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Defined in 1 files as a prototype:

Defined in 2 files as a function:

Referenced in 3 files:

Smatch caller information:

drivers/gpu/drm/display/drm_dp_mst_topology.c drm_dp_mst_connector_early_unregister() -> drm_dp_aux_unregister_devnode()

Type Parameter Key Value
PARAM_VALUE 0 aux 4096-ptr_max
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HALF_LOCKED2 &_connector->mutex
HALF_LOCKED2 &connector->mutex
TYPE_LOCK (struct drm_connector)->mutex

drivers/gpu/drm/display/drm_dp_aux_dev.c drm_dp_aux_register_devnode() -> drm_dp_aux_unregister_devnode()

Type Parameter Key Value
PARAM_VALUE 0 aux 4096-ptr_max
DATA_SOURCE 0 aux $0
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HALF_LOCKED2 &_connector->mutex
HALF_LOCKED2 &connector->mutex
HALF_LOCKED2 &device->clients_lock

drivers/gpu/drm/display/drm_dp_helper.c drm_dp_aux_register() -> drm_dp_aux_unregister_devnode()

Type Parameter Key Value
PARAM_VALUE 0 aux 4096-ptr_max
PARAM_VALUE 0 aux->ddc->bus_recovery_info->pinctrl->dev->p->deferred_probe_reason 0-255
PARAM_VALUE 0 aux->ddc->debugfs->d_fsdata->lease_session->s_auth.authorizer->buf->vec.iov_base (-4611686018427387904)-4611686018427387903
PARAM_VALUE 0 aux->ddc->debugfs->d_inode->i_sb->s_fs_info->s_first_error_func 0-255
PARAM_VALUE 0 aux->ddc->debugfs->d_inode->i_sb->s_fs_info->s_last_error_func 0-255
PARAM_VALUE 0 aux->ddc.bus_lock.dep_map->name 0-255
PARAM_VALUE 0 aux->ddc.bus_lock.rtmutex.owner 0
PARAM_VALUE 0 aux->ddc.bus_recovery_info->get_scl 3946984930649423872
PARAM_VALUE 0 aux->ddc.bus_recovery_info->get_sda 6665973648752123904
PARAM_VALUE 0 aux->ddc.bus_recovery_info->recover_bus 1-u64max
PARAM_VALUE 0 aux->ddc.bus_recovery_info->scl_gpiod 4096-ptr_max
PARAM_VALUE 0 aux->ddc.bus_recovery_info->scl_gpiod->debounce_period_us 0-4294967295
PARAM_VALUE 0 aux->ddc.bus_recovery_info->sda_gpiod 4096-ptr_max
PARAM_VALUE 0 aux->ddc.bus_recovery_info->set_scl 2694796891475185664
PARAM_VALUE 0 aux->ddc.bus_recovery_info->set_sda 9001700687979429888
PARAM_VALUE 0 aux->ddc.debugfs->d_alias->next->pprev 1-u64max
PARAM_VALUE 0 aux->ddc.debugfs->d_inode->i_rwsem.first_waiter->handoff_set 0-1
PARAM_VALUE 0 aux->ddc.debugfs->d_inode->i_rwsem.first_waiter->type 0-1
PARAM_VALUE 0 aux->ddc.debugfs->d_inode->i_sb->s_export_op->encode_fh 0,1398972869330624512,1616549510479982592,2037984473558433792,2776440803454029824,3228746867770966016,3502492669594062848,3526768263295340544,3559173554394271744,5000850239487131648,5583386343686406144,5817357685191483392-s64max
