remove all warnings that sparse complains about in the dt9812 driver
Cc: Anders Blomdell <anders.blomdell@control.lth.se>
Cc: David Schleef <ds@schleef.org>
Cc: Frank Mori Hess <fmhess@users.sourceforge.net>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
                 * Seems like a configuration reset is necessary if driver is
                 * reloaded while device is attached
                 */
-               int i;
-
                usb_reset_configuration(dev->udev);
                for (i = 0; i < 10; i++) {
                        retval = dt9812_read_info(dev, 1, &fw, sizeof(fw));
        s->subdev_flags = SDF_READABLE | SDF_GROUND;
        s->n_chan = 0;
        s->maxdata = 1;
-       s->range_table = 0;
+       s->range_table = NULL;
        s->insn_read = &dt9812_ai_rinsn;
 
        /* analog output subdevice */
        s->subdev_flags = SDF_WRITEABLE;
        s->n_chan = 0;
        s->maxdata = 1;
-       s->range_table = 0;
+       s->range_table = NULL;
        s->insn_write = &dt9812_ao_winsn;
        s->insn_read = &dt9812_ao_rinsn;