Re: [PATCH] cfg80211: free the object allocated in wiphy_apply_custom_regulatory

From: Dongliang Mu
Date: Fri Jul 23 2021 - 05:44:38 EST


On Fri, Jul 23, 2021 at 5:36 PM xiaoqiang zhao
<zhaoxiaoqiang007@xxxxxxxxx> wrote:
>
>
>
> 在 2021/7/23 17:25, Dongliang Mu 写道:
> > Can you point out the concrete code releasing regd? Maybe the link to elixir.
> >
> >>> ieee80211_unregister_hw(data->hw);
> >>> device_release_driver(data->dev);
> >>> device_unregister(data->dev);
> >>>
>
> call graph seems like this:
>
> ieee80211_unregister_hw
> (https://elixir.bootlin.com/linux/v5.14-rc2/source/net/mac80211/main.c#L1368)
> wiphy_unregister
> (https://elixir.bootlin.com/linux/v5.14-rc2/source/net/wireless/core.c#L1011)
> wiphy_regulatory_deregister
> (https://elixir.bootlin.com/linux/v5.14-rc2/source/net/wireless/reg.c#L4057)
> rcu_free_regdom

Thanks very much. This is really helpful.

>