Merge remote-tracking branch 'wireless-next/master' into mac80211-next

[karo-tx-linux.git] / net / wireless / nl80211.c

diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 801e57da88b466f9515b07dbd4961d1234dd71b8..2d0c19c6133b3586d2f512fcb487396a349bf091 100644 (file)
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -30,9 +30,9 @@ static int nl80211_crypto_settings(struct cfg80211_registered_device *rdev,
                                   struct cfg80211_crypto_settings *settings,
                                   int cipher_limit);
 
-static int nl80211_pre_doit(struct genl_ops *ops, struct sk_buff *skb,
+static int nl80211_pre_doit(const struct genl_ops *ops, struct sk_buff *skb,
                            struct genl_info *info);
-static void nl80211_post_doit(struct genl_ops *ops, struct sk_buff *skb,
+static void nl80211_post_doit(const struct genl_ops *ops, struct sk_buff *skb,
                              struct genl_info *info);
 
 /* the netlink family */
@@ -47,6 +47,25 @@ static struct genl_family nl80211_fam = {
        .post_doit = nl80211_post_doit,
 };
 
+/* multicast groups */
+enum nl80211_multicast_groups {
+       NL80211_MCGRP_CONFIG,
+       NL80211_MCGRP_SCAN,
+       NL80211_MCGRP_REGULATORY,
+       NL80211_MCGRP_MLME,
+       NL80211_MCGRP_TESTMODE /* keep last - ifdef! */
+};
+
+static const struct genl_multicast_group nl80211_mcgrps[] = {
+       [NL80211_MCGRP_CONFIG] = { .name = "config", },
+       [NL80211_MCGRP_SCAN] = { .name = "scan", },
+       [NL80211_MCGRP_REGULATORY] = { .name = "regulatory", },
+       [NL80211_MCGRP_MLME] = { .name = "mlme", },
+#ifdef CONFIG_NL80211_TESTMODE
+       [NL80211_MCGRP_TESTMODE] = { .name = "testmode", }
+#endif
+};
+
 /* returns ERR_PTR values */
 static struct wireless_dev *
 __cfg80211_wdev_from_attrs(struct net *netns, struct nlattr **attrs)
@@ -2687,7 +2706,7 @@ static int nl80211_get_key(struct sk_buff *skb, struct genl_info *info)
        hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
                             NL80211_CMD_NEW_KEY);
        if (!hdr)
-               return -ENOBUFS;
+               goto nla_put_failure;
 
        cookie.msg = msg;
        cookie.idx = key_idx;
@@ -5370,6 +5389,10 @@ static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info)
                                err = -EINVAL;
                                goto out_free;
                        }
+
+                       if (!wiphy->bands[band])
+                               continue;
+
                        err = ieee80211_get_ratemask(wiphy->bands[band],
                                                     nla_data(attr),
                                                     nla_len(attr),
@@ -6735,10 +6758,6 @@ __cfg80211_alloc_vendor_skb(struct cfg80211_registered_device *rdev,
 }
 
 #ifdef CONFIG_NL80211_TESTMODE
-static struct genl_multicast_group nl80211_testmode_mcgrp = {
-       .name = "testmode",
-};
-
 static int nl80211_testmode_do(struct sk_buff *skb, struct genl_info *info)
 {
        struct cfg80211_registered_device *rdev = info->user_ptr[0];
@@ -6884,8 +6903,8 @@ void cfg80211_testmode_event(struct sk_buff *skb, gfp_t gfp)
 
        nla_nest_end(skb, data);
        genlmsg_end(skb, hdr);
-       genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), skb, 0,
-                               nl80211_testmode_mcgrp.id, gfp);
+       genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), skb, 0,
+                               NL80211_MCGRP_TESTMODE, gfp);
 }
 EXPORT_SYMBOL(cfg80211_testmode_event);
 #endif
@@ -8973,7 +8992,7 @@ EXPORT_SYMBOL_GPL(cfg80211_vendor_cmd_reply);
 #define NL80211_FLAG_NEED_WDEV_UP      (NL80211_FLAG_NEED_WDEV |\
                                         NL80211_FLAG_CHECK_NETDEV_UP)
 
-static int nl80211_pre_doit(struct genl_ops *ops, struct sk_buff *skb,
+static int nl80211_pre_doit(const struct genl_ops *ops, struct sk_buff *skb,
                            struct genl_info *info)
 {
        struct cfg80211_registered_device *rdev;
@@ -9042,7 +9061,7 @@ static int nl80211_pre_doit(struct genl_ops *ops, struct sk_buff *skb,
        return 0;
 }
 
