diff --git a/fs/iomap/buffered-io.c b/fs/iomap/buffered-io.c
index adb92cdb24b0..aa8967cca1a3 100644
--- a/fs/iomap/buffered-io.c
+++ b/fs/iomap/buffered-io.c
@@ -872,10 +872,10 @@ iomap_file_buffered_write(struct kiocb *iocb, struct iov_iter *i,
 	while ((ret = iomap_iter(&iter, ops)) > 0)
 		iter.processed = iomap_write_iter(&iter, i);
 
-	if (unlikely(ret < 0))
+	if (unlikely(iter.pos == iocb->ki_pos))
 		return ret;
 	ret = iter.pos - iocb->ki_pos;
-	iocb->ki_pos += ret;
+	iocb->ki_pos = iter.pos;
 	return ret;
 }
 EXPORT_SYMBOL_GPL(iomap_file_buffered_write);