Fix potential NULL pointer dereferencing in ast module

CID 719690
13 years ago · 72f562f719
1 changed files with 1 additions and 1 deletions
--- a/Python/ast.c
+++ b/Python/ast.c
@ -535,11 +535,11 @@ init_normalization(struct compiling *c)
    if (!c->c_normalize)
        return 0;
    c->c_normalize_args = Py_BuildValue("(sN)", "NFKC", Py_None);
-    PyTuple_SET_ITEM(c->c_normalize_args, 1, NULL);
    if (!c->c_normalize_args) {
        Py_CLEAR(c->c_normalize);
        return 0;
    }
+    PyTuple_SET_ITEM(c->c_normalize_args, 1, NULL);
    return 1;
 }