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Staging: comedi: range: tidy up comedi_check_chanlist()
Refactor this function to remove an extra indent level Signed-off-by: Fred Akers <knivey@botops.net> Reviewed-by: H Hartley Sweeten <hsweeten@visionengravers.com> Reviewed-by: Ian Abbott <abbotti@mev.co.uk> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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f3c25d5690
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drivers/staging/comedi
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@ -143,29 +143,28 @@ int comedi_check_chanlist(struct comedi_subdevice *s, int n,
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unsigned int chanspec;
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int chan, range_len, i;
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if (s->range_table || s->range_table_list) {
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for (i = 0; i < n; i++) {
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chanspec = chanlist[i];
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chan = CR_CHAN(chanspec);
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if (s->range_table)
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range_len = s->range_table->length;
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else if (s->range_table_list && chan < s->n_chan)
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range_len = s->range_table_list[chan]->length;
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else
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range_len = 0;
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if (chan >= s->n_chan ||
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CR_RANGE(chanspec) >= range_len ||
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aref_invalid(s, chanspec)) {
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dev_warn(dev->class_dev,
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"bad chanlist[%d]=0x%08x chan=%d range length=%d\n",
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i, chanspec, chan, range_len);
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return -EINVAL;
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}
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}
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} else {
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if (!s->range_table && !s->range_table_list) {
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dev_err(dev->class_dev, "(bug) no range type list!\n");
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return -EINVAL;
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}
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for (i = 0; i < n; i++) {
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chanspec = chanlist[i];
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chan = CR_CHAN(chanspec);
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if (s->range_table)
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range_len = s->range_table->length;
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else if (s->range_table_list && chan < s->n_chan)
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range_len = s->range_table_list[chan]->length;
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else
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range_len = 0;
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if (chan >= s->n_chan ||
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CR_RANGE(chanspec) >= range_len ||
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aref_invalid(s, chanspec)) {
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dev_warn(dev->class_dev,
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"bad chanlist[%d]=0x%08x chan=%d range length=%d\n",
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i, chanspec, chan, range_len);
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return -EINVAL;
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}
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}
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return 0;
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}
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EXPORT_SYMBOL_GPL(comedi_check_chanlist);
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