hub_free_dev identifier - Linux source code next-20260811

Projects

linux

Versions

FIXME
- FIXME
  - next-20260811

Defined in 1 files as a function:

drivers/usb/core/hub.c, line 2282 (as a function)

Referenced in 1 files:

drivers/usb/core/hub.c
- line 2396
- line 5608

Smatch caller information:

drivers/usb/core/hub.c hub_port_connect() -> hub_free_dev()

Type	Parameter	Key	Value
PARAM_VALUE	0	udev	4096-ptr_max
PARAM_VALUE	0	udev->bus->devnum_next	1-65
PARAM_VALUE	0	udev->bus->devnum_next_mutex.dep_map->name	0-255
PARAM_VALUE	0	udev->bus->devnum_next_mutex.first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	0	udev->bus->devnum_next_mutex.first_waiter->task->blocked_lock.dep_map->name	0-255
PARAM_VALUE	0	udev->bus->devnum_next_mutex.first_waiter->task->blocked_lock.owner	(-1)
PARAM_VALUE	0	udev->bus->devnum_next_mutex.first_waiter->task->blocked_lock.owner_cpu	4294967295
PARAM_VALUE	0	udev->bus->devnum_next_mutex.first_waiter->task->blocked_lock.raw_lock.val.counter	s32min-s32max
PARAM_VALUE	0	udev->bus->devnum_next_mutex.first_waiter->task->usage.refs.counter	s32min-s32max
PARAM_VALUE	0	udev->bus->devnum_next_mutex.osq.tail.counter	0-s32max
PARAM_VALUE	0	udev->bus->sysdev	4096-ptr_max
PARAM_VALUE	0	udev->dev.devres_head.next->next	4096-ptr_max
PARAM_VALUE	0	udev->dev.devres_head.prev->next	4096-ptr_max
PARAM_VALUE	0	udev->dev.devres_head.prev->prev	4096-ptr_max
PARAM_VALUE	0	udev->dev.dma_io_tlb_mem->dyn_alloc.data.counter	9007199250546704
PARAM_VALUE	0	udev->dev.dma_io_tlb_mem->dyn_alloc.entry.prev	1473117533515866344
PARAM_VALUE	0	udev->dev.dma_io_tlb_mem->dyn_alloc.func	1583282886040592384
PARAM_VALUE	0	udev->dev.dma_io_tlb_mem->pools.prev	1473117533515866320
PARAM_VALUE	0	udev->dev.dma_io_tlb_pools.next->next	4096-ptr_max
PARAM_VALUE	0	udev->dev.dma_io_tlb_pools.prev->next	4096-ptr_max
PARAM_VALUE	0	udev->dev.dma_io_tlb_pools.prev->prev	4096-ptr_max
PARAM_VALUE	0	udev->dev.dma_pools.next->next	4096-ptr_max
PARAM_VALUE	0	udev->dev.dma_pools.prev->next	4096-ptr_max
PARAM_VALUE	0	udev->dev.dma_pools.prev->prev	4096-ptr_max
PARAM_VALUE	0	udev->dev.flags	4096-ptr_max
PARAM_VALUE	0	udev->dev.kobj.sd->attr.open->nr_mmapped	0-4294967295
PARAM_VALUE	0	udev->dev.links.consumers.next->next	4096-ptr_max
