watchdog_stop identifier - Linux source code next-20260811

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linux

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FIXME
- FIXME
  - next-20260811

Documented in 1 files:

drivers/watchdog/watchdog_dev.c, line 282

Defined in 4 files as a function:

Referenced in 5 files:

Smatch caller information:

drivers/hwmon/fschmd.c fschmd_remove() -> watchdog_stop()

Type	Parameter	Key	Value
PARAM_VALUE	0	wdd	4096-ptr_max
PARAM_VALUE	0	wdd->watchdog_is_open	1-u64max
PARAM_VALUE	0	wdd->watchdog_miscdev.list.next->prev	4096-ptr_max
PARAM_VALUE	0	wdd->watchdog_miscdev.list.prev->next	4096-ptr_max
PARAM_VALUE	0	wdd->watchdog_miscdev.minor	s32min-(-1),1-255
BUF_SIZE	0	wdd	s32min-(-2),1-s32max
BUF_SIZE	0	wdd	s32min-(-2),1-s32max
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
UNITS	0	wdd	unit_byte

drivers/hwmon/fschmd.c watchdog_ioctl() -> watchdog_stop()

Type	Parameter	Key	Value
BUF_SIZE	0	wdd	s32min-(-2),1-s32max
BUF_SIZE	0	wdd	s32min-(-2),1-s32max

drivers/hwmon/fschmd.c watchdog_release() -> watchdog_stop()

Type	Parameter	Key	Value
PARAM_VALUE	0	wdd	4096-ptr_max
PARAM_VALUE	0	wdd->watchdog_expect_close	1-255
BUF_SIZE	0	wdd	(-1),26
BUF_SIZE	0	wdd	(-1),26
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL

drivers/watchdog/watchdog_dev.c watchdog_cdev_unregister() -> watchdog_stop()

