usb: core: endpoint: Fix error path

In function usb_create_ep_devs()
call put_device() when device_register() fails.

Signed-off-by: Rahul Ruikar <[e-mail]>
Signed-off-by: Greg Kroah-Hartman <[e-mail]>

drivers/usb/core/endpoint.c

···
 	return retval;
 
 error_register:
-	kfree(ep_dev);
+	put_device(&ep_dev->dev);
 exit:
 	return retval;
 }