linux-kernel - Re: [PATCH] nl80211: does not allow NEW_STATION and DEL

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Message-ID: <1265978993.15701.0.camel@jlt3.sipsolutions.net>
Date:	Fri, 12 Feb 2010 13:49:53 +0100
From:	Johannes Berg <johannes@...solutions.net>
To:	Thadeu Lima de Souza Cascardo <cascardo@...oscopio.com>
Cc:	linux-wireless@...r.kernel.org, linux-kernel@...r.kernel.org,
	Simon Raffeiner <sturmflut@...berbiber.de>,
	Andrey Yurovsky <andrey@...ybit.com>,
	Javier Cardona <javier@...ybit.com>
Subject: Re: [PATCH] nl80211: does not allow NEW_STATION and DEL_STATION
 for mesh

On Fri, 2010-02-12 at 10:37 -0200, Thadeu Lima de Souza Cascardo wrote:
> As discussed in linux-wireless mailint list, adding and removing
> stations for mesh topologies is not necessary. Since doing it triggers
> bugs, the sugestion was to simply disable it.
> 
> Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@...oscopio.com>
> Cc: Johannes Berg <johannes@...solutions.net>
> Cc: Simon Raffeiner <sturmflut@...berbiber.de>
> Cc: Andrey Yurovsky <andrey@...ybit.com>
> Cc: Javier Cardona <javier@...ybit.com>
> ---
>  net/wireless/nl80211.c |   47
> +++++++++++------------------------------------
>  1 files changed, 11 insertions(+), 36 deletions(-)
> 
> diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
> index 5b79ecf..176b8fe 100644
> --- a/net/wireless/nl80211.c
> +++ b/net/wireless/nl80211.c
> @@ -2001,6 +2001,10 @@ static int nl80211_new_station(struct sk_buff
> *skb, struct genl_info *info)
>  
>  	memset(&params, 0, sizeof(params));
>  
> +	if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
> +	    dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN)
> +		return -EINVAL;
> +
>  	if (!info->attrs[NL80211_ATTR_MAC])
>  		return -EINVAL;

You clearly didn't ever try this code.

johannes

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