Type	Parameter	Key	Value
PARAM_VALUE	0	wdd	4096-ptr_max
PARAM_VALUE	0	wdd->gov->pretimeout	1268917509790052352,5726959993742688256,7586697599874490368
PARAM_VALUE	0	wdd->info	4096-ptr_max
PARAM_VALUE	0	wdd->ops	4096-ptr_max
PARAM_VALUE	0	wdd->wd_data	4096-ptr_max
PARAM_VALUE	0	wdd->wd_data->cdev.kobj.release->timer->entry.pprev	4096-ptr_max
PARAM_VALUE	0	wdd->wd_data->cdev.kobj.release.work.entry.next->prev	4096-ptr_max
PARAM_VALUE	0	wdd->wd_data->dev->driver_data->cis_virt	(-4611686018427387904)-4611686018427387903
PARAM_VALUE	0	wdd->wd_data->dev->driver_data->fake_cis	0-255
PARAM_VALUE	0	wdd->wd_data->dev->driver_data->skt_mutex.first_waiter->task->blocked_lock.owner	(-4611686018427387904)-4611686018427387903
PARAM_VALUE	0	wdd->wd_data->dev->kobj.parent->kset->kobj.release.timer->entry->next->pprev	1-u64max
PARAM_VALUE	0	wdd->wd_data->dev->kobj.release.timer->entry->next->pprev	1-u64max
PARAM_VALUE	0	wdd->wd_data->dev->kobj.release.timer->entry.pprev	4096-ptr_max
PARAM_VALUE	0	wdd->wd_data->dev->p->knode_bus.n_klist	(-4611686018427387904)-4611686018427387903
PARAM_VALUE	0	wdd->wd_data->dev->p->knode_class.n_klist	(-4611686018427387904)-4611686018427387903
PARAM_VALUE	0	wdd->wd_data->dev->p->knode_driver.n_klist	(-4611686018427387904)-4611686018427387903
PARAM_VALUE	0	wdd->wd_data->dev->p->knode_parent.n_klist	(-4611686018427387904)-4611686018427387903
PARAM_VALUE	0	wdd->wd_data->dev.devres_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	wdd->wd_data->dev.driver_data->battery_dev->id	(-2)
PARAM_VALUE	0	wdd->wd_data->dev.driver_data->callback->add	5235430000054906880
PARAM_VALUE	0	wdd->wd_data->dev.driver_data->callback->early_resume	6956900869090054144
PARAM_VALUE	0	wdd->wd_data->dev.driver_data->callback->remove	1719268733136482304
PARAM_VALUE	0	wdd->wd_data->dev.driver_data->callback->requery	4713442613417914368
PARAM_VALUE	0	wdd->wd_data->dev.driver_data->callback->resume	5068206944467017728
PARAM_VALUE	0	wdd->wd_data->dev.driver_data->callback->suspend	2738892915008757760
PARAM_VALUE	0	wdd->wd_data->dev.driver_data->callback->validate	4934365872137547776
PARAM_VALUE	0	wdd->wd_data->dev.driver_data->cdev->kobj.release.timer.is_hard	0-1
PARAM_VALUE	0	wdd->wd_data->dev.driver_data->cdev->kobj.release.timer.is_lazy	0-1
PARAM_VALUE	0	wdd->wd_data->dev.driver_data->cdev->kobj.release.timer.is_queued	0-1
PARAM_VALUE	0	wdd->wd_data->dev.driver_data->cdev->kobj.release.timer.is_soft	0-1
PARAM_VALUE	0	wdd->wd_data->dev.driver_data->cis_mem.card_start	0-4294967295
PARAM_VALUE	0	wdd->wd_data->dev.driver_data->cis_mem.flags	0,2-254
PARAM_VALUE	0	wdd->wd_data->dev.driver_data->d_ref.refcount.refs.counter	s32min-s32max
PARAM_VALUE	0	wdd->wd_data->dev.driver_data->detaching.counter	s32min-s32max
PARAM_VALUE	0	wdd->wd_data->dev.driver_data->dev.kobj.kref.refcount.refs.counter	s32min-s32max
PARAM_VALUE	0	wdd->wd_data->dev.driver_data->dev.kobj.release.cpu	s32min-s32max
PARAM_VALUE	0	wdd->wd_data->dev.driver_data->dev.kobj.release.timer.flags	0-4294967295
PARAM_VALUE	0	wdd->wd_data->dev.driver_data->dev.kobj.release.timer.is_hard	0-1
PARAM_VALUE	0	wdd->wd_data->dev.driver_data->dev.kobj.release.timer.is_lazy	0-1
PARAM_VALUE	0	wdd->wd_data->dev.driver_data->dev.kobj.release.timer.is_queued	0-1
PARAM_VALUE	0	wdd->wd_data->dev.driver_data->dev.kobj.release.timer.is_soft	0-1
PARAM_VALUE	0	wdd->wd_data->dev.driver_data->dev.kobj.release.work.flags	0-4294967295
PARAM_VALUE	0	wdd->wd_data->dev.driver_data->dev.kobj.release.work.is_hard	0-1
PARAM_VALUE	0	wdd->wd_data->dev.driver_data->dev.kobj.release.work.is_lazy	0-1
PARAM_VALUE	0	wdd->wd_data->dev.driver_data->dev.kobj.release.work.is_queued	0-1
