[SCSI] struct device - replace bus_id with dev_name(), dev_set_name()

[jejb: limit ioctl to returning 20 characters to avoid overrun
on long device names and add a few more conversions]
Signed-off-by: Kay Sievers <[e-mail]>
Signed-off-by: Greg Kroah-Hartman <[e-mail]>
Signed-off-by: James Bottomley <[e-mail]>

drivers/misc/enclosure.c

···
 	edev->edev.class = &enclosure_class;
 	edev->edev.parent = get_device(dev);
 	edev->cb = cb;
-	snprintf(edev->edev.bus_id, BUS_ID_SIZE, "%s", name);
+	dev_set_name(&edev->edev, name);
 	err = device_register(&edev->edev);
 	if (err)
 		goto err;
···
 static void enclosure_link_name(struct enclosure_component *cdev, char *name)
 {
 	strcpy(name, "enclosure_device:");
-	strcat(name, cdev->cdev.bus_id);
+	strcat(name, dev_name(&cdev->cdev));
 }
 
 static void enclosure_remove_links(struct enclosure_component *cdev)
···
 	cdev = &ecomp->cdev;
 	cdev->parent = get_device(&edev->edev);
 	if (name)
-		snprintf(cdev->bus_id, BUS_ID_SIZE, "%s", name);
+		dev_set_name(cdev, name);
 	else
-		snprintf(cdev->bus_id, BUS_ID_SIZE, "%u", number);
+		dev_set_name(cdev, "%u", number);
 
 	cdev->release = enclosure_component_release;
 	cdev->groups = enclosure_groups;

drivers/scsi/NCR_D700.c

···
 		return -ENOMEM;
 
 	p->dev = dev;
-	snprintf(p->name, sizeof(p->name), "D700(%s)", dev->bus_id);
+	snprintf(p->name, sizeof(p->name), "D700(%s)", dev_name(dev));
 	if (request_irq(irq, NCR_D700_intr, IRQF_SHARED, p->name, p)) {
 		printk(KERN_ERR "D700: request_irq failed\n");
 		kfree(p);

drivers/scsi/advansys.c

···
 {
 	struct asc_board *boardp = shost_priv(s);
 
-	printk("Scsi_Host at addr 0x%p, device %s\n", s, boardp->dev->bus_id);
+	printk("Scsi_Host at addr 0x%p, device %s\n", s, dev_name(boardp->dev));
 	printk(" host_busy %u, host_no %d, last_reset %d,\n",
 	       s->host_busy, s->host_no, (unsigned)s->last_reset);
 

drivers/scsi/aic94xx/aic94xx_tmf.c

···
 	asd_clear_nexus_I_T(dev, NEXUS_PHASE_PRE);
 	/* send a hard reset */
 	ASD_DPRINTK("sending %s reset to %s\n",
-		    reset_type ? "hard" : "soft", phy->dev.bus_id);
+		    reset_type ? "hard" : "soft", dev_name(&phy->dev));
 	res = sas_phy_reset(phy, reset_type);
 	if (res == TMF_RESP_FUNC_COMPLETE) {
 		/* wait for the maximum settle time */

drivers/scsi/hosts.c

···
 		shost->dma_boundary = 0xffffffff;
 
 	device_initialize(&shost->shost_gendev);
-	snprintf(shost->shost_gendev.bus_id, BUS_ID_SIZE, "host%d",
-		shost->host_no);
+	dev_set_name(&shost->shost_gendev, "host%d", shost->host_no);
 #ifndef CONFIG_SYSFS_DEPRECATED
 	shost->shost_gendev.bus = &scsi_bus_type;
 #endif
···
 	device_initialize(&shost->shost_dev);
 	shost->shost_dev.parent = &shost->shost_gendev;
 	shost->shost_dev.class = &shost_class;
-	snprintf(shost->shost_dev.bus_id, BUS_ID_SIZE, "host%d",
-		 shost->host_no);
+	dev_set_name(&shost->shost_dev, "host%d", shost->host_no);
 	shost->shost_dev.groups = scsi_sysfs_shost_attr_groups;
 
