From 7cd415f875591bc66c5ecb49bf84ef97e80d7b0e Mon Sep 17 00:00:00 2001 From: Axel Lin Date: Tue, 19 Feb 2019 18:00:00 +0800 Subject: [PATCH] regulator: pv88060: Fix array out-of-bounds access Fix off-by-one while iterating current_limits array. The valid index should be 0 ~ n_current_limits -1. Fixes: f307a7e9b7af ("regulator: pv88060: new regulator driver") Signed-off-by: Axel Lin Signed-off-by: Mark Brown --- drivers/regulator/pv88060-regulator.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/regulator/pv88060-regulator.c b/drivers/regulator/pv88060-regulator.c index a944605..1f2d818 100644 --- a/drivers/regulator/pv88060-regulator.c +++ b/drivers/regulator/pv88060-regulator.c @@ -135,7 +135,7 @@ static int pv88060_set_current_limit(struct regulator_dev *rdev, int min, int i; /* search for closest to maximum */ - for (i = info->n_current_limits; i >= 0; i--) { + for (i = info->n_current_limits - 1; i >= 0; i--) { if (min <= info->current_limits[i] && max >= info->current_limits[i]) { return regmap_update_bits(rdev->regmap, -- 2.7.4