kill_dev_dax identifier - Linux source code next-20260811

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linux

Versions

FIXME
- FIXME
  - next-20260811

Defined in 1 files as a prototype:

drivers/dax/bus.h, line 56 (as a prototype)

Defined in 1 files as a function:

drivers/dax/bus.c, line 422 (as a function)

Referenced in 3 files:

Smatch caller information:

drivers/dax/device.c dev_dax_kill() -> kill_dev_dax()

Type	Parameter	Key	Value
DATA_SOURCE	0	dev_dax	$0
NOCHECK_CALL

drivers/dax/bus.c __devm_create_dev_dax() -> kill_dev_dax()

Type	Parameter	Key	Value
PARAM_VALUE	0	dev_dax	4096-ptr_max
PARAM_VALUE	0	dev_dax->dax_dev	4096-ptr_max
PARAM_VALUE	0	dev_dax->dev.devres_head.next->next	4096-ptr_max
PARAM_VALUE	0	dev_dax->dev.devres_head.prev->next	4096-ptr_max
PARAM_VALUE	0	dev_dax->dev.devres_head.prev->prev	4096-ptr_max
PARAM_VALUE	0	dev_dax->dev.devres_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	dev_dax->dev.dma_io_tlb_mem->defpool.nareas	0-s32max
PARAM_VALUE	0	dev_dax->dev.dma_io_tlb_mem->dyn_alloc.data.counter	0,9007199250546704
PARAM_VALUE	0	dev_dax->dev.dma_io_tlb_mem->pools.next	0
PARAM_VALUE	0	dev_dax->dev.dma_io_tlb_mem->pools.prev	0,1473117533515866408
PARAM_VALUE	0	dev_dax->dev.dma_io_tlb_pools.next->next	4096-ptr_max
PARAM_VALUE	0	dev_dax->dev.dma_io_tlb_pools.prev->next	4096-ptr_max
PARAM_VALUE	0	dev_dax->dev.dma_io_tlb_pools.prev->prev	4096-ptr_max
PARAM_VALUE	0	dev_dax->dev.dma_ops->alloc	0,1744715142275031040,2065280936184246272,2938795245442469888
PARAM_VALUE	0	dev_dax->dev.dma_ops->alloc_pages_op	0,4686288359180861440,6350905364812603392,6978773206971854848
PARAM_VALUE	0	dev_dax->dev.dma_ops->cache_sync	0
PARAM_VALUE	0	dev_dax->dev.dma_ops->dma_supported	0,2528523692154392576,3617072262637035520,5023592177070743552,5276104885786021888
PARAM_VALUE	0	dev_dax->dev.dma_ops->free	0,4778164490434129920,7144974343242604544,7861694134817480704
PARAM_VALUE	0	dev_dax->dev.dma_ops->free_pages	0,239457316199952384,5196233516945883136,7413093576918179840
PARAM_VALUE	0	dev_dax->dev.dma_ops->get_required_mask	0,7770840938859397120
PARAM_VALUE	0	dev_dax->dev.dma_ops->get_sgtable	0,1322759480623644672
PARAM_VALUE	0	dev_dax->dev.dma_ops->map_phys	0,2506261230157742080,4169194063996235776,4848421345171935232,6326163439792029696
PARAM_VALUE	0	dev_dax->dev.dma_ops->map_sg	0,2118452656510775296,2518538481676259328,5872201013595766784,6630017431831871488
PARAM_VALUE	0	dev_dax->dev.dma_ops->max_mapping_size	0,8830639662091943936
PARAM_VALUE	0	dev_dax->dev.dma_ops->mmap	0,5761417605877342208,7694740394750603264
PARAM_VALUE	0	dev_dax->dev.dma_ops->opt_mapping_size	0
PARAM_VALUE	0	dev_dax->dev.dma_ops->sync_sg_for_cpu	0,4862850025765572608
PARAM_VALUE	0	dev_dax->dev.dma_ops->sync_sg_for_device	0,3732476178258022400
PARAM_VALUE	0	dev_dax->dev.dma_ops->sync_single_for_cpu	0,1155325867376779264
PARAM_VALUE	0	dev_dax->dev.dma_ops->sync_single_for_device	0,8781567156597239808
