1 files changed, 20 insertions, 1 deletions

diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 72c8bea81a6c..b1b1bb368f70 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -1487,6 +1487,7 @@ static bool ieee80211_assoc_success(struct ieee80211_work *wk,
         int i, j, err;
         bool have_higher_than_11mbit = false;
         u16 ap_ht_cap_flags;
+        int min_rate = INT_MAX, min_rate_index = -1;
 
         /* AssocResp and ReassocResp have identical structure */
 
@@ -1553,6 +1554,10 @@ static bool ieee80211_assoc_success(struct ieee80211_work *wk,
                                 rates |= BIT(j);
                                 if (is_basic)
                                         basic_rates |= BIT(j);
+                                if (rate < min_rate) {
+                                        min_rate = rate;
+                                        min_rate_index = j;
+                                }
                                 break;
                         }
                 }
@@ -1570,11 +1575,25 @@ static bool ieee80211_assoc_success(struct ieee80211_work *wk,
                                 rates |= BIT(j);
                                 if (is_basic)
                                         basic_rates |= BIT(j);
+                                if (rate < min_rate) {
+                                        min_rate = rate;
+                                        min_rate_index = j;
+                                }
                                 break;
                         }
                 }
         }
 
+        /*
+         * some buggy APs don't advertise basic_rates. use the lowest
+         * supported rate instead.
+         */
+        if (unlikely(!basic_rates) && min_rate_index >= 0) {
+                printk(KERN_DEBUG "%s: No basic rates in AssocResp. "
+                       "Using min supported rate instead.\n", sdata->name);
+                basic_rates = BIT(min_rate_index);
+        }
+
         sta->sta.supp_rates[wk->chan->band] = rates;
         sdata->vif.bss_conf.basic_rates = basic_rates;
 
@@ -2269,6 +2288,7 @@ void ieee80211_sta_quiesce(struct ieee80211_sub_if_data *sdata)
 
         cancel_work_sync(&ifmgd->request_smps_work);
 
+        cancel_work_sync(&ifmgd->monitor_work);
         cancel_work_sync(&ifmgd->beacon_connection_loss_work);
         if (del_timer_sync(&ifmgd->timer))
                 set_bit(TMR_RUNNING_TIMER, &ifmgd->timers_running);
@@ -2277,7 +2297,6 @@ void ieee80211_sta_quiesce(struct ieee80211_sub_if_data *sdata)
         if (del_timer_sync(&ifmgd->chswitch_timer))
                 set_bit(TMR_RUNNING_CHANSW, &ifmgd->timers_running);
 
-        cancel_work_sync(&ifmgd->monitor_work);
         /* these will just be re-established on connection */
         del_timer_sync(&ifmgd->conn_mon_timer);
         del_timer_sync(&ifmgd->bcn_mon_timer);