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Re: [PATCH] mac80211: fix dtim_period in hidden SSID AP association

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On Tue, 2012-12-11 at 20:18 +0100, Johannes Berg wrote:
> From: Emmanuel Grumbach <emmanuel.grumbach@xxxxxxxxx>
> 
> When AP's SSID is hidden the BSS can appear several times in
> cfg80211's BSS list: once with a zero-length SSID that comes
> from the beacon, and once for each SSID from probe reponses.
> 
> Since the mac80211 stores its data in ieee80211_bss which
> is embedded into cfg80211_bss, mac80211's data will be
> duplicated too.
> 
> This becomes a problem when a driver needs the dtim_period
> since this data exists only in the beacon's instance in
> cfg80211 bss table which isn't the instance that is used
> when associating.
> 
> Remove the DTIM period from the BSS table and track it
> explicitly to avoid this problem.

Applied.

johannes

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