linux-kernel - [PATCH] usb: typec: fix unreleased fwnode_handle in typec_port_register

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Message-Id: <20241019-typec-class-fwnode_handle_put-v1-1-a3b5a0a02795@gmail.com>
Date: Sat, 19 Oct 2024 22:40:19 +0200
From: Javier Carrasco <javier.carrasco.cruz@...il.com>
To: Heikki Krogerus <heikki.krogerus@...ux.intel.com>, 
 Greg Kroah-Hartman <gregkh@...uxfoundation.org>, 
 Hans de Goede <hdegoede@...hat.com>
Cc: linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org, 
 stable@...r.kernel.org, Javier Carrasco <javier.carrasco.cruz@...il.com>
Subject: [PATCH] usb: typec: fix unreleased fwnode_handle in
 typec_port_register_altmodes()

The 'altmodes_node' fwnode_handle is never released after it is no
longer required, which leaks the resource.

Add the required call to fwnode_handle_put() when 'altmodes_node' is no
longer required.

Cc: stable@...r.kernel.org
Fixes: 7b458a4c5d73 ("usb: typec: Add typec_port_register_altmodes()")
Signed-off-by: Javier Carrasco <javier.carrasco.cruz@...il.com>
---
 drivers/usb/typec/class.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/usb/typec/class.c b/drivers/usb/typec/class.c
index d61b4c74648d..1eb240604cf6 100644
--- a/drivers/usb/typec/class.c
+++ b/drivers/usb/typec/class.c
@@ -2341,6 +2341,7 @@ void typec_port_register_altmodes(struct typec_port *port,
 		altmodes[index] = alt;
 		index++;
 	}
+	fwnode_handle_put(altmodes_node);
 }
 EXPORT_SYMBOL_GPL(typec_port_register_altmodes);
 

---
base-commit: f2493655d2d3d5c6958ed996b043c821c23ae8d3
change-id: 20241019-typec-class-fwnode_handle_put-b3648f5bc51b

Best regards,
-- 
Javier Carrasco <javier.carrasco.cruz@...il.com>