diff --git a/drivers/scsi/ch.c b/drivers/scsi/ch.c
index aa2011b..3c257fe 100644
--- a/drivers/scsi/ch.c
+++ b/drivers/scsi/ch.c
@@ -930,6 +930,7 @@
 	if (init)
 		ch_init_elem(ch);
 
+	dev_set_drvdata(dev, ch);
 	sdev_printk(KERN_INFO, sd, "Attached scsi changer %s\n", ch->name);
 
 	return 0;