PARAM_VALUE	0	wdd->wd_data->dev.driver_data->dev.kobj.release.work.is_soft	0-1
PARAM_VALUE	0	wdd->wd_data->dev.driver_data->dev.parent->kobj.release.wq->dfl_pwq	0-s64max
PARAM_VALUE	0	wdd->wd_data->dev.driver_data->dev.parent->kobj.release.wq->saved_max_active	s32min-s32max
PARAM_VALUE	0	wdd->wd_data->dev.driver_data->dev.parent->kobj.release.wq->saved_min_active	s32min-s32max
PARAM_VALUE	0	wdd->wd_data->dev.driver_data->device_count	0-1
PARAM_VALUE	0	wdd->wd_data->dev.driver_data->functions	0-u16max
PARAM_VALUE	0	wdd->wd_data->dev.driver_data->ops_mutex->first_waiter->task->blocked_lock.owner	(-4611686018427387904)-4611686018427387903
PARAM_VALUE	0	wdd->wd_data->dev.driver_data->ops_mutex.dep_map->name	0-255
PARAM_VALUE	0	wdd->wd_data->dev.driver_data->ops_mutex.first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	0	wdd->wd_data->dev.driver_data->ops_mutex.first_waiter->list.prev->prev	0,5159360019465732096
PARAM_VALUE	0	wdd->wd_data->dev.driver_data->ops_mutex.first_waiter->magic	5159360019465732096
PARAM_VALUE	0	wdd->wd_data->dev.driver_data->ops_mutex.first_waiter->task->blocked_lock.owner	(-1)
PARAM_VALUE	0	wdd->wd_data->dev.driver_data->ops_mutex.first_waiter->task->blocked_on	(-1)-0
PARAM_VALUE	0	wdd->wd_data->dev.driver_data->ops_mutex.first_waiter->task->usage.refs.counter	s32min-s32max
PARAM_VALUE	0	wdd->wd_data->dev.driver_data->ops_mutex.osq.tail.counter	s32min-s32max
PARAM_VALUE	0	wdd->wd_data->dev.driver_data->pcmcia_pfc	0-255
PARAM_VALUE	0	wdd->wd_data->dev.driver_data->present.counter	s32min-s32max
PARAM_VALUE	0	wdd->wd_data->dev.driver_data->resource_setup_done	0-255
PARAM_VALUE	0	wdd->wd_data->dev.driver_data->sfd_lock.dep_map->name	0-255
PARAM_VALUE	0	wdd->wd_data->dev.driver_data->sfd_lock.raw_lock.cnts.counter	s32min-s32max
PARAM_VALUE	0	wdd->wd_data->dev.driver_data->skt_mutex.dep_map->name	0-255
PARAM_VALUE	0	wdd->wd_data->dev.driver_data->skt_mutex.first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	0	wdd->wd_data->dev.driver_data->skt_mutex.first_waiter->list.prev->prev	5159360019465732096
PARAM_VALUE	0	wdd->wd_data->dev.driver_data->skt_mutex.first_waiter->task->blocked_lock.owner	(-1)
PARAM_VALUE	0	wdd->wd_data->dev.driver_data->skt_mutex.first_waiter->task->blocked_on	(-1)-0
PARAM_VALUE	0	wdd->wd_data->dev.driver_data->skt_mutex.first_waiter->task->usage.refs.counter	s32min-s32max
PARAM_VALUE	0	wdd->wd_data->dev.driver_data->skt_mutex.osq.tail.counter	0-s32max
PARAM_VALUE	0	wdd->wd_data->dev.driver_data->state	0-4294967295
PARAM_VALUE	0	wdd->wd_data->dev.driver_data->touch_dev->id	(-2)
PARAM_VALUE	0	wdd->wd_data->dev.groups	0,4096-ptr_max
PARAM_VALUE	0	wdd->wd_data->dev.iommu_group->mutex->first_waiter->task->blocked_lock.owner	(-4611686018427387904)-4611686018427387903
PARAM_VALUE	0	wdd->wd_data->dev.iommu_group->mutex->wait_lock.owner	(-4611686018427387904)-4611686018427387903
PARAM_VALUE	0	wdd->wd_data->dev.iommu_group->owner_cnt	0-4294967295
PARAM_VALUE	0	wdd->wd_data->dev.kobj.parent	0
PARAM_VALUE	0	wdd->wd_data->dev.kobj.parent->kset->kobj.release->timer->entry.pprev	4096-ptr_max
PARAM_VALUE	0	wdd->wd_data->dev.kobj.parent->kset->kobj.release.timer.is_hard	0-1
PARAM_VALUE	0	wdd->wd_data->dev.kobj.parent->kset->kobj.release.timer.is_lazy	0-1
PARAM_VALUE	0	wdd->wd_data->dev.kobj.parent->kset->kobj.release.timer.is_queued	0-1
PARAM_VALUE	0	wdd->wd_data->dev.kobj.parent->kset->kobj.release.timer.is_soft	0-1
PARAM_VALUE	0	wdd->wd_data->dev.kobj.parent->kset->list_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	wdd->wd_data->dev.kobj.parent->release.work.entry.next->prev	4096-ptr_max
