diff --git a/fs/direct-io.c b/fs/direct-io.c
index 910a8ed74b5d24f9168533c1f163916792df6eb4..b05d1b218776946f4448ba2d0fd51cee477730cf 100644
--- a/fs/direct-io.c
+++ b/fs/direct-io.c
@@ -929,8 +929,7 @@ static int do_direct_IO(struct dio *dio)
 			block_in_page += this_chunk_blocks;
 			dio->blocks_available -= this_chunk_blocks;
 next_block:
-			if (dio->block_in_file > dio->final_block_in_request)
-				BUG();
+			BUG_ON(dio->block_in_file > dio->final_block_in_request);
 			if (dio->block_in_file == dio->final_block_in_request)
 				break;
 		}