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Re: [PATCH 2/2] mac80211: store the channel in wdev upon ibss_join

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On Thu, Oct 17, 2013 at 04:51:28PM +0200, Johannes Berg wrote:
> On Thu, 2013-10-17 at 16:48 +0200, Antonio Quartulli wrote:
> > On Thu, Oct 17, 2013 at 04:36:28PM +0200, Johannes Berg wrote:
> > > On Tue, 2013-10-15 at 00:38 +0200, Antonio Quartulli wrote:
> > > > From: Antonio Quartulli <antonio@xxxxxxxxxxxxx>
> > > > 
> > > > To allow cfg80211 to use the real channel to pick up the
> > > > proper (i)bss object, store the used channel in
> > > > wdev->channel during ibss_join
> > > 
> > > WTF? No, mac80211 can't just randomly modify cfg80211-owned data.
> > 
> > Mh, ok. :)
> > 
> > What about setting wdev->channel in __cfg80211_join_ibss() right after having
> > set wdev->ssid ?
> > This way we leave mac80211 out and we totally handle this thing in cfg80211
> > only.
> 
> Locking might be problematic though. I also don't know where else the
> channel might be used?


I don't think it is used elsewhere in IBSS mode


-- 
Antonio Quartulli

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