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author | Axel Lin <axel.lin@ingics.com> | 2019-02-19 13:00:01 +0300 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-01-27 16:46:20 +0300 |
commit | ecd54f78e7156ec2ee15c6f017e1f0e10cbc7bf5 (patch) | |
tree | 142454967a93bd785d864e3a20f3a248eddc2c4d /drivers/regulator | |
parent | ea988ebd9f2a774d9c9b0f996a88e0890643d773 (diff) | |
download | linux-ecd54f78e7156ec2ee15c6f017e1f0e10cbc7bf5.tar.xz |
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 9a08cb2de501..6770e4de2097 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, |