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@linux.intel.com>
Signed-off-by: Javier Carrasco <javier.carrasco.cruz@gmail.com>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Link: https://lore.kernel.org/r/20241021-typec-class-fwnode_handle_put-v2-2-3281225d3d27@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Author: javiercarrascocruz

drivers/usb/typec/class.c

@@ -2293,15 +2293,17 @@ 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;
 	u16 svid;
 	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);