278 	struct comedi_file *cfp = file->private_data;  in comedi_file_reset()  local
279 	struct comedi_device *dev = cfp->dev;  in comedi_file_reset()
292 	cfp->last_attached = dev->attached;  in comedi_file_reset()
293 	cfp->last_detach_count = dev->detach_count;  in comedi_file_reset()
294 	WRITE_ONCE(cfp->read_subdev, read_s);  in comedi_file_reset()
295 	WRITE_ONCE(cfp->write_subdev, write_s);  in comedi_file_reset()
300 	struct comedi_file *cfp = file->private_data;  in comedi_file_check()  local
301 	struct comedi_device *dev = cfp->dev;  in comedi_file_check()
303 	if (cfp->last_attached != dev->attached ||  in comedi_file_check()
304 	    cfp->last_detach_count != dev->detach_count)  in comedi_file_check()
310 	struct comedi_file *cfp = file->private_data;  in comedi_file_read_subdevice()  local
313 	return READ_ONCE(cfp->read_subdev);  in comedi_file_read_subdevice()
318 	struct comedi_file *cfp = file->private_data;  in comedi_file_write_subdevice()  local
321 	return READ_ONCE(cfp->write_subdev);  in comedi_file_write_subdevice()
2046 	struct comedi_file *cfp = file->private_data;  in do_setrsubd_ioctl()  local
2069 	WRITE_ONCE(cfp->read_subdev, s_new);  in do_setrsubd_ioctl()
2089 	struct comedi_file *cfp = file->private_data;  in do_setwsubd_ioctl()  local
2112 	WRITE_ONCE(cfp->write_subdev, s_new);  in do_setwsubd_ioctl()
2120 	struct comedi_file *cfp = file->private_data;  in comedi_unlocked_ioctl()  local
2121 	struct comedi_device *dev = cfp->dev;  in comedi_unlocked_ioctl()
2323 	struct comedi_file *cfp = file->private_data;  in comedi_mmap()  local
2324 	struct comedi_device *dev = cfp->dev;  in comedi_mmap()
2428 	struct comedi_file *cfp = file->private_data;  in comedi_poll()  local
2429 	struct comedi_device *dev = cfp->dev;  in comedi_poll()
2475 	struct comedi_file *cfp = file->private_data;  in comedi_write()  local
2476 	struct comedi_device *dev = cfp->dev;  in comedi_write()
2611 	struct comedi_file *cfp = file->private_data;  in comedi_read()  local
2612 	struct comedi_device *dev = cfp->dev;  in comedi_read()
2742 	struct comedi_file *cfp;  in comedi_open()  local
2751 	cfp = kzalloc(sizeof(*cfp), GFP_KERNEL);  in comedi_open()
2752 	if (!cfp) {  in comedi_open()
2757 	cfp->dev = dev;  in comedi_open()
2780 	file->private_data = cfp;  in comedi_open()
2788 		kfree(cfp);  in comedi_open()
2795 	struct comedi_file *cfp = file->private_data;  in comedi_fasync()  local
2796 	struct comedi_device *dev = cfp->dev;  in comedi_fasync()
2803 	struct comedi_file *cfp = file->private_data;  in comedi_close()  local
2804 	struct comedi_device *dev = cfp->dev;  in comedi_close()
2830 	kfree(cfp);  in comedi_close()
2901 	struct comedi_file *cfp = file->private_data;  in compat_chaninfo()  local
2902 	struct comedi_device *dev = cfp->dev;  in compat_chaninfo()
2925 	struct comedi_file *cfp = file->private_data;  in compat_rangeinfo()  local
2926 	struct comedi_device *dev = cfp->dev;  in compat_rangeinfo()
3003 	struct comedi_file *cfp = file->private_data;  in compat_cmd()  local
3004 	struct comedi_device *dev = cfp->dev;  in compat_cmd()
3028 	struct comedi_file *cfp = file->private_data;  in compat_cmdtest()  local
3029 	struct comedi_device *dev = cfp->dev;  in compat_cmdtest()
3070 	struct comedi_file *cfp = file->private_data;  in compat_insnlist()  local
3071 	struct comedi_device *dev = cfp->dev;  in compat_insnlist()
3105 	struct comedi_file *cfp = file->private_data;  in compat_insn()  local
3106 	struct comedi_device *dev = cfp->dev;  in compat_insn()