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-rw-r--r--Python/pystate.c16
1 files changed, 10 insertions, 6 deletions
diff --git a/Python/pystate.c b/Python/pystate.c
index 7a4cd48077..7d63f4febb 100644
--- a/Python/pystate.c
+++ b/Python/pystate.c
@@ -172,23 +172,27 @@ PyInterpreterState_New(void)
interp->pyexitmodule = NULL;
HEAD_LOCK();
- interp->next = _PyRuntime.interpreters.head;
- if (_PyRuntime.interpreters.main == NULL) {
- _PyRuntime.interpreters.main = interp;
- }
- _PyRuntime.interpreters.head = interp;
if (_PyRuntime.interpreters.next_id < 0) {
/* overflow or Py_Initialize() not called! */
PyErr_SetString(PyExc_RuntimeError,
"failed to get an interpreter ID");
- /* XXX deallocate! */
+ PyMem_RawFree(interp);
interp = NULL;
} else {
interp->id = _PyRuntime.interpreters.next_id;
_PyRuntime.interpreters.next_id += 1;
+ interp->next = _PyRuntime.interpreters.head;
+ if (_PyRuntime.interpreters.main == NULL) {
+ _PyRuntime.interpreters.main = interp;
+ }
+ _PyRuntime.interpreters.head = interp;
}
HEAD_UNLOCK();
+ if (interp == NULL) {
+ return NULL;
+ }
+
interp->tstate_next_unique_id = 0;
return interp;