PARAM_VALUE	0	wdd->wd_data->dev.kobj.release->timer->entry.pprev	4096-ptr_max
PARAM_VALUE	0	wdd->wd_data->dev.kobj.release.work.flags	0-4294967295
PARAM_VALUE	0	wdd->wd_data->dev.kobj.release.work.is_hard	0-1
PARAM_VALUE	0	wdd->wd_data->dev.kobj.release.work.is_lazy	0-1
PARAM_VALUE	0	wdd->wd_data->dev.kobj.release.work.is_queued	0-1
PARAM_VALUE	0	wdd->wd_data->dev.kobj.release.work.is_soft	0-1
PARAM_VALUE	0	wdd->wd_data->dev.kobj.sd	0
PARAM_VALUE	0	wdd->wd_data->dev.kobj.state_in_sysfs	0
PARAM_VALUE	0	wdd->wd_data->dev.links.defer_sync.next	4096-ptr_max
PARAM_VALUE	0	wdd->wd_data->dev.links.defer_sync.next->next	4096-ptr_max
PARAM_VALUE	0	wdd->wd_data->dev.links.defer_sync.next->prev	4096-ptr_max
PARAM_VALUE	0	wdd->wd_data->dev.links.defer_sync.prev	4096-ptr_max
PARAM_VALUE	0	wdd->wd_data->dev.links.defer_sync.prev->next	4096-ptr_max
PARAM_VALUE	0	wdd->wd_data->dev.links.defer_sync.prev->prev	4096-ptr_max
PARAM_VALUE	0	wdd->wd_data->dev.links.status	0,3
PARAM_VALUE	0	wdd->wd_data->dev.mutex->first_waiter->task->blocked_lock.owner	(-4611686018427387904)-4611686018427387903
PARAM_VALUE	0	wdd->wd_data->dev.p	4096-ptr_max
PARAM_VALUE	0	wdd->wd_data->dev.p->dead	0-1
PARAM_VALUE	0	wdd->wd_data->dev.p->knode_bus.n_ref.refcount.refs.counter	s32min-s32max
PARAM_VALUE	0	wdd->wd_data->dev.p->knode_class->n_klist	(-4611686018427387904)-4611686018427387903
PARAM_VALUE	0	wdd->wd_data->dev.p->knode_driver.n_ref.refcount.refs.counter	s32min-s32max
PARAM_VALUE	0	wdd->wd_data->dev.p->knode_parent->n_klist	(-4611686018427387904)-4611686018427387903
PARAM_VALUE	0	wdd->wd_data->dev.parent->kobj.release->timer->entry.pprev	4096-ptr_max
PARAM_VALUE	0	wdd->wd_data->dev.parent->kobj.release.timer.is_hard	0-1
PARAM_VALUE	0	wdd->wd_data->dev.parent->kobj.release.timer.is_lazy	0-1
PARAM_VALUE	0	wdd->wd_data->dev.parent->kobj.release.timer.is_queued	0-1
PARAM_VALUE	0	wdd->wd_data->dev.parent->kobj.release.timer.is_soft	0-1
PARAM_VALUE	0	wdd->wd_data->dev.parent->kobj.release.work.entry.next->prev	4096-ptr_max
PARAM_VALUE	0	wdd->wd_data->dev.parent->kobj.release.work.flags	0-4294967295
PARAM_VALUE	0	wdd->wd_data->dev.parent->kobj.release.work.is_hard	0-1
PARAM_VALUE	0	wdd->wd_data->dev.parent->kobj.release.work.is_lazy	0-1
PARAM_VALUE	0	wdd->wd_data->dev.parent->kobj.release.work.is_queued	0-1
PARAM_VALUE	0	wdd->wd_data->dev.parent->kobj.release.work.is_soft	0-1
PARAM_VALUE	0	wdd->wd_data->dev.parent->kobj.release.wq->dfl_pwq	0-s64max
PARAM_VALUE	0	wdd->wd_data->dev.parent->kobj.release.wq->saved_max_active	s32min-s32max
PARAM_VALUE	0	wdd->wd_data->dev.parent->kobj.release.wq->saved_min_active	s32min-s32max
PARAM_VALUE	0	wdd->wd_data->dev.pm_domain	0,4096-ptr_max
PARAM_VALUE	0	wdd->wd_data->dev.power.driver_flags	0
PARAM_VALUE	0	wdd->wd_data->dev.power.entry.next->next	4096-ptr_max
PARAM_VALUE	0	wdd->wd_data->dev.power.entry.prev->next	4096-ptr_max
PARAM_VALUE	0	wdd->wd_data->dev.power.entry.prev->prev	4096-ptr_max
PARAM_VALUE	0	wdd->wd_data->dev.power.in_dpm_list	0
PARAM_VALUE	0	wdd->wd_data->dev.power.irq_safe	0
PARAM_VALUE	0	wdd->wd_data->dev.power.subsys_data	0,4096-ptr_max
PARAM_VALUE	0	wdd->wd_data->dev.power.use_autosuspend	0
PARAM_VALUE	0	wdd->wd_data->dev.power.wakeirq->status	0-4294967295
PARAM_VALUE	0	wdd->wd_data->dev.type	0,4096-ptr_max
BUF_SIZE	0	wdd->groups	(-1),16
BUF_SIZE	0	wdd->info	(-1),40
BUF_SIZE	0	wdd->ops	(-1),80
BUF_SIZE	0	wdd->parent	(-1),1616
CAPPED_DATA	0	wdd	1
DATA_SOURCE	0	wdd	$0
STR_LEN	0	wdd->info->identity	(-1),31
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HOST_DATA	0	wdd->timeout	1-u32max[c]
NO_OVERFLOW_SIMPLE	0	wdd->timeout
LOCK2		global &wtd_deferred_reg_mutex

