cfg80211: disallow bridging managed/adhoc interfaces

[firefly-linux-kernel-4.4.55.git] / net / wireless / core.c

diff --git a/net/wireless/core.c b/net/wireless/core.c
index 07252967be9ced2ee5b7dd6a5c003463b8b758df..fc5e9b5086070131f64fb7adf4f1f9a024d55d2c 100644 (file)
--- a/net/wireless/core.c
+++ b/net/wireless/core.c
@@ -230,7 +230,7 @@ int cfg80211_switch_netns(struct cfg80211_registered_device *rdev,
        struct wireless_dev *wdev;
        int err = 0;
 
-       if (!rdev->wiphy.netnsok)
+       if (!(rdev->wiphy.flags & WIPHY_FLAG_NETNS_OK))
                return -EOPNOTSUPP;
 
        list_for_each_entry(wdev, &rdev->netdev_list, list) {
@@ -367,7 +367,9 @@ struct wiphy *wiphy_new(const struct cfg80211_ops *ops, int sizeof_priv)
        rdev->wiphy.dev.class = &ieee80211_class;
        rdev->wiphy.dev.platform_data = rdev;
 
-       rdev->wiphy.ps_default = CONFIG_CFG80211_DEFAULT_PS_VALUE;
+#ifdef CONFIG_CFG80211_DEFAULT_PS
+       rdev->wiphy.flags |= WIPHY_FLAG_PS_ON_BY_DEFAULT;
+#endif
 
        wiphy_net_set(&rdev->wiphy, &init_net);
 
@@ -482,7 +484,7 @@ int wiphy_register(struct wiphy *wiphy)
        if (IS_ERR(rdev->wiphy.debugfsdir))
                rdev->wiphy.debugfsdir = NULL;
 
-       if (wiphy->custom_regulatory) {
+       if (wiphy->flags & WIPHY_FLAG_CUSTOM_REGULATORY) {
                struct regulatory_request request;
 
                request.wiphy_idx = get_wiphy_idx(wiphy);
@@ -546,7 +548,7 @@ void wiphy_unregister(struct wiphy *wiphy)
         * First remove the hardware from everywhere, this makes
         * it impossible to find from userspace.
         */
-       cfg80211_debugfs_rdev_del(rdev);
+       debugfs_remove_recursive(rdev->wiphy.debugfsdir);
        list_del(&rdev->list);
 
        /*
@@ -569,7 +571,6 @@ void wiphy_unregister(struct wiphy *wiphy)
 
        cfg80211_rdev_list_generation++;
        device_del(&rdev->wiphy.dev);
-       debugfs_remove(rdev->wiphy.debugfsdir);
 
        mutex_unlock(&cfg80211_mutex);
 
@@ -681,7 +682,10 @@ static int cfg80211_netdev_notifier_call(struct notifier_block * nb,
                wdev->wext.default_key = -1;
                wdev->wext.default_mgmt_key = -1;
                wdev->wext.connect.auth_type = NL80211_AUTHTYPE_AUTOMATIC;
-               wdev->wext.ps = wdev->wiphy->ps_default;
+               if (wdev->wiphy->flags & WIPHY_FLAG_PS_ON_BY_DEFAULT)
+                       wdev->wext.ps = true;
+               else
+                       wdev->wext.ps = false;
                wdev->wext.ps_timeout = 100;
                if (rdev->ops->set_power_mgmt)
                        if (rdev->ops->set_power_mgmt(wdev->wiphy, dev,
@@ -693,6 +697,10 @@ static int cfg80211_netdev_notifier_call(struct notifier_block * nb,
 #endif
                if (!dev->ethtool_ops)
                        dev->ethtool_ops = &cfg80211_ethtool_ops;
+
+               if ((wdev->iftype == NL80211_IFTYPE_STATION ||
+                    wdev->iftype == NL80211_IFTYPE_ADHOC) && !wdev->use_4addr)
+                       dev->priv_flags |= IFF_DONT_BRIDGE;
                break;
        case NETDEV_GOING_DOWN:
                switch (wdev->iftype) {