PARAM_VALUE	0	udev->dev.links.consumers.prev->next	4096-ptr_max
PARAM_VALUE	0	udev->dev.links.consumers.prev->prev	4096-ptr_max
PARAM_VALUE	0	udev->dev.links.defer_sync.next->next	4096-ptr_max
PARAM_VALUE	0	udev->dev.links.defer_sync.prev->next	4096-ptr_max
PARAM_VALUE	0	udev->dev.links.defer_sync.prev->prev	4096-ptr_max
PARAM_VALUE	0	udev->dev.links.suppliers.next->next	4096-ptr_max
PARAM_VALUE	0	udev->dev.links.suppliers.prev->next	4096-ptr_max
PARAM_VALUE	0	udev->dev.links.suppliers.prev->prev	4096-ptr_max
PARAM_VALUE	0	udev->dev.of_node->properties	4096-ptr_max
PARAM_VALUE	0	udev->dev.power.entry.next->next	4096-ptr_max
PARAM_VALUE	0	udev->dev.power.entry.prev->next	4096-ptr_max
PARAM_VALUE	0	udev->dev.power.entry.prev->prev	4096-ptr_max
PARAM_VALUE	0	udev->dev.power.wait_queue.head.next->next	4096-ptr_max
PARAM_VALUE	0	udev->dev.power.wait_queue.head.prev->next	4096-ptr_max
PARAM_VALUE	0	udev->dev.power.wait_queue.head.prev->prev	4096-ptr_max
PARAM_VALUE	0	udev->dev.power.wakeirq->status	0-4294967295
PARAM_VALUE	0	udev->devnum	s32min-0
PARAM_VALUE	0	udev->ep0.enabled	1
PARAM_VALUE	0	udev->ep0.hcpriv->data_toggle	0
PARAM_VALUE	0	udev->ep0.hcpriv->needs_rescan	0-1
PARAM_VALUE	0	udev->ep0.hcpriv->qh_next.ptr	0
PARAM_VALUE	0	udev->ep0.hcpriv->qh_state	2,4
PARAM_VALUE	0	udev->ep0.hcpriv->unlink_cycle	0-4294967295
PARAM_VALUE	0	udev->ep0.hcpriv->unlink_reason	0-255
PARAM_VALUE	0	udev->ep0.urb_list.next->next	4096-ptr_max
PARAM_VALUE	0	udev->ep0.urb_list.prev->next	4096-ptr_max
PARAM_VALUE	0	udev->ep0.urb_list.prev->prev	4096-ptr_max
PARAM_VALUE	0	udev->filelist.next->next	4096-ptr_max
PARAM_VALUE	0	udev->filelist.prev->next	4096-ptr_max
PARAM_VALUE	0	udev->filelist.prev->prev	4096-ptr_max
PARAM_VALUE	0	udev->usb4_link->link_dev.kobj.sd->attr.open->nr_mmapped	0-4294967295
PARAM_VALUE	0	udev->usb4_link->link_dev.power.wakeirq->status	0-4294967295
PARAM_VALUE	0	udev->usb4_link->supplier->power.wakeirq->status	0-4294967295
PARAM_VALUE	0	*udev->toggle	0-4294967295
BUF_SIZE	0	udev	2344
NOCHECK_CALL
LOCK2		&hdev->dev.mutex
LOCK2		&port_dev->status_lock
HALF_LOCKED2		&pool->lock
HALF_LOCKED2		&port_dev->status_lock
HALF_LOCKED2		hcd->address0_mutex
TYPE_LOCK		(struct device)->mutex

