1 files changed, 16 insertions, 7 deletions

diff --git a/drivers/net/wireless/mwifiex/cfg80211.c b/drivers/net/wireless/mwifiex/cfg80211.c
index 38a5871..fdb1eb8 100644
--- a/drivers/net/wireless/mwifiex/cfg80211.c
+++ b/drivers/net/wireless/mwifiex/cfg80211.c
@@ -471,13 +471,13 @@ static int mwifiex_send_domain_info_cmd_fw(struct wiphy *wiphy)
 			flag = 1;
 			first_chan = (u32) ch->hw_value;
 			next_chan = first_chan;
-			max_pwr = ch->max_reg_power;
+			max_pwr = ch->max_power;
 			no_of_parsed_chan = 1;
 			continue;
 		}
 
 		if (ch->hw_value == next_chan + 1 &&
-		    ch->max_reg_power == max_pwr) {
+		    ch->max_power == max_pwr) {
 			next_chan++;
 			no_of_parsed_chan++;
 		} else {
@@ -488,7 +488,7 @@ static int mwifiex_send_domain_info_cmd_fw(struct wiphy *wiphy)
 			no_of_triplet++;
 			first_chan = (u32) ch->hw_value;
 			next_chan = first_chan;
-			max_pwr = ch->max_reg_power;
+			max_pwr = ch->max_power;
 			no_of_parsed_chan = 1;
 		}
 	}
@@ -1819,13 +1819,17 @@ mwifiex_cfg80211_scan(struct wiphy *wiphy,
 
 	wiphy_dbg(wiphy, "info: received scan request on %s\n", dev->name);
 
-	if (atomic_read(&priv->wmm.tx_pkts_queued) >=
+	if ((request->flags & NL80211_SCAN_FLAG_LOW_PRIORITY) &&
+	    atomic_read(&priv->wmm.tx_pkts_queued) >=
 	    MWIFIEX_MIN_TX_PENDING_TO_CANCEL_SCAN) {
 		dev_dbg(priv->adapter->dev, "scan rejected due to traffic\n");
 		return -EBUSY;
 	}
 
-	priv->scan_request = request;
+	if (priv->user_scan_cfg) {
+		dev_err(priv->adapter->dev, "cmd: Scan already in process..\n");
+		return -EBUSY;
+	}
 
 	priv->user_scan_cfg = kzalloc(sizeof(struct mwifiex_user_scan_cfg),
 				      GFP_KERNEL);
@@ -1834,6 +1838,8 @@ mwifiex_cfg80211_scan(struct wiphy *wiphy,
 		return -ENOMEM;
 	}
 
+	priv->scan_request = request;
+
 	priv->user_scan_cfg->num_ssids = request->n_ssids;
 	priv->user_scan_cfg->ssid_list = request->ssids;
 
@@ -1870,6 +1876,9 @@ mwifiex_cfg80211_scan(struct wiphy *wiphy,
 	ret = mwifiex_scan_networks(priv, priv->user_scan_cfg);
 	if (ret) {
 		dev_err(priv->adapter->dev, "scan failed: %d\n", ret);
+		priv->scan_request = NULL;
+		kfree(priv->user_scan_cfg);
+		priv->user_scan_cfg = NULL;
 		return ret;
 	}
 
@@ -2113,7 +2122,6 @@ struct wireless_dev *mwifiex_add_virtual_intf(struct wiphy *wiphy,
 	}
 
 	sema_init(&priv->async_sem, 1);
-	priv->scan_pending_on_block = false;
 
 	dev_dbg(adapter->dev, "info: %s: Marvell 802.11 Adapter\n", dev->name);
 
@@ -2251,7 +2259,8 @@ int mwifiex_register_cfg80211(struct mwifiex_adapter *adapter)
 	wiphy->available_antennas_rx = BIT(adapter->number_of_antenna) - 1;
 
 	wiphy->features |= NL80211_FEATURE_HT_IBSS |
-			   NL80211_FEATURE_INACTIVITY_TIMER;
+			   NL80211_FEATURE_INACTIVITY_TIMER |
+			   NL80211_FEATURE_LOW_PRIORITY_SCAN;
 
 	/* Reserve space for mwifiex specific private data for BSS */
 	wiphy->bss_priv_size = sizeof(struct mwifiex_bss_priv);