The comedi insn_config functions should return < 0 for errors or the number of data elements used to perform the command, this value is available as 'insn->n'. Return that instead of the open coded number to better indicate what the return means.
Signed-off-by: H Hartley Sweeten <[email protected]> Cc: Ian Abbott <[email protected]> Cc: Frank Mori Hess <[email protected]> Cc: Greg Kroah-hartman <[email protected]> --- drivers/staging/comedi/drivers/ni_daq_700.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/staging/comedi/drivers/ni_daq_700.c b/drivers/staging/comedi/drivers/ni_daq_700.c index 2ea3c8d..cc46948 100644 --- a/drivers/staging/comedi/drivers/ni_daq_700.c +++ b/drivers/staging/comedi/drivers/ni_daq_700.c @@ -89,13 +89,12 @@ static int subdev_700_insn_config(struct comedi_device *dev, break; case INSN_CONFIG_DIO_QUERY: data[1] = (s->io_bits & chan) ? COMEDI_OUTPUT : COMEDI_INPUT; - return insn->n; break; default: return -EINVAL; } - return 1; + return insn->n; } static int dio700_attach(struct comedi_device *dev, struct comedi_devconfig *it) -- 1.7.11 _______________________________________________ devel mailing list [email protected] http://driverdev.linuxdriverproject.org/mailman/listinfo/devel
