From: Ivan Abramov Date: Wed, 8 Oct 2025 12:07:11 +0000 (+0300) Subject: power: supply: cw2015: Check devm_delayed_work_autocancel() return code X-Git-Tag: v6.12.63~250 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=748c3b8a681212174995a7b98b0575113b0168bd;p=thirdparty%2Fkernel%2Fstable.git power: supply: cw2015: Check devm_delayed_work_autocancel() return code [ Upstream commit 92ec7e7b86ec0aff9cd7db64d9dce50a0ea7c542 ] Since devm_delayed_work_autocancel() may fail, add return code check and exit cw_bat_probe() on error. Found by Linux Verification Center (linuxtesting.org) with SVACE. Fixes: 0cb172a4918e ("power: supply: cw2015: Use device managed API to simplify the code") Signed-off-by: Ivan Abramov Link: https://patch.msgid.link/20251008120711.556021-1-i.abramov@mt-integration.ru Signed-off-by: Sebastian Reichel Signed-off-by: Sasha Levin --- diff --git a/drivers/power/supply/cw2015_battery.c b/drivers/power/supply/cw2015_battery.c index 382dff8805c62..f41ce7e41fac9 100644 --- a/drivers/power/supply/cw2015_battery.c +++ b/drivers/power/supply/cw2015_battery.c @@ -702,7 +702,13 @@ static int cw_bat_probe(struct i2c_client *client) if (!cw_bat->battery_workqueue) return -ENOMEM; - devm_delayed_work_autocancel(&client->dev, &cw_bat->battery_delay_work, cw_bat_work); + ret = devm_delayed_work_autocancel(&client->dev, &cw_bat->battery_delay_work, cw_bat_work); + if (ret) { + dev_err_probe(&client->dev, ret, + "Failed to register delayed work\n"); + return ret; + } + queue_delayed_work(cw_bat->battery_workqueue, &cw_bat->battery_delay_work, msecs_to_jiffies(10)); return 0;