diff -urpN --exclude-from=/home/davej/.exclude bk-linus/drivers/scsi/ide-scsi.c linux-2.5/drivers/scsi/ide-scsi.c
--- bk-linus/drivers/scsi/ide-scsi.c	2002-11-21 02:18:04.000000000 +0000
+++ linux-2.5/drivers/scsi/ide-scsi.c	2002-11-21 18:00:42.000000000 +0000
@@ -725,7 +725,7 @@ static inline struct bio *idescsi_dma_bi
 	int segments = pc->scsi_cmd->use_sg;
 	struct scatterlist *sg = pc->scsi_cmd->request_buffer;
 
-	if (!drive->using_dma || !pc->request_transfer || pc->request_transfer % 1024)
+	if (!drive->using_dma || !pc->request_transfer || pc->request_transfer & 1023)
 		return NULL;
 	if (idescsi_set_direction(pc))
 		return NULL;