tibaldi@debian910:~/Desktop/linux-4.13-rc3/net/mac80211$ file mlme.c
mlme.c: C source, ASCII text
tibaldi@debian910:~/Desktop/linux-4.13-rc3/net/mac80211$

    my proposed patch for the 4.13-rc3 kernel is the following - Amos 
Tibaldi www.amostibaldi.it

static int ieee80211_auth(struct ieee80211_sub_if_data *sdata)
{
     struct ieee80211_local *local = sdata->local;
     struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
     struct ieee80211_mgd_auth_data *auth_data = ifmgd->auth_data;
     u32 tx_flags = 0;
     u16 trans = 1;
     u16 status = 0;

     sdata_assert_lock(sdata);

     if (WARN_ON_ONCE(!auth_data))
             return -EINVAL;

     auth_data->tries++;

     if(auth_data->tries > IEEE80211_AUTH_MAX_TRIES) {
         sdata_info(sdata, "authentication with %pM timed out\n",
                    auth_data->bss->bssid);
                    /*
                     * Most likely AP is not in the range so remove the
                     * bss struct for that AP.
                     */
                    cfg80211_unlink_bss(local->hw.wiphy, auth_data->bss);

                    return -ETIMEDOUT;
     }

     drv_mgd_prepare_tx(local, sdata);

     sdata_info(sdata, "send auth to %pM (try %d/%d)\n",
                auth_data->bss->bssid, auth_data->tries,
                IEEE80211_AUTH_MAX_TRIES);

     auth_data->expected_transaction = 2;

     if (auth_data->algorithm == WLAN_AUTH_SAE) {
         trans = auth_data->sae_trans;
         status = auth_data->sae_status;
         auth_data->expected_transaction = trans;
     }

     if (ieee80211_hw_check(&local->hw, REPORTS_TX_ACK_STATUS))
             tx_flags = IEEE80211_TX_CTL_REQ_TX_STATUS | 
(IEEE80211_TX_INTFL_MLME_CONN_TX &&
(!(IEEE80211_TX_CTL_REQ_TX_STATUS)));

     ieee80211_send_auth(sdata, trans, auth_data->algorithm, status,
                         auth_data->data, auth_data->data_len,
                         auth_data->bss->bssid,
                         auth_data->bss->bssid, NULL, 0, 0,
                         tx_flags);

     if (tx_flags == 0) {
             auth_data->timeout = jiffies + IEEE80211_AUTH_TIMEOUT;
             auth_data->timeout_started = true;
             run_again(sdata, auth_data->timeout);
     } else {
             auth_data->timeout =
                     round_jiffies_up(jiffies + 
IEEE80211_AUTH_TIMEOUT_LONG);
             auth_data->timeout_started = true;
             run_again(sdata, auth_data->timeout);
     }

     return 0;
}

static int ieee80211_do_assoc(struct ieee80211_sub_if_data *sdata)
{