PARAM_VALUE	0	dev_dax->dev.dma_ops->unmap_phys	0,3634718672199266304,5690836758666383360,6257189515678003200,7756707427785986048
PARAM_VALUE	0	dev_dax->dev.dma_ops->unmap_sg	0,1256335292805263360,8472845699660435456,8676762248147066880,8920167536469053440
PARAM_VALUE	0	dev_dax->dev.dma_pools.next->next	4096-ptr_max
PARAM_VALUE	0	dev_dax->dev.dma_pools.prev->next	4096-ptr_max
PARAM_VALUE	0	dev_dax->dev.dma_pools.prev->prev	4096-ptr_max
PARAM_VALUE	0	dev_dax->dev.driver_data->battery_dev->dev.p->dead	1
PARAM_VALUE	0	dev_dax->dev.driver_data->battery_dev->dev.power.in_dpm_list	0-1
PARAM_VALUE	0	dev_dax->dev.driver_data->battery_dev->id	(-2)
PARAM_VALUE	0	dev_dax->dev.driver_data->callback->add	5235430000054906880
PARAM_VALUE	0	dev_dax->dev.driver_data->callback->early_resume	6956900869090054144
PARAM_VALUE	0	dev_dax->dev.driver_data->callback->remove	1719268733136482304
PARAM_VALUE	0	dev_dax->dev.driver_data->callback->requery	4713442613417914368
PARAM_VALUE	0	dev_dax->dev.driver_data->callback->resume	5068206944467017728
PARAM_VALUE	0	dev_dax->dev.driver_data->callback->suspend	2738892915008757760
PARAM_VALUE	0	dev_dax->dev.driver_data->callback->validate	4934365872137547776
PARAM_VALUE	0	dev_dax->dev.driver_data->cdev	0
PARAM_VALUE	0	dev_dax->dev.driver_data->cdev->kobj.release.timer.is_hard	0-1
PARAM_VALUE	0	dev_dax->dev.driver_data->cdev->kobj.release.timer.is_lazy	0-1
PARAM_VALUE	0	dev_dax->dev.driver_data->cdev->kobj.release.timer.is_queued	0-1
PARAM_VALUE	0	dev_dax->dev.driver_data->cdev->kobj.release.timer.is_soft	0-1
PARAM_VALUE	0	dev_dax->dev.driver_data->cis_mem.card_start	0-4294967295
PARAM_VALUE	0	dev_dax->dev.driver_data->cis_mem.flags	0,2-254
PARAM_VALUE	0	dev_dax->dev.driver_data->cis_mem.res	0
PARAM_VALUE	0	dev_dax->dev.driver_data->cis_virt	0
PARAM_VALUE	0	dev_dax->dev.driver_data->d_ref.refcount.refs.counter	s32min-s32max
PARAM_VALUE	0	dev_dax->dev.driver_data->detaching.counter	s32min-s32max
PARAM_VALUE	0	dev_dax->dev.driver_data->dev.kobj.kref.refcount.refs.counter	s32min-s32max
PARAM_VALUE	0	dev_dax->dev.driver_data->dev.kobj.release.cpu	s32min-s32max
PARAM_VALUE	0	dev_dax->dev.driver_data->dev.kobj.release.timer.flags	0-4294967295
PARAM_VALUE	0	dev_dax->dev.driver_data->dev.kobj.release.timer.is_hard	0-1
PARAM_VALUE	0	dev_dax->dev.driver_data->dev.kobj.release.timer.is_lazy	0-1
PARAM_VALUE	0	dev_dax->dev.driver_data->dev.kobj.release.timer.is_queued	0-1
PARAM_VALUE	0	dev_dax->dev.driver_data->dev.kobj.release.timer.is_soft	0-1
PARAM_VALUE	0	dev_dax->dev.driver_data->dev.kobj.release.work.flags	0-4294967295
PARAM_VALUE	0	dev_dax->dev.driver_data->dev.kobj.release.work.is_hard	0-1
PARAM_VALUE	0	dev_dax->dev.driver_data->dev.kobj.release.work.is_lazy	0-1
PARAM_VALUE	0	dev_dax->dev.driver_data->dev.kobj.release.work.is_queued	0-1
PARAM_VALUE	0	dev_dax->dev.driver_data->dev.kobj.release.work.is_soft	0-1
PARAM_VALUE	0	dev_dax->dev.driver_data->dev.kobj.release.wq->dfl_pwq	0-s64max
PARAM_VALUE	0	dev_dax->dev.driver_data->dev.kobj.release.wq->saved_max_active	s32min-s32max
