[SCSI] fix refcounting bug in scsi_get_host_dev

This patch (as1334) fixes a bug in scsi_get_host_dev().  It
incorrectly calls get_device() on the new device's target.
Signed-off-by: NAlan Stern <stern@rowland.harvard.edu>
Signed-off-by: NJames Bottomley <James.Bottomley@suse.de>

drivers/scsi/scsi_scan.c

@@ -1909,10 +1909,9 @@ struct scsi_device *scsi_get_host_dev(struct Scsi_Host *shost)
 		goto out;
 
 	sdev = scsi_alloc_sdev(starget, 0, NULL);
-	if (sdev) {
-		sdev->sdev_gendev.parent = get_device(&starget->dev);
+	if (sdev)
 		sdev->borken = 0;
-	} else
+	else
 		scsi_target_reap(starget);
 	put_device(&starget->dev);
  out: