iwlwifi: don't fail if scan is issued too early

[mv-sheeva.git] / drivers / net / wireless / iwlwifi / iwl-scan.c

diff --git a/drivers/net/wireless/iwlwifi/iwl-scan.c b/drivers/net/wireless/iwlwifi/iwl-scan.c
index 5a00ac23e2d010c32440406bf1eadc045849e5c2..bf855c35b0c1258953c3bf653aab386d895551c7 100644 (file)
--- a/drivers/net/wireless/iwlwifi/iwl-scan.c
+++ b/drivers/net/wireless/iwlwifi/iwl-scan.c
@@ -88,7 +88,7 @@ static int iwl_is_empty_essid(const char *essid, int essid_len)
 
 
 
-const char *iwl_escape_essid(const char *essid, u8 essid_len)
+static const char *iwl_escape_essid(const char *essid, u8 essid_len)
 {
        static char escaped[IW_ESSID_MAX_SIZE * 2 + 1];
        const char *s = essid;
@@ -111,7 +111,6 @@ const char *iwl_escape_essid(const char *essid, u8 essid_len)
        *d = '\0';
        return escaped;
 }
-EXPORT_SYMBOL(iwl_escape_essid);
 
 /**
  * iwl_scan_cancel - Cancel any currently executing HW scan
@@ -202,6 +201,7 @@ static int iwl_send_scan_abort(struct iwl_priv *priv)
                clear_bit(STATUS_SCAN_HW, &priv->status);
        }
 
+       priv->alloc_rxb_skb--;
        dev_kfree_skb_any(cmd.meta.u.skb);
 
        return ret;
@@ -420,7 +420,7 @@ static int iwl_get_channels_for_scan(struct iwl_priv *priv,
                else
                        scan_ch->type = SCAN_CHANNEL_TYPE_ACTIVE;
 
-               if ((scan_ch->type & SCAN_CHANNEL_TYPE_ACTIVE) && n_probes)
+               if (n_probes)
                        scan_ch->type |= IWL_SCAN_PROBE_MASK(n_probes);
 
                scan_ch->active_dwell = cpu_to_le16(active_dwell);
@@ -463,11 +463,6 @@ void iwl_init_scan_params(struct iwl_priv *priv)
 
 int iwl_scan_initiate(struct iwl_priv *priv)
 {
-       if (priv->iw_mode == IEEE80211_IF_TYPE_AP) {
-               IWL_ERROR("APs don't scan.\n");
-               return 0;
-       }
-
        if (!iwl_is_ready_rf(priv)) {
                IWL_DEBUG_SCAN("Aborting scan due to not ready.\n");
                return -EIO;
@@ -479,8 +474,7 @@ int iwl_scan_initiate(struct iwl_priv *priv)
        }
 
        if (test_bit(STATUS_SCAN_ABORTING, &priv->status)) {
-               IWL_DEBUG_SCAN("Scan request while abort pending.  "
-                              "Queuing.\n");
+               IWL_DEBUG_SCAN("Scan request while abort pending\n");
                return -EAGAIN;
        }
 
@@ -868,7 +862,7 @@ static void iwl_bg_request_scan(struct work_struct *data)
 
        scan->tx_cmd.len = cpu_to_le16(cmd_len);
 
-       if (priv->iw_mode == IEEE80211_IF_TYPE_MNTR)
+       if (priv->iw_mode == NL80211_IFTYPE_MONITOR)
                scan->filter_flags = RXON_FILTER_PROMISC_MSK;
 
        scan->filter_flags |= (RXON_FILTER_ACCEPT_GRP_MSK |