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Diffstat (limited to 'net/netlink/genetlink.c')
-rw-r--r--net/netlink/genetlink.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/net/netlink/genetlink.c b/net/netlink/genetlink.c
index 66f6ba0bab11..566941e03363 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);