lkml.org 
[lkml]   [2022]   [Dec]   [6]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH] power: supply: Added check for negative values
Date
Variable 'pirq', which may receive negative value
in platform_get_irq().
Used as an index in a function regmap_irq_get_virq().

Found by Linux Verification Center (linuxtesting.org) with SVACE.

Signed-off-by: Denis Arefev <arefev@swemel.ru>
---
drivers/power/supply/axp288_fuel_gauge.c | 2 ++
1 file changed, 2 insertions(+)

diff --git a/drivers/power/supply/axp288_fuel_gauge.c b/drivers/power/supply/axp288_fuel_gauge.c
index 148eb8105803..36c7039c99c2 100644
--- a/drivers/power/supply/axp288_fuel_gauge.c
+++ b/drivers/power/supply/axp288_fuel_gauge.c
@@ -640,6 +640,8 @@ static void fuel_gauge_init_irq(struct axp288_fg_info *info)

for (i = 0; i < AXP288_FG_INTR_NUM; i++) {
pirq = platform_get_irq(info->pdev, i);
+ if (pirq < 0)
+ continue;
info->irq[i] = regmap_irq_get_virq(info->regmap_irqc, pirq);
if (info->irq[i] < 0) {
dev_warn(&info->pdev->dev,
--
2.25.1
\
 
 \ /
  Last update: 2022-12-06 10:21    [W:0.037 / U:0.080 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site