diff options
| author |   Patrick McHardy <kaber@trash.net> | 2007-02-12 11:14:28 -0800 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2007-02-12 11:14:28 -0800 |
| commit | fe3eb20c1ace69e42e6ebf2afd2a904b2ae85cde (patch) | |
| tree | 6c49ee94bc60c668aa3f02aa029e167f6669e031 /net/netfilter | |
| parent | [NETFILTER]: nf_conntrack: properly use RCU for nf_conntrack_destroyed callback (diff) | |
| download | linux-dev-fe3eb20c1ace69e42e6ebf2afd2a904b2ae85cde.tar.xz linux-dev-fe3eb20c1ace69e42e6ebf2afd2a904b2ae85cde.zip | |
[NETFILTER]: nf_conntrack: change nf_conntrack_l[34]proto_unregister to void
No caller checks the return value, and since its usually called within the
module unload path there's nothing a module could do about errors anyway,
so BUG on invalid conditions and return void.
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to '')
| -rw-r--r-- | net/netfilter/nf_conntrack_proto.c | 40 |
1 files changed, 7 insertions, 33 deletions
diff --git a/net/netfilter/nf_conntrack_proto.c b/net/netfilter/nf_conntrack_proto.c index 4dab3fa6e2bc..456155f05c75 100644 --- a/net/netfilter/nf_conntrack_proto.c +++ b/net/netfilter/nf_conntrack_proto.c @@ -215,22 +215,12 @@ out: } EXPORT_SYMBOL_GPL(nf_conntrack_l3proto_register); -int nf_conntrack_l3proto_unregister(struct nf_conntrack_l3proto *proto) +void nf_conntrack_l3proto_unregister(struct nf_conntrack_l3proto *proto) { - int ret = 0; - - if (proto->l3proto >= AF_MAX) { - ret = -EBUSY; - goto out; - } + BUG_ON(proto->l3proto >= AF_MAX); write_lock_bh(&nf_conntrack_lock); - if (nf_ct_l3protos[proto->l3proto] != proto) { - write_unlock_bh(&nf_conntrack_lock); - ret = -EBUSY; - goto out; - } - + BUG_ON(nf_ct_l3protos[proto->l3proto] != proto); rcu_assign_pointer(nf_ct_l3protos[proto->l3proto], &nf_conntrack_l3proto_generic); write_unlock_bh(&nf_conntrack_lock); @@ -240,9 +230,6 @@ int nf_conntrack_l3proto_unregister(struct nf_conntrack_l3proto *proto) /* Remove all contrack entries for this protocol */ nf_ct_iterate_cleanup(kill_l3proto, proto); - -out: - return ret; } EXPORT_SYMBOL_GPL(nf_conntrack_l3proto_unregister); @@ -368,27 +355,17 @@ out: } EXPORT_SYMBOL_GPL(nf_conntrack_l4proto_register); -int nf_conntrack_l4proto_unregister(struct nf_conntrack_l4proto *l4proto) +void nf_conntrack_l4proto_unregister(struct nf_conntrack_l4proto *l4proto) { - int ret = 0; - - if (l4proto->l3proto >= PF_MAX) { - ret = -EBUSY; - goto out; - } + BUG_ON(l4proto->l3proto >= PF_MAX); if (l4proto == &nf_conntrack_l4proto_generic) { nf_ct_l4proto_unregister_sysctl(l4proto); - goto out; + return; } write_lock_bh(&nf_conntrack_lock); - if (nf_ct_protos[l4proto->l3proto][l4proto->l4proto] - != l4proto) { - write_unlock_bh(&nf_conntrack_lock); - ret = -EBUSY; - goto out; - } + BUG_ON(nf_ct_protos[l4proto->l3proto][l4proto->l4proto] != l4proto); rcu_assign_pointer(nf_ct_protos[l4proto->l3proto][l4proto->l4proto], &nf_conntrack_l4proto_generic); write_unlock_bh(&nf_conntrack_lock); @@ -398,8 +375,5 @@ int nf_conntrack_l4proto_unregister(struct nf_conntrack_l4proto *l4proto) /* Remove all contrack entries for this protocol */ nf_ct_iterate_cleanup(kill_l4proto, l4proto); - -out: - return ret; } EXPORT_SYMBOL_GPL(nf_conntrack_l4proto_unregister); |