s390: move from strlcpy with unused retval to strscpy

Follow the advice of the below link and prefer 'strscpy' in this
subsystem. Conversion is 1:1 because the return value is not used.
Generated by a coccinelle script.

Link: https://lore.kernel.org/r/CAHk-=wgfRnXz0W3D37d01q3JFkr_i_uTL=[e-mail]/
Signed-off-by: Wolfram Sang <[e-mail]>
Acked-by: Jakub Kicinski <[e-mail]>
Acked-by: Benjamin Block <[e-mail]>
Acked-by: Alexandra Winter <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Link: https://lore.kernel.org/r/[e-mail]
[[e-mail]: squashed two changes linked above together]
Signed-off-by: Vasily Gorbik <[e-mail]>

arch/s390/kernel/debug.c

···
 	rc->level	   = level;
 	rc->buf_size	   = buf_size;
 	rc->entry_size	   = sizeof(debug_entry_t) + buf_size;
-	strlcpy(rc->name, name, sizeof(rc->name));
+	strscpy(rc->name, name, sizeof(rc->name));
 	memset(rc->views, 0, DEBUG_MAX_VIEWS * sizeof(struct debug_view *));
 	memset(rc->debugfs_entries, 0, DEBUG_MAX_VIEWS * sizeof(struct dentry *));
 	refcount_set(&(rc->ref_count), 0);

arch/s390/kernel/early.c

···
 static void __init setup_boot_command_line(void)
 {
 	/* copy arch command line */
-	strlcpy(boot_command_line, early_command_line, COMMAND_LINE_SIZE);
+	strscpy(boot_command_line, early_command_line, COMMAND_LINE_SIZE);
 }
 
 static void __init check_image_bootable(void)

drivers/s390/block/dasd_devmap.c

···
 	if (!devmap) {
 		/* This bus_id is new. */
 		new->devindex = dasd_max_devindex++;
-		strlcpy(new->bus_id, bus_id, DASD_BUS_ID_SIZE);
+		strscpy(new->bus_id, bus_id, DASD_BUS_ID_SIZE);
 		new->features = features;
 		new->device = NULL;
 		list_add(&new->list, &dasd_hashlists[hash]);

drivers/s390/block/dasd_eer.c

···
 	ktime_get_real_ts64(&ts);
 	header.tv_sec = ts.tv_sec;
 	header.tv_usec = ts.tv_nsec / NSEC_PER_USEC;
-	strlcpy(header.busid, dev_name(&device->cdev->dev),
+	strscpy(header.busid, dev_name(&device->cdev->dev),
 		DASD_EER_BUSID_SIZE);
 
 	spin_lock_irqsave(&bufferlock, flags);
···
 	ktime_get_real_ts64(&ts);
 	header.tv_sec = ts.tv_sec;
 	header.tv_usec = ts.tv_nsec / NSEC_PER_USEC;
-	strlcpy(header.busid, dev_name(&device->cdev->dev),
+	strscpy(header.busid, dev_name(&device->cdev->dev),
 		DASD_EER_BUSID_SIZE);
 
 	spin_lock_irqsave(&bufferlock, flags);

drivers/s390/block/dcssblk.c

···
 		rc = -ENAMETOOLONG;
 		goto seg_list_del;
 	}
-	strlcpy(local_buf, buf, i + 1);
+	strscpy(local_buf, buf, i + 1);
 	dev_info->num_of_segments = num_of_segments;
 	rc = dcssblk_is_continuous(dev_info);
 	if (rc < 0)

drivers/s390/char/hmcdrv_cache.c

···
 		/* cache some file info (FTP command, file name and file
 		 * size) unconditionally
 		 */
-		strlcpy(hmcdrv_cache_file.fname, ftp->fname,
+		strscpy(hmcdrv_cache_file.fname, ftp->fname,
 			HMCDRV_FTP_FIDENT_MAX);
 		hmcdrv_cache_file.id = ftp->id;
 		pr_debug("caching cmd %d, file size %zu for '%s'\n",

drivers/s390/char/tape_class.c

···
 	if (!tcd)
 		return ERR_PTR(-ENOMEM);
 
