s_read           2406 drivers/staging/comedi/comedi_fops.c 	struct comedi_subdevice *s, *s_read;
s_read           2416 drivers/staging/comedi/comedi_fops.c 	s_read = s;
s_read           2429 drivers/staging/comedi/comedi_fops.c 		if (s != s_read)