[IPV6]: Ignore ipv6 events on non-IPV6 capable devices.

Signed-off-by: Oliver Hartkopp <socketcan@hartkopp.net>
Signed-off-by: Urs Thuermann <urs@isnogud.escape.de>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index c7ea248..329de67 100644 (file)
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -2154,15 +2154,6 @@ static void addrconf_dev_config(struct net_device *dev)
 
        ASSERT_RTNL();
 
-       if ((dev->type != ARPHRD_ETHER) &&
-           (dev->type != ARPHRD_FDDI) &&
-           (dev->type != ARPHRD_IEEE802_TR) &&
-           (dev->type != ARPHRD_ARCNET) &&
-           (dev->type != ARPHRD_INFINIBAND)) {
-               /* Alas, we support only Ethernet autoconfiguration. */
-               return;
-       }
-
        idev = addrconf_add_dev(dev);
        if (idev == NULL)
                return;
@@ -2250,13 +2241,33 @@ static void addrconf_ip6_tnl_config(struct net_device *dev)
        ip6_tnl_add_linklocal(idev);
 }
 
+static int ipv6_hwtype(struct net_device *dev)
+{
+       if ((dev->type == ARPHRD_ETHER) ||
+           (dev->type == ARPHRD_LOOPBACK) ||
+           (dev->type == ARPHRD_SIT) ||
+           (dev->type == ARPHRD_TUNNEL6) ||
+           (dev->type == ARPHRD_FDDI) ||
+           (dev->type == ARPHRD_IEEE802_TR) ||
+           (dev->type == ARPHRD_ARCNET) ||
+           (dev->type == ARPHRD_INFINIBAND))
+               return 1;
+
+       return 0;
+}
+
 static int addrconf_notify(struct notifier_block *this, unsigned long event,
                           void * data)
 {
        struct net_device *dev = (struct net_device *) data;
-       struct inet6_dev *idev = __in6_dev_get(dev);
+       struct inet6_dev *idev;
        int run_pending = 0;
 
+       if (!ipv6_hwtype(dev))
+               return NOTIFY_OK;
+
+       idev = __in6_dev_get(dev);
+
        switch(event) {
        case NETDEV_REGISTER:
                if (!idev) {