linux-kernel - [PATCH 1/2] watchdog: stm32: Fix wakeup source leaks on device unbind

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Message-ID: <20250406203531.61322-1-krzysztof.kozlowski@linaro.org>
Date: Sun,  6 Apr 2025 22:35:30 +0200
From: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To: Wim Van Sebroeck <wim@...ux-watchdog.org>,
	Guenter Roeck <linux@...ck-us.net>,
	Maxime Coquelin <mcoquelin.stm32@...il.com>,
	Alexandre Torgue <alexandre.torgue@...s.st.com>,
	linux-watchdog@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-stm32@...md-mailman.stormreply.com,
	linux-arm-kernel@...ts.infradead.org
Cc: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Subject: [PATCH 1/2] watchdog: stm32: Fix wakeup source leaks on device unbind

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

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
---
 drivers/watchdog/stm32_iwdg.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/watchdog/stm32_iwdg.c b/drivers/watchdog/stm32_iwdg.c
index 8ad06b54c5ad..b356a272ff9a 100644
--- a/drivers/watchdog/stm32_iwdg.c
+++ b/drivers/watchdog/stm32_iwdg.c
@@ -291,7 +291,7 @@ static int stm32_iwdg_irq_init(struct platform_device *pdev,
 		return 0;
 
 	if (of_property_read_bool(np, "wakeup-source")) {
-		ret = device_init_wakeup(dev, true);
+		ret = devm_device_init_wakeup(dev);
 		if (ret)
 			return ret;
 
-- 
2.45.2