-static void nl80211_post_doit(struct genl_ops *ops, struct sk_buff *skb,
+static void nl80211_post_doit(const struct genl_ops *ops, struct sk_buff *skb,
                              struct genl_info *info)
 {
        if (info->user_ptr[1]) {
@@ -9059,7 +9078,7 @@ static void nl80211_post_doit(struct genl_ops *ops, struct sk_buff *skb,
                rtnl_unlock();
 }
 
-static struct genl_ops nl80211_ops[] = {
+static const struct genl_ops nl80211_ops[] = {
        {
                .cmd = NL80211_CMD_GET_WIPHY,
                .doit = nl80211_get_wiphy,
@@ -9696,21 +9715,6 @@ static struct genl_ops nl80211_ops[] = {
        },
 };
 
-static struct genl_multicast_group nl80211_mlme_mcgrp = {
-       .name = "mlme",
-};
-
-/* multicast groups */
-static struct genl_multicast_group nl80211_config_mcgrp = {
-       .name = "config",
-};
-static struct genl_multicast_group nl80211_scan_mcgrp = {
-       .name = "scan",
-};
-static struct genl_multicast_group nl80211_regulatory_mcgrp = {
-       .name = "regulatory",
-};
-
 /* notification functions */
 
 void nl80211_notify_dev_rename(struct cfg80211_registered_device *rdev)
@@ -9727,8 +9731,8 @@ void nl80211_notify_dev_rename(struct cfg80211_registered_device *rdev)
                return;
        }
 
-       genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
-                               nl80211_config_mcgrp.id, GFP_KERNEL);
+       genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
+                               NL80211_MCGRP_CONFIG, GFP_KERNEL);
 }
 
 static int nl80211_add_scan_req(struct sk_buff *msg,
@@ -9763,8 +9767,9 @@ static int nl80211_add_scan_req(struct sk_buff *msg,
            nla_put(msg, NL80211_ATTR_IE, req->ie_len, req->ie))
                goto nla_put_failure;
 
-       if (req->flags)
-               nla_put_u32(msg, NL80211_ATTR_SCAN_FLAGS, req->flags);
+       if (req->flags &&
+           nla_put_u32(msg, NL80211_ATTR_SCAN_FLAGS, req->flags))
+               goto nla_put_failure;
 
        return 0;
  nla_put_failure:
@@ -9837,8 +9842,8 @@ void nl80211_send_scan_start(struct cfg80211_registered_device *rdev,
                return;
        }
 
-       genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
-                               nl80211_scan_mcgrp.id, GFP_KERNEL);
+       genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
+                               NL80211_MCGRP_SCAN, GFP_KERNEL);
 }
 
 void nl80211_send_scan_done(struct cfg80211_registered_device *rdev,
@@ -9856,8 +9861,8 @@ void nl80211_send_scan_done(struct cfg80211_registered_device *rdev,
                return;
        }
 
-       genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
-                               nl80211_scan_mcgrp.id, GFP_KERNEL);
+       genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
+                               NL80211_MCGRP_SCAN, GFP_KERNEL);
 }
 
 void nl80211_send_scan_aborted(struct cfg80211_registered_device *rdev,
@@ -9875,8 +9880,8 @@ void nl80211_send_scan_aborted(struct cfg80211_registered_device *rdev,
                return;
        }
 
-       genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
-                               nl80211_scan_mcgrp.id, GFP_KERNEL);
+       genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
+                               NL80211_MCGRP_SCAN, GFP_KERNEL);
 }
 
 void nl80211_send_sched_scan_results(struct cfg80211_registered_device *rdev,
@@ -9894,8 +9899,8 @@ void nl80211_send_sched_scan_results(struct cfg80211_registered_device *rdev,
                return;
        }
 
-       genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
-                               nl80211_scan_mcgrp.id, GFP_KERNEL);
+       genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
+                               NL80211_MCGRP_SCAN, GFP_KERNEL);
 }
 
 void nl80211_send_sched_scan(struct cfg80211_registered_device *rdev,
@@ -9912,8 +9917,8 @@ void nl80211_send_sched_scan(struct cfg80211_registered_device *rdev,
                return;
        }
 
-       genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
-                               nl80211_scan_mcgrp.id, GFP_KERNEL);
+       genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
+                               NL80211_MCGRP_SCAN, GFP_KERNEL);
 }
 
