diff options
| -rw-r--r-- | Objects/dictobject.c | 15 |
1 files changed, 7 insertions, 8 deletions
diff --git a/Objects/dictobject.c b/Objects/dictobject.c index 5ac7bb102b..d909f220a9 100644 --- a/Objects/dictobject.c +++ b/Objects/dictobject.c @@ -3830,22 +3830,21 @@ dictreviter_iternext(dictiterobject *di) PyDictKeysObject *k = d->ma_keys; PyObject *key, *value, *result; + if (i < 0) { + goto fail; + } if (d->ma_values) { - if (i < 0) { - goto fail; - } key = DK_ENTRIES(k)[i].me_key; value = d->ma_values[i]; assert (value != NULL); } else { PyDictKeyEntry *entry_ptr = &DK_ENTRIES(k)[i]; - while (i >= 0 && entry_ptr->me_value == NULL) { + while (entry_ptr->me_value == NULL) { + if (--i < 0) { + goto fail; + } entry_ptr--; - i--; - } - if (i < 0) { - goto fail; } key = entry_ptr->me_key; value = entry_ptr->me_value; |