-	strlcpy(tcd->device_name, device_name, TAPECLASS_NAME_LEN);
+	strscpy(tcd->device_name, device_name, TAPECLASS_NAME_LEN);
 	for (s = strchr(tcd->device_name, '/'); s; s = strchr(s, '/'))
 		*s = '!';
-	strlcpy(tcd->mode_name, mode_name, TAPECLASS_NAME_LEN);
+	strscpy(tcd->mode_name, mode_name, TAPECLASS_NAME_LEN);
 	for (s = strchr(tcd->mode_name, '/'); s; s = strchr(s, '/'))
 		*s = '!';
 

drivers/s390/cio/qdio_debug.c

···
 			debug_unregister(irq_ptr->debug_area);
 			return -ENOMEM;
 		}
-		strlcpy(new_entry->dbf_name, text, QDIO_DBF_NAME_LEN);
+		strscpy(new_entry->dbf_name, text, QDIO_DBF_NAME_LEN);
 		new_entry->dbf_info = irq_ptr->debug_area;
 		mutex_lock(&qdio_dbf_list_mutex);
 		list_add(&new_entry->dbf_list, &qdio_dbf_list);

drivers/s390/net/ctcm_main.c

···
 		goto out_dev;
 	}
 
-	strlcpy(priv->fsm->name, dev->name, sizeof(priv->fsm->name));
+	strscpy(priv->fsm->name, dev->name, sizeof(priv->fsm->name));
 
 	dev_info(&dev->dev,
 		"setup OK : r/w = %s/%s, protocol : %d\n",

drivers/s390/net/fsm.c

···
 			"fsm(%s): init_fsm: Couldn't alloc instance\n", name);
 		return NULL;
 	}
-	strlcpy(this->name, name, sizeof(this->name));
+	strscpy(this->name, name, sizeof(this->name));
 	init_waitqueue_head(&this->wait_q);
 
 	f = kzalloc(sizeof(fsm), order);

drivers/s390/net/qeth_ethtool.c

···
 {
 	struct qeth_card *card = dev->ml_priv;
 
-	strlcpy(info->driver, IS_LAYER2(card) ? "qeth_l2" : "qeth_l3",
+	strscpy(info->driver, IS_LAYER2(card) ? "qeth_l2" : "qeth_l3",
 		sizeof(info->driver));
-	strlcpy(info->fw_version, card->info.mcl_level,
+	strscpy(info->fw_version, card->info.mcl_level,
 		sizeof(info->fw_version));
 	snprintf(info->bus_info, sizeof(info->bus_info), "%s/%s/%s",
 		 CARD_RDEV_ID(card), CARD_WDEV_ID(card), CARD_DDEV_ID(card));

drivers/s390/scsi/zfcp_aux.c

···
 	token = strsep(&str, ",");
 	if (!token || strlen(token) >= ZFCP_BUS_ID_SIZE)
 		goto err_out;
-	strlcpy(busid, token, ZFCP_BUS_ID_SIZE);
+	strscpy(busid, token, ZFCP_BUS_ID_SIZE);
 
 	token = strsep(&str, ",");
 	if (!token || kstrtoull(token, 0, (unsigned long long *) &wwpn))

drivers/s390/scsi/zfcp_fc.c

···
 			 dev_name(&adapter->ccw_device->dev),
 			 init_utsname()->nodename);
 	else
-		strlcpy(fc_host_symbolic_name(adapter->scsi_host),
+		strscpy(fc_host_symbolic_name(adapter->scsi_host),
 			gspn_rsp->gspn.fp_name, FC_SYMBOLIC_NAME_SIZE);
 
 	return 0;