 /*
@@ -9967,8 +9972,8 @@ void nl80211_send_reg_change_event(struct regulatory_request *request)
        genlmsg_end(msg, hdr);
 
        rcu_read_lock();
-       genlmsg_multicast_allns(msg, 0, nl80211_regulatory_mcgrp.id,
-                               GFP_ATOMIC);
+       genlmsg_multicast_allns(&nl80211_fam, msg, 0,
+                               NL80211_MCGRP_REGULATORY, GFP_ATOMIC);
        rcu_read_unlock();
 
        return;
@@ -10003,8 +10008,8 @@ static void nl80211_send_mlme_event(struct cfg80211_registered_device *rdev,
 
        genlmsg_end(msg, hdr);
 
-       genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
-                               nl80211_mlme_mcgrp.id, gfp);
+       genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
+                               NL80211_MCGRP_MLME, gfp);
        return;
 
  nla_put_failure:
@@ -10091,8 +10096,8 @@ static void nl80211_send_mlme_timeout(struct cfg80211_registered_device *rdev,
 
        genlmsg_end(msg, hdr);
 
-       genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
-                               nl80211_mlme_mcgrp.id, gfp);
+       genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
+                               NL80211_MCGRP_MLME, gfp);
        return;
 
  nla_put_failure:
@@ -10147,8 +10152,8 @@ void nl80211_send_connect_result(struct cfg80211_registered_device *rdev,
 
        genlmsg_end(msg, hdr);
 
-       genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
-                               nl80211_mlme_mcgrp.id, gfp);
+       genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
+                               NL80211_MCGRP_MLME, gfp);
        return;
 
  nla_put_failure:
@@ -10186,8 +10191,8 @@ void nl80211_send_roamed(struct cfg80211_registered_device *rdev,
 
        genlmsg_end(msg, hdr);
 
-       genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
-                               nl80211_mlme_mcgrp.id, gfp);
+       genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
+                               NL80211_MCGRP_MLME, gfp);
        return;
 
  nla_put_failure:
@@ -10224,8 +10229,8 @@ void nl80211_send_disconnected(struct cfg80211_registered_device *rdev,
 
        genlmsg_end(msg, hdr);
 
-       genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
-                               nl80211_mlme_mcgrp.id, GFP_KERNEL);
+       genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
+                               NL80211_MCGRP_MLME, GFP_KERNEL);
        return;
 
  nla_put_failure:
@@ -10258,8 +10263,8 @@ void nl80211_send_ibss_bssid(struct cfg80211_registered_device *rdev,
 
        genlmsg_end(msg, hdr);
 
-       genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
-                               nl80211_mlme_mcgrp.id, gfp);
+       genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
+                               NL80211_MCGRP_MLME, gfp);
        return;
 
  nla_put_failure:
@@ -10299,8 +10304,8 @@ void cfg80211_notify_new_peer_candidate(struct net_device *dev, const u8 *addr,
 
        genlmsg_end(msg, hdr);
 
-       genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
-                               nl80211_mlme_mcgrp.id, gfp);
+       genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
+                               NL80211_MCGRP_MLME, gfp);
        return;
 
  nla_put_failure:
@@ -10338,8 +10343,8 @@ void nl80211_michael_mic_failure(struct cfg80211_registered_device *rdev,
 
        genlmsg_end(msg, hdr);
 
-       genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
-                               nl80211_mlme_mcgrp.id, gfp);
+       genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
+                               NL80211_MCGRP_MLME, gfp);
        return;
 
  nla_put_failure:
@@ -10391,8 +10396,8 @@ void nl80211_send_beacon_hint_event(struct wiphy *wiphy,
        genlmsg_end(msg, hdr);
 
        rcu_read_lock();
-       genlmsg_multicast_allns(msg, 0, nl80211_regulatory_mcgrp.id,
-                               GFP_ATOMIC);
+       genlmsg_multicast_allns(&nl80211_fam, msg, 0,
+                               NL80211_MCGRP_REGULATORY, GFP_ATOMIC);
        rcu_read_unlock();
 
        return;
@@ -10437,8 +10442,8 @@ static void nl80211_send_remain_on_chan_event(
 
        genlmsg_end(msg, hdr);
 
-       genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
-                               nl80211_mlme_mcgrp.id, gfp);
+       genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
+                               NL80211_MCGRP_MLME, gfp);
        return;
 
  nla_put_failure:
@@ -10492,8 +10497,8 @@ void cfg80211_new_sta(struct net_device *dev, const u8 *mac_addr,
                return;
        }
 
-       genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
-                               nl80211_mlme_mcgrp.id, gfp);
+       genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
+                               NL80211_MCGRP_MLME, gfp);
 }
 EXPORT_SYMBOL(cfg80211_new_sta);
 
@@ -10522,8 +10527,8 @@ void cfg80211_del_sta(struct net_device *dev, const u8 *mac_addr, gfp_t gfp)
 
        genlmsg_end(msg, hdr);
 
