linux-kernel - [PATCH v2 2/2] usb: typec: use cleanup facility for 'altmodes

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Message-Id: <20241021-typec-class-fwnode_handle_put-v2-2-3281225d3d27@gmail.com>
Date: Mon, 21 Oct 2024 22:45:30 +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, 
 Javier Carrasco <javier.carrasco.cruz@...il.com>
Subject: [PATCH v2 2/2] usb: typec: use cleanup facility for
 'altmodes_node'

Use the __free() macro for 'altmodes_node' to automatically release the
node when it goes out of scope, removing the need for explicit calls to
fwnode_handle_put().

Suggested-by: Heikki Krogerus <heikki.krogerus@...ux.intel.com>
Signed-off-by: Javier Carrasco <javier.carrasco.cruz@...il.com>
---
 drivers/usb/typec/class.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/drivers/usb/typec/class.c b/drivers/usb/typec/class.c
index 1eb240604cf6..58f40156de56 100644
--- a/drivers/usb/typec/class.c
+++ b/drivers/usb/typec/class.c
@@ -2293,7 +2293,7 @@ void typec_port_register_altmodes(struct typec_port *port,
 	const struct typec_altmode_ops *ops, void *drvdata,
 	struct typec_altmode **altmodes, size_t n)
 {
-	struct fwnode_handle *altmodes_node, *child;
+	struct fwnode_handle *child;
 	struct typec_altmode_desc desc;
 	struct typec_altmode *alt;
 	size_t index = 0;
@@ -2301,7 +2301,9 @@ void typec_port_register_altmodes(struct typec_port *port,
 	u32 vdo;
 	int ret;
 
-	altmodes_node = device_get_named_child_node(&port->dev, "altmodes");
+	struct fwnode_handle *altmodes_node  __free(fwnode_handle) =
+		device_get_named_child_node(&port->dev, "altmodes");
+
 	if (!altmodes_node)
 		return; /* No altmodes specified */
 
@@ -2341,7 +2343,6 @@ 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);
 

-- 
2.43.0