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regulator: Fix off-by-one value range checking for mc13xxx_regulator_get_voltage

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We use val as array index,
thus the valid value rangae for val should be 0 .. n_voltages-1.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
This commit is contained in:
Axel Lin 2011-05-18 20:56:45 +08:00 committed by Liam Girdwood
parent 6dc4efc6d5
commit 3c24019dde
1 changed files with 1 additions and 1 deletions
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2
drivers/regulator/mc13xxx-regulator-core.c
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@ -174,7 +174,7 @@ static int mc13xxx_regulator_get_voltage(struct regulator_dev *rdev)
dev_dbg(rdev_get_dev(rdev), "%s id: %d val: %d\n", __func__, id, val);
BUG_ON(val > mc13xxx_regulators[id].desc.n_voltages);
BUG_ON(val >= mc13xxx_regulators[id].desc.n_voltages);
return mc13xxx_regulators[id].voltages[val];
}