-       genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
-                               nl80211_mlme_mcgrp.id, gfp);
+       genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
+                               NL80211_MCGRP_MLME, gfp);
        return;
 
  nla_put_failure:
@@ -10558,8 +10563,8 @@ void cfg80211_conn_failed(struct net_device *dev, const u8 *mac_addr,
 
        genlmsg_end(msg, hdr);
 
-       genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
-                               nl80211_mlme_mcgrp.id, gfp);
+       genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
+                               NL80211_MCGRP_MLME, gfp);
        return;
 
  nla_put_failure:
@@ -10720,8 +10725,8 @@ void cfg80211_mgmt_tx_status(struct wireless_dev *wdev, u64 cookie,
 
        genlmsg_end(msg, hdr);
 
-       genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
-                               nl80211_mlme_mcgrp.id, gfp);
+       genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
+                               NL80211_MCGRP_MLME, gfp);
        return;
 
  nla_put_failure:
@@ -10769,8 +10774,8 @@ void cfg80211_cqm_rssi_notify(struct net_device *dev,
 
        genlmsg_end(msg, hdr);
 
-       genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
-                               nl80211_mlme_mcgrp.id, gfp);
+       genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
+                               NL80211_MCGRP_MLME, gfp);
        return;
 
  nla_put_failure:
@@ -10814,8 +10819,8 @@ static void nl80211_gtk_rekey_notify(struct cfg80211_registered_device *rdev,
 
        genlmsg_end(msg, hdr);
 
-       genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
-                               nl80211_mlme_mcgrp.id, gfp);
+       genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
+                               NL80211_MCGRP_MLME, gfp);
        return;
 
  nla_put_failure:
@@ -10872,8 +10877,8 @@ nl80211_pmksa_candidate_notify(struct cfg80211_registered_device *rdev,
 
        genlmsg_end(msg, hdr);
 
-       genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
-                               nl80211_mlme_mcgrp.id, gfp);
+       genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
+                               NL80211_MCGRP_MLME, gfp);
        return;
 
  nla_put_failure:
@@ -10919,8 +10924,8 @@ static void nl80211_ch_switch_notify(struct cfg80211_registered_device *rdev,
 
        genlmsg_end(msg, hdr);
 
-       genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
-                               nl80211_mlme_mcgrp.id, gfp);
+       genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
+                               NL80211_MCGRP_MLME, gfp);
        return;
 
  nla_put_failure:
@@ -10993,8 +10998,8 @@ void cfg80211_cqm_txe_notify(struct net_device *dev,
 
        genlmsg_end(msg, hdr);
 
-       genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
-                               nl80211_mlme_mcgrp.id, gfp);
+       genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
+                               NL80211_MCGRP_MLME, gfp);
        return;
 
  nla_put_failure:
@@ -11042,8 +11047,8 @@ nl80211_radar_notify(struct cfg80211_registered_device *rdev,
 
        genlmsg_end(msg, hdr);
 
-       genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
-                               nl80211_mlme_mcgrp.id, gfp);
+       genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
+                               NL80211_MCGRP_MLME, gfp);
        return;
 
  nla_put_failure:
@@ -11089,8 +11094,8 @@ void cfg80211_cqm_pktloss_notify(struct net_device *dev,
 
        genlmsg_end(msg, hdr);
 
-       genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
-                               nl80211_mlme_mcgrp.id, gfp);
+       genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
+                               NL80211_MCGRP_MLME, gfp);
        return;
 
  nla_put_failure:
@@ -11129,8 +11134,8 @@ void cfg80211_probe_status(struct net_device *dev, const u8 *addr,
 
        genlmsg_end(msg, hdr);
 
-       genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
-                               nl80211_mlme_mcgrp.id, gfp);
+       genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
+                               NL80211_MCGRP_MLME, gfp);
        return;
 
  nla_put_failure:
@@ -11220,6 +11225,8 @@ void cfg80211_report_wowlan_wakeup(struct wireless_dev *wdev,
                struct nlattr *reasons;
 
                reasons = nla_nest_start(msg, NL80211_ATTR_WOWLAN_TRIGGERS);
+               if (!reasons)
+                       goto free_msg;
 
                if (wakeup->disconnect &&
                    nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT))
@@ -11245,16 +11252,18 @@ void cfg80211_report_wowlan_wakeup(struct wireless_dev *wdev,
                                wakeup->pattern_idx))
                        goto free_msg;
 
