Merge branch 'devel' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-2.6-trace into tracing/urgent

1 files changed, 14 insertions, 1 deletions

diff --git a/drivers/net/wireless/iwlwifi/iwl3945-base.c b/drivers/net/wireless/iwlwifi/iwl3945-base.c
index d15a2c99795..285b53e7e26 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);