diff options
Diffstat (limited to 'net/ipv4')
| -rw-r--r-- | net/ipv4/netfilter/ip_tables.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/net/ipv4/netfilter/ip_tables.c b/net/ipv4/netfilter/ip_tables.c index 444f125f3974..ddcc56c37d4d 100644 --- a/net/ipv4/netfilter/ip_tables.c +++ b/net/ipv4/netfilter/ip_tables.c @@ -1782,6 +1782,8 @@ int ipt_register_table(struct net *net, const struct xt_table *table, /* set res now, will see skbs right after nf_register_net_hooks */ WRITE_ONCE(*res, new_table); + if (!ops) + return 0; ret = nf_register_net_hooks(net, ops, hweight32(table->valid_hooks)); if (ret != 0) { @@ -1799,7 +1801,8 @@ out_free: void ipt_unregister_table(struct net *net, struct xt_table *table, const struct nf_hook_ops *ops) { - nf_unregister_net_hooks(net, ops, hweight32(table->valid_hooks)); + if (ops) + nf_unregister_net_hooks(net, ops, hweight32(table->valid_hooks)); __ipt_unregister_table(net, table); } |