 	shost->ehandler = kthread_run(scsi_error_handler, shost,

drivers/scsi/ibmvscsi/ibmvfc.c

···
 	login_info->async.len = vhost->async_crq.size * sizeof(*vhost->async_crq.msgs);
 	strncpy(login_info->partition_name, vhost->partition_name, IBMVFC_MAX_NAME);
 	strncpy(login_info->device_name,
-		vhost->host->shost_gendev.bus_id, IBMVFC_MAX_NAME);
+		dev_name(&vhost->host->shost_gendev), IBMVFC_MAX_NAME);
 
 	location = of_get_property(of_node, "ibm,loc-code", NULL);
-	location = location ? location : vhost->dev->bus_id;
+	location = location ? location : dev_name(vhost->dev);
 	strncpy(login_info->drc_name, location, IBMVFC_MAX_NAME);
 }
 

drivers/scsi/ipr.c

···
 		sizeof(struct ipr_dump_entry_header);
 	driver_dump->location_entry.hdr.data_type = IPR_DUMP_DATA_TYPE_ASCII;
 	driver_dump->location_entry.hdr.id = IPR_DUMP_LOCATION_ID;
-	strcpy(driver_dump->location_entry.location, ioa_cfg->pdev->dev.bus_id);
+	strcpy(driver_dump->location_entry.location, dev_name(&ioa_cfg->pdev->dev));
 	driver_dump->hdr.num_entries++;
 }
 

drivers/scsi/ipr.h

···
 
 struct ipr_dump_location_entry {
 	struct ipr_dump_entry_header hdr;
-	u8 location[BUS_ID_SIZE];
+	u8 location[20];
 }__attribute__((packed));
 
 struct ipr_dump_trace_entry {

drivers/scsi/lasi700.c

···
 
 	hostdata = kzalloc(sizeof(*hostdata), GFP_KERNEL);
 	if (!hostdata) {
-		printk(KERN_ERR "%s: Failed to allocate host data\n",
-		       dev->dev.bus_id);
+		dev_printk(KERN_ERR, dev, "Failed to allocate host data\n");
 		return -ENOMEM;
 	}
 

drivers/scsi/libsas/sas_discover.c

···
 		if (res) {
 			printk("sas: driver on pcidev %s cannot handle "
 			       "device %llx, error:%d\n",
-			       sas_ha->dev->bus_id,
+			       dev_name(sas_ha->dev),
 			       SAS_ADDR(dev->sas_addr), res);
 		}
 	}

drivers/scsi/libsas/sas_dump.c

···
 
 void sas_dprint_hae(struct sas_ha_struct *sas_ha, enum ha_event he)
 {
-	SAS_DPRINTK("ha %s: %s event\n", sas_ha->dev->bus_id,
+	SAS_DPRINTK("ha %s: %s event\n", dev_name(sas_ha->dev),
 		    sas_hae_str[he]);
 }
 

drivers/scsi/libsas/sas_port.c

···
 	sas_port_add_phy(port->port, phy->phy);
 
 	SAS_DPRINTK("%s added to %s, phy_mask:0x%x (%16llx)\n",
-		    phy->phy->dev.bus_id,port->port->dev.bus_id,
+		    dev_name(&phy->phy->dev), dev_name(&port->port->dev),
 		    port->phy_mask,
 		    SAS_ADDR(port->attached_sas_addr));
 

drivers/scsi/raid_class.c

···
 	rc->dev.parent = get_device(component_dev);
 	rc->num = rd->component_count++;
 
-	snprintf(rc->dev.bus_id, sizeof(rc->dev.bus_id),
-		 "component-%d", rc->num);
+	dev_set_name(&rc->dev, "component-%d", rc->num);
 	list_add_tail(&rc->node, &rd->component_list);
 	rc->dev.class = &raid_class.class;
 	err = device_add(&rc->dev);

drivers/scsi/scsi_debug.c

···
 }
 
 static struct device pseudo_primary = {
-	.bus_id		= "pseudo_0",
+	.init_name	= "pseudo_0",
 	.release	= pseudo_0_release,
 };
 
