Defined in 1 files as a prototype:
Defined in 1 files as a function:
Referenced in 2 files:
Smatch caller information:
drivers/comedi/comedi_buf.c _comedi_buf_write_samples() -> _comedi_buf_write_alloc()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | s | 4096-ptr_max |
| PARAM_VALUE | 0 | s->async | 4096-ptr_max |
| DATA_SOURCE | 0 | s | $0 |
| DATA_SOURCE | 1 | nbytes | r comedi_samples_to_bytes |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| HOST_DATA | 0 | s->async_dma_dir | 0-u32max |
| HOST_DATA | 0 | s->index | s32min-s32max |
| HOST_DATA | 0 | s->io_bits | 0-u32max |
| HOST_DATA | 0 | s->len_chanlist | s32min-s32max |
| HOST_DATA | 0 | s->maxdata | 0-u32max |
| HOST_DATA | 0 | s->minor | s32min-s32max |
| HOST_DATA | 0 | s->n_chan | s32min-s32max |
| HOST_DATA | 0 | s->runflags | 0-u32max |
| HOST_DATA | 0 | s->state | 0-u32max |
| HOST_DATA | 0 | s->subdev_flags | s32min-s32max |
| HOST_DATA | 0 | s->type | s32min-s32max |
| HALF_LOCKED2 | &chip->spinlock | ||
| HALF_LOCKED2 | &dev->spinlock | ||
| HALF_LOCKED2 | &devpriv->spinlock | ||
| HALF_LOCKED2 | &sd_priv->subd_slock | ||
| HALF_LOCKED2 | &subpriv->spinlock | ||
| HALF_LOCKED2 | irq_flags |
drivers/comedi/comedi_buf.c comedi_buf_write_alloc() -> _comedi_buf_write_alloc()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | s | 4096-ptr_max |
| PARAM_VALUE | 0 | s->async | 4096-ptr_max |
| DATA_SOURCE | 0 | s | $0 |
| DATA_SOURCE | 1 | nbytes | $1 |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| UNITS | 1 | nbytes | unit_byte |
| HALF_LOCKED2 | &counter->lock | ||
| HALF_LOCKED2 | &dev->mutex | ||
| HALF_LOCKED2 | flags |
drivers/comedi/comedi_fops.c comedi_write() -> _comedi_buf_write_alloc()
| 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_write_subdevice |
| NOCHECK_CALL | |||
| UNITS | 1 | nbytes | unit_byte |
| LOCK2 | &dev->attach_lock | ||
| TYPE_LOCK | (struct comedi_device)->attach_lock |
drivers/comedi/comedi_fops.c do_bufinfo_ioctl() -> _comedi_buf_write_alloc()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | s | 4096-ptr_max |
| PARAM_VALUE | 0 | s->async | 4096-ptr_max |
| PARAM_VALUE | 1 | nbytes | 1-u32max |
| CAPPED_DATA | 0 | s->busy | 1 |
| NOCHECK_CALL | |||
| USER_DATA | 1 | nbytes | 1-u32max |
| LOCK2 | &dev->attach_lock | ||
| TYPE_LOCK | (struct comedi_device)->attach_lock |