On Fri, 25 Aug 2006 16:32:08 +0800, Hong Liu wrote:
> After key negotiation completed using wpa_supplicant, wpa_supplicant
> can't reassoc with the AP if we reboot the AP. It always fails at the
> 4-way handshake.
> The problem is the key info is not cleared correctly. Thus when
> wpa_supplicant send the EAPOL-KEY packet, the d80211 stack finds the old
> key and uses it to encrypt the packet.
>
> The patch removes the sta_info when we disassociate with AP.
Please:
- add proper Signed-off-by line
- do not send patches as an attachment
- Cc: John Linville <[EMAIL PROTECTED]> as well as me on d80211
patches
> diff --git a/net/d80211/ieee80211_sta.c b/net/d80211/ieee80211_sta.c
> index 8caf352..2144b34 100644
> --- a/net/d80211/ieee80211_sta.c
> +++ b/net/d80211/ieee80211_sta.c
> @@ -739,6 +739,14 @@ static void ieee80211_associated(struct
> wireless_send_event(dev, SIOCGIWAP, &wrqu, NULL);
> mod_timer(&ifsta->timer,
> jiffies + IEEE80211_MONITORING_INTERVAL + 30 * HZ);
> +
> + sta = sta_info_get(local, ifsta->bssid);
> + if (sta) {
> + sta_info_free(sta, 0);
> + sta_info_put(sta);
> + }
> +
> + ifsta->probereq_poll = 0;
Wouldn't it be better to move this into the 'else' branch of previous
'if' statement (i.e. just before sta_info_put call in the
ieee80211_associated function)?
Thanks,
Jiri
--
Jiri Benc
SUSE Labs
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