cfg80211: store the ssid into wirless_dev in AP mode

Store the configured ssid in wdev->ssid when starting an AP
Signed-off-by: Antonio Quartulli <ordex@autistici.org>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>

net/wireless/ap.c

@@ -28,6 +28,7 @@ static int __cfg80211_stop_ap(struct cfg80211_registered_device *rdev,
 	if (!err) {
 		wdev->beacon_interval = 0;
 		wdev->channel = NULL;
+		wdev->ssid_len = 0;
 	}
 
 	return err;

net/wireless/nl80211.c

@@ -2649,6 +2649,8 @@ static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info)
 		wdev->preset_chantype = params.channel_type;
 		wdev->beacon_interval = params.beacon_interval;
 		wdev->channel = params.channel;
+		wdev->ssid_len = params.ssid_len;
+		memcpy(wdev->ssid, params.ssid, wdev->ssid_len);
 	}
 	return err;
 }