diff --git a/fs/buffer.c b/fs/buffer.c
index 74566c6..d895d9f 100644
--- a/fs/buffer.c
+++ b/fs/buffer.c
@@ -2458,11 +2458,10 @@
 	*fsdata = NULL;
 
 	if (page_has_buffers(page)) {
-		unlock_page(page);
-		page_cache_release(page);
-		*pagep = NULL;
-		return block_write_begin(mapping, pos, len, flags, pagep,
-					 get_block);
+		ret = __block_write_begin(page, pos, len, get_block);
+		if (unlikely(ret))
+			goto out_release;
+		return ret;
 	}
 
 	if (PageMappedToDisk(page))