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



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