static int inet6_addr_del(int ifindex, struct in6_addr *pfx, int plen)
{
struct inet6_ifaddr *ifp;
struct inet6_dev *idev;
struct net_device *dev;
if ((dev = __dev_get_by_index(ifindex)) == NULL)
return -ENODEV;
if ((idev = __in6_dev_get(dev)) == NULL)
return -ENXIO;
read_lock_bh(&idev->lock);
for (ifp = idev->addr_list; ifp; ifp=ifp->if_next) {
if (ifp->prefix_len == plen &&
(!memcmp(pfx, &ifp->addr, sizeof(struct in6_addr)))) {
in6_ifa_hold(ifp);
read_unlock_bh(&idev->lock);
ipv6_del_addr(ifp);
/* If the last address is deleted administratively,
disable IPv6 on this interface.
*/
if (idev->addr_list == NULL)
addrconf_ifdown(idev->dev, 1);
return 0;
}
}
read_unlock_bh(&idev->lock);
return -EADDRNOTAVAIL;
}
static
#endif
int inet6_addr_del(int ifindex, struct in6_addr *pfx, int plen)
{
struct inet6_ifaddr *ifp;
struct inet6_dev *idev;
struct device *dev;
if ((dev = dev_get_by_index(ifindex)) == NULL)
return -ENODEV;
if ((idev = ipv6_get_idev(dev)) == NULL)
return -ENXIO;
start_bh_atomic();
for (ifp = idev->addr_list; ifp; ifp=ifp->if_next) {
if (ifp->prefix_len == plen &&
(!memcmp(pfx, &ifp->addr, sizeof(struct in6_addr)))) {
ipv6_del_addr(ifp);
end_bh_atomic();
/* If the last address is deleted administratively,
disable IPv6 on this interface.
*/
if (idev->addr_list == NULL)
addrconf_ifdown(idev->dev, 1);
return 0;
}
}
end_bh_atomic();
return -EADDRNOTAVAIL;
}
