3 files changed, 26 insertions, 2 deletions

diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c
index 321dbc8c034a..8d690a0eb1a9 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.c
@@ -3252,7 +3252,11 @@ static void iwl4965_mac_update_tkip_key(struct ieee80211_hw *hw,
                 return;
         }
 
-        iwl_scan_cancel_timeout(priv, 100);
+        if (iwl_scan_cancel(priv)) {
+                /* cancel scan failed, just live w/ bad key and rely
+                   briefly on SW decryption */
+                return;
+        }
 
         key_flags |= (STA_KEY_FLG_TKIP | STA_KEY_FLG_MAP_KEY_MSK);
         key_flags |= cpu_to_le16(keyconf->keyidx << STA_KEY_FLG_KEYID_POS);
diff --git a/drivers/net/wireless/iwlwifi/iwl-scan.c b/drivers/net/wireless/iwlwifi/iwl-scan.c
index 3b0bee331a33..c89365e2ca58 100644
--- a/drivers/net/wireless/iwlwifi/iwl-scan.c
+++ b/drivers/net/wireless/iwlwifi/iwl-scan.c
@@ -896,6 +896,13 @@ static void iwl_bg_request_scan(struct work_struct *data)
         return;
 
  done:
+        /* Cannot perform scan. Make sure we clear scanning
+        * bits from status so next scan request can be performed.
+        * If we don't clear scanning status bit here all next scan
+        * will fail
+        */
+        clear_bit(STATUS_SCAN_HW, &priv->status);
+        clear_bit(STATUS_SCANNING, &priv->status);
         /* inform mac80211 scan aborted */
         queue_work(priv->workqueue, &priv->scan_completed);
         mutex_unlock(&priv->mutex);
diff --git a/drivers/net/wireless/iwlwifi/iwl3945-base.c b/drivers/net/wireless/iwlwifi/iwl3945-base.c
index d15a2c997954..285b53e7e261 100644
--- a/drivers/net/wireless/iwlwifi/iwl3945-base.c
+++ b/drivers/net/wireless/iwlwifi/iwl3945-base.c
@@ -5768,7 +5768,6 @@ static void iwl3945_alive_start(struct iwl3945_priv *priv)
         if (priv->error_recovering)
                 iwl3945_error_recovery(priv);
 
-        ieee80211_notify_mac(priv->hw, IEEE80211_NOTIFY_RE_ASSOC);
         return;
 
  restart:
@@ -6013,6 +6012,7 @@ static void iwl3945_bg_alive_start(struct work_struct *data)
         mutex_lock(&priv->mutex);
         iwl3945_alive_start(priv);
         mutex_unlock(&priv->mutex);
+        ieee80211_notify_mac(priv->hw, IEEE80211_NOTIFY_RE_ASSOC);
 }
 
 static void iwl3945_bg_rf_kill(struct work_struct *work)
@@ -6256,6 +6256,11 @@ static void iwl3945_bg_request_scan(struct work_struct *data)
                                               n_probes,
                         (void *)&scan->data[le16_to_cpu(scan->tx_cmd.len)]);
 
+        if (scan->channel_count == 0) {
+                IWL_DEBUG_SCAN("channel count %d\n", scan->channel_count);
+                goto done;
+        }
+
         cmd.len += le16_to_cpu(scan->tx_cmd.len) +
             scan->channel_count * sizeof(struct iwl3945_scan_channel);
         cmd.data = scan;
@@ -6273,6 +6278,14 @@ static void iwl3945_bg_request_scan(struct work_struct *data)
         return;
 
  done:
+        /* can not perform scan make sure we clear scanning
+         * bits from status so next scan request can be performed.
+         * if we dont clear scanning status bit here all next scan
+         * will fail
+        */
+        clear_bit(STATUS_SCAN_HW, &priv->status);
+        clear_bit(STATUS_SCANNING, &priv->status);
+
         /* inform mac80211 scan aborted */
         queue_work(priv->workqueue, &priv->scan_completed);
         mutex_unlock(&priv->mutex);