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Date: Wed, 18 May 2011 20:56:45 +0800 From: Axel Lin <axel.lin@...il.com> To: linux-kernel@...r.kernel.org Cc: Yong Shen <yong.shen@...aro.org>, Liam Girdwood <lrg@...mlogic.co.uk>, Mark Brown <broonie@...nsource.wolfsonmicro.com> Subject: [PATCH] regulator: Fix off-by-one value range checking for mc13xxx_regulator_get_voltage 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@...il.com> --- drivers/regulator/mc13xxx-regulator-core.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/drivers/regulator/mc13xxx-regulator-core.c b/drivers/regulator/mc13xxx-regulator-core.c index 2bb5de1..bc27ab1 100644 --- a/drivers/regulator/mc13xxx-regulator-core.c +++ b/drivers/regulator/mc13xxx-regulator-core.c @@ -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]; } -- 1.7.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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