diff options
Diffstat (limited to 'drivers/watchdog/watchdog_pretimeout.c')
| -rw-r--r-- | drivers/watchdog/watchdog_pretimeout.c | 21 |
1 files changed, 9 insertions, 12 deletions
diff --git a/drivers/watchdog/watchdog_pretimeout.c b/drivers/watchdog/watchdog_pretimeout.c index 9db07bfb4334..2526436dc74d 100644 --- a/drivers/watchdog/watchdog_pretimeout.c +++ b/drivers/watchdog/watchdog_pretimeout.c @@ -1,19 +1,17 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * Copyright (C) 2015-2016 Mentor Graphics - * - * 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. - * */ #include <linux/list.h> #include <linux/slab.h> #include <linux/spinlock.h> #include <linux/string.h> +#include <linux/sysfs.h> +#include <linux/types.h> #include <linux/watchdog.h> +#include "watchdog_core.h" #include "watchdog_pretimeout.h" /* Default watchdog pretimeout governor */ @@ -60,7 +58,7 @@ int watchdog_pretimeout_available_governors_get(char *buf) mutex_lock(&governor_lock); list_for_each_entry(priv, &governor_list, entry) - count += sprintf(buf + count, "%s\n", priv->gov->name); + count += sysfs_emit_at(buf, count, "%s\n", priv->gov->name); mutex_unlock(&governor_lock); @@ -73,7 +71,7 @@ int watchdog_pretimeout_governor_get(struct watchdog_device *wdd, char *buf) spin_lock_irq(&pretimeout_lock); if (wdd->gov) - count = sprintf(buf, "%s\n", wdd->gov->name); + count = sysfs_emit(buf, "%s\n", wdd->gov->name); spin_unlock_irq(&pretimeout_lock); return count; @@ -182,7 +180,7 @@ int watchdog_register_pretimeout(struct watchdog_device *wdd) { struct watchdog_pretimeout *p; - if (!(wdd->info->options & WDIOF_PRETIMEOUT)) + if (!watchdog_have_pretimeout(wdd)) return 0; p = kzalloc(sizeof(*p), GFP_KERNEL); @@ -202,7 +200,7 @@ void watchdog_unregister_pretimeout(struct watchdog_device *wdd) { struct watchdog_pretimeout *p, *t; - if (!(wdd->info->options & WDIOF_PRETIMEOUT)) + if (!watchdog_have_pretimeout(wdd)) return; spin_lock_irq(&pretimeout_lock); @@ -211,10 +209,9 @@ void watchdog_unregister_pretimeout(struct watchdog_device *wdd) list_for_each_entry_safe(p, t, &pretimeout_list, entry) { if (p->wdd == wdd) { list_del(&p->entry); + kfree(p); break; } } spin_unlock_irq(&pretimeout_lock); - - kfree(p); } |