The comedi core can only call this subdevice function is the private
data was successfully allocated during the (*auto_attach). Remove
the unnecessary check.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
static int usbdux_ao_cmdtest(struct comedi_device *dev,
struct comedi_subdevice *s, struct comedi_cmd *cmd)
{
- struct usbdux_private *devpriv = dev->private;
int err = 0;
unsigned int flags;
- if (!devpriv)
- return -EFAULT;
-
/* Step 1 : check if triggers are trivially valid */
err |= comedi_check_trigger_src(&cmd->start_src, TRIG_NOW | TRIG_INT);