From: Denis Arefev <arefev@swemel.ru>
To: Sebastian Reichel <sre@kernel.org>
Cc: Chen-Yu Tsai <wens@csie.org>, Hans de Goede <hdegoede@redhat.com>,
linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org,
lvc-patches@linuxtesting.org, trufanov@swemel.ru, vfh@swemel.ru
Subject: [PATCH] power: supply: Added check for negative values
Date: Thu, 17 Nov 2022 15:01:40 +0300 [thread overview]
Message-ID: <20221117120140.103208-1-arefev@swemel.ru> (raw)
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
next reply other threads:[~2022-11-17 12:02 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-11-17 12:01 Denis Arefev [this message]
2022-11-17 22:45 ` Sebastian Reichel
2022-12-06 9:17 Denis Arefev
2022-12-06 17:11 ` Hans de Goede
2023-01-02 22:19 ` Sebastian Reichel
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