diff options
author | Axel Lin <axel.lin@ingics.com> | 2019-02-19 18:00:01 +0800 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-01-29 10:24:16 +0100 |
commit | 9557c44c88fdbe52d8d2eda80fed22f24ecff7c9 (patch) | |
tree | f45f65a174e462604184525ae9b2220b1da227a9 /drivers/regulator | |
parent | 9614a95d31622896e00b78c7382c2fc794541009 (diff) |
regulator: pv88080: Fix array out-of-bounds access
[ Upstream commit 3c413f594c4f9df40061445667ca11a12bc8ee34 ]
Fix off-by-one while iterating current_limits array.
The valid index should be 0 ~ n_current_limits -1.
Fixes: 99cf3af5e2d5 ("regulator: pv88080: 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>
Diffstat (limited to 'drivers/regulator')
-rw-r--r-- | drivers/regulator/pv88080-regulator.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/regulator/pv88080-regulator.c b/drivers/regulator/pv88080-regulator.c index 954a20eeb26f..a40ecfb77210 100644 --- a/drivers/regulator/pv88080-regulator.c +++ b/drivers/regulator/pv88080-regulator.c @@ -279,7 +279,7 @@ static int pv88080_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, |