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Date: Sun, 22 Aug 2010 22:38:15 +0800 From: Axel Lin <axel.lin@...il.com> To: linux-kernel <linux-kernel@...r.kernel.org> Cc: Liam Girdwood <lrg@...mlogic.co.uk>, Mark Brown <broonie@...nsource.wolfsonmicro.com>, Mike Rapoport <mike@...pulab.co.il> Subject: [PATCH 1/2] regulator: tps6586x-regulator - fix value range checking for val val is used as array index of ri->voltages. Thus the valid value range should be 0 .. ri->desc.n_voltages - 1. Signed-off-by: Axel Lin <axel.lin@...il.com> --- drivers/regulator/tps6586x-regulator.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/drivers/regulator/tps6586x-regulator.c b/drivers/regulator/tps6586x-regulator.c index 8cff141..facd439 100644 --- a/drivers/regulator/tps6586x-regulator.c +++ b/drivers/regulator/tps6586x-regulator.c @@ -133,7 +133,7 @@ static int tps6586x_ldo_get_voltage(struct regulator_dev *rdev) mask = ((1 << ri->volt_nbits) - 1) << ri->volt_shift; val = (val & mask) >> ri->volt_shift; - if (val > ri->desc.n_voltages) + if (val >= ri->desc.n_voltages) BUG(); return ri->voltages[val] * 1000; -- 1.7.0.4 -- 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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