add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/drivers/firewire/sbp2.c
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@@ -1,21 +1,8 @@
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+// SPDX-License-Identifier: GPL-2.0-or-later
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 /*
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  * SBP2 driver (SCSI over IEEE1394)
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  *
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  * Copyright (C) 2005-2007  Kristian Hoegsberg <krh@bitplanet.net>
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- *
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- * This program is free software; you can redistribute it and/or modify
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- * it under the terms of the GNU General Public License as published by
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- * the Free Software Foundation; either version 2 of the License, or
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- * (at your option) any later version.
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- *
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- * This program is distributed in the hope that it will be useful,
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- * but WITHOUT ANY WARRANTY; without even the implied warranty of
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- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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- * GNU General Public License for more details.
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- *
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- * You should have received a copy of the GNU General Public License
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- * along with this program; if not, write to the Free Software Foundation,
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- * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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  */
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 /*
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@@ -421,7 +408,7 @@
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 			      void *payload, size_t length, void *callback_data)
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 {
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 	struct sbp2_logical_unit *lu = callback_data;
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-	struct sbp2_orb *orb;
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+	struct sbp2_orb *orb = NULL, *iter;
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 	struct sbp2_status status;
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 	unsigned long flags;
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@@ -446,17 +433,18 @@
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 	/* Lookup the orb corresponding to this status write. */
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 	spin_lock_irqsave(&lu->tgt->lock, flags);
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-	list_for_each_entry(orb, &lu->orb_list, link) {
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+	list_for_each_entry(iter, &lu->orb_list, link) {
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 		if (STATUS_GET_ORB_HIGH(status) == 0 &&
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-		    STATUS_GET_ORB_LOW(status) == orb->request_bus) {
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-			orb->rcode = RCODE_COMPLETE;
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-			list_del(&orb->link);
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+		    STATUS_GET_ORB_LOW(status) == iter->request_bus) {
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+			iter->rcode = RCODE_COMPLETE;
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+			list_del(&iter->link);
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+			orb = iter;
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 			break;
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 		}
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 	}
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 	spin_unlock_irqrestore(&lu->tgt->lock, flags);
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-	if (&orb->link != &lu->orb_list) {
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+	if (orb) {
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 		orb->callback(orb, &status);
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 		kref_put(&orb->kref, free_orb); /* orb callback reference */
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 	} else {
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@@ -1144,10 +1132,6 @@
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 	if (device->is_local)
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 		return -ENODEV;
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-	if (dma_get_max_seg_size(device->card->device) > SBP2_MAX_SEG_SIZE)
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-		WARN_ON(dma_set_max_seg_size(device->card->device,
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-					     SBP2_MAX_SEG_SIZE));
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-
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 	shost = scsi_host_alloc(&scsi_driver_template, sizeof(*tgt));
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 	if (shost == NULL)
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 		return -ENOMEM;
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@@ -1610,7 +1594,7 @@
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 	.eh_abort_handler	= sbp2_scsi_abort,
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 	.this_id		= -1,
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 	.sg_tablesize		= SG_ALL,
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-	.use_clustering		= ENABLE_CLUSTERING,
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+	.max_segment_size	= SBP2_MAX_SEG_SIZE,
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 	.can_queue		= 1,
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 	.sdev_attrs		= sbp2_scsi_sysfs_attrs,
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 };