From: Antonio Quartulli Date: Sun, 25 Nov 2012 22:13:42 +0000 (+0100) Subject: mac80211: in ADHOC don't update last_rx if sta is not authorized X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=e584da5e3cc0b299d4b86072941cbe6dd9a046a8;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git mac80211: in ADHOC don't update last_rx if sta is not authorized It does not make sense to keep a station alive if it is not authorised at all. If IBSS/RSN is used it could also be the case that something went wrong during the keys exchange and the stations ended up in a not recoverable state. By not updating last_rx we are giving the station a chance to be deleted and to start the key exchange once again from scratch. Signed-off-by: Antonio Quartulli Signed-off-by: Johannes Berg --- diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c index ec879029ac43..b2ae2baefc9a 100644 --- a/net/mac80211/rx.c +++ b/net/mac80211/rx.c @@ -1341,13 +1341,17 @@ ieee80211_rx_h_sta_process(struct ieee80211_rx_data *rx) /* * Update last_rx only for IBSS packets which are for the current - * BSSID to avoid keeping the current IBSS network alive in cases - * where other STAs start using different BSSID. + * BSSID and for station already AUTHORIZED to avoid keeping the + * current IBSS network alive in cases where other STAs start + * using different BSSID. This will also give the station another + * chance to restart the authentication/authorization in case + * something went wrong the first time. */ if (rx->sdata->vif.type == NL80211_IFTYPE_ADHOC) { u8 *bssid = ieee80211_get_bssid(hdr, rx->skb->len, NL80211_IFTYPE_ADHOC); - if (ether_addr_equal(bssid, rx->sdata->u.ibss.bssid)) { + if (ether_addr_equal(bssid, rx->sdata->u.ibss.bssid) && + test_sta_flag(sta, WLAN_STA_AUTHORIZED)) { sta->last_rx = jiffies; if (ieee80211_is_data(hdr->frame_control)) { sta->last_rx_rate_idx = status->rate_idx;