···
         sdbg_host->dev.bus = &pseudo_lld_bus;
         sdbg_host->dev.parent = &pseudo_primary;
         sdbg_host->dev.release = &sdebug_release_adapter;
-        sprintf(sdbg_host->dev.bus_id, "adapter%d", scsi_debug_add_host);
+        dev_set_name(&sdbg_host->dev, "adapter%d", scsi_debug_add_host);
 
         error = device_register(&sdbg_host->dev);
 

drivers/scsi/scsi_ioctl.c

···
 static int scsi_ioctl_get_pci(struct scsi_device *sdev, void __user *arg)
 {
 	struct device *dev = scsi_get_device(sdev->host);
+	const char *name;
 
         if (!dev)
 		return -ENXIO;
-        return copy_to_user(arg, dev->bus_id, sizeof(dev->bus_id))? -EFAULT: 0;
+
+	name = dev_name(dev);
+
+	/* compatibility with old ioctl which only returned
+	 * 20 characters */
+        return copy_to_user(arg, name, min(strlen(name), (size_t)20))
+		? -EFAULT: 0;
 }
 
 

drivers/scsi/scsi_scan.c

···
 	device_initialize(dev);
 	starget->reap_ref = 1;
 	dev->parent = get_device(parent);
-	sprintf(dev->bus_id, "target%d:%d:%d",
-		shost->host_no, channel, id);
+	dev_set_name(dev, "target%d:%d:%d", shost->host_no, channel, id);
 #ifndef CONFIG_SYSFS_DEPRECATED
 	dev->bus = &scsi_bus_type;
 #endif
···
 		if (rescan || !scsi_device_created(sdev)) {
 			SCSI_LOG_SCAN_BUS(3, printk(KERN_INFO
 				"scsi scan: device exists on %s\n",
-				sdev->sdev_gendev.bus_id));
+				dev_name(&sdev->sdev_gendev)));
 			if (sdevp)
 				*sdevp = sdev;
 			else
···
 	struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);
 
 	SCSI_LOG_SCAN_BUS(3, printk(KERN_INFO "scsi scan: Sequential scan of"
-				    "%s\n", starget->dev.bus_id));
+				    "%s\n", dev_name(&starget->dev)));
 
 	max_dev_lun = min(max_scsi_luns, shost->max_lun);
 	/*

drivers/scsi/scsi_sysfs.c

···
 	device_initialize(&sdev->sdev_gendev);
 	sdev->sdev_gendev.bus = &scsi_bus_type;
 	sdev->sdev_gendev.type = &scsi_dev_type;
-	sprintf(sdev->sdev_gendev.bus_id,"%d:%d:%d:%d",
-		sdev->host->host_no, sdev->channel, sdev->id,
-		sdev->lun);
-	
+	dev_set_name(&sdev->sdev_gendev, "%d:%d:%d:%d",
+		     sdev->host->host_no, sdev->channel, sdev->id, sdev->lun);
+
 	device_initialize(&sdev->sdev_dev);
 	sdev->sdev_dev.parent = &sdev->sdev_gendev;
 	sdev->sdev_dev.class = &sdev_class;
-	snprintf(sdev->sdev_dev.bus_id, BUS_ID_SIZE,
-		 "%d:%d:%d:%d", sdev->host->host_no,
-		 sdev->channel, sdev->id, sdev->lun);
+	dev_set_name(&sdev->sdev_dev, "%d:%d:%d:%d",
+		     sdev->host->host_no, sdev->channel, sdev->id, sdev->lun);
 	sdev->scsi_level = starget->scsi_level;
 	transport_setup_device(&sdev->sdev_gendev);
 	spin_lock_irqsave(shost->host_lock, flags);

drivers/scsi/scsi_transport_fc.c

···
 	device_initialize(dev);			/* takes self reference */
 	dev->parent = get_device(&shost->shost_gendev); /* parent reference */
 	dev->release = fc_rport_dev_release;
-	sprintf(dev->bus_id, "rport-%d:%d-%d",
-		shost->host_no, channel, rport->number);
+	dev_set_name(dev, "rport-%d:%d-%d",
+		     shost->host_no, channel, rport->number);
 	transport_setup_device(dev);
 