PARAM_VALUE	0	dev_dax->dev.driver_data->dev.kobj.release.wq->saved_min_active	s32min-s32max
PARAM_VALUE	0	dev_dax->dev.driver_data->device_count	0-1
PARAM_VALUE	0	dev_dax->dev.driver_data->functions	0-u16max
PARAM_VALUE	0	dev_dax->dev.driver_data->ops_mutex.first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	0	dev_dax->dev.driver_data->ops_mutex.first_waiter->list.prev->prev	0,5159360019465732096
PARAM_VALUE	0	dev_dax->dev.driver_data->ops_mutex.first_waiter->magic	5159360019465732096
PARAM_VALUE	0	dev_dax->dev.driver_data->ops_mutex.first_waiter->task->blocked_lock.owner	(-1)
PARAM_VALUE	0	dev_dax->dev.driver_data->ops_mutex.first_waiter->task->blocked_lock.owner_cpu	4294967295
PARAM_VALUE	0	dev_dax->dev.driver_data->ops_mutex.first_waiter->task->blocked_on	(-1)-0
PARAM_VALUE	0	dev_dax->dev.driver_data->ops_mutex.first_waiter->task->usage.refs.counter	s32min-s32max
PARAM_VALUE	0	dev_dax->dev.driver_data->ops_mutex.osq.tail.counter	0-s32max
PARAM_VALUE	0	dev_dax->dev.driver_data->pcmcia_pfc	0-255
PARAM_VALUE	0	dev_dax->dev.driver_data->present.counter	s32min-s32max
PARAM_VALUE	0	dev_dax->dev.driver_data->resource_setup_done	0-255
PARAM_VALUE	0	dev_dax->dev.driver_data->sfd_lock.raw_lock.cnts.counter	s32min-s32max
PARAM_VALUE	0	dev_dax->dev.driver_data->skt_mutex.first_waiter->list.next	5159360019465732096
PARAM_VALUE	0	dev_dax->dev.driver_data->skt_mutex.first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	0	dev_dax->dev.driver_data->skt_mutex.first_waiter->list.prev->prev	5159360019465732096
PARAM_VALUE	0	dev_dax->dev.driver_data->skt_mutex.first_waiter->task->blocked_lock.owner	(-1)
PARAM_VALUE	0	dev_dax->dev.driver_data->skt_mutex.first_waiter->task->blocked_lock.owner_cpu	4294967295
PARAM_VALUE	0	dev_dax->dev.driver_data->skt_mutex.first_waiter->task->blocked_on	(-1)-0
PARAM_VALUE	0	dev_dax->dev.driver_data->skt_mutex.first_waiter->task->usage.refs.counter	s32min-s32max
PARAM_VALUE	0	dev_dax->dev.driver_data->skt_mutex.osq.tail.counter	0-s32max
PARAM_VALUE	0	dev_dax->dev.driver_data->state	0-4294967295
PARAM_VALUE	0	dev_dax->dev.driver_data->touch_dev->dev.p->dead	1
PARAM_VALUE	0	dev_dax->dev.driver_data->touch_dev->dev.power.in_dpm_list	0-1
PARAM_VALUE	0	dev_dax->dev.driver_data->touch_dev->id	(-2)
PARAM_VALUE	0	dev_dax->dev.flags	4096-ptr_max
PARAM_VALUE	0	dev_dax->dev.fwnode->dev	0
PARAM_VALUE	0	dev_dax->dev.fwnode->secondary	0,4096-ptr_max
PARAM_VALUE	0	dev_dax->dev.init_name	0
PARAM_VALUE	0	dev_dax->dev.iommu_group->mutex->first_waiter->task->blocked_lock.owner	(-4611686018427387904)-4611686018427387903
PARAM_VALUE	0	dev_dax->dev.iommu_group->mutex->wait_lock.owner	(-4611686018427387904)-4611686018427387903
PARAM_VALUE	0	dev_dax->dev.iommu_group->owner_cnt	0-4294967295
PARAM_VALUE	0	dev_dax->dev.kobj.entry.next->next	4096-ptr_max
PARAM_VALUE	0	dev_dax->dev.kobj.entry.next->prev	4096-ptr_max
PARAM_VALUE	0	dev_dax->dev.kobj.entry.prev->next	4096-ptr_max
PARAM_VALUE	0	dev_dax->dev.kobj.entry.prev->prev	4096-ptr_max
