ipv6: addrconf: do not block BH in ipv6_get_ifaddr()

rcu_read_lock() is enough here, no need to block BH.

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 a6cf37b7e34c461e204153078be92c3e297b3ec2..6c1e7ffb62ff2333d63b3c7639d99649d43b32fc 100644 (file)
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -1922,8 +1922,8 @@ struct inet6_ifaddr *ipv6_get_ifaddr(struct net *net, const struct in6_addr *add
        unsigned int hash = inet6_addr_hash(net, addr);
        struct inet6_ifaddr *ifp, *result = NULL;
 
-       rcu_read_lock_bh();
-       hlist_for_each_entry_rcu_bh(ifp, &inet6_addr_lst[hash], addr_lst) {
+       rcu_read_lock();
+       hlist_for_each_entry_rcu(ifp, &inet6_addr_lst[hash], addr_lst) {
                if (!net_eq(dev_net(ifp->idev->dev), net))
                        continue;
                if (ipv6_addr_equal(&ifp->addr, addr)) {
@@ -1935,7 +1935,7 @@ struct inet6_ifaddr *ipv6_get_ifaddr(struct net *net, const struct in6_addr *add
                        }
                }
        }
-       rcu_read_unlock_bh();
+       rcu_read_unlock();
 
        return result;
 }