From 4e5f47ab97ce68d9f766dfedc5762940a90e4c11 Mon Sep 17 00:00:00 2001
From: Eric Dumazet <edumazet@google.com>
Date: Mon, 23 Oct 2017 16:17:51 -0700
Subject: [PATCH] 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>
---
net/ipv6/addrconf.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index 9232e9537082e..5a8a10229a07f 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -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
--
2.30.2