diff --git a/Objects/bufferobject.c b/Objects/bufferobject.c index 242261f7187..57d031cade5 100644 --- a/Objects/bufferobject.c +++ b/Objects/bufferobject.c @@ -73,11 +73,13 @@ _PyBuffer_FromObject(PyObject *base, int offset, int size, offset = count; if ( offset + size > count ) size = count - offset; - - /* if the base object is another buffer, then "deref" it */ - if ( PyBuffer_Check(base) ) + + /* if the base object is another buffer, then "deref" it, + * except if the base of the other buffer is NULL + */ + if ( PyBuffer_Check(base) && (((PyBufferObject *)base)->b_base) ) base = ((PyBufferObject *)base)->b_base; - + return _PyBuffer_FromMemory(base, (char *)p + offset, size, readonly); }