Esempio n. 1
0
static int clariion_bus_attach(struct scsi_device *sdev)
{
	struct clariion_dh_data *h;
	int err;

	h = kzalloc(sizeof(*h) , GFP_KERNEL);
	if (!h)
		return -ENOMEM;
	h->lun_state = CLARIION_LUN_UNINITIALIZED;
	h->default_sp = CLARIION_UNBOUND_LU;
	h->current_sp = CLARIION_UNBOUND_LU;

	err = clariion_std_inquiry(sdev, h);
	if (err != SCSI_DH_OK)
		goto failed;

	err = clariion_send_inquiry(sdev, h);
	if (err != SCSI_DH_OK)
		goto failed;

	sdev_printk(KERN_INFO, sdev,
		    "%s: connected to SP %c Port %d (%s, default SP %c)\n",
		    CLARIION_NAME, h->current_sp + 'A',
		    h->port, lun_state[h->lun_state],
		    h->default_sp + 'A');

	sdev->handler_data = h;
	return 0;

failed:
	kfree(h);
	return -EINVAL;
}
Esempio n. 2
0
static int clariion_bus_attach(struct scsi_device *sdev)
{
	struct scsi_dh_data *scsi_dh_data;
	struct clariion_dh_data *h;
	unsigned long flags;
	int err;

	scsi_dh_data = kzalloc(sizeof(struct scsi_device_handler *)
			       + sizeof(*h) , GFP_KERNEL);
	if (!scsi_dh_data) {
		sdev_printk(KERN_ERR, sdev, "%s: Attach failed\n",
			    CLARIION_NAME);
		return -ENOMEM;
	}

	scsi_dh_data->scsi_dh = &clariion_dh;
	h = (struct clariion_dh_data *) scsi_dh_data->buf;
	h->lun_state = CLARIION_LUN_UNINITIALIZED;
	h->default_sp = CLARIION_UNBOUND_LU;
	h->current_sp = CLARIION_UNBOUND_LU;

	err = clariion_std_inquiry(sdev, h);
	if (err != SCSI_DH_OK)
		goto failed;

	err = clariion_send_inquiry(sdev, h);
	if (err != SCSI_DH_OK)
		goto failed;

	if (!try_module_get(THIS_MODULE))
		goto failed;

	spin_lock_irqsave(sdev->request_queue->queue_lock, flags);
	sdev->scsi_dh_data = scsi_dh_data;
	spin_unlock_irqrestore(sdev->request_queue->queue_lock, flags);

	sdev_printk(KERN_INFO, sdev,
		    "%s: connected to SP %c Port %d (%s, default SP %c)\n",
		    CLARIION_NAME, h->current_sp + 'A',
		    h->port, lun_state[h->lun_state],
		    h->default_sp + 'A');

	return 0;

failed:
	kfree(scsi_dh_data);
	sdev_printk(KERN_ERR, sdev, "%s: not attached\n",
		    CLARIION_NAME);
	return -EINVAL;
}