staging: iio: fix trigger handler of iio_simple_dummy driver
accessing first and last channel fails: fakedata[0] is never accessed, out-of-bound access for last channel Signed-off-by: Peter Meerwald <pmeerw@pmeerw.net> Acked-by: Jonathan Cameron <jic23@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -75,9 +75,9 @@ static irqreturn_t iio_simple_dummy_trigger_h(int irq, void *p)
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for (i = 0, j = 0;
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i < bitmap_weight(indio_dev->active_scan_mask,
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indio_dev->masklength);
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i++) {
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i++, j++) {
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j = find_next_bit(buffer->scan_mask,
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indio_dev->masklength, j + 1);
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indio_dev->masklength, j);
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/* random access read from the 'device' */
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data[i] = fakedata[j];
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len += 2;
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