Defined in 1 files as a prototype:

Defined in 1 files as a function:

Referenced in 1 files:

Smatch caller information:

drivers/comedi/comedi_fops.c is_device_busy() -> comedi_buf_is_mmapped()

Type Parameter Key Value
PARAM_VALUE 0 s 4096-ptr_max
PARAM_VALUE 0 s->async 1-u64max
CAPABLE 0 21
LOCK2 &dev->attach_lock
LOCK2 &dev->mutex
TYPE_LOCK (struct comedi_device)->attach_lock
TYPE_LOCK (struct comedi_device)->mutex

drivers/comedi/comedi_fops.c resize_async_buffer() -> comedi_buf_is_mmapped()

Type Parameter Key Value
PARAM_VALUE 0 s 4096-ptr_max
PARAM_VALUE 0 s->async 4096-ptr_max
DATA_SOURCE 0 s $1
RX_PATH
TASK_NOT_RUNNING
LOCK2 &dev->mutex
HALF_LOCKED2 &of->mutex
TYPE_LOCK (struct comedi_device)->mutex