From: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
To: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
"Rafael J. Wysocki" <rafael@kernel.org>,
Danilo Krummrich <dakr@kernel.org>,
Jonathan Corbet <corbet@lwn.net>,
Shuah Khan <skhan@linuxfoundation.org>, Tejun Heo <tj@kernel.org>,
Lai Jiangshan <jiangshanlai@gmail.com>,
Tobias Schrammm <t.schramm@manjaro.org>,
Sebastian Reichel <sre@kernel.org>,
Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
Dan Carpenter <dan.carpenter@linaro.org>,
Krzysztof Kozlowski <krzk@kernel.org>, Lee Jones <lee@kernel.org>,
Dzmitry Sankouski <dsankouski@gmail.com>,
Matthias Brugger <matthias.bgg@gmail.com>,
AngeloGioacchino Del Regno
<angelogioacchino.delregno@collabora.com>,
Benson Leung <bleung@chromium.org>,
Tzung-Bi Shih <tzungbi@kernel.org>
Cc: driver-core@lists.linux.dev, linux-doc@vger.kernel.org,
linux-kernel@vger.kernel.org,
Sebastian Reichel <sebastian.reichel@collabora.com>,
linux-pm@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
linux-mediatek@lists.infradead.org,
chrome-platform@lists.linux.dev, stable@vger.kernel.org,
Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Subject: [PATCH 2/9] power: supply: cw2015: Free allocated workqueue
Date: Mon, 23 Feb 2026 08:27:30 +0100 [thread overview]
Message-ID: <20260223-workqueue-devm-v1-2-10b3a6087586@oss.qualcomm.com> (raw)
In-Reply-To: <20260223-workqueue-devm-v1-0-10b3a6087586@oss.qualcomm.com>
Use devm interface so allocated workqueue will be freed during device
removal and error paths, thus fixing memory leak.
Cc: <stable@vger.kernel.org>
Fixes: b4c7715c10c1 ("power: supply: add CellWise cw2015 fuel gauge driver")
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
---
Depends on devm_create_singlethread_workqueue() from earlier patches.
---
drivers/power/supply/cw2015_battery.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/power/supply/cw2015_battery.c b/drivers/power/supply/cw2015_battery.c
index a05dcc4a48f2..1e4e3b4c7460 100644
--- a/drivers/power/supply/cw2015_battery.c
+++ b/drivers/power/supply/cw2015_battery.c
@@ -694,7 +694,8 @@ static int cw_bat_probe(struct i2c_client *client)
"No monitored battery, some properties will be missing\n");
}
- cw_bat->battery_workqueue = create_singlethread_workqueue("rk_battery");
+ cw_bat->battery_workqueue = devm_create_singlethread_workqueue(&client->dev,
+ "rk_battery");
if (!cw_bat->battery_workqueue)
return -ENOMEM;
--
2.51.0
next prev parent reply other threads:[~2026-02-23 7:27 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-02-23 7:27 [PATCH 0/9] workqueue / drivers: Add device-managed allocate workqueue Krzysztof Kozlowski
2026-02-23 7:27 ` [PATCH 1/9] workqueue: devres: " Krzysztof Kozlowski
2026-02-23 8:56 ` Andy Shevchenko
2026-02-23 10:18 ` Krzysztof Kozlowski
2026-02-23 11:34 ` Andy Shevchenko
2026-02-23 11:43 ` Krzysztof Kozlowski
2026-02-23 11:48 ` Andy Shevchenko
2026-02-23 11:52 ` Krzysztof Kozlowski
2026-02-23 12:12 ` Andy Shevchenko
2026-02-23 13:52 ` Matti Vaittinen
2026-02-23 10:36 ` Danilo Krummrich
2026-02-23 10:44 ` Krzysztof Kozlowski
2026-02-23 15:42 ` Tejun Heo
2026-03-05 20:16 ` Krzysztof Kozlowski
2026-02-23 7:27 ` Krzysztof Kozlowski [this message]
2026-02-23 7:27 ` [PATCH 3/9] power: supply: max77705: Free allocated workqueue and fix removal order Krzysztof Kozlowski
2026-02-23 8:57 ` Andy Shevchenko
2026-02-23 10:19 ` Krzysztof Kozlowski
2026-02-23 11:29 ` Andy Shevchenko
2026-02-23 7:27 ` [PATCH 4/9] power: supply: mt6370: Simplify with devm_create_singlethread_workqueue Krzysztof Kozlowski
2026-02-23 7:27 ` [PATCH 5/9] power: supply: ipaq_micro: Simplify with devm Krzysztof Kozlowski
2026-02-23 7:27 ` [PATCH 6/9] mfd: ezx-pcap: Drop memory allocation error message Krzysztof Kozlowski
2026-02-23 7:27 ` [PATCH 7/9] mfd: ezx-pcap: Return directly instead of empty gotos Krzysztof Kozlowski
2026-02-23 7:27 ` [PATCH 8/9] mfd: ezx-pcap: Avoid rescheduling after destroying workqueue Krzysztof Kozlowski
2026-02-23 7:27 ` [PATCH 9/9] platform/chrome: cros_usbpd_logger: Simplify with devm Krzysztof Kozlowski
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