nl80211: send the NL80211_ATTR_SSID in nl80211_send_iface()

The userspace may want to know what is the current ssid that a given
interface is using. This patch enables nl80211 to send the
NL80211_ATTR_SSID attribute in nl80211_send_iface().

Signed-off-by: Antonio Quartulli <ordex@autistici.org>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>

diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index e521ca0..c18b2fc 100644 (file)
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -1787,6 +1787,11 @@ static int nl80211_send_iface(struct sk_buff *msg, u32 portid, u32 seq, int flag
                        goto nla_put_failure;
        }
 
+       if (wdev->ssid_len) {
+               if (nla_put(msg, NL80211_ATTR_SSID, wdev->ssid_len, wdev->ssid))
+                       goto nla_put_failure;
+       }
+
        return genlmsg_end(msg, hdr);
 
  nla_put_failure: