linux-kernel - [PATCH 1/2] hwmon: emc2305: Fix a resource leak in emc2305_of_parse_pwm

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Message-ID: <tencent_E871320535E4E0B29E3D0E43102B899CF009@qq.com>
Date: Thu, 15 Jan 2026 21:42:37 +0800
From: Felix Gu <gu_0233@...com>
To: Guenter Roeck <linux@...ck-us.net>,
	Ban Feng <kcfeng0@...oton.com>
Cc: linux-hwmon@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Felix Gu <gu_0233@...com>
Subject: [PATCH 1/2] hwmon: emc2305: Fix a resource leak in emc2305_of_parse_pwm_child

When calling of_parse_phandle_with_args(), the caller is responsible
to call of_node_put() to release the reference of device node.
In emc2305_of_parse_pwm_child, it does not release the reference,
causing a resource leak.

Signed-off-by: Felix Gu <gu_0233@...com>
---
 drivers/hwmon/emc2305.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/hwmon/emc2305.c b/drivers/hwmon/emc2305.c
index 8f80a39574f3..64b213e1451e 100644
--- a/drivers/hwmon/emc2305.c
+++ b/drivers/hwmon/emc2305.c
@@ -578,6 +578,7 @@ static int emc2305_of_parse_pwm_child(struct device *dev,
 		data->pwm_output_mask |= EMC2305_OPEN_DRAIN << ch;
 	}
 
+	of_node_put(args.np);
 	return 0;
 }
 

-- 
2.43.0