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-rw-r--r--Objects/bufferobject.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/Objects/bufferobject.c b/Objects/bufferobject.c
index 242261f..57d031c 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);
}