mwifiex: update cfg80211 with correct reason code when association fails

This patch adds support to send correct reason code got from
firmware when association attempt fails. Also, the error message
displayed for association failure due to network incompatibility
is modified. Current message "cannot find ssid.." misleads user.

Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/net/wireless/mwifiex/cfg80211.c

@@ -1596,8 +1596,9 @@ done:
 		}
 	}
 
-	if (mwifiex_bss_start(priv, bss, &req_ssid))
-		return -EFAULT;
+	ret = mwifiex_bss_start(priv, bss, &req_ssid);
+	if (ret)
+		return ret;
 
 	if (mode == NL80211_IFTYPE_ADHOC) {
 		/* Inform the BSS information to kernel, otherwise
@@ -1652,9 +1653,19 @@ done:
 			"info: association to bssid %pM failed\n",
 			priv->cfg_bssid);
 		memset(priv->cfg_bssid, 0, ETH_ALEN);
+
+		if (ret > 0)
+			cfg80211_connect_result(priv->netdev, priv->cfg_bssid,
+						NULL, 0, NULL, 0, ret,
+						GFP_KERNEL);
+		else
+			cfg80211_connect_result(priv->netdev, priv->cfg_bssid,
+						NULL, 0, NULL, 0,
+						WLAN_STATUS_UNSPECIFIED_FAILURE,
+						GFP_KERNEL);
 	}
 
-	return ret;
+	return 0;
 }
 
 /*

drivers/net/wireless/mwifiex/scan.c

@@ -1434,8 +1434,8 @@ int mwifiex_check_network_compatibility(struct mwifiex_private *priv,
 			ret = mwifiex_is_network_compatible(priv, bss_desc,
 							    priv->bss_mode);
 			if (ret)
-				dev_err(priv->adapter->dev, "cannot find ssid "
-					"%s\n", bss_desc->ssid.ssid);
+				dev_err(priv->adapter->dev,
+					"Incompatible network settings\n");
 			break;
 		default:
 			ret = 0;