drivers/usb/core/hub.c usb_disconnect() -> hub_free_dev()

Type	Parameter	Key	Value
PARAM_VALUE	0	udev	4096-ptr_max
PARAM_VALUE	0	udev->actconfig	0
PARAM_VALUE	0	udev->dev->driver_data->cis_virt	(-4611686018427387904)-4611686018427387903
PARAM_VALUE	0	udev->dev->driver_data->fake_cis	0-255
PARAM_VALUE	0	udev->dev->driver_data->skt_mutex.first_waiter->task->blocked_lock.owner	(-4611686018427387904)-4611686018427387903
PARAM_VALUE	0	udev->dev->kobj.parent->kset->kobj.release.timer->entry.pprev	4096-ptr_max
PARAM_VALUE	0	udev->dev->kobj.parent->release.timer->entry->next->pprev	1-u64max
PARAM_VALUE	0	udev->dev->kobj.release.timer->entry->next->pprev	1-u64max
PARAM_VALUE	0	udev->dev->kobj.release.timer->entry.pprev	4096-ptr_max
PARAM_VALUE	0	udev->dev->p->knode_bus.n_klist	(-4611686018427387904)-4611686018427387903
PARAM_VALUE	0	udev->dev->p->knode_class.n_klist	(-4611686018427387904)-4611686018427387903
PARAM_VALUE	0	udev->dev->p->knode_driver.n_klist	(-4611686018427387904)-4611686018427387903
PARAM_VALUE	0	udev->dev->p->knode_parent.n_klist	(-4611686018427387904)-4611686018427387903
PARAM_VALUE	0	udev->dev->parent->kobj.release.timer->entry->next->pprev	1-u64max
PARAM_VALUE	0	udev->dev.bus	0,4096-ptr_max
PARAM_VALUE	0	udev->dev.class	0,4096-ptr_max
PARAM_VALUE	0	udev->dev.devres_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	udev->dev.driver_data->battery_dev->dev.p->dead	1
PARAM_VALUE	0	udev->dev.driver_data->battery_dev->dev.power.in_dpm_list	0-1
PARAM_VALUE	0	udev->dev.driver_data->battery_dev->id	(-2)
PARAM_VALUE	0	udev->dev.driver_data->callback->add	5235430000054906880
PARAM_VALUE	0	udev->dev.driver_data->callback->early_resume	6956900869090054144
PARAM_VALUE	0	udev->dev.driver_data->callback->remove	1719268733136482304
PARAM_VALUE	0	udev->dev.driver_data->callback->requery	4713442613417914368
PARAM_VALUE	0	udev->dev.driver_data->callback->resume	5068206944467017728
PARAM_VALUE	0	udev->dev.driver_data->callback->suspend	2738892915008757760
PARAM_VALUE	0	udev->dev.driver_data->callback->validate	4934365872137547776
PARAM_VALUE	0	udev->dev.driver_data->cdev	0
PARAM_VALUE	0	udev->dev.driver_data->cdev->kobj.release.timer.is_hard	0-1
PARAM_VALUE	0	udev->dev.driver_data->cdev->kobj.release.timer.is_lazy	0-1
PARAM_VALUE	0	udev->dev.driver_data->cdev->kobj.release.timer.is_queued	0-1
PARAM_VALUE	0	udev->dev.driver_data->cdev->kobj.release.timer.is_soft	0-1
PARAM_VALUE	0	udev->dev.driver_data->cis_mem.card_start	0-4294967295
PARAM_VALUE	0	udev->dev.driver_data->cis_mem.flags	0,2-254
PARAM_VALUE	0	udev->dev.driver_data->cis_mem.res	0
PARAM_VALUE	0	udev->dev.driver_data->cis_virt	0
PARAM_VALUE	0	udev->dev.driver_data->d_ref.refcount.refs.counter	s32min-s32max
PARAM_VALUE	0	udev->dev.driver_data->detaching.counter	s32min-s32max
PARAM_VALUE	0	udev->dev.driver_data->dev.kobj.kref.refcount.refs.counter	s32min-s32max
PARAM_VALUE	0	udev->dev.driver_data->dev.kobj.release.cpu	s32min-s32max
PARAM_VALUE	0	udev->dev.driver_data->dev.kobj.release.timer.flags	0-4294967295
