bpo-46606: Remove redundant +1. (GH-31561)

diff --git a/Modules/posixmodule.c b/Modules/posixmodule.c
index 5e942c43dd6c7875cf037b7b10e426ab6e22bb96..d3cfc828184e58d033731b8fd12a1cb97d0d3b7b 100644 (file)
--- a/Modules/posixmodule.c
+++ b/Modules/posixmodule.c
@@ -8186,7 +8186,7 @@ os_setgroups(PyObject *module, PyObject *groups)
         return NULL;
     }
 
-    gid_t *grouplist = PyMem_New(gid_t, len+1); // Avoid malloc(0)
+    gid_t *grouplist = PyMem_New(gid_t, len);
     for (Py_ssize_t i = 0; i < len; i++) {
         PyObject *elem;
         elem = PySequence_GetItem(groups, i);