From: Johannes Berg <johannes@xxxxxxxxxxxxxxxx>
Date: Tue, 25 Feb 2020 11:00:53 +0100
> +static struct wwan_device *wwan_create(struct device *dev)
> +{
> + struct wwan_device *wwan = kzalloc(sizeof(*wwan), GFP_KERNEL);
> + u32 id = ++wwan_id_counter;
> + int err;
> +
> + lockdep_assert_held(&wwan_mtx);
> +
> + if (WARN_ON(!id))
> + return ERR_PTR(-ENOSPC);
This potentially leaks 'wwan'.
