regulator: ab8500 - fix off-by-one value range checking for selector
selector is used as array index of info->supported_voltages Thus the valid value range should be 0 .. info->voltages_len -1 Signed-off-by: Axel Lin <axel.lin@gmail.com> Acked-by: Mark Brown <broonie@openource.wolfsonmicro.com> Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
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@ -157,7 +157,7 @@ static int ab8500_list_voltage(struct regulator_dev *rdev, unsigned selector)
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if (info->fixed_uV)
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if (info->fixed_uV)
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return info->fixed_uV;
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return info->fixed_uV;
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if (selector > info->voltages_len)
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if (selector >= info->voltages_len)
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return -EINVAL;
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return -EINVAL;
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return info->supported_voltages[selector];
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return info->supported_voltages[selector];
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