From 3c24019ddeab71ddf125ad2ad13a38041655c1fd Mon Sep 17 00:00:00 2001 From: Axel Lin Date: Wed, 18 May 2011 20:56:45 +0800 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 Acked-by: Mark Brown Signed-off-by: Liam Girdwood --- drivers/regulator/mc13xxx-regulator-core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/regulator/mc13xxx-regulator-core.c b/drivers/regulator/mc13xxx-regulator-core.c index 2bb5de1f2421..bc27ab136378 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]; } -- 2.20.1