PARAM_VALUE	0	dev_dax->dev.kobj.parent->kset->kobj.release.timer.is_hard	0-1
PARAM_VALUE	0	dev_dax->dev.kobj.parent->kset->kobj.release.timer.is_lazy	0-1
PARAM_VALUE	0	dev_dax->dev.kobj.parent->kset->kobj.release.timer.is_queued	0-1
PARAM_VALUE	0	dev_dax->dev.kobj.parent->kset->kobj.release.timer.is_soft	0-1
PARAM_VALUE	0	dev_dax->dev.kobj.parent->kset->kobj.release.work.entry.next->prev	4096-ptr_max
PARAM_VALUE	0	dev_dax->dev.kobj.parent->release->timer->entry.pprev	4096-ptr_max
PARAM_VALUE	0	dev_dax->dev.kobj.parent->release.timer.is_hard	0-1
PARAM_VALUE	0	dev_dax->dev.kobj.parent->release.timer.is_lazy	0-1
PARAM_VALUE	0	dev_dax->dev.kobj.parent->release.timer.is_queued	0-1
PARAM_VALUE	0	dev_dax->dev.kobj.parent->release.timer.is_soft	0-1
PARAM_VALUE	0	dev_dax->dev.kobj.parent->release.work.entry.next->prev	4096-ptr_max
PARAM_VALUE	0	dev_dax->dev.kobj.parent->sd	0
PARAM_VALUE	0	dev_dax->dev.kobj.parent->sd->attr.open->nr_mmapped	0-4294967295
PARAM_VALUE	0	dev_dax->dev.kobj.release->timer->entry.pprev	4096-ptr_max
PARAM_VALUE	0	dev_dax->dev.kobj.release.timer.is_hard	0-1
PARAM_VALUE	0	dev_dax->dev.kobj.release.timer.is_lazy	0-1
PARAM_VALUE	0	dev_dax->dev.kobj.release.timer.is_queued	0-1
PARAM_VALUE	0	dev_dax->dev.kobj.release.timer.is_soft	0-1
PARAM_VALUE	0	dev_dax->dev.kobj.release.work.entry.next->prev	4096-ptr_max
PARAM_VALUE	0	dev_dax->dev.kobj.release.work.flags	0-4294967295
PARAM_VALUE	0	dev_dax->dev.kobj.release.work.is_hard	0-1
PARAM_VALUE	0	dev_dax->dev.kobj.release.work.is_lazy	0-1
PARAM_VALUE	0	dev_dax->dev.kobj.release.work.is_queued	0-1
PARAM_VALUE	0	dev_dax->dev.kobj.release.work.is_soft	0-1
PARAM_VALUE	0	dev_dax->dev.kobj.release.wq->dfl_pwq	0-s64max
PARAM_VALUE	0	dev_dax->dev.kobj.release.wq->saved_max_active	s32min-s32max
PARAM_VALUE	0	dev_dax->dev.kobj.release.wq->saved_min_active	s32min-s32max
PARAM_VALUE	0	dev_dax->dev.kobj.sd	0
PARAM_VALUE	0	dev_dax->dev.kobj.sd->__parent	0
PARAM_VALUE	0	dev_dax->dev.kobj.sd->attr.open->nr_mmapped	0-4294967295
PARAM_VALUE	0	dev_dax->dev.links.consumers.next->next	4096-ptr_max
PARAM_VALUE	0	dev_dax->dev.links.consumers.prev->next	4096-ptr_max
PARAM_VALUE	0	dev_dax->dev.links.consumers.prev->prev	4096-ptr_max
PARAM_VALUE	0	dev_dax->dev.links.defer_sync.next->next	4096-ptr_max
PARAM_VALUE	0	dev_dax->dev.links.defer_sync.next->prev	4096-ptr_max
PARAM_VALUE	0	dev_dax->dev.links.defer_sync.prev->next	4096-ptr_max
PARAM_VALUE	0	dev_dax->dev.links.defer_sync.prev->prev	4096-ptr_max
PARAM_VALUE	0	dev_dax->dev.links.suppliers.next->next	4096-ptr_max
PARAM_VALUE	0	dev_dax->dev.links.suppliers.prev->next	4096-ptr_max
PARAM_VALUE	0	dev_dax->dev.links.suppliers.prev->prev	4096-ptr_max
PARAM_VALUE	0	dev_dax->dev.p	0
PARAM_VALUE	0	dev_dax->dev.parent->kobj.release->timer->entry.pprev	4096-ptr_max
PARAM_VALUE	0	dev_dax->dev.parent->kobj.release.timer.is_hard	0-1
PARAM_VALUE	0	dev_dax->dev.parent->kobj.release.timer.is_lazy	0-1
PARAM_VALUE	0	dev_dax->dev.parent->kobj.release.timer.is_queued	0-1
PARAM_VALUE	0	dev_dax->dev.parent->kobj.release.timer.is_soft	0-1
