slimbus: core: fix OF node leak on registration failure

Make sure to drop the OF node reference taken when initialising and
registering the slimbus device also on registration failure by releasing
it in the destructor as expected.

Fixes: 7588a51 ("slimbus: core: add support to device tree helper")
Fixes: 0136085 ("slimbus: core: Fix mismatch in of_node_get/put")
Cc: Saravana Kannan <saravanak@google.com>
Signed-off-by: Johan Hovold <johan@kernel.org>
Link: https://patch.msgid.link/20251126145329.5022-2-johan@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Author: jhovold

drivers/slimbus/core.c

@@ -146,6 +146,7 @@ static void slim_dev_release(struct device *dev)
 {
 	struct slim_device *sbdev = to_slim_device(dev);
 
+	of_node_put(sbdev->dev.of_node);
 	kfree(sbdev);
 }
 
@@ -280,7 +281,6 @@ EXPORT_SYMBOL_GPL(slim_register_controller);
 /* slim_remove_device: Remove the effect of slim_add_device() */
 static void slim_remove_device(struct slim_device *sbdev)
 {
-	of_node_put(sbdev->dev.of_node);
 	device_unregister(&sbdev->dev);
 }