ipv6: ipv6_chk_custom_prefix() rcu conversion
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index 2e029c8..33ee84c 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -1859,20 +1859,18 @@ static bool ipv6_chk_same_addr(struct net *net, const struct in6_addr *addr,
bool ipv6_chk_custom_prefix(const struct in6_addr *addr,
const unsigned int prefix_len, struct net_device *dev)
{
- struct inet6_dev *idev;
- struct inet6_ifaddr *ifa;
+ const struct inet6_ifaddr *ifa;
+ const struct inet6_dev *idev;
bool ret = false;
rcu_read_lock();
idev = __in6_dev_get(dev);
if (idev) {
- read_lock_bh(&idev->lock);
- list_for_each_entry(ifa, &idev->addr_list, if_list) {
+ list_for_each_entry_rcu(ifa, &idev->addr_list, if_list) {
ret = ipv6_prefix_equal(addr, &ifa->addr, prefix_len);
if (ret)
break;
}
- read_unlock_bh(&idev->lock);
}
rcu_read_unlock();