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netfilter: core: pass family as parameter to nf_remove_net_hook()
authorPablo Neira Ayuso <pablo@netfilter.org>
Sat, 9 Dec 2017 14:26:37 +0000 (15:26 +0100)
committerPablo Neira Ayuso <pablo@netfilter.org>
Mon, 8 Jan 2018 17:01:19 +0000 (18:01 +0100)
So static_key_slow_dec applies to the family behind NFPROTO_INET.

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
net/netfilter/core.c

index bcbaa78..6c9874c 100644 (file)
@@ -371,7 +371,7 @@ EXPORT_SYMBOL(nf_register_net_hook);
  * Therefore replace the to-be-removed hook with a dummy hook.
  */
 static void nf_remove_net_hook(struct nf_hook_entries *old,
-                              const struct nf_hook_ops *unreg)
+                              const struct nf_hook_ops *unreg, int pf)
 {
        struct nf_hook_ops **orig_ops;
        bool found = false;
@@ -389,14 +389,14 @@ static void nf_remove_net_hook(struct nf_hook_entries *old,
 
        if (found) {
 #ifdef CONFIG_NETFILTER_INGRESS
-               if (unreg->pf == NFPROTO_NETDEV && unreg->hooknum == NF_NETDEV_INGRESS)
+               if (pf == NFPROTO_NETDEV && unreg->hooknum == NF_NETDEV_INGRESS)
                        net_dec_ingress_queue();
 #endif
 #ifdef HAVE_JUMP_LABEL
-               static_key_slow_dec(&nf_hooks_needed[unreg->pf][unreg->hooknum]);
+               static_key_slow_dec(&nf_hooks_needed[pf][unreg->hooknum]);
 #endif
        } else {
-               WARN_ONCE(1, "hook not found, pf %d num %d", unreg->pf, unreg->hooknum);
+               WARN_ONCE(1, "hook not found, pf %d num %d", pf, unreg->hooknum);
        }
 }
 
@@ -417,7 +417,7 @@ void nf_unregister_net_hook(struct net *net, const struct nf_hook_ops *reg)
                return;
        }
 
-       nf_remove_net_hook(p, reg);
+       nf_remove_net_hook(p, reg, reg->pf);
 
        p = __nf_hook_entries_try_shrink(pp);
        mutex_unlock(&nf_hook_mutex);