diff --git a/fs/iomap.c b/fs/iomap.c
index df2652b0d85dcc495ef3dd4b428916687679b7f0..85901b4491468ba40c1cf3e749e03a9433b572dc 100644
--- a/fs/iomap.c
+++ b/fs/iomap.c
@@ -845,8 +845,7 @@ iomap_dio_zero(struct iomap_dio *dio, struct iomap *iomap, loff_t pos,
 	bio->bi_end_io = iomap_dio_bio_end_io;
 
 	get_page(page);
-	if (bio_add_page(bio, page, len, 0) != len)
-		BUG();
+	__bio_add_page(bio, page, len, 0);
 	bio_set_op_attrs(bio, REQ_OP_WRITE, REQ_SYNC | REQ_IDLE);
 
 	atomic_inc(&dio->ref);