nl80211: Add sta_flags to the station info

Reuse the already existing struct nl80211_sta_flag_update to specify
both, a flag mask and the flag set itself. This means
nl80211_sta_flag_update is now used for setting station flags and also
for getting station flags.

Signed-off-by: Helmut Schaa <helmut.schaa@googlemail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index edf655a..48260c2 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -2344,6 +2344,10 @@
 
 		nla_nest_end(msg, bss_param);
 	}
+	if (sinfo->filled & STATION_INFO_STA_FLAGS)
+		NLA_PUT(msg, NL80211_STA_INFO_STA_FLAGS,
+			sizeof(struct nl80211_sta_flag_update),
+			&sinfo->sta_flags);
 	nla_nest_end(msg, sinfoattr);
 
 	if (sinfo->filled & STATION_INFO_ASSOC_REQ_IES)