Fix a whole bunch of error return NULL that should be return -1.

diff --git a/Objects/abstract.c b/Objects/abstract.c
index 502bd82dee55e7a0863afa26e26b9da2d81a114c..30f993bfb642cb90013ba1bb08490213b5d570a6 100644 (file)
--- a/Objects/abstract.c
+++ b/Objects/abstract.c
@@ -887,7 +887,7 @@ PySequence_SetItem(s, i, o)
                        if (m->sq_length) {
                                int l = (*m->sq_length)(s);
                                if (l < 0)
-                                       return NULL;
+                                       return -1;
                                i += l;
                        }
                }
@@ -916,7 +916,7 @@ PySequence_DelItem(s, i)
                        if (m->sq_length) {
                                int l = (*m->sq_length)(s);
                                if (l < 0)
-                                       return NULL;
+                                       return -1;
                                i += l;
                        }
                }
@@ -947,7 +947,7 @@ PySequence_SetSlice(s, i1, i2, o)
                        if (m->sq_length) {
                                int l = (*m->sq_length)(s);
                                if (l < 0)
-                                       return NULL;
+                                       return -1;
                                if (i1 < 0)
                                        i1 += l;
                                if (i2 < 0)
@@ -979,7 +979,7 @@ PySequence_DelSlice(s, i1, i2)
                        if (m->sq_length) {
                                int l = (*m->sq_length)(s);
                                if (l < 0)
-                                       return NULL;
+                                       return -1;
                                if (i1 < 0)
                                        i1 += l;
                                if (i2 < 0)
@@ -1280,7 +1280,7 @@ PyMapping_SetItemString(o, key, value)
 
        okey = PyString_FromString(key);
        if (okey == NULL)
-               return NULL;
+               return -1;
        r = PyObject_SetItem(o, okey, value);
        Py_DECREF(okey);
        return r;