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* [PATCH 1/3] regulator: pv88060: Fix array out-of-bounds access
@ 2019-02-19 10:00 Axel Lin
  2019-02-19 10:00 ` [PATCH 2/3] regulator: pv88080: " Axel Lin
  2019-02-19 10:00 ` [PATCH 3/3] regulator: pv88090: " Axel Lin
  0 siblings, 2 replies; 3+ messages in thread
From: Axel Lin @ 2019-02-19 10:00 UTC (permalink / raw)
  To: Mark Brown; +Cc: James Ban, Liam Girdwood, linux-kernel, Axel Lin

Fix off-by-one while iterating current_limits array.
The valid index should be 0 ~ n_current_limits -1.

Fixes: f307a7e9b7af ("regulator: pv88060: new regulator driver")
Signed-off-by: Axel Lin <axel.lin@ingics.com>
---
 drivers/regulator/pv88060-regulator.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/regulator/pv88060-regulator.c b/drivers/regulator/pv88060-regulator.c
index d5dab9bef378..da6ed723e398 100644
--- a/drivers/regulator/pv88060-regulator.c
+++ b/drivers/regulator/pv88060-regulator.c
@@ -135,7 +135,7 @@ static int pv88060_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,
-- 
2.17.1


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2019-02-19 10:00 [PATCH 1/3] regulator: pv88060: Fix array out-of-bounds access Axel Lin
2019-02-19 10:00 ` [PATCH 2/3] regulator: pv88080: " Axel Lin
2019-02-19 10:00 ` [PATCH 3/3] regulator: pv88090: " Axel Lin

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