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-rw-r--r--net/batman-adv/multicast.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/net/batman-adv/multicast.c b/net/batman-adv/multicast.c
index 28166402d30c..1d63c8cbbfe7 100644
--- a/net/batman-adv/multicast.c
+++ b/net/batman-adv/multicast.c
@@ -454,8 +454,9 @@ batadv_mcast_mla_softif_get_ipv6(struct net_device *dev,
return 0;
}
- read_lock_bh(&in6_dev->lock);
- for (pmc6 = in6_dev->mc_list; pmc6; pmc6 = pmc6->next) {
+ for (pmc6 = rcu_dereference(in6_dev->mc_list);
+ pmc6;
+ pmc6 = rcu_dereference(pmc6->next)) {
if (IPV6_ADDR_MC_SCOPE(&pmc6->mca_addr) <
IPV6_ADDR_SCOPE_LINKLOCAL)
continue;
@@ -484,7 +485,6 @@ batadv_mcast_mla_softif_get_ipv6(struct net_device *dev,
hlist_add_head(&new->list, mcast_list);
ret++;
}
- read_unlock_bh(&in6_dev->lock);
rcu_read_unlock();
return ret;