extcon: fix possible name leak in extcon_dev_register()

In the error path after calling dev_set_name(), the device
name is leaked. To fix this, moving dev_set_name() after the
error path and before device_register.

Link: https://lore.kernel.org/lkml/[e-mail]/
Signed-off-by: Yaxiong Tian <[e-mail]>
Signed-off-by: Chanwoo Choi <[e-mail]>

drivers/extcon/extcon.c

···
 
 	edev->id = ret;
 
-	dev_set_name(&edev->dev, "extcon%d", edev->id);
-
 	ret = extcon_alloc_cables(edev);
 	if (ret < 0)
 		goto err_alloc_cables;
···
 	RAW_INIT_NOTIFIER_HEAD(&edev->nh_all);
 
 	dev_set_drvdata(&edev->dev, edev);
+	dev_set_name(&edev->dev, "extcon%d", edev->id);
 	edev->state = 0;
 
 	ret = device_register(&edev->dev);