diff --git a/fs/buffer.c b/fs/buffer.c
index b58208f..665d446 100644
--- a/fs/buffer.c
+++ b/fs/buffer.c
@@ -2688,7 +2688,7 @@
 	struct buffer_head *bh;
 	BUG_ON(fsdata != NULL && page_has_buffers(page));
 
-	if (unlikely(copied < len) && !page_has_buffers(page))
+	if (unlikely(copied < len) && head)
 		attach_nobh_buffers(page, head);
 	if (page_has_buffers(page))
 		return generic_write_end(file, mapping, pos, len,