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Re: [PATCH v12 4/4] mac80211: MBSSID channel switch

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On Wed, 2021-09-15 at 19:54 -0700, Aloka Dixit wrote:
> 
> diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
> index 23fa0bb49be2..88fbed46e1bc 100644
> --- a/net/mac80211/cfg.c
> +++ b/net/mac80211/cfg.c
> @@ -3271,8 +3271,19 @@ void ieee80211_csa_finish(struct ieee80211_vif *vif)
>  {
>  	struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
>  
> 
> 
> 
> -	ieee80211_queue_work(&sdata->local->hw,
> -			     &sdata->csa_finalize_work);
> +	if (vif->mbssid_tx_vif == vif) {
> +		struct ieee80211_sub_if_data *child, *tmp;
> +
> +		list_for_each_entry_safe(child, tmp,
> +					 &sdata->local->interfaces, list)

I don't see any reason to believe that this list iteration should be
safe?

johannes





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