Issue #24115: Update uses of PyObject_IsTrue(), PyObject_Not(),

PyObject_IsInstance(), PyObject_RichCompareBool() and _PyDict_Contains()
to check for and handle errors correctly.

1 files changed, 7 insertions, 3 deletions

diff --git a/Objects/bytearrayobject.c b/Objects/bytearrayobject.c
index 28b1f68..49db367 100644
--- a/Objects/bytearrayobject.c
+++ b/Objects/bytearrayobject.c
@@ -1011,13 +1011,17 @@ bytearray_richcompare(PyObject *self, PyObject *other, int op)
     Py_buffer self_bytes, other_bytes;
     PyObject *res;
     Py_ssize_t minsize;
-    int cmp;
+    int cmp, rc;
 
     /* Bytes can be compared to anything that supports the (binary)
        buffer API.  Except that a comparison with Unicode is always an
        error, even if the comparison is for equality. */
-    if (PyObject_IsInstance(self, (PyObject*)&PyUnicode_Type) ||
-        PyObject_IsInstance(other, (PyObject*)&PyUnicode_Type)) {
+    rc = PyObject_IsInstance(self, (PyObject*)&PyUnicode_Type);
+    if (!rc)
+        rc = PyObject_IsInstance(other, (PyObject*)&PyUnicode_Type);
+    if (rc < 0)
+        return NULL;
+    if (rc) {
         if (Py_BytesWarningFlag && (op == Py_EQ || op == Py_NE)) {
             if (PyErr_WarnEx(PyExc_BytesWarning,
                             "Comparison between bytearray and string", 1))