Defined in 1 files as a prototype:
Defined in 1 files as a function:
Referenced in 3 files:
Smatch caller information:
drivers/comedi/drivers.c _comedi_nscans_left() -> _comedi_buf_read_n_available()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | s | 4096-ptr_max |
| DATA_SOURCE | 0 | s | $0 |
| RX_PATH | |||
| TASK_NOT_RUNNING |
drivers/comedi/comedi_buf.c _comedi_buf_read_samples() -> _comedi_buf_read_n_available()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | s | 4096-ptr_max |
| DATA_SOURCE | 0 | s | $0 |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING |
drivers/comedi/comedi_buf.c comedi_buf_read_n_available() -> _comedi_buf_read_n_available()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | s | 4096-ptr_max |
| DATA_SOURCE | 0 | s | $0 |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| HALF_LOCKED2 | &dev->mutex | ||
| HALF_LOCKED2 | &dev->spinlock |
drivers/comedi/comedi_fops.c comedi_poll() -> _comedi_buf_read_n_available()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | s | 4096-ptr_max |
| PARAM_VALUE | 0 | s->async | 4096-ptr_max |
| CAPPED_DATA | 0 | s->busy | 1 |
| DATA_SOURCE | 0 | s | r comedi_file_read_subdevice |
| BIT_INFO | 0 | s->async->cmd.flags | 0x0,0xffffffbf |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| LOCK2 | &dev->attach_lock | ||
| HALF_LOCKED2 | &kvm->irq_srcu | ||
| HALF_LOCKED2 | &of->mutex | ||
| HALF_LOCKED2 | &vm->irqfds_lock | ||
| HALF_LOCKED2 | global &irqfds_srcu | ||
| TYPE_LOCK | (struct comedi_device)->attach_lock |
drivers/comedi/comedi_fops.c comedi_read() -> _comedi_buf_read_n_available()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | s | 4096-ptr_max |
| PARAM_VALUE | 0 | s->async | 4096-ptr_max |
| CAPPED_DATA | 0 | s->busy | 1 |
| DATA_SOURCE | 0 | s | r comedi_file_read_subdevice |
| LOCK2 | &dev->attach_lock | ||
| TYPE_LOCK | (struct comedi_device)->attach_lock |
drivers/comedi/comedi_fops.c comedi_read() -> _comedi_buf_read_n_available()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | s | 4096-ptr_max |
| PARAM_VALUE | 0 | s->async | 4096-ptr_max |
| CAPPED_DATA | 0 | s | 1 |
| CAPPED_DATA | 0 | s->busy | 1 |
| DATA_SOURCE | 0 | s | r comedi_file_read_subdevice |
| LOCK2 | &dev->mutex | ||
| TYPE_LOCK | (struct comedi_device)->mutex |
drivers/comedi/comedi_fops.c do_bufinfo_ioctl() -> _comedi_buf_read_n_available()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | s | 4096-ptr_max |
| PARAM_VALUE | 0 | s->async | 4096-ptr_max |
| CAPPED_DATA | 0 | s->busy | 1 |
| LOCK2 | &dev->attach_lock | ||
| TYPE_LOCK | (struct comedi_device)->attach_lock |
drivers/comedi/comedi_fops.c do_bufinfo_ioctl() -> _comedi_buf_read_n_available()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | s | 4096-ptr_max |
| PARAM_VALUE | 0 | s->async | 4096-ptr_max |
| CAPPED_DATA | 0 | s | 1 |
| CAPPED_DATA | 0 | s->busy | 1 |
| LOCK2 | &dev->mutex | ||
| TYPE_LOCK | (struct comedi_device)->mutex |