Replace unnecessary conditional checks for variable 'ret' and replace
by single return statement.
Signed-off-by: Abhishek Sharma <asharm14@visteon.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
        s->insn_write   = adv_pci1724_insn_write;
        s->private      = (void *)PCI1724_DAC_CTRL_MODE_GAIN;
 
-       ret = comedi_alloc_subdev_readback(s);
-       if (ret)
-               return ret;
-
-       return 0;
+       return comedi_alloc_subdev_readback(s);
 }
 
 static struct comedi_driver adv_pci1724_driver = {