drivers/watchdog/watchdog_dev.c watchdog_ioctl() -> watchdog_stop()

Type	Parameter	Key	Value
PARAM_VALUE	0	wdd	4096-ptr_max
PARAM_VALUE	0	wdd->ops	4096-ptr_max
LOCK2		&wd_data->lock
TYPE_LOCK		(struct watchdog_core_data)->lock

drivers/watchdog/watchdog_dev.c watchdog_release() -> watchdog_stop()

Type	Parameter	Key	Value
PARAM_VALUE	0	wdd	4096-ptr_max
PARAM_VALUE	0	wdd->info	4096-ptr_max
RX_PATH
TASK_NOT_RUNNING
LOCK2		&wd_data->lock
TYPE_LOCK		(struct watchdog_core_data)->lock

drivers/watchdog/watchdog_core.c watchdog_reboot_notifier() -> (struct watchdog_ops)->stop()

Type	Key	Value
PARAM_VALUE	wdd	4096-ptr_max
PARAM_VALUE	wdd->ops	4096-ptr_max
CONTAINER	-16-32+0	$(-1)

drivers/watchdog/watchdog_dev.c watchdog_stop() -> (struct watchdog_ops)->stop()

Type	Parameter	Key	Value
PARAM_VALUE	0	wdd	4096-ptr_max
PARAM_VALUE	0	wdd->gov->pretimeout	1268917509790052352,5726959993742688256,7586697599874490368
PARAM_VALUE	0	wdd->ops	4096-ptr_max
PARAM_VALUE	0	wdd->ops->stop	1-u64max
PARAM_VALUE	0	wdd->wd_data->dev.power.wakeirq->status	0-4294967295
BUF_SIZE	0	wdd->groups	(-1)-0,16
BUF_SIZE	0	wdd->info	(-1),40
BUF_SIZE	0	wdd->ops	(-1),80
BUF_SIZE	0	wdd->parent	(-1),1616
CAPPED_DATA	0	wdd	1
DATA_SOURCE	0	wdd	$0
STR_LEN	0	wdd->info->identity	(-1),31
CONTAINER	0	-16-32+0	$(-1)
RX_PATH
TASK_NOT_RUNNING
HOST_DATA	0	wdd->timeout	1-u32max[c]
NO_OVERFLOW_SIMPLE	0	wdd->timeout
HALF_LOCKED2		&wd_data->lock
HALF_LOCKED2		global &wtd_deferred_reg_mutex