[PATCH] power: supply: Added check for negative values
From: Denis Arefev
Date: Tue Dec 06 2022 - 04:19:34 EST
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@xxxxxxxxx>
---
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