Defined in 2 files as a function:

Referenced in 2 files:

Smatch caller information:

fs/dlm/lock.c _cancel_lock() -> do_cancel()

Type Parameter Key Value
PARAM_VALUE 0 r 4096-ptr_max
PARAM_VALUE 0 r->res_lock.rlock.dep_map->name 0-255
PARAM_VALUE 0 r->res_nodeid 0
PARAM_VALUE 1 lkb 4096-ptr_max
PARAM_VALUE 1 lkb->lkb_resource 4096-ptr_max
PARAM_VALUE 1 lkb->lkb_resource->res_lock.rlock.dep_map->name 0-255
PARAM_VALUE 1 lkb->lkb_rsb_lookup.next 4096-ptr_max
DATA_SOURCE 0 r $0
DATA_SOURCE 1 lkb $1
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
USER_DATA 1 lkb->lkb_exflags 0-u32max[c][u]
LOCK2 &ls->ls_in_recovery
LOCK2 bh
LOCK2 0 &r->res_lock
TYPE_LOCK (struct dlm_ls)->ls_in_recovery
TYPE_LOCK (struct dlm_rsb)->res_lock

fs/dlm/lock.c receive_cancel() -> do_cancel()

Type Parameter Key Value
PARAM_VALUE 0 r 4096-ptr_max
PARAM_VALUE 0 r->res_lock.rlock.dep_map->name 0-255
PARAM_VALUE 1 lkb 4096-ptr_max
PARAM_VALUE 1 lkb->lkb_nodeid s32min-(-1),1-s32max
PARAM_VALUE 1 lkb->lkb_resource 4096-ptr_max
PARAM_VALUE 1 lkb->lkb_resource->res_lock.rlock.dep_map->name 0-255
CAPPED_DATA 1 lkb->lkb_nodeid 1
PREEMPT_ADD <- disables preempt
LOCK2 &ls->ls_requestqueue_lock
LOCK2 bh
LOCK2 0 &r->res_lock
HALF_LOCKED2 &ls->ls_recoverd_active
HALF_LOCKED2 &ls->ls_recv_active
HALF_LOCKED2 &pool->lock
TYPE_LOCK (struct dlm_ls)->ls_requestqueue_lock
TYPE_LOCK (struct dlm_rsb)->res_lock

drivers/comedi/comedi_fops.c comedi_close() -> do_cancel()

Type Parameter Key Value
PARAM_VALUE 0 r 4096-ptr_max
PARAM_VALUE 0 r->mutex.dep_map->name 0-255
PARAM_VALUE 0 r->mutex.first_waiter 0,4096-ptr_max
PARAM_VALUE 0 r->mutex.first_waiter->list.prev->next 5159360019465732096
PARAM_VALUE 0 r->mutex.osq.tail.counter 0-s32max
PARAM_VALUE 0 r->mutex.wait_lock.dep_map->name 0-255
PARAM_VALUE 0 r->mutex.wait_lock.owner (-1)
PARAM_VALUE 0 r->mutex.wait_lock.owner_cpu u32max
PARAM_VALUE 0 r->n_subdevices 1-s32max
PARAM_VALUE 0 r->subdevices 4096-ptr_max
PARAM_VALUE 1 lkb 4096-ptr_max
PARAM_VALUE 1 lkb->busy 4096-ptr_max
CAPPED_DATA 0 &r->mutex 1
CAPPED_DATA 1 lkb->busy 1
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2 0 &r->mutex
TYPE_LOCK (struct comedi_device)->mutex

drivers/comedi/comedi_fops.c comedi_device_cancel_all() -> do_cancel()

Type Parameter Key Value
PARAM_VALUE 0 r 4096-ptr_max
PARAM_VALUE 0 r->attach_lock.dep_map->name 0-255
PARAM_VALUE 0 r->attach_lock.first_waiter->handoff_set 0-1
PARAM_VALUE 0 r->attach_lock.first_waiter->list.next 2624917664208203776
PARAM_VALUE 0 r->attach_lock.first_waiter->list.prev 2624917664208203776
PARAM_VALUE 0 r->attach_lock.first_waiter->type 0-1
PARAM_VALUE 0 r->attach_lock.osq.tail.counter 0-s32max
PARAM_VALUE 0 r->attach_lock.wait_lock.dep_map->name 0-255
PARAM_VALUE 0 r->attach_lock.wait_lock.owner (-1)
PARAM_VALUE 0 r->attach_lock.wait_lock.owner_cpu u32max
PARAM_VALUE 0 r->attach_lock.wait_lock.raw_lock.val.counter 0-s32max
PARAM_VALUE 0 r->attached 1
PARAM_VALUE 0 r->driver->attach 0,4096-ptr_max
PARAM_VALUE 0 r->driver->auto_attach 0,4096-ptr_max
PARAM_VALUE 0 r->driver->board_name 0,4096-ptr_max
PARAM_VALUE 0 r->driver->detach 4096-ptr_max
PARAM_VALUE 0 r->driver->module 0
PARAM_VALUE 0 r->driver->num_names 0-5,7-8,11,13-14,18,22
PARAM_VALUE 0 r->driver->offset 0,8,16,24,32,40,48
PARAM_VALUE 0 r->mutex.dep_map->name 0-255
PARAM_VALUE 0 r->mutex.first_waiter 0,4096-ptr_max
PARAM_VALUE 0 r->mutex.first_waiter->list.prev->next 5159360019465732096
PARAM_VALUE 0 r->mutex.first_waiter->list.prev->prev 5159360019465732096
PARAM_VALUE 0 r->mutex.osq.tail.counter 0-s32max
PARAM_VALUE 0 r->mutex.wait_lock.owner (-1)
PARAM_VALUE 0 r->mutex.wait_lock.owner_cpu u32max
PARAM_VALUE 0 r->n_subdevices 1-s32max
PARAM_VALUE 0 r->subdevices 4096-ptr_max
PARAM_VALUE 1 lkb 4096-ptr_max
PARAM_VALUE 1 lkb->async 1-u64max
DATA_SOURCE 0 r $0
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2 0 &r->attach_lock
LOCK2 0 &r->mutex
TYPE_LOCK (struct comedi_device)->attach_lock
TYPE_LOCK (struct comedi_device)->mutex

drivers/comedi/comedi_fops.c do_cancel_ioctl() -> do_cancel()

Type Parameter Key Value
PARAM_VALUE 0 r 4096-ptr_max
PARAM_VALUE 0 r->attached 1
PARAM_VALUE 0 r->mutex.dep_map->name 0-255
PARAM_VALUE 0 r->mutex.first_waiter 0,4096-ptr_max
PARAM_VALUE 0 r->mutex.first_waiter->list.prev->next 5159360019465732096
PARAM_VALUE 0 r->mutex.osq.tail.counter 0-s32max
PARAM_VALUE 0 r->mutex.wait_lock.dep_map->name 0-255
PARAM_VALUE 0 r->mutex.wait_lock.owner (-1)
PARAM_VALUE 0 r->mutex.wait_lock.owner_cpu u32max
PARAM_VALUE 0 r->n_subdevices s32min-(-1),1-s32max
PARAM_VALUE 0 r->subdevices 4096-ptr_max
PARAM_VALUE 1 lkb 4096-ptr_max
PARAM_VALUE 1 lkb->async 1-u64max
PARAM_VALUE 1 lkb->busy 4096-ptr_max
CAPPED_DATA 1 lkb->busy 1
DATA_SOURCE 0 r $0
LOCK2 0 &r->mutex
TYPE_LOCK (struct comedi_device)->mutex