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Diffstat (limited to 'net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c')
-rw-r--r--net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c36
1 files changed, 18 insertions, 18 deletions
diff --git a/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c b/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c
index 3fadacc..5bc9f64 100644
--- a/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c
+++ b/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c
@@ -432,16 +432,20 @@ struct nf_conntrack_l3proto nf_conntrack_l3proto_ipv4 = {
extern struct nf_conntrack_protocol nf_conntrack_protocol_tcp4;
extern struct nf_conntrack_protocol nf_conntrack_protocol_udp4;
extern struct nf_conntrack_protocol nf_conntrack_protocol_icmp;
-static int init_or_cleanup(int init)
+
+MODULE_ALIAS("nf_conntrack-" __stringify(AF_INET));
+MODULE_LICENSE("GPL");
+
+static int __init nf_conntrack_l3proto_ipv4_init(void)
{
int ret = 0;
- if (!init) goto cleanup;
+ need_conntrack();
ret = nf_register_sockopt(&so_getorigdst);
if (ret < 0) {
printk(KERN_ERR "Unable to register netfilter socket option\n");
- goto cleanup_nothing;
+ return ret;
}
ret = nf_conntrack_protocol_register(&nf_conntrack_protocol_tcp4);
@@ -484,13 +488,10 @@ static int init_or_cleanup(int init)
#endif
return ret;
- cleanup:
- synchronize_net();
#ifdef CONFIG_SYSCTL
- unregister_sysctl_table(nf_ct_ipv4_sysctl_header);
cleanup_hooks:
-#endif
nf_unregister_hooks(ipv4_conntrack_ops, ARRAY_SIZE(ipv4_conntrack_ops));
+#endif
cleanup_ipv4:
nf_conntrack_l3proto_unregister(&nf_conntrack_l3proto_ipv4);
cleanup_icmp:
@@ -501,22 +502,21 @@ static int init_or_cleanup(int init)
nf_conntrack_protocol_unregister(&nf_conntrack_protocol_tcp4);
cleanup_sockopt:
nf_unregister_sockopt(&so_getorigdst);
- cleanup_nothing:
return ret;
}
-MODULE_ALIAS("nf_conntrack-" __stringify(AF_INET));
-MODULE_LICENSE("GPL");
-
-static int __init nf_conntrack_l3proto_ipv4_init(void)
-{
- need_conntrack();
- return init_or_cleanup(1);
-}
-
static void __exit nf_conntrack_l3proto_ipv4_fini(void)
{
- init_or_cleanup(0);
+ synchronize_net();
+#ifdef CONFIG_SYSCTL
+ unregister_sysctl_table(nf_ct_ipv4_sysctl_header);
+#endif
+ nf_unregister_hooks(ipv4_conntrack_ops, ARRAY_SIZE(ipv4_conntrack_ops));
+ nf_conntrack_l3proto_unregister(&nf_conntrack_l3proto_ipv4);
+ nf_conntrack_protocol_unregister(&nf_conntrack_protocol_icmp);
+ nf_conntrack_protocol_unregister(&nf_conntrack_protocol_udp4);
+ nf_conntrack_protocol_unregister(&nf_conntrack_protocol_tcp4);
+ nf_unregister_sockopt(&so_getorigdst);
}
module_init(nf_conntrack_l3proto_ipv4_init);
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