From a5455c9159414748bed4678184bf69989a4f7ba3 Mon Sep 17 00:00:00 2001
From: Axel Lin <axel.lin@ingics.com>
Date: Tue, 19 Feb 2019 18:00:02 +0800
Subject: [PATCH] regulator: pv88090: Fix array out-of-bounds access
Git-commit: a5455c9159414748bed4678184bf69989a4f7ba3
Patch-mainline: v5.1-rc1
References: bsc#1051510
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>
Acked-by: Takashi Iwai <tiwai@suse.de>
---
drivers/regulator/pv88090-regulator.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
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,
--
2.16.4