linux-kernel - [PATCH 1/4] extcon: adc-jack: Fix wakeup source leaks on device unbind

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Message-Id: <20250406-device-wakeup-leak-extcon-v1-1-8873eca57465@linaro.org>
Date: Sun, 06 Apr 2025 22:16:39 +0200
From: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To: MyungJoo Ham <myungjoo.ham@...sung.com>, 
 Chanwoo Choi <cw00.choi@...sung.com>, Hans de Goede <hdegoede@...hat.com>, 
 Chen-Yu Tsai <wens@...e.org>
Cc: linux-kernel@...r.kernel.org, linux-arm-msm@...r.kernel.org, 
 Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Subject: [PATCH 1/4] extcon: adc-jack: Fix wakeup source leaks on device
 unbind

Device can be unbound, so driver must also release memory for the wakeup
source.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
---
 drivers/extcon/extcon-adc-jack.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/extcon/extcon-adc-jack.c b/drivers/extcon/extcon-adc-jack.c
index 46c40d85c2ac89599ffbe7b6d11b161b295d5564..d7e4b1418d7e6b242780b3511f2a49def3acb7a6 100644
--- a/drivers/extcon/extcon-adc-jack.c
+++ b/drivers/extcon/extcon-adc-jack.c
@@ -164,6 +164,7 @@ static void adc_jack_remove(struct platform_device *pdev)
 {
 	struct adc_jack_data *data = platform_get_drvdata(pdev);
 
+	device_init_wakeup(&pdev->dev, 0);
 	free_irq(data->irq, data);
 	cancel_work_sync(&data->handler.work);
 }

-- 
2.45.2