linux-kernel - [PATCH] power: supply: mt6360: add a check of devm_work_autocancel in mt6360_charger

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Message-Id: <20230227031410.893593-1-void0red@gmail.com>
Date:   Mon, 27 Feb 2023 11:14:10 +0800
From:   void0red <void0red@...il.com>
To:     angelogioacchino.delregno@...labora.com
Cc:     sre@...nel.org, matthias.bgg@...il.com, linux-pm@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org, Kang Chen <void0red@...il.com>
Subject: [PATCH] power: supply: mt6360: add a check of devm_work_autocancel in mt6360_charger_probe

From: Kang Chen <void0red@...il.com>

devm_work_autocancel may fails, add a check and return early.

Signed-off-by: Kang Chen <void0red@...il.com>
---
 drivers/power/supply/mt6360_charger.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/power/supply/mt6360_charger.c b/drivers/power/supply/mt6360_charger.c
index 92e48e3a4..1305cba61 100644
--- a/drivers/power/supply/mt6360_charger.c
+++ b/drivers/power/supply/mt6360_charger.c
@@ -796,7 +796,9 @@ static int mt6360_charger_probe(struct platform_device *pdev)
 	mci->vinovp = 6500000;
 	mutex_init(&mci->chgdet_lock);
 	platform_set_drvdata(pdev, mci);
-	devm_work_autocancel(&pdev->dev, &mci->chrdet_work, mt6360_chrdet_work);
+	ret = devm_work_autocancel(&pdev->dev, &mci->chrdet_work, mt6360_chrdet_work);
+	if (ret)
+		return dev_err_probe(&pdev->dev, ret, "Failed to set delayed work\n");
 
 	ret = device_property_read_u32(&pdev->dev, "richtek,vinovp-microvolt", &mci->vinovp);
 	if (ret)
-- 
2.34.1