netdevice hdlc: Convert directly reference of netdev->priv

[linux-2.6-omap-h63xx.git] / net / ipv6 / addrconf.c

diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index 0e41f1be6dc9ca0694a91f592e65b5bd46be65f2..e92ad8455c63a851ef9966705b627299459f0bb2 100644 (file)
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -2031,8 +2031,8 @@ int addrconf_set_dstaddr(struct net *net, void __user *arg)
 
 #if defined(CONFIG_IPV6_SIT) || defined(CONFIG_IPV6_SIT_MODULE)
        if (dev->type == ARPHRD_SIT) {
+               const struct net_device_ops *ops = dev->netdev_ops;
                struct ifreq ifr;
-               mm_segment_t    oldfs;
                struct ip_tunnel_parm p;
 
                err = -EADDRNOTAVAIL;
@@ -2048,9 +2048,14 @@ int addrconf_set_dstaddr(struct net *net, void __user *arg)
                p.iph.ttl = 64;
                ifr.ifr_ifru.ifru_data = (__force void __user *)&p;
 
-               oldfs = get_fs(); set_fs(KERNEL_DS);
-               err = dev->do_ioctl(dev, &ifr, SIOCADDTUNNEL);
-               set_fs(oldfs);
+               if (ops->ndo_do_ioctl) {
+                       mm_segment_t oldfs = get_fs();
+
+                       set_fs(KERNEL_DS);
+                       err = ops->ndo_do_ioctl(dev, &ifr, SIOCADDTUNNEL);
+                       set_fs(oldfs);
+               } else
+                       err = -EOPNOTSUPP;
 
                if (err == 0) {
                        err = -ENOBUFS;