_SIZE(fut->fut_callbacks);
-    if (len == 0) {
-        /* The list of callbacks was empty; clear it and return. */
-        Py_CLEAR(fut->fut_callbacks);
-        return 0;
-    }
-
-    for (i = 0; i < len; i++) {
+    for (i = 0; i < PyList_GET_SIZE(fut->fut_callbacks); i++) {
         PyObject *cb_tup = PyList_GET_ITEM(fut->fut_callbacks, i);
         PyObject *cb = PyTuple_GET_ITEM(cb_tup, 0);
         PyObject *ctx = PyTuple_GET_ITEM(cb_tup, 1);