ipv6: ipv6_count_addresses() rcu conversion

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eric Dumazet 2017-10-07 19:30:24 -07:00 committed by David S. Miller
parent 8ef802aa8e
commit d9bf82c2f6

View file

@ -152,7 +152,7 @@ static void ipv6_regen_rndid(struct inet6_dev *idev);
static void ipv6_try_regen_rndid(struct inet6_dev *idev, struct in6_addr *tmpaddr);
static int ipv6_generate_eui64(u8 *eui, struct net_device *dev);
static int ipv6_count_addresses(struct inet6_dev *idev);
static int ipv6_count_addresses(const struct inet6_dev *idev);
static int ipv6_generate_stable_address(struct in6_addr *addr,
u8 dad_count,
const struct inet6_dev *idev);
@ -1785,15 +1785,15 @@ int ipv6_get_lladdr(struct net_device *dev, struct in6_addr *addr,
return err;
}
static int ipv6_count_addresses(struct inet6_dev *idev)
static int ipv6_count_addresses(const struct inet6_dev *idev)
{
const struct inet6_ifaddr *ifp;
int cnt = 0;
struct inet6_ifaddr *ifp;
read_lock_bh(&idev->lock);
list_for_each_entry(ifp, &idev->addr_list, if_list)
rcu_read_lock();
list_for_each_entry_rcu(ifp, &idev->addr_list, if_list)
cnt++;
read_unlock_bh(&idev->lock);
rcu_read_unlock();
return cnt;
}