abb->current_info_idx is used as array subscript to access volt_table, thus the valid value range should be 0 ... desc->n_voltages - 1.
Signed-off-by: Axel Lin <axel....@ingics.com> --- drivers/regulator/ti-abb-regulator.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/regulator/ti-abb-regulator.c b/drivers/regulator/ti-abb-regulator.c index c1870ea..870d209 100644 --- a/drivers/regulator/ti-abb-regulator.c +++ b/drivers/regulator/ti-abb-regulator.c @@ -387,8 +387,8 @@ static int ti_abb_get_voltage_sel(struct regulator_dev *rdev) return -EINVAL; } - if (abb->current_info_idx > (int)desc->n_voltages) { - dev_err(dev, "%s: Corrupted data? idx(%d) > n_voltages(%d)\n", + if (abb->current_info_idx >= (int)desc->n_voltages) { + dev_err(dev, "%s: Corrupted data? idx(%d) >= n_voltages(%d)\n", __func__, abb->current_info_idx, desc->n_voltages); return -EINVAL; } -- 1.8.1.2 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/