PARAM_VALUE 0 aux->ddc.debugfs->d_inode->i_sb->s_export_op->fh_to_dentry 0,447817974243774464,687732489194512384,742201802719268864,868497899885588480,1471448175530500096,2021658383390310400,2445877819203563520,2512819722689847296,2649270699546726400,2761259683714371584,2893332316235677696-s64max
PARAM_VALUE 0 aux->ddc.debugfs->d_inode->i_sb->s_export_op->fh_to_parent 0,148606482432692224,436469935444291584,467281172929331200,529780027764285440,1092893949038768128,1556959531105513472,1608953577475584000,1649536479961075712,2404761408063094784,2970908329832960000,3511613614414655488-s64max
PARAM_VALUE 0 aux->ddc.debugfs->d_inode->i_sb->s_export_op->get_parent 0,264940071972966400,291591359766798336,565128213429456896,893189740598853632,1241177127089143808,1474696885321834496,1812477326828269568,1893665921928286208,2210088671756947456,2437012291923775488,2483979068402987008-s64max
PARAM_VALUE 0 aux->ddc.debugfs->d_op->d_automount 0,2908707185815040000,3401111987815645184,6746145930460459008,7190988915944083456,7386785427940065280,8018779550845526016
PARAM_VALUE 0 aux->ddc.debugfs->d_op->d_init 0,2385819921126617088,7057831443282669568,7824184004865302528
PARAM_VALUE 0 aux->ddc.debugfs->d_op->d_iput 0,170374395438985216,837750826476904448,5086081384299388928,8216155483032948736
PARAM_VALUE 0 aux->ddc.debugfs->d_op->d_manage 0,1859587847549206528
PARAM_VALUE 0 aux->ddc.debugfs->d_op->d_prune 0,2225594340392566784,7225953709177749504
PARAM_VALUE 0 aux->ddc.debugfs->d_op->d_real 0,4509355519306412032
PARAM_VALUE 0 aux->ddc.debugfs->d_op->d_unalias_trylock 0,6635409759016140800
PARAM_VALUE 0 aux->ddc.debugfs->d_op->d_unalias_unlock 0,6336447517789900800
PARAM_VALUE 0 aux->ddc.debugfs->d_op->d_weak_revalidate 0,1549882712720502784,5632434648052031488,5669063523602272256,7231033168839651328
PARAM_VALUE 0 aux->ddc.debugfs->d_parent->d_sb->__s_d_op->d_init 0,2385819921126617088,7057831443282669568,7824184004865302528
PARAM_VALUE 0 aux->ddc.debugfs->d_parent->d_sb->__s_d_op->d_iput 0,170374395438985216,837750826476904448,5086081384299388928,8216155483032948736
PARAM_VALUE 0 aux->ddc.debugfs->d_parent->d_sb->__s_d_op->d_manage 0,1859587847549206528
PARAM_VALUE 0 aux->ddc.debugfs->d_parent->d_sb->__s_d_op->d_prune 0,2225594340392566784,7225953709177749504
PARAM_VALUE 0 aux->ddc.debugfs->d_parent->d_sb->__s_d_op->d_real 0,4509355519306412032
PARAM_VALUE 0 aux->ddc.debugfs->d_sb->__s_d_op->d_automount 0,2908707185815040000,3401111987815645184,6746145930460459008,7190988915944083456,7386785427940065280,8018779550845526016
PARAM_VALUE 0 aux->ddc.debugfs->d_sb->__s_d_op->d_init 0,2385819921126617088,7057831443282669568,7824184004865302528
PARAM_VALUE 0 aux->ddc.debugfs->d_sb->__s_d_op->d_iput 0,170374395438985216,837750826476904448,5086081384299388928,8216155483032948736
