wireless: add back sysfs directory

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

diff --git a/net/core/net-sysfs.c b/net/core/net-sysfs.c
index bcf02f608cbfa76ad06da490f2dbf423e728fc17..017a8bacfb2773483c97c8fa3b162e03f09f454a 100644 (file)
--- a/net/core/net-sysfs.c
+++ b/net/core/net-sysfs.c
@@ -429,6 +429,17 @@ static struct attribute_group netstat_group = {
        .name  = "statistics",
        .attrs  = netstat_attrs,
 };
+
+#if IS_ENABLED(CONFIG_WIRELESS_EXT) || IS_ENABLED(CONFIG_CFG80211)
+static struct attribute *wireless_attrs[] = {
+       NULL
+};
+
+static struct attribute_group wireless_group = {
+       .name = "wireless",
+       .attrs = wireless_attrs,
+};
+#endif
 #endif /* CONFIG_SYSFS */
 
 #ifdef CONFIG_RPS
@@ -1409,6 +1420,15 @@ int netdev_register_kobject(struct net_device *net)
                groups++;
 
        *groups++ = &netstat_group;
+
+#if IS_ENABLED(CONFIG_WIRELESS_EXT) || IS_ENABLED(CONFIG_CFG80211)
+       if (net->ieee80211_ptr)
+               *groups++ = &wireless_group;
+#if IS_ENABLED(CONFIG_WIRELESS_EXT)
+       else if (net->wireless_handlers)
+               *groups++ = &wireless_group;
+#endif
+#endif
 #endif /* CONFIG_SYSFS */
 
        error = device_add(dev);