staging: comedi: usbduxsigma: remove unnecessary check in usbdux_ai_cmd()

The comedi core verifies that the command chanlist_len is valid for
the subdevice based on the len_chanlist that was setup during the
attach. There is no need to recheck it in the (*cmd) function.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/comedi/drivers/usbduxsigma.c

@@ -818,12 +818,6 @@ static int usbdux_ai_cmd(struct comedi_device *dev, struct comedi_subdevice *s)
 	for (i = 0; i < cmd->chanlist_len; i++) {
 		chan = CR_CHAN(cmd->chanlist[i]);
 		create_adc_command(chan, &muxsg0, &muxsg1);
-		if (i >= NUMCHANNELS) {
-			dev_err(&this_usbduxsub->interface->dev,
-				"comedi%d: channel list too long\n",
-				dev->minor);
-			break;
-		}
 	}
 	this_usbduxsub->dux_commands[5] = muxsg0;
 	this_usbduxsub->dux_commands[6] = muxsg1;