PARAM_VALUE	0	udev->dev.driver_data->dev.kobj.release.timer.is_hard	0-1
PARAM_VALUE	0	udev->dev.driver_data->dev.kobj.release.timer.is_lazy	0-1
PARAM_VALUE	0	udev->dev.driver_data->dev.kobj.release.timer.is_queued	0-1
PARAM_VALUE	0	udev->dev.driver_data->dev.kobj.release.timer.is_soft	0-1
PARAM_VALUE	0	udev->dev.driver_data->dev.kobj.release.work.flags	0-4294967295
PARAM_VALUE	0	udev->dev.driver_data->dev.kobj.release.work.is_hard	0-1
PARAM_VALUE	0	udev->dev.driver_data->dev.kobj.release.work.is_lazy	0-1
PARAM_VALUE	0	udev->dev.driver_data->dev.kobj.release.work.is_queued	0-1
PARAM_VALUE	0	udev->dev.driver_data->dev.kobj.release.work.is_soft	0-1
PARAM_VALUE	0	udev->dev.driver_data->dev.kobj.release.wq->dfl_pwq	0-s64max
PARAM_VALUE	0	udev->dev.driver_data->dev.kobj.release.wq->saved_max_active	s32min-s32max
PARAM_VALUE	0	udev->dev.driver_data->dev.kobj.release.wq->saved_min_active	s32min-s32max
PARAM_VALUE	0	udev->dev.driver_data->device_count	0-1
PARAM_VALUE	0	udev->dev.driver_data->fake_cis_len	1
PARAM_VALUE	0	udev->dev.driver_data->functions	0-u16max
PARAM_VALUE	0	udev->dev.driver_data->ops_mutex.dep_map->name	0-255
PARAM_VALUE	0	udev->dev.driver_data->ops_mutex.first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	0	udev->dev.driver_data->ops_mutex.first_waiter->list.prev->prev	0,5159360019465732096
PARAM_VALUE	0	udev->dev.driver_data->ops_mutex.first_waiter->magic	5159360019465732096
PARAM_VALUE	0	udev->dev.driver_data->ops_mutex.first_waiter->task->blocked_lock.dep_map->name	0-255
PARAM_VALUE	0	udev->dev.driver_data->ops_mutex.first_waiter->task->blocked_lock.owner	(-1)
PARAM_VALUE	0	udev->dev.driver_data->ops_mutex.first_waiter->task->blocked_lock.owner_cpu	4294967295
PARAM_VALUE	0	udev->dev.driver_data->ops_mutex.first_waiter->task->blocked_on	(-1)-0
PARAM_VALUE	0	udev->dev.driver_data->ops_mutex.first_waiter->task->usage.refs.counter	s32min-s32max
PARAM_VALUE	0	udev->dev.driver_data->ops_mutex.osq.tail.counter	0-s32max
PARAM_VALUE	0	udev->dev.driver_data->pcmcia_pfc	0-255
PARAM_VALUE	0	udev->dev.driver_data->present.counter	s32min-s32max
PARAM_VALUE	0	udev->dev.driver_data->resource_setup_done	0-255
PARAM_VALUE	0	udev->dev.driver_data->sfd_lock.dep_map->name	0-255
PARAM_VALUE	0	udev->dev.driver_data->sfd_lock.raw_lock.cnts.counter	s32min-s32max
PARAM_VALUE	0	udev->dev.driver_data->skt_mutex.dep_map->name	0-255
PARAM_VALUE	0	udev->dev.driver_data->skt_mutex.first_waiter->list.next	5159360019465732096
PARAM_VALUE	0	udev->dev.driver_data->skt_mutex.first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	0	udev->dev.driver_data->skt_mutex.first_waiter->list.prev->prev	5159360019465732096
PARAM_VALUE	0	udev->dev.driver_data->skt_mutex.first_waiter->task->blocked_lock.dep_map->name	0-255
PARAM_VALUE	0	udev->dev.driver_data->skt_mutex.first_waiter->task->blocked_lock.owner	(-1)
PARAM_VALUE	0	udev->dev.driver_data->skt_mutex.first_waiter->task->blocked_lock.owner_cpu	4294967295
PARAM_VALUE	0	udev->dev.driver_data->skt_mutex.first_waiter->task->blocked_on	(-1)-0
