Message ID | 20120514163949.37e614f4@rainbow.cbg.collabora.co.uk |
---|---|
State | Not Applicable, archived |
Delegated to: | David Miller |
Headers | show |
diff --git a/net/netfilter/core.c b/net/netfilter/core.c index e1b7e05..ac56c5b 100644 --- a/net/netfilter/core.c +++ b/net/netfilter/core.c @@ -67,6 +67,11 @@ int nf_register_hook(struct nf_hook_ops *reg) struct nf_hook_ops *elem; int err; + if (reg->pf >= NFPROTO_NUMPROTO || reg->hooknum >= NF_MAX_HOOKS) { + WARN(); + return -EINVAL; + } + err = mutex_lock_interruptible(&nf_hook_mutex); if (err < 0) return err;