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| author | Axel Lin <axel.lin@ingics.com> | 2019-02-19 13:00:02 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-01-27 16:50:25 +0300 |
| commit | 87e2846dd5ae8c1e616080942d7ed2d50d57d5c2 (patch) | |
| tree | 48272021af492e2e2b0d83e7c77e9e2c91a192a6 /drivers/regulator | |
| parent | fe8d74c8190482e09a34862b64dee60f3c4253e1 (diff) | |
| download | linux-87e2846dd5ae8c1e616080942d7ed2d50d57d5c2.tar.xz | |
regulator: pv88090: Fix array out-of-bounds access
[ Upstream commit a5455c9159414748bed4678184bf69989a4f7ba3 ]
Fix off-by-one while iterating current_limits array.
The valid index should be 0 ~ n_current_limits -1.
Fixes: c90456e36d9c ("regulator: pv88090: 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/pv88090-regulator.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/regulator/pv88090-regulator.c b/drivers/regulator/pv88090-regulator.c index 7a0c15957bd0..2302b0df7630 100644 --- a/drivers/regulator/pv88090-regulator.c +++ b/drivers/regulator/pv88090-regulator.c @@ -157,7 +157,7 @@ static int pv88090_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, |