 	error = device_add(dev);
···
 	device_initialize(dev);			/* takes self reference */
 	dev->parent = get_device(pdev);		/* takes parent reference */
 	dev->release = fc_vport_dev_release;
-	sprintf(dev->bus_id, "vport-%d:%d-%d",
-		shost->host_no, channel, vport->number);
+	dev_set_name(dev, "vport-%d:%d-%d",
+		     shost->host_no, channel, vport->number);
 	transport_setup_device(dev);
 
 	error = device_add(dev);
···
 	 */
 	if (pdev != &shost->shost_gendev) {
 		error = sysfs_create_link(&shost->shost_gendev.kobj,
-				 &dev->kobj, dev->bus_id);
+				 &dev->kobj, dev_name(dev));
 		if (error)
 			printk(KERN_ERR
 				"%s: Cannot create vport symlinks for "
 				"%s, err=%d\n",
-				__func__, dev->bus_id, error);
+				__func__, dev_name(dev), error);
 	}
 	spin_lock_irqsave(shost->host_lock, flags);
 	vport->flags &= ~FC_VPORT_CREATING;
 	spin_unlock_irqrestore(shost->host_lock, flags);
 
 	dev_printk(KERN_NOTICE, pdev,
-			"%s created via shost%d channel %d\n", dev->bus_id,
+			"%s created via shost%d channel %d\n", dev_name(dev),
 			shost->host_no, channel);
 
 	*ret_vport = vport;
···
 		return stat;
 
 	if (dev->parent != &shost->shost_gendev)
-		sysfs_remove_link(&shost->shost_gendev.kobj, dev->bus_id);
+		sysfs_remove_link(&shost->shost_gendev.kobj, dev_name(dev));
 	transport_remove_device(dev);
 	device_del(dev);
 	transport_destroy_device(dev);
···
 		dev_printk(KERN_ERR, vport->dev.parent,
 			"%s: %s could not be deleted created via "
 			"shost%d channel %d - error %d\n", __func__,
-			vport->dev.bus_id, vport->shost->host_no,
+			dev_name(&vport->dev), vport->shost->host_no,
 			vport->channel, stat);
 }
 

drivers/scsi/scsi_transport_iscsi.c

···
 
 	ep->id = id;
 	ep->dev.class = &iscsi_endpoint_class;
-	snprintf(ep->dev.bus_id, BUS_ID_SIZE, "ep-%llu",
-		 (unsigned long long) id);
+	dev_set_name(&ep->dev, "ep-%llu", (unsigned long long) id);
 	err = device_register(&ep->dev);
         if (err)
                 goto free_ep;
···
 	}
 	session->target_id = id;
 
-	snprintf(session->dev.bus_id, BUS_ID_SIZE, "session%u",
-		 session->sid);
+	dev_set_name(&session->dev, "session%u", session->sid);
 	err = device_add(&session->dev);
 	if (err) {
 		iscsi_cls_session_printk(KERN_ERR, session,
···
 	if (!get_device(&session->dev))
 		goto free_conn;
 
-	snprintf(conn->dev.bus_id, BUS_ID_SIZE, "connection%d:%u",
-		 session->sid, cid);
+	dev_set_name(&conn->dev, "connection%d:%u", session->sid, cid);
 	conn->dev.parent = &session->dev;
 	conn->dev.release = iscsi_conn_release;
 	err = device_register(&conn->dev);
···
 		priv->t.create_work_queue = 1;
 
 	priv->dev.class = &iscsi_transport_class;
-	snprintf(priv->dev.bus_id, BUS_ID_SIZE, "%s", tt->name);
+	dev_set_name(&priv->dev, "%s", tt->name);
 	err = device_register(&priv->dev);
 	if (err)
 		goto free_priv;

drivers/scsi/scsi_transport_sas.c

···
 	struct request_queue *q;
 	int error;
 	struct device *dev;
-	char namebuf[BUS_ID_SIZE];
+	char namebuf[20];
 	const char *name;
 	void (*release)(struct device *);
 
