diff --git a/drivers/ide/ide-iops.c b/drivers/ide/ide-iops.c
index 753b92ebe0ae5e72416d78cf3fe4baf0a94aabd6..b1892bd95c6fe5e7d270e3b92e2fd825b6847cb3 100644
--- a/drivers/ide/ide-iops.c
+++ b/drivers/ide/ide-iops.c
@@ -315,6 +315,8 @@ void ide_output_data(ide_drive_t *drive, struct request *rq, void *buf,
 	u8 io_32bit = drive->io_32bit;
 	u8 mmio = (hwif->host_flags & IDE_HFLAG_MMIO) ? 1 : 0;
 
+	len++;
+
 	if (io_32bit) {
 		unsigned long uninitialized_var(flags);