diff options
Diffstat (limited to 'net/netlink/genetlink.c')
| -rw-r--r-- | net/netlink/genetlink.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/net/netlink/genetlink.c b/net/netlink/genetlink.c index 66f6ba0bab1..566941e0336 100644 --- a/net/netlink/genetlink.c +++ b/net/netlink/genetlink.c @@ -176,9 +176,10 @@ int genl_register_mc_group(struct genl_family *family, if (family->netnsok) { struct net *net; + netlink_table_grab(); rcu_read_lock(); for_each_net_rcu(net) { - err = netlink_change_ngroups(net->genl_sock, + err = __netlink_change_ngroups(net->genl_sock, mc_groups_longs * BITS_PER_LONG); if (err) { /* @@ -188,10 +189,12 @@ int genl_register_mc_group(struct genl_family *family, * increased on some sockets which is ok. */ rcu_read_unlock(); + netlink_table_ungrab(); goto out; } } rcu_read_unlock(); + netlink_table_ungrab(); } else { err = netlink_change_ngroups(init_net.genl_sock, mc_groups_longs * BITS_PER_LONG); |