---

yaml
---
r: 202879
b: refs/heads/master
c: f84b29e
h: refs/heads/master
i:
  202877: bff692a
  202875: 93bcebf
  202871: 49803c5
  202863: fe3306e
  202847: 7ad27d0
  202815: 8f036d8
  202751: 09c99c4
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 0e1654fa2b91324ab91019c7dfabf3518aca54dd
+refs/heads/master: f84b29ec0a1ab767679d3f2428877b65f94bc3ff

trunk/drivers/net/wireless/iwlwifi/iwl-core.c

@@ -1960,6 +1960,11 @@ void iwl_mac_remove_interface(struct ieee80211_hw *hw,
 	}
 	if (priv->vif == vif) {
 		priv->vif = NULL;
+		if (priv->scan_vif == vif) {
+			ieee80211_scan_completed(priv->hw, true);
+			priv->scan_vif = NULL;
+			priv->scan_request = NULL;
+		}
 		memset(priv->bssid, 0, ETH_ALEN);
 	}
 	mutex_unlock(&priv->mutex);

trunk/drivers/net/wireless/iwlwifi/iwl-dev.h

@@ -1130,6 +1130,7 @@ struct iwl_priv {
 	void *scan_cmd;
 	enum ieee80211_band scan_band;
 	struct cfg80211_scan_request *scan_request;
+	struct ieee80211_vif *scan_vif;
 	bool is_internal_short_scan;
 	u8 scan_tx_ant[IEEE80211_NUM_BANDS];
 	u8 mgmt_tx_ant;

trunk/drivers/net/wireless/iwlwifi/iwl-scan.c

@@ -333,7 +333,8 @@ int iwl_mac_hw_scan(struct ieee80211_hw *hw,
 		goto out_unlock;
 	}
 
-	if (test_bit(STATUS_SCANNING, &priv->status)) {
+	if (test_bit(STATUS_SCANNING, &priv->status) &&
+	    !priv->is_internal_short_scan) {
 		IWL_DEBUG_SCAN(priv, "Scan already in progress.\n");
 		ret = -EAGAIN;
 		goto out_unlock;
@@ -348,8 +349,16 @@ int iwl_mac_hw_scan(struct ieee80211_hw *hw,
 	/* mac80211 will only ask for one band at a time */
 	priv->scan_band = req->channels[0]->band;
 	priv->scan_request = req;
+	priv->scan_vif = vif;
 
-	ret = iwl_scan_initiate(priv, vif);
+	/*
+	 * If an internal scan is in progress, just set
+	 * up the scan_request as per above.
+	 */
+	if (priv->is_internal_short_scan)
+		ret = 0;
+	else
+		ret = iwl_scan_initiate(priv, vif);
 
 	IWL_DEBUG_MAC80211(priv, "leave\n");
 
@@ -513,7 +522,21 @@ void iwl_bg_scan_completed(struct work_struct *work)
 		priv->is_internal_short_scan = false;
 		IWL_DEBUG_SCAN(priv, "internal short scan completed\n");
 		internal = true;
+	} else {
+		priv->scan_request = NULL;
+		priv->scan_vif = NULL;
 	}
+
+	if (test_bit(STATUS_EXIT_PENDING, &priv->status))
+		goto out;
+
+	if (internal && priv->scan_request)
+		iwl_scan_initiate(priv, priv->scan_vif);
+
+	/* Since setting the TXPOWER may have been deferred while
+	 * performing the scan, fire one off */
+	iwl_set_tx_power(priv, priv->tx_power_user_lmt, true);
+ out:
 	mutex_unlock(&priv->mutex);
 
 	/*
@@ -523,15 +546,6 @@ void iwl_bg_scan_completed(struct work_struct *work)
 	 */
 	if (!internal)
 		ieee80211_scan_completed(priv->hw, false);
-
-	if (test_bit(STATUS_EXIT_PENDING, &priv->status))
-		return;
-
-	/* Since setting the TXPOWER may have been deferred while
-	 * performing the scan, fire one off */
-	mutex_lock(&priv->mutex);
-	iwl_set_tx_power(priv, priv->tx_power_user_lmt, true);
-	mutex_unlock(&priv->mutex);
 }
 EXPORT_SYMBOL(iwl_bg_scan_completed);