Hi,
> When I connect to an AP with wpa, then I receive deauth frame,
> ieee80211_rx_mgmt_deauth will be called, which will call
> ieee80211_set_associated(dev, ifsta, 0); to disconnect. In function
> ieee80211_set_associated, it calls wireless_send_event with SIOCGIWAP
> event and memset(wrqu.ap_addr.sa_data, 0, ETH_ALEN). wpa_supplicant will
> receives this event then call mac80211 to remove any old security key,
> the problem it will pass 00:00:00:00:00:00 as station address.
> ieee80211_set_encryption will fail since there are no station with
> 00:00:00:00:00:00. This will leave the old key which causes the problems
> in the next reconnection.
Interesting. I'd think this is a wpa_supplicant bug, Jouni, how is the
security wext stuff supposed to work here?
> diff --git a/net/mac80211/ieee80211_ioctl.c b/net/mac80211/ieee80211_ioctl.c
> index c84a26e..e08df5e 100644
> --- a/net/mac80211/ieee80211_ioctl.c
> +++ b/net/mac80211/ieee80211_ioctl.c
> @@ -97,7 +97,10 @@ static int ieee80211_set_encryption(struct net_device *dev, u8 *sta_addr,
> return -EINVAL;
> }
>
> - sta = sta_info_get(local, sta_addr);
> + if (is_zero_ether_addr(sta_addr))
> + sta = sta_info_get(local, sdata->u.sta.bssid);
> + else
> + sta = sta_info_get(local, sta_addr);
> if (!sta) {
> #ifdef CONFIG_MAC80211_VERBOSE_DEBUG
> printk(KERN_DEBUG "%s: set_encrypt - unknown addr "
>
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