PARAM_VALUE 0 aux->ddc.debugfs->d_sb->__s_d_op->d_manage 0,1859587847549206528
PARAM_VALUE 0 aux->ddc.debugfs->d_sb->__s_d_op->d_prune 0,2225594340392566784,7225953709177749504
PARAM_VALUE 0 aux->ddc.debugfs->d_sb->__s_d_op->d_real 0,4509355519306412032
PARAM_VALUE 0 aux->ddc.debugfs->d_sb->__s_d_op->d_unalias_trylock 0,6635409759016140800
PARAM_VALUE 0 aux->ddc.debugfs->d_sb->__s_d_op->d_unalias_unlock 0,6336447517789900800
PARAM_VALUE 0 aux->ddc.debugfs->d_sb->__s_d_op->d_weak_revalidate 0,1549882712720502784,5632434648052031488,5669063523602272256,7231033168839651328
PARAM_VALUE 0 aux->ddc.debugfs->d_sib->next->pprev 1-u64max
PARAM_VALUE 0 aux->ddc.dev.bus->bus_groups 0
PARAM_VALUE 0 aux->ddc.dev.bus->dev_groups 0,4096-ptr_max
PARAM_VALUE 0 aux->ddc.dev.bus->dev_name 0
PARAM_VALUE 0 aux->ddc.dev.bus->dma_cleanup 0
PARAM_VALUE 0 aux->ddc.dev.bus->dma_configure 0
PARAM_VALUE 0 aux->ddc.dev.bus->driver_override 0
PARAM_VALUE 0 aux->ddc.dev.bus->drv_groups 0
PARAM_VALUE 0 aux->ddc.dev.bus->irq_get_affinity 0
PARAM_VALUE 0 aux->ddc.dev.bus->match 0,1197956742434697216
PARAM_VALUE 0 aux->ddc.dev.bus->need_parent_lock 0
PARAM_VALUE 0 aux->ddc.dev.bus->num_vf 0
PARAM_VALUE 0 aux->ddc.dev.bus->offline 0
PARAM_VALUE 0 aux->ddc.dev.bus->online 0
PARAM_VALUE 0 aux->ddc.dev.bus->pm 0
PARAM_VALUE 0 aux->ddc.dev.bus->probe 0,742470830131990528
PARAM_VALUE 0 aux->ddc.dev.bus->remove 0,1042076311432876032
PARAM_VALUE 0 aux->ddc.dev.bus->resume 0
PARAM_VALUE 0 aux->ddc.dev.bus->shutdown 0,6625045877094150144
PARAM_VALUE 0 aux->ddc.dev.bus->suspend 0
PARAM_VALUE 0 aux->ddc.dev.bus->sync_state 0
PARAM_VALUE 0 aux->ddc.dev.bus->uevent 0
PARAM_VALUE 0 aux->ddc.dev.devres_head.next->next 4096-ptr_max
PARAM_VALUE 0 aux->ddc.dev.devres_head.prev->next 4096-ptr_max
PARAM_VALUE 0 aux->ddc.dev.devres_head.prev->prev 4096-ptr_max
PARAM_VALUE 0 aux->ddc.dev.devres_lock.rlock.dep_map->name 0-255
PARAM_VALUE 0 aux->ddc.dev.dma_io_tlb_mem->dyn_alloc.data.counter 9007199250546704
PARAM_VALUE 0 aux->ddc.dev.dma_io_tlb_mem->dyn_alloc.entry.prev 1473117533515866344
PARAM_VALUE 0 aux->ddc.dev.dma_io_tlb_mem->dyn_alloc.func 1583282886040592384
PARAM_VALUE 0 aux->ddc.dev.dma_io_tlb_mem->pools.prev 1473117533515866320
PARAM_VALUE 0 aux->ddc.dev.dma_io_tlb_pools.next->next 4096-ptr_max
PARAM_VALUE 0 aux->ddc.dev.dma_io_tlb_pools.prev->next 4096-ptr_max
PARAM_VALUE 0 aux->ddc.dev.dma_io_tlb_pools.prev->prev 4096-ptr_max
PARAM_VALUE 0 aux->ddc.dev.dma_pools.next->next 4096-ptr_max
PARAM_VALUE 0 aux->ddc.dev.dma_pools.prev->next 4096-ptr_max
PARAM_VALUE 0 aux->ddc.dev.dma_pools.prev->prev 4096-ptr_max
PARAM_VALUE 0 aux->ddc.dev.driver_data->callback 0,6667066348596736000
