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regulator: ab8500 - fix off-by-one value range checking for selector

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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>
This commit is contained in:
Axel Lin 2010-09-04 23:06:41 +08:00 committed by Liam Girdwood
parent d06563cb86
commit 49990e6efe
1 changed files with 1 additions and 1 deletions
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2
drivers/regulator/ab8500.c
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@ -157,7 +157,7 @@ static int ab8500_list_voltage(struct regulator_dev *rdev, unsigned selector)
if (info->fixed_uV)
return info->fixed_uV;
if (selector > info->voltages_len)
if (selector >= info->voltages_len)
return -EINVAL;
return info->supported_voltages[selector];