PARAM_VALUE	0	dev_dax->dev.parent->kobj.release.work.entry.next->prev	4096-ptr_max
PARAM_VALUE	0	dev_dax->dev.parent->kobj.release.work.flags	0-4294967295
PARAM_VALUE	0	dev_dax->dev.parent->kobj.release.work.is_hard	0-1
PARAM_VALUE	0	dev_dax->dev.parent->kobj.release.work.is_lazy	0-1
PARAM_VALUE	0	dev_dax->dev.parent->kobj.release.work.is_queued	0-1
PARAM_VALUE	0	dev_dax->dev.parent->kobj.release.work.is_soft	0-1
PARAM_VALUE	0	dev_dax->dev.physical_location	0,4096-ptr_max
PARAM_VALUE	0	dev_dax->dev.pm_domain	0,4096-ptr_max
PARAM_VALUE	0	dev_dax->dev.power.completion.done	u32max
PARAM_VALUE	0	dev_dax->dev.power.driver_flags	0
PARAM_VALUE	0	dev_dax->dev.power.entry.next->next	4096-ptr_max
PARAM_VALUE	0	dev_dax->dev.power.entry.next->prev	4096-ptr_max
PARAM_VALUE	0	dev_dax->dev.power.entry.prev->next	4096-ptr_max
PARAM_VALUE	0	dev_dax->dev.power.entry.prev->prev	4096-ptr_max
PARAM_VALUE	0	dev_dax->dev.power.in_dpm_list	0
PARAM_VALUE	0	dev_dax->dev.power.irq_safe	0
PARAM_VALUE	0	dev_dax->dev.power.qos->flags_req	0
PARAM_VALUE	0	dev_dax->dev.power.subsys_data	0,4096-ptr_max
PARAM_VALUE	0	dev_dax->dev.power.use_autosuspend	0
PARAM_VALUE	0	dev_dax->dev.power.wait_queue.head.next->next	4096-ptr_max
PARAM_VALUE	0	dev_dax->dev.power.wait_queue.head.prev->next	4096-ptr_max
PARAM_VALUE	0	dev_dax->dev.power.wait_queue.head.prev->prev	4096-ptr_max
PARAM_VALUE	0	dev_dax->dyn_id	1
PARAM_VALUE	0	dev_dax->id	0-s32max
PARAM_VALUE	0	dev_dax->ida.xa.xa_flags	33554437
PARAM_VALUE	0	dev_dax->ida.xa.xa_head	0
PARAM_VALUE	0	dev_dax->memmap_on_memory	0
PARAM_VALUE	0	dev_dax->nr_range	0
PARAM_VALUE	0	dev_dax->region	4096-ptr_max
PARAM_VALUE	0	*dev_dax->dev->driver_data->cis_virt	(-4611686018427387904)-4611686018427387903
PARAM_VALUE	0	*dev_dax->dev->driver_data->fake_cis	0-255
PARAM_VALUE	0	*dev_dax->dev->driver_data->ops_mutex.first_waiter->task->blocked_lock.owner	(-4611686018427387904)-4611686018427387903
PARAM_VALUE	0	*dev_dax->dev->driver_data->skt_mutex.first_waiter->task->blocked_lock.owner	(-4611686018427387904)-4611686018427387903
PARAM_VALUE	0	*dev_dax->dev->kobj.parent->kset->kobj.release.timer->entry.pprev	4096-ptr_max
PARAM_VALUE	0	*dev_dax->dev->kobj.parent->release.timer->entry->next->pprev	1-u64max
PARAM_VALUE	0	*dev_dax->dev->kobj.release.timer->entry->next->pprev	1-u64max
PARAM_VALUE	0	*dev_dax->dev->kobj.release.timer->entry.pprev	4096-ptr_max
PARAM_VALUE	0	*dev_dax->dev->parent->kobj.release.timer->entry->next->pprev	1-u64max
BUF_SIZE	0	dev_dax	1768
BUF_SIZE	0	dev_dax->pgmap	(-1),216
DATA_SOURCE	0	dev_dax	r _kzalloc_noprof
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2		global &dax_region_rwsem
HALF_LOCKED2		&of->mutex

drivers/dax/bus.c unregister_dev_dax() -> kill_dev_dax()

Type	Parameter	Key	Value
PARAM_VALUE	0	dev_dax	4096-ptr_max
DATA_SOURCE	0	dev_dax	r to_dev_dax
NOCHECK_CALL
LOCK2		global &dax_region_rwsem

drivers/dax/fsdev.c fsdev_kill() -> kill_dev_dax()

Type	Parameter	Key	Value
DATA_SOURCE	0	dev_dax	$0
NOCHECK_CALL