PARAM_VALUE 0 aux->ddc.dev.driver_data->ops_mutex->first_waiter->task->blocked_lock.owner (-4611686018427387904)-4611686018427387903
PARAM_VALUE 0 aux->ddc.dev.driver_data->ops_mutex.dep_map->name 0-255
PARAM_VALUE 0 aux->ddc.dev.driver_data->sfd_lock.dep_map->name 0-255
PARAM_VALUE 0 aux->ddc.dev.driver_data->skt_mutex.dep_map->name 0-255
PARAM_VALUE 0 aux->ddc.dev.fwnode->dev 0,4096-ptr_max
PARAM_VALUE 0 aux->ddc.dev.fwnode->dev->fwnode 4096-ptr_max
PARAM_VALUE 0 aux->ddc.dev.fwnode->dev->p 1-u64max
PARAM_VALUE 0 aux->ddc.dev.fwnode->dev->power.set_latency_tolerance 5740181548905971712
PARAM_VALUE 0 aux->ddc.dev.fwnode->secondary 0,4096-ptr_max
PARAM_VALUE 0 aux->ddc.dev.fwnode->suppliers.next 4096-ptr_max
PARAM_VALUE 0 aux->ddc.dev.iommu_group->owner_cnt 0-4294967295
PARAM_VALUE 0 aux->ddc.dev.kobj->name 0-255
PARAM_VALUE 0 aux->ddc.dev.kobj.parent->entry.next->next 4096-ptr_max
PARAM_VALUE 0 aux->ddc.dev.kobj.parent->entry.prev 4096-ptr_max
PARAM_VALUE 0 aux->ddc.dev.kobj.parent->entry.prev->next 4096-ptr_max
PARAM_VALUE 0 aux->ddc.dev.kobj.parent->entry.prev->prev 4096-ptr_max
PARAM_VALUE 0 aux->ddc.dev.kobj.parent->kset->kobj->release.timer->entry.pprev 4096-ptr_max
PARAM_VALUE 0 aux->ddc.dev.kobj.parent->kset->kobj.release.timer.is_hard 0-1
PARAM_VALUE 0 aux->ddc.dev.kobj.parent->kset->kobj.release.timer.is_lazy 0-1
PARAM_VALUE 0 aux->ddc.dev.kobj.parent->kset->kobj.release.timer.is_queued 0-1
PARAM_VALUE 0 aux->ddc.dev.kobj.parent->kset->kobj.release.timer.is_soft 0-1
PARAM_VALUE 0 aux->ddc.dev.kobj.parent->kset->kobj.release.work.entry.next->prev 4096-ptr_max
PARAM_VALUE 0 aux->ddc.dev.kobj.parent->kset->kobj.release.work.flags 0-4294967295
PARAM_VALUE 0 aux->ddc.dev.kobj.parent->kset->kobj.release.work.is_hard 0-1
PARAM_VALUE 0 aux->ddc.dev.kobj.parent->kset->kobj.release.work.is_lazy 0-1
PARAM_VALUE 0 aux->ddc.dev.kobj.parent->kset->kobj.release.work.is_queued 0-1
PARAM_VALUE 0 aux->ddc.dev.kobj.parent->kset->kobj.release.work.is_soft 0-1
PARAM_VALUE 0 aux->ddc.dev.kobj.parent->release->timer->entry.pprev 4096-ptr_max
PARAM_VALUE 0 aux->ddc.dev.kobj.parent->release.timer.is_hard 0-1
PARAM_VALUE 0 aux->ddc.dev.kobj.parent->release.timer.is_lazy 0-1
PARAM_VALUE 0 aux->ddc.dev.kobj.parent->release.timer.is_queued 0-1
PARAM_VALUE 0 aux->ddc.dev.kobj.parent->release.timer.is_soft 0-1
PARAM_VALUE 0 aux->ddc.dev.kobj.parent->release.work.entry.next->prev 4096-ptr_max
PARAM_VALUE 0 aux->ddc.dev.kobj.parent->sd 0
PARAM_VALUE 0 aux->ddc.dev.kobj.release->timer->entry.pprev 4096-ptr_max
PARAM_VALUE 0 aux->ddc.dev.kobj.release.timer.is_hard 0-1
PARAM_VALUE 0 aux->ddc.dev.kobj.release.timer.is_lazy 0-1
PARAM_VALUE 0 aux->ddc.dev.kobj.release.timer.is_queued 0-1
