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ipv6: addrconf: do not block BH in ipv6_chk_home_addr() 

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>
hifive-unleashed-5.1
Eric Dumazet 2017-10-23 16:17:51 -07:00 committed by David S. Miller
parent a5c1d98f8c
commit 4e5f47ab97
1 changed files with 3 additions and 3 deletions
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6
net/ipv6/addrconf.c
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@ -4248,8 +4248,8 @@ int ipv6_chk_home_addr(struct net *net, const struct in6_addr *addr)
struct inet6_ifaddr *ifp = NULL;
int ret = 0;
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) &&
@ -4258,7 +4258,7 @@ int ipv6_chk_home_addr(struct net *net, const struct in6_addr *addr)
break;
}
}
rcu_read_unlock_bh();
rcu_read_unlock();
return ret;
}
#endif