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Re: [PATCH] wifi: cfg80211: fix WARN_ON during CAC cancelling

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> 
> diff --git a/net/wireless/mlme.c b/net/wireless/mlme.c
> index a5eb92d93074e6ce1e08fcc2790b80cf04ff08f8..2a932a036225a3e0587cf5c18a4e80e91552313b 100644
> --- a/net/wireless/mlme.c
> +++ b/net/wireless/mlme.c
> @@ -1112,10 +1112,6 @@ void cfg80211_cac_event(struct net_device *netdev,
>  	struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
>  	unsigned long timeout;
>  
> -	if (WARN_ON(wdev->valid_links &&
> -		    !(wdev->valid_links & BIT(link_id))))
> -		return;
> -
>  	trace_cfg80211_cac_event(netdev, event, link_id);
>  
>  	if (WARN_ON(!wdev->links[link_id].cac_started &&
> 

This really doesn't seem right.

Perhaps the order in teardown should be changed?

johannes





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