PARAM_VALUE 0 aux->ddc.dev.kobj.release.timer.is_soft 0-1
PARAM_VALUE 0 aux->ddc.dev.kobj.release.work.entry.next->prev 4096-ptr_max
PARAM_VALUE 0 aux->ddc.dev.kobj.sd->__parent 0
PARAM_VALUE 0 aux->ddc.dev.kobj.sd->active.counter (-2147483647)
PARAM_VALUE 0 aux->ddc.dev.kobj.sd->attr.notify_next 0,426918848001064960
PARAM_VALUE 0 aux->ddc.dev.links.consumers.next->next 4096-ptr_max
PARAM_VALUE 0 aux->ddc.dev.links.consumers.prev->next 4096-ptr_max
PARAM_VALUE 0 aux->ddc.dev.links.consumers.prev->prev 4096-ptr_max
PARAM_VALUE 0 aux->ddc.dev.links.defer_sync.next->next 4096-ptr_max
PARAM_VALUE 0 aux->ddc.dev.links.defer_sync.prev->next 4096-ptr_max
PARAM_VALUE 0 aux->ddc.dev.links.defer_sync.prev->prev 4096-ptr_max
PARAM_VALUE 0 aux->ddc.dev.links.suppliers.next->next 4096-ptr_max
PARAM_VALUE 0 aux->ddc.dev.links.suppliers.prev->next 4096-ptr_max
PARAM_VALUE 0 aux->ddc.dev.links.suppliers.prev->prev 4096-ptr_max
PARAM_VALUE 0 aux->ddc.dev.p->dead 0-1
PARAM_VALUE 0 aux->ddc.dev.p->deferred_probe_reason 0-s64max
PARAM_VALUE 0 aux->ddc.dev.p->klist_children.get 2213798222526185472
PARAM_VALUE 0 aux->ddc.dev.p->klist_children.put 3126867300421632000
PARAM_VALUE 0 aux->ddc.dev.p->knode_bus.n_ref.refcount.refs.counter s32min-s32max
PARAM_VALUE 0 aux->ddc.dev.p->knode_class->n_klist (-4611686018427387904)-4611686018427387903
PARAM_VALUE 0 aux->ddc.dev.p->knode_class.n_klist 0
PARAM_VALUE 0 aux->ddc.dev.p->knode_class.n_ref.refcount.refs.counter s32min-s32max
PARAM_VALUE 0 aux->ddc.dev.p->knode_driver.n_klist 0
PARAM_VALUE 0 aux->ddc.dev.p->knode_driver.n_ref.refcount.refs.counter s32min-s32max
PARAM_VALUE 0 aux->ddc.dev.p->knode_parent->n_klist (-4611686018427387904)-4611686018427387903
PARAM_VALUE 0 aux->ddc.dev.p->knode_parent.n_klist 0
PARAM_VALUE 0 aux->ddc.dev.p->knode_parent.n_ref.refcount.refs.counter s32min-s32max
PARAM_VALUE 0 aux->ddc.dev.parent->kobj.release->timer->entry.pprev 4096-ptr_max
PARAM_VALUE 0 aux->ddc.dev.parent->kobj.release.wq->dfl_pwq 0-s64max
PARAM_VALUE 0 aux->ddc.dev.parent->kobj.release.wq->saved_max_active s32min-s32max
PARAM_VALUE 0 aux->ddc.dev.parent->kobj.release.wq->saved_min_active s32min-s32max
PARAM_VALUE 0 aux->ddc.dev.physical_location->dock 0
PARAM_VALUE 0 aux->ddc.dev.physical_location->lid 0
PARAM_VALUE 0 aux->ddc.dev.physical_location->panel 0
PARAM_VALUE 0 aux->ddc.dev.power.entry.next->next 4096-ptr_max
PARAM_VALUE 0 aux->ddc.dev.power.entry.prev->next 4096-ptr_max
PARAM_VALUE 0 aux->ddc.dev.power.entry.prev->prev 4096-ptr_max
PARAM_VALUE 0 aux->ddc.dev.power.wait_queue.head.next->next 4096-ptr_max
PARAM_VALUE 0 aux->ddc.dev.power.wait_queue.head.prev->next 4096-ptr_max