-               if (wakeup->tcp_match)
-                       nla_put_flag(msg, NL80211_WOWLAN_TRIG_WAKEUP_TCP_MATCH);
+               if (wakeup->tcp_match &&
+                   nla_put_flag(msg, NL80211_WOWLAN_TRIG_WAKEUP_TCP_MATCH))
+                       goto free_msg;
 
-               if (wakeup->tcp_connlost)
-                       nla_put_flag(msg,
-                                    NL80211_WOWLAN_TRIG_WAKEUP_TCP_CONNLOST);
+               if (wakeup->tcp_connlost &&
+                   nla_put_flag(msg, NL80211_WOWLAN_TRIG_WAKEUP_TCP_CONNLOST))
+                       goto free_msg;
 
-               if (wakeup->tcp_nomoretokens)
-                       nla_put_flag(msg,
-                               NL80211_WOWLAN_TRIG_WAKEUP_TCP_NOMORETOKENS);
+               if (wakeup->tcp_nomoretokens &&
+                   nla_put_flag(msg,
+                                NL80211_WOWLAN_TRIG_WAKEUP_TCP_NOMORETOKENS))
+                       goto free_msg;
 
                if (wakeup->packet) {
                        u32 pkt_attr = NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211;
@@ -11281,8 +11290,8 @@ void cfg80211_report_wowlan_wakeup(struct wireless_dev *wdev,
 
        genlmsg_end(msg, hdr);
 
-       genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
-                               nl80211_mlme_mcgrp.id, gfp);
+       genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
+                               NL80211_MCGRP_MLME, gfp);
        return;
 
  free_msg:
@@ -11323,8 +11332,8 @@ void cfg80211_tdls_oper_request(struct net_device *dev, const u8 *peer,
 
        genlmsg_end(msg, hdr);
 
-       genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
-                               nl80211_mlme_mcgrp.id, gfp);
+       genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
+                               NL80211_MCGRP_MLME, gfp);
        return;
 
  nla_put_failure:
@@ -11390,24 +11399,29 @@ void cfg80211_ft_event(struct net_device *netdev,
                return;
 
        hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FT_EVENT);
-       if (!hdr) {
-               nlmsg_free(msg);
-               return;
-       }
+       if (!hdr)
+               goto out;
 
-       nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx);
-       nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex);
-       nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, ft_event->target_ap);
-       if (ft_event->ies)
-               nla_put(msg, NL80211_ATTR_IE, ft_event->ies_len, ft_event->ies);
-       if (ft_event->ric_ies)
-               nla_put(msg, NL80211_ATTR_IE_RIC, ft_event->ric_ies_len,
-                       ft_event->ric_ies);
+       if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
+           nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
+           nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, ft_event->target_ap))
+               goto out;
+
+       if (ft_event->ies &&
+           nla_put(msg, NL80211_ATTR_IE, ft_event->ies_len, ft_event->ies))
+               goto out;
+       if (ft_event->ric_ies &&
+           nla_put(msg, NL80211_ATTR_IE_RIC, ft_event->ric_ies_len,
+                   ft_event->ric_ies))
+               goto out;
 
        genlmsg_end(msg, hdr);
 
-       genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
-                               nl80211_mlme_mcgrp.id, GFP_KERNEL);
+       genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
+                               NL80211_MCGRP_MLME, GFP_KERNEL);
+       return;
+ out:
+       nlmsg_free(msg);
 }
 EXPORT_SYMBOL(cfg80211_ft_event);
 
@@ -11456,33 +11470,11 @@ int nl80211_init(void)
 {
        int err;
 
-       err = genl_register_family_with_ops(&nl80211_fam,
-               nl80211_ops, ARRAY_SIZE(nl80211_ops));
+       err = genl_register_family_with_ops_groups(&nl80211_fam, nl80211_ops,
+                                                  nl80211_mcgrps);
        if (err)
                return err;
 
-       err = genl_register_mc_group(&nl80211_fam, &nl80211_config_mcgrp);
-       if (err)
-               goto err_out;
-
-       err = genl_register_mc_group(&nl80211_fam, &nl80211_scan_mcgrp);
-       if (err)
-               goto err_out;
-
-       err = genl_register_mc_group(&nl80211_fam, &nl80211_regulatory_mcgrp);
-       if (err)
-               goto err_out;
-
-       err = genl_register_mc_group(&nl80211_fam, &nl80211_mlme_mcgrp);
-       if (err)
-               goto err_out;
-
-#ifdef CONFIG_NL80211_TESTMODE
-       err = genl_register_mc_group(&nl80211_fam, &nl80211_testmode_mcgrp);
-       if (err)
-               goto err_out;
-#endif
-
        err = netlink_register_notifier(&nl80211_netlink_notifier);
        if (err)
                goto err_out;