diff options
| author |   Florian Westphal <fw@strlen.de> | 2017-12-07 16:28:25 +0100 |
|---|---|---|
| committer |   Pablo Neira Ayuso <pablo@netfilter.org> | 2018-01-08 18:01:10 +0100 |
| commit | bb4badf3a3dc81190f7c1c1fa063cdefb18df45f (patch) | |
| tree | db9c5d83c02ee83d0137a9b52d369d9948798660 /net | |
| parent | netfilter: reduce hook array sizes to what is needed (diff) | |
| download | linux-dev-bb4badf3a3dc81190f7c1c1fa063cdefb18df45f.tar.xz linux-dev-bb4badf3a3dc81190f7c1c1fa063cdefb18df45f.zip | |
netfilter: don't allocate space for decnet hooks unless needed
no need to define hook points if the family isn't supported.
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to 'net')
| -rw-r--r-- | net/netfilter/core.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/net/netfilter/core.c b/net/netfilter/core.c index 43643427b560..4738d0d0ebac 100644 --- a/net/netfilter/core.c +++ b/net/netfilter/core.c @@ -283,10 +283,12 @@ static struct nf_hook_entries __rcu **nf_hook_entry_head(struct net *net, const if (WARN_ON_ONCE(ARRAY_SIZE(net->nf.hooks_ipv6) <= reg->hooknum)) return NULL; return net->nf.hooks_ipv6 + reg->hooknum; +#if IS_ENABLED(CONFIG_DECNET) case NFPROTO_DECNET: if (WARN_ON_ONCE(ARRAY_SIZE(net->nf.hooks_decnet) <= reg->hooknum)) return NULL; return net->nf.hooks_decnet + reg->hooknum; +#endif default: WARN_ON_ONCE(1); return NULL; @@ -573,7 +575,9 @@ static int __net_init netfilter_net_init(struct net *net) __netfilter_net_init(net->nf.hooks_ipv6, ARRAY_SIZE(net->nf.hooks_ipv6)); __netfilter_net_init(net->nf.hooks_arp, ARRAY_SIZE(net->nf.hooks_arp)); __netfilter_net_init(net->nf.hooks_bridge, ARRAY_SIZE(net->nf.hooks_bridge)); +#if IS_ENABLED(CONFIG_DECNET) __netfilter_net_init(net->nf.hooks_decnet, ARRAY_SIZE(net->nf.hooks_decnet)); +#endif #ifdef CONFIG_PROC_FS net->nf.proc_netfilter = proc_net_mkdir(net, "netfilter", |