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netfilter: core: add nf_remove_net_hook

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Just a cleanup, __nf_unregister_net_hook() is used by a follow up patch
when handling NFPROTO_INET as a real family from the core.

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
This commit is contained in:
Pablo Neira Ayuso 2017-12-09 15:19:14 +01:00
parent 408070d6ee
commit 3d3cdc38e8
1 changed files with 4 additions and 4 deletions
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8
net/netfilter/core.c
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@ -360,7 +360,7 @@ int nf_register_net_hook(struct net *net, const struct nf_hook_ops *reg)
EXPORT_SYMBOL(nf_register_net_hook);
/*
* __nf_unregister_net_hook - remove a hook from blob
* nf_remove_net_hook - remove a hook from blob
*
* @oldp: current address of hook blob
* @unreg: hook to unregister
@ -368,8 +368,8 @@ EXPORT_SYMBOL(nf_register_net_hook);
* This cannot fail, hook unregistration must always succeed.
* Therefore replace the to-be-removed hook with a dummy hook.
*/
static void __nf_unregister_net_hook(struct nf_hook_entries *old,
const struct nf_hook_ops *unreg)
static void nf_remove_net_hook(struct nf_hook_entries *old,
const struct nf_hook_ops *unreg)
{
struct nf_hook_ops **orig_ops;
bool found = false;
@ -415,7 +415,7 @@ void nf_unregister_net_hook(struct net *net, const struct nf_hook_ops *reg)
return;
}
__nf_unregister_net_hook(p, reg);
nf_remove_net_hook(p, reg);
p = __nf_hook_entries_try_shrink(pp);
mutex_unlock(&nf_hook_mutex);