regulator: pv88060: Fix array out-of-bounds access

[ Upstream commit 7cd415f875591bc66c5ecb49bf84ef97e80d7b0e ]

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 <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/drivers/regulator/pv88060-regulator.c b/drivers/regulator/pv88060-regulator.c
index 6c4afc73ecac3d7cb47d1a87da60b95f14ba9370..d229245d2b5e854c349adf37cd3e6d1b36e55b0a 100644 (file)
--- 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,