From 9d77db3c730780c8ef5ccd4b66403ff5675cfe4e Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 13 May 2024 10:30:14 +0000
Subject: [PATCH] modify sin led gpio
---
kernel/drivers/w1/w1.c | 25 ++++++++++---------------
1 files changed, 10 insertions(+), 15 deletions(-)
diff --git a/kernel/drivers/w1/w1.c b/kernel/drivers/w1/w1.c
index 890c038..1c1a943 100644
--- a/kernel/drivers/w1/w1.c
+++ b/kernel/drivers/w1/w1.c
@@ -1,15 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright (c) 2004 Evgeniy Polyakov <zbr@ioremap.net>
- *
- * 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.
*/
#include <linux/delay.h>
@@ -169,7 +160,7 @@
NULL,
};
-static struct w1_family_ops w1_default_fops = {
+static const struct w1_family_ops w1_default_fops = {
.groups = w1_slave_default_groups,
};
@@ -622,7 +613,7 @@
static int w1_family_notify(unsigned long action, struct w1_slave *sl)
{
- struct w1_family_ops *fops;
+ const struct w1_family_ops *fops;
int err;
fops = sl->family->fops;
@@ -1140,6 +1131,8 @@
/* remainder if it woke up early */
unsigned long jremain = 0;
+ atomic_inc(&dev->refcnt);
+
for (;;) {
if (!jremain && dev->search_count) {
@@ -1167,8 +1160,10 @@
*/
mutex_unlock(&dev->list_mutex);
- if (kthread_should_stop())
+ if (kthread_should_stop()) {
+ __set_current_state(TASK_RUNNING);
break;
+ }
/* Only sleep when the search is active. */
if (dev->search_count) {
@@ -1233,10 +1228,10 @@
static void __exit w1_fini(void)
{
- struct w1_master *dev;
+ struct w1_master *dev, *n;
/* Set netlink removal messages and some cleanup */
- list_for_each_entry(dev, &w1_masters, w1_master_entry)
+ list_for_each_entry_safe(dev, n, &w1_masters, w1_master_entry)
__w1_remove_master_device(dev);
w1_fini_netlink();
--
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