···
 	if (rphy) {
 		q = blk_init_queue(sas_non_host_smp_request, NULL);
 		dev = &rphy->dev;
-		name = dev->bus_id;
+		name = dev_name(dev);
 		release = NULL;
 	} else {
 		q = blk_init_queue(sas_host_smp_request, NULL);
···
 	INIT_LIST_HEAD(&phy->port_siblings);
 	if (scsi_is_sas_expander_device(parent)) {
 		struct sas_rphy *rphy = dev_to_rphy(parent);
-		sprintf(phy->dev.bus_id, "phy-%d:%d:%d", shost->host_no,
+		dev_set_name(&phy->dev, "phy-%d:%d:%d", shost->host_no,
 			rphy->scsi_target_id, number);
 	} else
-		sprintf(phy->dev.bus_id, "phy-%d:%d", shost->host_no, number);
+		dev_set_name(&phy->dev, "phy-%d:%d", shost->host_no, number);
 
 	transport_setup_device(&phy->dev);
 
···
 	int res;
 
 	res = sysfs_create_link(&port->dev.kobj, &phy->dev.kobj,
-				phy->dev.bus_id);
+				dev_name(&phy->dev));
 	if (res)
 		goto err;
 	res = sysfs_create_link(&phy->dev.kobj, &port->dev.kobj, "port");
···
 static void sas_port_delete_link(struct sas_port *port,
 				 struct sas_phy *phy)
 {
-	sysfs_remove_link(&port->dev.kobj, phy->dev.bus_id);
+	sysfs_remove_link(&port->dev.kobj, dev_name(&phy->dev));
 	sysfs_remove_link(&phy->dev.kobj, "port");
 }
 
···
 
 	if (scsi_is_sas_expander_device(parent)) {
 		struct sas_rphy *rphy = dev_to_rphy(parent);
-		sprintf(port->dev.bus_id, "port-%d:%d:%d", shost->host_no,
-			rphy->scsi_target_id, port->port_identifier);
+		dev_set_name(&port->dev, "port-%d:%d:%d", shost->host_no,
+			     rphy->scsi_target_id, port->port_identifier);
 	} else
-		sprintf(port->dev.bus_id, "port-%d:%d", shost->host_no,
-			port->port_identifier);
+		dev_set_name(&port->dev, "port-%d:%d", shost->host_no,
+			     port->port_identifier);
 
 	transport_setup_device(&port->dev);
 
···
 	if (port->is_backlink) {
 		struct device *parent = port->dev.parent;
 
-		sysfs_remove_link(&port->dev.kobj, parent->bus_id);
+		sysfs_remove_link(&port->dev.kobj, dev_name(parent));
 		port->is_backlink = 0;
 	}
 
···
 		/* If this trips, you added a phy that was already
 		 * part of a different port */
 		if (unlikely(tmp != phy)) {
-			dev_printk(KERN_ERR, &port->dev, "trying to add phy %s fails: it's already part of another port\n", phy->dev.bus_id);
+			dev_printk(KERN_ERR, &port->dev, "trying to add phy %s fails: it's already part of another port\n",
+				   dev_name(&phy->dev));
 			BUG();
 		}
 	} else {
···
 		return;
 	port->is_backlink = 1;
 	res = sysfs_create_link(&port->dev.kobj, &parent->kobj,
-				parent->bus_id);
+				dev_name(parent));
 	if (res)
 		goto err;
 	return;
···
 	rdev->rphy.dev.release = sas_end_device_release;
 	if (scsi_is_sas_expander_device(parent->dev.parent)) {
 		struct sas_rphy *rphy = dev_to_rphy(parent->dev.parent);
-		sprintf(rdev->rphy.dev.bus_id, "end_device-%d:%d:%d",
-			shost->host_no, rphy->scsi_target_id, parent->port_identifier);
+		dev_set_name(&rdev->rphy.dev, "end_device-%d:%d:%d",
+			     shost->host_no, rphy->scsi_target_id,
+			     parent->port_identifier);
 	} else
-		sprintf(rdev->rphy.dev.bus_id, "end_device-%d:%d",
-			shost->host_no, parent->port_identifier);
+		dev_set_name(&rdev->rphy.dev, "end_device-%d:%d",
+			     shost->host_no, parent->port_identifier);
 	rdev->rphy.identify.device_type = SAS_END_DEVICE;
 	sas_rphy_initialize(&rdev->rphy);
 	transport_setup_device(&rdev->rphy.dev);
···
 	mutex_lock(&sas_host->lock);
 	rdev->rphy.scsi_target_id = sas_host->next_expander_id++;
 	mutex_unlock(&sas_host->lock);
-	sprintf(rdev->rphy.dev.bus_id, "expander-%d:%d",
-		shost->host_no, rdev->rphy.scsi_target_id);
+	dev_set_name(&rdev->rphy.dev, "expander-%d:%d",
+		     shost->host_no, rdev->rphy.scsi_target_id);
 	rdev->rphy.identify.device_type = type;
 	sas_rphy_initialize(&rdev->rphy);
 	transport_setup_device(&rdev->rphy.dev);
···
 	transport_add_device(&rphy->dev);
 	transport_configure_device(&rphy->dev);
 	if (sas_bsg_initialize(shost, rphy))
-		printk("fail to a bsg device %s\n", rphy->dev.bus_id);
+		printk("fail to a bsg device %s\n", dev_name(&rphy->dev));
 