PARAM_VALUE 0 aux->ddc.dev.power.wait_queue.head.prev->prev 4096-ptr_max
PARAM_VALUE 0 aux->ddc.dev.power.wakeirq->status 0-4294967295
PARAM_VALUE 0 aux->ddc.dev.type->devnode 0
PARAM_VALUE 0 aux->ddc.dev.type->groups 0,4096-ptr_max
PARAM_VALUE 0 aux->ddc.dev.type->pm 0
PARAM_VALUE 0 aux->ddc.dev.type->release 0,3687065317836353536
PARAM_VALUE 0 aux->ddc.dev.type->uevent 0
PARAM_VALUE 0 aux->ddc.dev_released.wait.lock.dep_map->name 0-255
PARAM_VALUE 0 aux->ddc.dev_released.wait.task_list.next->next 4096-ptr_max
PARAM_VALUE 0 aux->ddc.dev_released.wait.task_list.prev->next 4096-ptr_max
PARAM_VALUE 0 aux->ddc.dev_released.wait.task_list.prev->next->next 4096-ptr_max
PARAM_VALUE 0 aux->ddc.dev_released.wait.task_list.prev->prev 4096-ptr_max
PARAM_VALUE 0 aux->ddc.locked_flags 0
PARAM_VALUE 0 aux->ddc.mux_lock.dep_map->name 0-255
PARAM_VALUE 0 aux->ddc.mux_lock.rtmutex.owner 0
PARAM_VALUE 0 aux->ddc.userspace_clients.next 4096-ptr_max
PARAM_VALUE 0 aux->ddc.userspace_clients.next->next 4096-ptr_max
PARAM_VALUE 0 aux->ddc.userspace_clients.prev 4096-ptr_max
PARAM_VALUE 0 aux->ddc.userspace_clients.prev->next 4096-ptr_max
PARAM_VALUE 0 aux->ddc.userspace_clients.prev->prev 4096-ptr_max
PARAM_VALUE 0 aux->ddc.userspace_clients_lock.dep_map->name 0-255
PARAM_VALUE 0 aux->ddc.userspace_clients_lock.first_waiter->list.prev->next 5159360019465732096
PARAM_VALUE 0 aux->ddc.userspace_clients_lock.first_waiter->list.prev->prev 5159360019465732096
PARAM_VALUE 0 aux->ddc.userspace_clients_lock.first_waiter->task->blocked_lock.dep_map->name 0-255
PARAM_VALUE 0 aux->ddc.userspace_clients_lock.first_waiter->task->blocked_lock.owner (-1)
PARAM_VALUE 0 aux->ddc.userspace_clients_lock.first_waiter->task->blocked_lock.owner_cpu 4294967295
PARAM_VALUE 0 aux->ddc.userspace_clients_lock.first_waiter->task->usage.refs.counter s32min-s32max
PARAM_VALUE 0 aux->ddc.userspace_clients_lock.magic 4096-ptr_max
PARAM_VALUE 0 aux->ddc.userspace_clients_lock.osq.tail.counter 0-s32max
CAPPED_DATA 0 aux 1
DATA_SOURCE 0 aux $0
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HOST_DATA 0 aux->ddc.cad->state->u.pc s64min-s64max
HOST_DATA 0 aux->ddc.cad->state->u.pc->ctr 0-4294967295
HOST_DATA 0 aux->ddc.cad->state->u.pc->ecr 0-4294967295
HALF_LOCKED2 &_connector->mutex
HALF_LOCKED2 &connector->mutex
HALF_LOCKED2 &device->clients_lock

drivers/gpu/drm/display/drm_dp_helper.c drm_dp_aux_unregister() -> drm_dp_aux_unregister_devnode()

Type Parameter Key Value
PARAM_VALUE 0 aux 1-u64max
DATA_SOURCE 0 aux $0
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HALF_LOCKED2 &_connector->mutex
HALF_LOCKED2 &connector->mutex
HALF_LOCKED2 &dev->mutex
HALF_LOCKED2 &device->clients_lock