291 	struct comedi_file *cfp = file->private_data;  in comedi_file_reset()  local
292 	struct comedi_device *dev = cfp->dev;  in comedi_file_reset()
305 	cfp->last_attached = dev->attached;  in comedi_file_reset()
306 	cfp->last_detach_count = dev->detach_count;  in comedi_file_reset()
307 	WRITE_ONCE(cfp->read_subdev, read_s);  in comedi_file_reset()
308 	WRITE_ONCE(cfp->write_subdev, write_s);  in comedi_file_reset()
313 	struct comedi_file *cfp = file->private_data;  in comedi_file_check()  local
314 	struct comedi_device *dev = cfp->dev;  in comedi_file_check()
316 	if (cfp->last_attached != dev->attached ||  in comedi_file_check()
317 	    cfp->last_detach_count != dev->detach_count)  in comedi_file_check()
323 	struct comedi_file *cfp = file->private_data;  in comedi_file_read_subdevice()  local
326 	return READ_ONCE(cfp->read_subdev);  in comedi_file_read_subdevice()
331 	struct comedi_file *cfp = file->private_data;  in comedi_file_write_subdevice()  local
334 	return READ_ONCE(cfp->write_subdev);  in comedi_file_write_subdevice()
2041 	struct comedi_file *cfp = file->private_data;  in do_setrsubd_ioctl()  local
2064 	WRITE_ONCE(cfp->read_subdev, s_new);  in do_setrsubd_ioctl()
2084 	struct comedi_file *cfp = file->private_data;  in do_setwsubd_ioctl()  local
2107 	WRITE_ONCE(cfp->write_subdev, s_new);  in do_setwsubd_ioctl()
2115 	struct comedi_file *cfp = file->private_data;  in comedi_unlocked_ioctl()  local
2116 	struct comedi_device *dev = cfp->dev;  in comedi_unlocked_ioctl()
2318 	struct comedi_file *cfp = file->private_data;  in comedi_mmap()  local
2319 	struct comedi_device *dev = cfp->dev;  in comedi_mmap()
2423 	struct comedi_file *cfp = file->private_data;  in comedi_poll()  local
2424 	struct comedi_device *dev = cfp->dev;  in comedi_poll()
2470 	struct comedi_file *cfp = file->private_data;  in comedi_write()  local
2471 	struct comedi_device *dev = cfp->dev;  in comedi_write()
2606 	struct comedi_file *cfp = file->private_data;  in comedi_read()  local
2607 	struct comedi_device *dev = cfp->dev;  in comedi_read()
2737 	struct comedi_file *cfp;  in comedi_open()  local
2746 	cfp = kzalloc(sizeof(*cfp), GFP_KERNEL);  in comedi_open()
2747 	if (!cfp) {  in comedi_open()
2752 	cfp->dev = dev;  in comedi_open()
2775 	file->private_data = cfp;  in comedi_open()
2783 		kfree(cfp);  in comedi_open()
2790 	struct comedi_file *cfp = file->private_data;  in comedi_fasync()  local
2791 	struct comedi_device *dev = cfp->dev;  in comedi_fasync()
2798 	struct comedi_file *cfp = file->private_data;  in comedi_close()  local
2799 	struct comedi_device *dev = cfp->dev;  in comedi_close()
2825 	kfree(cfp);  in comedi_close()
2896 	struct comedi_file *cfp = file->private_data;  in compat_chaninfo()  local
2897 	struct comedi_device *dev = cfp->dev;  in compat_chaninfo()
2920 	struct comedi_file *cfp = file->private_data;  in compat_rangeinfo()  local
2921 	struct comedi_device *dev = cfp->dev;  in compat_rangeinfo()
2998 	struct comedi_file *cfp = file->private_data;  in compat_cmd()  local
2999 	struct comedi_device *dev = cfp->dev;  in compat_cmd()
3023 	struct comedi_file *cfp = file->private_data;  in compat_cmdtest()  local
3024 	struct comedi_device *dev = cfp->dev;  in compat_cmdtest()
3065 	struct comedi_file *cfp = file->private_data;  in compat_insnlist()  local
3066 	struct comedi_device *dev = cfp->dev;  in compat_insnlist()
3100 	struct comedi_file *cfp = file->private_data;  in compat_insn()  local
3101 	struct comedi_device *dev = cfp->dev;  in compat_insn()