 
 	mutex_lock(&sas_host->lock);

drivers/scsi/scsi_transport_srp.c

···
 	rport->roles = ids->roles;
 
 	id = atomic_inc_return(&to_srp_host_attrs(shost)->next_port_id);
-	sprintf(rport->dev.bus_id, "port-%d:%d", shost->host_no, id);
+	dev_set_name(&rport->dev, "port-%d:%d", shost->host_no, id);
 
 	transport_setup_device(&rport->dev);
 

drivers/scsi/sd.c

···
 	device_initialize(&sdkp->dev);
 	sdkp->dev.parent = &sdp->sdev_gendev;
 	sdkp->dev.class = &sd_disk_class;
-	strncpy(sdkp->dev.bus_id, sdp->sdev_gendev.bus_id, BUS_ID_SIZE);
+	dev_set_name(&sdkp->dev, dev_name(&sdp->sdev_gendev));
 
 	if (device_add(&sdkp->dev))
 		goto out_free_index;

drivers/scsi/ses.c

···
 	if (!scomp)
 		goto err_free;
 
-	edev = enclosure_register(cdev->parent, sdev->sdev_gendev.bus_id,
+	edev = enclosure_register(cdev->parent, dev_name(&sdev->sdev_gendev),
 				  components, &ses_enclosure_callbacks);
 	if (IS_ERR(edev)) {
 		err = PTR_ERR(edev);

drivers/scsi/sim710.c

···
 	struct NCR_700_Host_Parameters *hostdata =
 		kzalloc(sizeof(struct NCR_700_Host_Parameters),	GFP_KERNEL);
 
-	printk(KERN_NOTICE "sim710: %s\n", dev->bus_id);
+	printk(KERN_NOTICE "sim710: %s\n", dev_name(dev));
 	printk(KERN_NOTICE "sim710: irq = %d, clock = %d, base = 0x%lx, scsi_id = %d\n",
 	       irq, clock, base_addr, scsi_id);
 
···
 		scsi_id = ffs(val) - 1;
 
 		if(scsi_id > 7 || (val & ~(1<<scsi_id)) != 0) {
-			printk(KERN_ERR "sim710.c, EISA card %s has incorrect scsi_id, setting to 7\n", dev->bus_id);
+			printk(KERN_ERR "sim710.c, EISA card %s has incorrect scsi_id, setting to 7\n", dev_name(dev));
 			scsi_id = 7;
 		}
 	} else {

drivers/scsi/sni_53c710.c

···
 	base = res->start;
 	hostdata = kzalloc(sizeof(*hostdata), GFP_KERNEL);
 	if (!hostdata) {
-		printk(KERN_ERR "%s: Failed to allocate host data\n",
-		       dev->dev.bus_id);
+		dev_printk(KERN_ERR, dev, "Failed to allocate host data\n");
 		return -ENOMEM;
 	}
 

drivers/scsi/zalon.c

···
 		goto fail;
 
 	if (request_irq(dev->irq, ncr53c8xx_intr, IRQF_SHARED, "zalon", host)) {
-		printk(KERN_ERR "%s: irq problem with %d, detaching\n ",
-			dev->dev.bus_id, dev->irq);
+	  dev_printk(KERN_ERR, dev, "irq problem with %d, detaching\n ",
+		     dev->irq);
 		goto fail;
 	}