PARAM_VALUE	0	udev->dev.driver_data->skt_mutex.first_waiter->task->usage.refs.counter	s32min-s32max
PARAM_VALUE	0	udev->dev.driver_data->skt_mutex.osq.tail.counter	0-s32max
PARAM_VALUE	0	udev->dev.driver_data->state	0-4294967295
PARAM_VALUE	0	udev->dev.driver_data->touch_dev->dev.p->dead	1
PARAM_VALUE	0	udev->dev.driver_data->touch_dev->dev.power.in_dpm_list	0-1
PARAM_VALUE	0	udev->dev.driver_data->touch_dev->id	(-2)
PARAM_VALUE	0	udev->dev.fwnode->dev	0
PARAM_VALUE	0	udev->dev.fwnode->secondary	0,4096-ptr_max
PARAM_VALUE	0	udev->dev.groups	0,4096-ptr_max
PARAM_VALUE	0	udev->dev.iommu_group->mutex->first_waiter->task->blocked_lock.owner	(-4611686018427387904)-4611686018427387903
PARAM_VALUE	0	udev->dev.iommu_group->mutex->wait_lock.owner	(-4611686018427387904)-4611686018427387903
PARAM_VALUE	0	udev->dev.iommu_group->owner_cnt	0-4294967295
PARAM_VALUE	0	udev->dev.kobj.entry.next->next	4096-ptr_max
PARAM_VALUE	0	udev->dev.kobj.entry.next->prev	4096-ptr_max
PARAM_VALUE	0	udev->dev.kobj.entry.prev->next	4096-ptr_max
PARAM_VALUE	0	udev->dev.kobj.entry.prev->prev	4096-ptr_max
PARAM_VALUE	0	udev->dev.kobj.parent	0
PARAM_VALUE	0	udev->dev.kobj.parent->kset->kobj.release->timer->entry.pprev	4096-ptr_max
PARAM_VALUE	0	udev->dev.kobj.parent->kset->list_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	udev->dev.kobj.parent->release.work.entry.next->prev	4096-ptr_max
PARAM_VALUE	0	udev->dev.kobj.parent->sd	0
PARAM_VALUE	0	udev->dev.kobj.parent->state_in_sysfs	0
PARAM_VALUE	0	udev->dev.kobj.release->timer->entry.pprev	4096-ptr_max
PARAM_VALUE	0	udev->dev.kobj.release.timer.is_hard	0-1
PARAM_VALUE	0	udev->dev.kobj.release.timer.is_lazy	0-1
PARAM_VALUE	0	udev->dev.kobj.release.timer.is_queued	0-1
PARAM_VALUE	0	udev->dev.kobj.release.timer.is_soft	0-1
PARAM_VALUE	0	udev->dev.kobj.release.work.flags	0-4294967295
PARAM_VALUE	0	udev->dev.kobj.release.work.is_hard	0-1
PARAM_VALUE	0	udev->dev.kobj.release.work.is_lazy	0-1
PARAM_VALUE	0	udev->dev.kobj.release.work.is_queued	0-1
PARAM_VALUE	0	udev->dev.kobj.release.work.is_soft	0-1
PARAM_VALUE	0	udev->dev.kobj.release.wq->dfl_pwq	0-s64max
PARAM_VALUE	0	udev->dev.kobj.release.wq->saved_max_active	s32min-s32max
PARAM_VALUE	0	udev->dev.kobj.release.wq->saved_min_active	s32min-s32max
PARAM_VALUE	0	udev->dev.kobj.sd	0
PARAM_VALUE	0	udev->dev.kobj.sd->__parent	0
PARAM_VALUE	0	udev->dev.kobj.sd->dir.children.rb_node	0
PARAM_VALUE	0	udev->dev.kobj.state_in_sysfs	0
PARAM_VALUE	0	udev->dev.links.defer_sync.next->next	4096-ptr_max
PARAM_VALUE	0	udev->dev.links.defer_sync.next->prev	4096-ptr_max
PARAM_VALUE	0	udev->dev.links.defer_sync.prev->next	4096-ptr_max
PARAM_VALUE	0	udev->dev.links.defer_sync.prev->prev	4096-ptr_max
PARAM_VALUE	0	udev->dev.links.status	0,3
PARAM_VALUE	0	udev->dev.p	4096-ptr_max
PARAM_VALUE	0	udev->dev.p->dead	0-1
PARAM_VALUE	0	udev->dev.p->knode_bus.n_ref.refcount.refs.counter	s32min-s32max
PARAM_VALUE	0	udev->dev.p->knode_class->n_klist	(-4611686018427387904)-4611686018427387903
