1 files changed, 13 insertions, 22 deletions

diff --git a/net/mac80211/scan.c b/net/mac80211/scan.c
index 244f53f3c8b..039901109fa 100644
--- a/net/mac80211/scan.c
+++ b/net/mac80211/scan.c
@@ -277,9 +277,10 @@ void ieee80211_scan_completed(struct ieee80211_hw *hw, bool aborted)
 	if (test_bit(SCAN_HW_SCANNING, &local->scanning))
 		ieee80211_restore_scan_ies(local);
 
-	if (local->scan_req != &local->int_scan_req)
+	if (local->scan_req != local->int_scan_req)
 		cfg80211_scan_done(local->scan_req, aborted);
 	local->scan_req = NULL;
+	local->scan_sdata = NULL;
 
 	was_hw_scan = test_bit(SCAN_HW_SCANNING, &local->scanning);
 	local->scanning = 0;
@@ -292,13 +293,7 @@ void ieee80211_scan_completed(struct ieee80211_hw *hw, bool aborted)
 	if (was_hw_scan)
 		goto done;
 
-	spin_lock_bh(&local->filter_lock);
-	local->filter_flags &= ~FIF_BCN_PRBRESP_PROMISC;
-	drv_configure_filter(local, FIF_BCN_PRBRESP_PROMISC,
-			     &local->filter_flags,
-			     local->mc_count,
-			     local->mc_list);
-	spin_unlock_bh(&local->filter_lock);
+	ieee80211_configure_filter(local);
 
 	drv_sw_scan_complete(local);
 
@@ -376,13 +371,7 @@ static int ieee80211_start_sw_scan(struct ieee80211_local *local)
 	local->next_scan_state = SCAN_DECISION;
 	local->scan_channel_idx = 0;
 
-	spin_lock_bh(&local->filter_lock);
-	local->filter_flags |= FIF_BCN_PRBRESP_PROMISC;
-	drv_configure_filter(local, FIF_BCN_PRBRESP_PROMISC,
-			     &local->filter_flags,
-			     local->mc_count,
-			     local->mc_list);
-	spin_unlock_bh(&local->filter_lock);
+	ieee80211_configure_filter(local);
 
 	/* TODO: start scan as soon as all nullfunc frames are ACKed */
 	ieee80211_queue_delayed_work(&local->hw,
@@ -423,7 +412,7 @@ static int __ieee80211_start_scan(struct ieee80211_sub_if_data *sdata,
 	local->scan_req = req;
 	local->scan_sdata = sdata;
 
-	if (req != &local->int_scan_req &&
+	if (req != local->int_scan_req &&
 	    sdata->vif.type == NL80211_IFTYPE_STATION &&
 	    !list_empty(&ifmgd->work_list)) {
 		/* actually wait for the work it's doing to finish/time out */
@@ -672,6 +661,7 @@ void ieee80211_scan_work(struct work_struct *work)
 		int rc;
 
 		local->scan_req = NULL;
+		local->scan_sdata = NULL;
 
 		rc = __ieee80211_start_scan(sdata, req);
 		mutex_unlock(&local->scan_mtx);
@@ -743,10 +733,10 @@ int ieee80211_request_internal_scan(struct ieee80211_sub_if_data *sdata,
 	if (local->scan_req)
 		goto unlock;
 
-	memcpy(local->int_scan_req.ssids[0].ssid, ssid, IEEE80211_MAX_SSID_LEN);
-	local->int_scan_req.ssids[0].ssid_len = ssid_len;
+	memcpy(local->int_scan_req->ssids[0].ssid, ssid, IEEE80211_MAX_SSID_LEN);
+	local->int_scan_req->ssids[0].ssid_len = ssid_len;
 
-	ret = __ieee80211_start_scan(sdata, &sdata->local->int_scan_req);
+	ret = __ieee80211_start_scan(sdata, sdata->local->int_scan_req);
  unlock:
 	mutex_unlock(&local->scan_mtx);
 	return ret;
@@ -754,7 +744,7 @@ int ieee80211_request_internal_scan(struct ieee80211_sub_if_data *sdata,
 
 void ieee80211_scan_cancel(struct ieee80211_local *local)
 {
-	bool swscan;
+	bool abortscan;
 
 	cancel_delayed_work_sync(&local->scan_work);
 
@@ -763,9 +753,10 @@ void ieee80211_scan_cancel(struct ieee80211_local *local)
 	 * queued -- mostly at suspend under RTNL.
 	 */
 	mutex_lock(&local->scan_mtx);
-	swscan = test_bit(SCAN_SW_SCANNING, &local->scanning);
+	abortscan = test_bit(SCAN_SW_SCANNING, &local->scanning) ||
+		    (!local->scanning && local->scan_req);
 	mutex_unlock(&local->scan_mtx);
 
-	if (swscan)
+	if (abortscan)
 		ieee80211_scan_completed(&local->hw, true);
 }