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power: supply: axp288_fuel_gauge: Added check for negative values 

[ Upstream commit bf6c880d5d ]

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>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Denis Arefev 2022-12-06 12:17:23 +03:00 committed by Greg Kroah-Hartman
parent d71b48d5b1
commit ac5866fcb6
1 changed files with 2 additions and 0 deletions
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2
drivers/power/supply/axp288_fuel_gauge.c
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@ -724,6 +724,8 @@ static int axp288_fuel_gauge_probe(struct platform_device *pdev)
for (i = 0; i < AXP288_FG_INTR_NUM; i++) { for (i = 0; i < AXP288_FG_INTR_NUM; i++) {
pirq = platform_get_irq(pdev, i); pirq = platform_get_irq(pdev, i);
if (pirq < 0)
continue;
ret = regmap_irq_get_virq(axp20x->regmap_irqc, pirq); ret = regmap_irq_get_virq(axp20x->regmap_irqc, pirq);
if (ret < 0) if (ret < 0)
return dev_err_probe(dev, ret, "getting vIRQ %d\n", pirq); return dev_err_probe(dev, ret, "getting vIRQ %d\n", pirq);