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Diffstat (limited to 'drivers/connector/cn_queue.c')
-rw-r--r--drivers/connector/cn_queue.c28
1 files changed, 7 insertions, 21 deletions
diff --git a/drivers/connector/cn_queue.c b/drivers/connector/cn_queue.c
index 1f8bf054d11c..996f025eb63c 100644
--- a/drivers/connector/cn_queue.c
+++ b/drivers/connector/cn_queue.c
@@ -1,23 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* cn_queue.c
*
* 2004+ Copyright (c) Evgeniy Polyakov <zbr@ioremap.net>
* All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- *
*/
#include <linux/kernel.h>
@@ -33,7 +19,7 @@
static struct cn_callback_entry *
cn_queue_alloc_callback_entry(struct cn_queue_dev *dev, const char *name,
- struct cb_id *id,
+ const struct cb_id *id,
void (*callback)(struct cn_msg *,
struct netlink_skb_parms *))
{
@@ -45,7 +31,7 @@ cn_queue_alloc_callback_entry(struct cn_queue_dev *dev, const char *name,
return NULL;
}
- atomic_set(&cbq->refcnt, 1);
+ refcount_set(&cbq->refcnt, 1);
atomic_inc(&dev->refcnt);
cbq->pdev = dev;
@@ -58,20 +44,20 @@ cn_queue_alloc_callback_entry(struct cn_queue_dev *dev, const char *name,
void cn_queue_release_callback(struct cn_callback_entry *cbq)
{
- if (!atomic_dec_and_test(&cbq->refcnt))
+ if (!refcount_dec_and_test(&cbq->refcnt))
return;
atomic_dec(&cbq->pdev->refcnt);
kfree(cbq);
}
-int cn_cb_equal(struct cb_id *i1, struct cb_id *i2)
+int cn_cb_equal(const struct cb_id *i1, const struct cb_id *i2)
{
return ((i1->idx == i2->idx) && (i1->val == i2->val));
}
int cn_queue_add_callback(struct cn_queue_dev *dev, const char *name,
- struct cb_id *id,
+ const struct cb_id *id,
void (*callback)(struct cn_msg *,
struct netlink_skb_parms *))
{
@@ -104,7 +90,7 @@ int cn_queue_add_callback(struct cn_queue_dev *dev, const char *name,
return 0;
}
-void cn_queue_del_callback(struct cn_queue_dev *dev, struct cb_id *id)
+void cn_queue_del_callback(struct cn_queue_dev *dev, const struct cb_id *id)
{
struct cn_callback_entry *cbq, *n;
int found = 0;