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authorSerhiy Storchaka <storchaka@gmail.com>2015-11-06 09:07:11 (GMT)
committerSerhiy Storchaka <storchaka@gmail.com>2015-11-06 09:07:11 (GMT)
commitd5f353ec8dc823dcaf24f927e0648b1891b9cebc (patch)
treed2c5a6dccf9e0ffbb9f28248e28455bfe1acbfbc /Objects/odictobject.c
parent9c967611e3ef92f7aa605356c88027caa9dd9566 (diff)
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Issue #24726: Revert setting the value on the dict if
_odict_add_new_node() fails.
Diffstat (limited to 'Objects/odictobject.c')
-rw-r--r--Objects/odictobject.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/Objects/odictobject.c b/Objects/odictobject.c
index 7a3ded0..98cbf94 100644
--- a/Objects/odictobject.c
+++ b/Objects/odictobject.c
@@ -1721,7 +1721,13 @@ PyODict_SetItem(PyObject *od, PyObject *key, PyObject *value) {
int res = PyDict_SetItem(od, key, value);
if (res == 0) {
res = _odict_add_new_node((PyODictObject *)od, key);
- /* XXX Revert setting the value on the dict? */
+ if (res < 0) {
+ /* Revert setting the value on the dict */
+ PyObject *exc, *val, *tb;
+ PyErr_Fetch(&exc, &val, &tb);
+ (void) PyDict_DelItem(od, key);
+ _PyErr_ChainExceptions(exc, val, tb);
+ }
}
return res;
};