diff options
| -rw-r--r-- | drivers/s390/net/qeth_l3_main.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/drivers/s390/net/qeth_l3_main.c b/drivers/s390/net/qeth_l3_main.c index 3b901f3676c1..a8f18bf0c227 100644 --- a/drivers/s390/net/qeth_l3_main.c +++ b/drivers/s390/net/qeth_l3_main.c @@ -1206,6 +1206,7 @@ static void qeth_l3_add_mc6_to_hash(struct qeth_card *card, if (!tmp) return; + read_lock_bh(&in6_dev->lock); for (im6 = in6_dev->mc_list; im6 != NULL; im6 = im6->next) { tmp->u.a6.addr = im6->mca_addr; tmp->is_multicast = 1; @@ -1228,6 +1229,8 @@ static void qeth_l3_add_mc6_to_hash(struct qeth_card *card, &ipm->hnode, qeth_l3_ipaddr_hash(ipm)); } + read_unlock_bh(&in6_dev->lock); + kfree(tmp); } @@ -1253,9 +1256,7 @@ static void qeth_l3_add_vlan_mc6(struct qeth_card *card) in_dev = in6_dev_get(netdev); if (!in_dev) continue; - read_lock_bh(&in_dev->lock); qeth_l3_add_mc6_to_hash(card, in_dev); - read_unlock_bh(&in_dev->lock); in6_dev_put(in_dev); } } @@ -1273,10 +1274,8 @@ static void qeth_l3_add_multicast_ipv6(struct qeth_card *card) return; rcu_read_lock(); - read_lock_bh(&in6_dev->lock); qeth_l3_add_mc6_to_hash(card, in6_dev); qeth_l3_add_vlan_mc6(card); - read_unlock_bh(&in6_dev->lock); rcu_read_unlock(); in6_dev_put(in6_dev); } |