PARAM_VALUE	0	udev->dev.p->knode_class.n_klist	0
PARAM_VALUE	0	udev->dev.p->knode_class.n_ref.refcount.refs.counter	s32min-s32max
PARAM_VALUE	0	udev->dev.p->knode_driver.n_klist	0
PARAM_VALUE	0	udev->dev.p->knode_driver.n_ref.refcount.refs.counter	s32min-s32max
PARAM_VALUE	0	udev->dev.p->knode_parent->n_klist	(-4611686018427387904)-4611686018427387903
PARAM_VALUE	0	udev->dev.p->knode_parent.n_klist	0
PARAM_VALUE	0	udev->dev.p->knode_parent.n_ref.refcount.refs.counter	s32min-s32max
PARAM_VALUE	0	udev->dev.parent->kobj.release->timer->entry.pprev	4096-ptr_max
PARAM_VALUE	0	udev->dev.parent->kobj.release.timer.is_hard	0-1
PARAM_VALUE	0	udev->dev.parent->kobj.release.timer.is_lazy	0-1
PARAM_VALUE	0	udev->dev.parent->kobj.release.timer.is_queued	0-1
PARAM_VALUE	0	udev->dev.parent->kobj.release.timer.is_soft	0-1
PARAM_VALUE	0	udev->dev.parent->kobj.release.work.entry.next->prev	4096-ptr_max
PARAM_VALUE	0	udev->dev.parent->kobj.release.work.flags	0-4294967295
PARAM_VALUE	0	udev->dev.parent->kobj.release.work.is_hard	0-1
PARAM_VALUE	0	udev->dev.parent->kobj.release.work.is_lazy	0-1
PARAM_VALUE	0	udev->dev.parent->kobj.release.work.is_queued	0-1
PARAM_VALUE	0	udev->dev.parent->kobj.release.work.is_soft	0-1
PARAM_VALUE	0	udev->dev.pm_domain	0,4096-ptr_max
PARAM_VALUE	0	udev->dev.power.completion.done	u32max
PARAM_VALUE	0	udev->dev.power.driver_flags	0
PARAM_VALUE	0	udev->dev.power.entry.next	4096-ptr_max
PARAM_VALUE	0	udev->dev.power.entry.next->next	4096-ptr_max
PARAM_VALUE	0	udev->dev.power.entry.next->prev	4096-ptr_max
PARAM_VALUE	0	udev->dev.power.entry.prev	4096-ptr_max
PARAM_VALUE	0	udev->dev.power.entry.prev->next	4096-ptr_max
PARAM_VALUE	0	udev->dev.power.entry.prev->prev	4096-ptr_max
PARAM_VALUE	0	udev->dev.power.in_dpm_list	0
PARAM_VALUE	0	udev->dev.power.irq_safe	0
PARAM_VALUE	0	udev->dev.power.needs_force_resume	0
PARAM_VALUE	0	udev->dev.power.qos->flags_req	0
PARAM_VALUE	0	udev->dev.power.subsys_data	0,4096-ptr_max
PARAM_VALUE	0	udev->dev.power.use_autosuspend	0
PARAM_VALUE	0	udev->dev.power.wakeirq->status	0-4294967295
PARAM_VALUE	0	udev->dev.type	0,4096-ptr_max
PARAM_VALUE	0	udev->dev.type->groups	0,4096-ptr_max
PARAM_VALUE	0	udev->devnum	s32min-0
PARAM_VALUE	0	udev->ep0.ep_dev	0
PARAM_VALUE	0	udev->parent	0,4096-ptr_max
PARAM_VALUE	0	udev->state	0,2,5-8
PARAM_VALUE	0	udev->u1_params.timeout	0-127,255
PARAM_VALUE	0	udev->u2_params.timeout	0-255
PARAM_VALUE	0	udev->usb2_hw_lpm_enabled	0
PARAM_VALUE	0	udev->usb3_lpm_u1_enabled	0
PARAM_VALUE	0	udev->usb3_lpm_u2_enabled	0
PARAM_VALUE	0	udev->usb4_link	0,4096-ptr_max
PARAM_VALUE	0	*udev->actconfig->interface	0
PARAM_VALUE	0	*udev->ep_in	0
PARAM_VALUE	0	*udev->ep_out	0
CAPPED_DATA	0	udev	1
CAPPED_DATA	0	udev->dev.physical_location	1
CAPPED_DATA	0	udev->maxchild	1
CAPPED_DATA	0	&udev->dev	1
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HALF_LOCKED2		&hdev->dev.mutex
HALF_LOCKED2		&of->mutex
HALF_LOCKED2		&pool->lock
HALF_LOCKED2		&port_dev->status_lock
HALF_LOCKED2		&udev->dev.mutex
HALF_LOCKED2		global &usb_bus_idr_lock